fix(back-end): shift model

.gitea/workflows/cicd.yaml

@@ -1,11 +1,11 @@
-name: Build and Deploy
+name: Build, Test and Deploy
 
 on:
   push:
     branches: [main, int, dev]
 
 concurrency:
-  group: print-calculator-deploy-${{ gitea.ref }}
+  group: print-calculator-${{ gitea.ref }}
   cancel-in-progress: true
 
 jobs:
@@ -18,9 +18,8 @@ jobs:
       - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
-          java-version: "21"
+          java-version: '21'
-          distribution: "temurin"
+          distribution: 'temurin'
-          cache: gradle
 
       - name: Run Tests with Gradle
         run: |
@@ -28,42 +27,8 @@ jobs:
           chmod +x gradlew
           ./gradlew test
 
-  test-frontend:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Setup Node 22
-        uses: actions/setup-node@v4
-        with:
-          node-version: "22"
-          cache: "npm"
-          cache-dependency-path: "frontend/package-lock.json"
-
-      - name: Install Chromium
-        shell: bash
-        run: |
-          apt-get update
-          apt-get install -y --no-install-recommends chromium
-
-      - name: Install frontend dependencies
-        shell: bash
-        run: |
-          cd frontend
-          npm ci --no-audit --no-fund
-
-      - name: Run frontend tests (headless)
-        shell: bash
-        env:
-          CHROME_BIN: /usr/bin/chromium
-          CI: "true"
-        run: |
-          cd frontend
-          npm run test -- --watch=false --browsers=ChromeHeadlessNoSandbox
-
   build-and-push:
-    needs: [test-backend, test-frontend]
+    needs: test-backend
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -141,33 +106,32 @@ jobs:
           mkdir -p ~/.ssh
           chmod 700 ~/.ssh
 
+          # 1) Prende il secret base64 e rimuove spazi/newline/CR
           printf '%s' "${{ secrets.SSH_PRIVATE_KEY_B64 }}" | tr -d '\r\n\t ' > /tmp/key.b64
+
+          # 2) (debug sicuro) stampa solo la lunghezza della base64
           echo "b64_len=$(wc -c < /tmp/key.b64)"
 
+          # 3) Decodifica in chiave privata
           base64 -d /tmp/key.b64 > ~/.ssh/id_ed25519
 
+          # 4) Rimuove eventuali CRLF dentro la chiave (se proviene da Windows)
           tr -d '\r' < ~/.ssh/id_ed25519 > ~/.ssh/id_ed25519.clean
           mv ~/.ssh/id_ed25519.clean ~/.ssh/id_ed25519
           chmod 600 ~/.ssh/id_ed25519
 
+          # 5) Validazione: se fallisce qui, la chiave NON è valida/corrotta
           ssh-keygen -y -f ~/.ssh/id_ed25519 >/dev/null
 
           ssh-keyscan -H "${{ secrets.SERVER_HOST }}" >> ~/.ssh/known_hosts 2>/dev/null
 
-      - name: Write env and compose to server
+      - name: Write env to server
         shell: bash
         run: |
-          if [[ "${{ gitea.ref }}" == "refs/heads/main" ]]; then
+          # 1. Start with the static env file content
-            DEPLOY_TAG="prod"
-          elif [[ "${{ gitea.ref }}" == "refs/heads/int" ]]; then
-            DEPLOY_TAG="int"
-          else
-            DEPLOY_TAG="dev"
-          fi
-          DEPLOY_OWNER=$(echo '${{ gitea.repository_owner }}' | tr '[:upper:]' '[:lower:]')
-
           cat "deploy/envs/${{ env.ENV }}.env" > /tmp/full_env.env
 
+          # 2. Determine DB credentials
           if [[ "${{ env.ENV }}" == "prod" ]]; then
             DB_URL="${{ secrets.DB_URL_PROD }}"
             DB_USER="${{ secrets.DB_USERNAME_PROD }}"
@@ -182,28 +146,25 @@ jobs:
             DB_PASS="${{ secrets.DB_PASSWORD_DEV }}"
           fi
 
-          printf '\nDB_URL="%s"\nDB_USERNAME="%s"\nDB_PASSWORD="%s"\n' \
+          # 3. Append DB credentials
+          printf '\nDB_URL=%s\nDB_USERNAME=%s\nDB_PASSWORD=%s\n' \
             "$DB_URL" "$DB_USER" "$DB_PASS" >> /tmp/full_env.env
 
-          printf 'REGISTRY_URL="%s"\nREPO_OWNER="%s"\nTAG="%s"\n' \
+          # 4. Debug: print content (for debug purposes)
-            "${{ secrets.REGISTRY_URL }}" "$DEPLOY_OWNER" "$DEPLOY_TAG" >> /tmp/full_env.env
-
-          ADMIN_TTL="${{ secrets.ADMIN_SESSION_TTL_MINUTES }}"
-          ADMIN_TTL="${ADMIN_TTL:-480}"
-          printf 'ADMIN_PASSWORD="%s"\nADMIN_SESSION_SECRET="%s"\nADMIN_SESSION_TTL_MINUTES="%s"\n' \
-            "${{ secrets.ADMIN_PASSWORD }}" "${{ secrets.ADMIN_SESSION_SECRET }}" "$ADMIN_TTL" >> /tmp/full_env.env
-
           echo "Preparing to send env file with variables:"
-          grep -Ev "PASSWORD|SECRET" /tmp/full_env.env || true
+          grep -v "PASSWORD" /tmp/full_env.env || true
 
+          # 5. Send to server
           ssh -i ~/.ssh/id_ed25519 -o BatchMode=yes "${{ secrets.SERVER_USER }}@${{ secrets.SERVER_HOST }}" \
             "setenv ${{ env.ENV }}" < /tmp/full_env.env
             
-          ssh -i ~/.ssh/id_ed25519 -o BatchMode=yes "${{ secrets.SERVER_USER }}@${{ secrets.SERVER_HOST }}" \
+
-            "setcompose ${{ env.ENV }}" < docker-compose.deploy.yml
 
       - name: Trigger deploy on Unraid (forced command key)
         shell: bash
         run: |
           set -euo pipefail
+
+          # Aggiungiamo le opzioni di verbosità se dovesse fallire ancora, 
+          # e assicuriamoci che l'input sia pulito
           ssh -i ~/.ssh/id_ed25519 -o BatchMode=yes "${{ secrets.SERVER_USER }}@${{ secrets.SERVER_HOST }}" "deploy ${{ env.ENV }}"

.gitea/workflows/pr-checks.yaml

@@ -1,172 +0,0 @@
-name: PR Checks
-
-on:
-  pull_request:
-    branches: [main, int, dev]
-
-concurrency:
-  group: print-calculator-pr-${{ gitea.ref }}
-  cancel-in-progress: true
-
-jobs:
-  prettier-autofix:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - name: Setup Node 22
-        uses: actions/setup-node@v4
-        with:
-          node-version: "22"
-
-      - name: Apply formatting with Prettier
-        shell: bash
-        run: |
-          npx --yes prettier@3.6.2 --write \
-            "frontend/src/**/*.{ts,html,scss,css,json}" \
-            ".gitea/workflows/*.{yml,yaml}"
-
-      - name: Commit and push formatting changes
-        shell: bash
-        run: |
-          if git diff --quiet; then
-            echo "No formatting changes to commit."
-            exit 0
-          fi
-
-          if ! command -v jq >/dev/null 2>&1; then
-            apt-get update
-            apt-get install -y --no-install-recommends jq
-          fi
-
-          EVENT_FILE="${GITHUB_EVENT_PATH:-}"
-          if [[ -z "$EVENT_FILE" || ! -f "$EVENT_FILE" ]]; then
-            echo "Event payload not found, skipping auto-push."
-            exit 0
-          fi
-
-          HEAD_REPO="$(jq -r '.pull_request.head.repo.full_name // empty' "$EVENT_FILE")"
-          BASE_REPO="$(jq -r '.repository.full_name // empty' "$EVENT_FILE")"
-          PR_BRANCH="$(jq -r '.pull_request.head.ref // empty' "$EVENT_FILE")"
-
-          if [[ -z "$PR_BRANCH" ]]; then
-            echo "PR branch not found in event payload, skipping auto-push."
-            exit 0
-          fi
-
-          if [[ -n "$HEAD_REPO" && -n "$BASE_REPO" && "$HEAD_REPO" != "$BASE_REPO" ]]; then
-            echo "PR from fork ($HEAD_REPO), skipping auto-push."
-            exit 0
-          fi
-
-          git config user.name "printcalc-ci"
-          git config user.email "ci@printcalculator.local"
-
-          git add frontend/src .gitea/workflows
-          git commit -m "style: apply prettier formatting"
-          git push origin "HEAD:${PR_BRANCH}"
-
-  security-sast:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - name: Install Python and Semgrep
-        shell: bash
-        run: |
-          apt-get update
-          apt-get install -y --no-install-recommends python3 python3-pip
-          python3 -m pip install --upgrade pip
-          python3 -m pip install semgrep
-
-      - name: Run Semgrep (SAST)
-        shell: bash
-        run: |
-          semgrep --version
-          semgrep --config auto --error \
-            --exclude frontend/node_modules \
-            --exclude backend/build \
-            backend/src frontend/src
-
-      - name: Install Gitleaks
-        shell: bash
-        run: |
-          set -euo pipefail
-          VERSION="8.24.2"
-          curl -sSL "https://github.com/gitleaks/gitleaks/releases/download/v${VERSION}/gitleaks_${VERSION}_linux_x64.tar.gz" \
-            -o /tmp/gitleaks.tar.gz
-          tar -xzf /tmp/gitleaks.tar.gz -C /tmp
-          install -m 0755 /tmp/gitleaks /usr/local/bin/gitleaks
-          gitleaks version
-
-      - name: Run Gitleaks (secrets scan)
-        shell: bash
-        run: |
-          set +e
-          gitleaks detect --source . --no-git --redact --exit-code 1 \
-            --report-format json --report-path /tmp/gitleaks-report.json
-          rc=$?
-          if [[ $rc -ne 0 ]]; then
-            echo "Gitleaks findings:"
-            cat /tmp/gitleaks-report.json
-          fi
-          exit $rc
-
-  test-backend:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Set up JDK 21
-        uses: actions/setup-java@v4
-        with:
-          java-version: "21"
-          distribution: "temurin"
-          cache: gradle
-
-      - name: Run Tests with Gradle
-        run: |
-          cd backend
-          chmod +x gradlew
-          ./gradlew test
-
-  test-frontend:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Setup Node 22
-        uses: actions/setup-node@v4
-        with:
-          node-version: "22"
-          cache: "npm"
-          cache-dependency-path: "frontend/package-lock.json"
-
-      - name: Install Chromium
-        shell: bash
-        run: |
-          apt-get update
-          apt-get install -y --no-install-recommends chromium
-
-      - name: Install frontend dependencies
-        shell: bash
-        run: |
-          cd frontend
-          npm ci --no-audit --no-fund
-
-      - name: Run frontend tests (headless)
-        shell: bash
-        env:
-          CHROME_BIN: /usr/bin/chromium
-          CI: "true"
-        run: |
-          cd frontend
-          npm run test -- --watch=false --browsers=ChromeHeadlessNoSandbox

.gitignore

@@ -41,11 +41,3 @@ target/
 build/
 .gradle/
 .mvn/
-
-./storage_orders
-./storage_quotes
-storage_orders
-storage_quotes
-
-# Qodana local reports/artifacts
-backend/.qodana/

backend/Dockerfile

@@ -11,7 +11,7 @@ RUN ./gradlew bootJar -x test --no-daemon
 # Stage 2: Runtime Environment
 FROM eclipse-temurin:21-jre-jammy
 
-# Install system dependencies for OrcaSlicer (same as before)
+# Install system dependencies for OrcaSlicer
 RUN apt-get update && apt-get install -y \
     wget \
     p7zip-full \
@@ -20,6 +20,14 @@ RUN apt-get update && apt-get install -y \
     libgtk-3-0 \
     libdbus-1-3 \
     libwebkit2gtk-4.0-37 \
+    libx11-xcb1 \
+    libxcb-dri3-0 \
+    libxtst6 \
+    libnss3 \
+    libatk-bridge2.0-0 \
+    libxss1 \
+    libasound2 \
+    libgbm1 \
     && rm -rf /var/lib/apt/lists/*
 
 # Install OrcaSlicer

backend/build.gradle

@@ -24,15 +24,11 @@ repositories {
 
 dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-web'
-	implementation 'org.springframework.boot:spring-boot-starter-security'
-	implementation 'org.springframework.boot:spring-boot-starter-validation'
 	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
 	implementation 'xyz.capybara:clamav-client:2.1.2'
-    implementation 'org.springframework.boot:spring-boot-starter-actuator'
 	runtimeOnly 'org.postgresql:postgresql'
 	developmentOnly 'org.springframework.boot:spring-boot-devtools'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
-	testImplementation 'org.springframework.security:spring-security-test'
 	testRuntimeOnly 'com.h2database:h2'
 	testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
 	compileOnly 'org.projectlombok:lombok'
@@ -41,7 +37,6 @@ dependencies {
 	implementation 'io.github.openhtmltopdf:openhtmltopdf-svg-support:1.1.37'
 	implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
 	implementation 'net.codecrete.qrbill:qrbill-generator:3.4.0'
-	implementation 'org.springframework.boot:spring-boot-starter-mail'
 
 
 

backend/entrypoint.sh

@@ -3,23 +3,13 @@ echo "----------------------------------------------------------------"
 echo "Starting Backend Application"
 echo "DB_URL: $DB_URL"
 echo "DB_USERNAME: $DB_USERNAME"
-echo "SPRING_DATASOURCE_URL: $SPRING_DATASOURCE_URL"
 echo "SLICER_PATH: $SLICER_PATH"
+echo "--- ALL ENV VARS ---"
+env
 echo "----------------------------------------------------------------"
 
-# Determine which environment variables to use for database connection
+# Exec java with explicit properties from env
-# This allows compatibility with different docker-compose configurations
+exec java -jar app.jar \
-FINAL_DB_URL="${DB_URL:-$SPRING_DATASOURCE_URL}"
+  --spring.datasource.url="${DB_URL}" \
-FINAL_DB_USER="${DB_USERNAME:-$SPRING_DATASOURCE_USERNAME}"
+  --spring.datasource.username="${DB_USERNAME}" \
-FINAL_DB_PASS="${DB_PASSWORD:-$SPRING_DATASOURCE_PASSWORD}"
+  --spring.datasource.password="${DB_PASSWORD}"
-
-if [ -n "$FINAL_DB_URL" ]; then
-  echo "Using database URL: $FINAL_DB_URL"
-  exec java -jar app.jar \
-    --spring.datasource.url="${FINAL_DB_URL}" \
-    --spring.datasource.username="${FINAL_DB_USER}" \
-    --spring.datasource.password="${FINAL_DB_PASS}"
-else
-  echo "No database URL specified in environment, relying on application.properties defaults."
-  exec java -jar app.jar
-fi

backend/qodana.yaml

@@ -1,48 +0,0 @@
-#-------------------------------------------------------------------------------#
-#               Qodana analysis is configured by qodana.yaml file               #
-#             https://www.jetbrains.com/help/qodana/qodana-yaml.html            #
-#-------------------------------------------------------------------------------#
-
-#################################################################################
-#              WARNING: Do not store sensitive information in this file,        #
-#               as its contents will be included in the Qodana report.          #
-#################################################################################
-version: "1.0"
-
-#Specify inspection profile for code analysis
-profile:
-  name: qodana.starter
-
-#Enable inspections
-#include:
-#  - name: <SomeEnabledInspectionId>
-
-#Disable inspections
-#exclude:
-#  - name: <SomeDisabledInspectionId>
-#    paths:
-#      - <path/where/not/run/inspection>
-
-projectJDK: "21" #(Applied in CI/CD pipeline)
-
-#Execute shell command before Qodana execution (Applied in CI/CD pipeline)
-#bootstrap: sh ./prepare-qodana.sh
-
-#Install IDE plugins before Qodana execution (Applied in CI/CD pipeline)
-#plugins:
-#  - id: <plugin.id> #(plugin id can be found at https://plugins.jetbrains.com)
-
-# Quality gate. Will fail the CI/CD pipeline if any condition is not met
-# severityThresholds - configures maximum thresholds for different problem severities
-# testCoverageThresholds - configures minimum code coverage on a whole project and newly added code
-# Code Coverage is available in Ultimate and Ultimate Plus plans
-#failureConditions:
-#  severityThresholds:
-#    any: 15
-#    critical: 5
-#  testCoverageThresholds:
-#    fresh: 70
-#    total: 50
-
-#Specify Qodana linter for analysis (Applied in CI/CD pipeline)
-linter: jetbrains/qodana-jvm:2025.3

backend/src/main/java/com/printcalculator/BackendApplication.java

@@ -2,15 +2,13 @@ package com.printcalculator;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.boot.autoconfigure.security.servlet.UserDetailsServiceAutoConfiguration;
 import org.springframework.scheduling.annotation.EnableScheduling;
-import org.springframework.scheduling.annotation.EnableAsync;
+import org.springframework.scheduling.annotation.EnableScheduling;
 import org.springframework.transaction.annotation.EnableTransactionManagement;
 
-@SpringBootApplication(exclude = {UserDetailsServiceAutoConfiguration.class})
+@SpringBootApplication
 @EnableTransactionManagement
 @EnableScheduling
-@EnableAsync
 public class BackendApplication {
 
 	public static void main(String[] args) {

backend/src/main/java/com/printcalculator/config/SecurityConfig.java

@@ -1,47 +0,0 @@
-package com.printcalculator.config;
-
-import com.printcalculator.security.AdminSessionAuthenticationFilter;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.http.HttpMethod;
-import org.springframework.http.MediaType;
-import org.springframework.security.config.Customizer;
-import org.springframework.security.config.annotation.web.builders.HttpSecurity;
-import org.springframework.security.config.annotation.web.configurers.AbstractHttpConfigurer;
-import org.springframework.security.config.http.SessionCreationPolicy;
-import org.springframework.security.web.SecurityFilterChain;
-import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
-
-@Configuration
-public class SecurityConfig {
-
-    @Bean
-    public SecurityFilterChain securityFilterChain(
-            HttpSecurity http,
-            AdminSessionAuthenticationFilter adminSessionAuthenticationFilter
-    ) throws Exception {
-        http
-                .csrf(AbstractHttpConfigurer::disable)
-                .cors(Customizer.withDefaults())
-                .sessionManagement(sm -> sm.sessionCreationPolicy(SessionCreationPolicy.STATELESS))
-                .httpBasic(AbstractHttpConfigurer::disable)
-                .formLogin(AbstractHttpConfigurer::disable)
-                .logout(AbstractHttpConfigurer::disable)
-                .authorizeHttpRequests(auth -> auth
-                        .requestMatchers(HttpMethod.OPTIONS, "/**").permitAll()
-                        .requestMatchers("/actuator/health", "/actuator/health/**").permitAll()
-                        .requestMatchers("/actuator/**").denyAll()
-                        .requestMatchers("/api/admin/auth/login").permitAll()
-                        .requestMatchers("/api/admin/**").authenticated()
-                        .anyRequest().permitAll()
-                )
-                .exceptionHandling(ex -> ex.authenticationEntryPoint((request, response, authException) -> {
-                    response.setStatus(401);
-                    response.setContentType(MediaType.APPLICATION_JSON_VALUE);
-                    response.getWriter().write("{\"error\":\"UNAUTHORIZED\"}");
-                }))
-                .addFilterBefore(adminSessionAuthenticationFilter, UsernamePasswordAuthenticationFilter.class);
-
-        return http.build();
-    }
-}

backend/src/main/java/com/printcalculator/controller/CustomQuoteRequestController.java

@@ -1,102 +1,48 @@
 package com.printcalculator.controller;
 
-import com.printcalculator.dto.QuoteRequestDto;
 import com.printcalculator.entity.CustomQuoteRequest;
 import com.printcalculator.entity.CustomQuoteRequestAttachment;
 import com.printcalculator.repository.CustomQuoteRequestAttachmentRepository;
 import com.printcalculator.repository.CustomQuoteRequestRepository;
-import com.printcalculator.service.ClamAVService;
-import com.printcalculator.service.email.EmailNotificationService;
-import jakarta.validation.Valid;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.transaction.annotation.Transactional;
-import org.springframework.util.StringUtils;
 import org.springframework.web.bind.annotation.*;
-import org.springframework.web.server.ResponseStatusException;
 import org.springframework.web.multipart.MultipartFile;
 
 import java.io.IOException;
-import java.io.InputStream;
 import java.nio.file.Files;
-import java.nio.file.InvalidPathException;
 import java.nio.file.Path;
 import java.nio.file.Paths;
-import java.nio.file.StandardCopyOption;
 import java.time.OffsetDateTime;
-import java.time.Year;
+import java.util.ArrayList;
-import java.util.HashMap;
 import java.util.List;
-import java.util.Locale;
-import java.util.Map;
-import java.util.Set;
 import java.util.UUID;
-import java.util.regex.Pattern;
 
 @RestController
 @RequestMapping("/api/custom-quote-requests")
 public class CustomQuoteRequestController {
 
-    private static final Logger logger = LoggerFactory.getLogger(CustomQuoteRequestController.class);
     private final CustomQuoteRequestRepository requestRepo;
     private final CustomQuoteRequestAttachmentRepository attachmentRepo;
-    private final ClamAVService clamAVService;
-    private final EmailNotificationService emailNotificationService;
     
-    @Value("${app.mail.contact-request.admin.enabled:true}")
+    private final com.printcalculator.service.StorageService storageService;
-    private boolean contactRequestAdminMailEnabled;
-
-    @Value("${app.mail.contact-request.admin.address:infog@3d-fab.ch}")
-    private String contactRequestAdminMailAddress;
-
-    // TODO: Inject Storage Service
-    private static final Path STORAGE_ROOT = Paths.get("storage_requests").toAbsolutePath().normalize();
-    private static final Pattern SAFE_EXTENSION_PATTERN = Pattern.compile("^[a-z0-9]{1,10}$");
-    private static final Set<String> FORBIDDEN_COMPRESSED_EXTENSIONS = Set.of(
-            "zip", "rar", "7z", "tar", "gz", "tgz", "bz2", "tbz2", "xz", "txz", "zst"
-    );
-    private static final Set<String> FORBIDDEN_COMPRESSED_MIME_TYPES = Set.of(
-            "application/zip",
-            "application/x-zip-compressed",
-            "application/x-rar-compressed",
-            "application/vnd.rar",
-            "application/x-7z-compressed",
-            "application/gzip",
-            "application/x-gzip",
-            "application/x-tar",
-            "application/x-bzip2",
-            "application/x-xz",
-            "application/zstd",
-            "application/x-zstd"
-    );
 
     public CustomQuoteRequestController(CustomQuoteRequestRepository requestRepo,
                                         CustomQuoteRequestAttachmentRepository attachmentRepo,
-                                        ClamAVService clamAVService,
+                                        com.printcalculator.service.StorageService storageService) {
-                                        EmailNotificationService emailNotificationService) {
         this.requestRepo = requestRepo;
         this.attachmentRepo = attachmentRepo;
-        this.clamAVService = clamAVService;
+        this.storageService = storageService;
-        this.emailNotificationService = emailNotificationService;
     }
 
     // 1. Create Custom Quote Request
     @PostMapping(consumes = MediaType.MULTIPART_FORM_DATA_VALUE)
     @Transactional
     public ResponseEntity<CustomQuoteRequest> createCustomQuoteRequest(
-            @Valid @RequestPart("request") QuoteRequestDto requestDto,
+            @RequestPart("request") com.printcalculator.dto.QuoteRequestDto requestDto,
             @RequestPart(value = "files", required = false) List<MultipartFile> files
     ) throws IOException {
-        if (!requestDto.isAcceptTerms() || !requestDto.isAcceptPrivacy()) {
-            throw new ResponseStatusException(
-                    HttpStatus.BAD_REQUEST,
-                    "Accettazione Termini e Privacy obbligatoria."
-            );
-        }
         
         // 1. Create Request
         CustomQuoteRequest request = new CustomQuoteRequest();
@@ -115,7 +61,6 @@ public class CustomQuoteRequestController {
         request = requestRepo.save(request);
         
         // 2. Handle Attachments
-        int attachmentsCount = 0;
         if (files != null && !files.isEmpty()) {
             if (files.size() > 15) {
                 throw new IOException("Too many files. Max 15 allowed.");
@@ -124,16 +69,6 @@ public class CustomQuoteRequestController {
             for (MultipartFile file : files) {
                 if (file.isEmpty()) continue;
                 
-                if (isCompressedFile(file)) {
-                    throw new ResponseStatusException(
-                            HttpStatus.BAD_REQUEST,
-                            "Compressed files are not allowed."
-                    );
-                }
-                
-                // Scan for virus
-                clamAVService.scan(file.getInputStream());
-                
                 CustomQuoteRequestAttachment attachment = new CustomQuoteRequestAttachment();
                 attachment.setRequest(request);
                 attachment.setOriginalFilename(file.getOriginalFilename());
@@ -143,7 +78,8 @@ public class CustomQuoteRequestController {
                 
                 // Generate path
                 UUID fileUuid = UUID.randomUUID();
-                String storedFilename = fileUuid + ".upload";
+                String ext = getExtension(file.getOriginalFilename());
+                String storedFilename = fileUuid.toString() + "." + ext;
                 
                 // Note: We don't have attachment ID yet.
                 // We'll save attachment first to get ID.
@@ -152,28 +88,15 @@ public class CustomQuoteRequestController {
                 
                 attachment = attachmentRepo.save(attachment);
                 
-                Path relativePath = Path.of(
+                String relativePath = "quote-requests/" + request.getId() + "/attachments/" + attachment.getId() + "/" + storedFilename;
-                        "quote-requests",
+                attachment.setStoredRelativePath(relativePath);
-                        request.getId().toString(),
-                        "attachments",
-                        attachment.getId().toString(),
-                        storedFilename
-                );
-                attachment.setStoredRelativePath(relativePath.toString());
                 attachmentRepo.save(attachment);
                 
-                // Save file to disk
+                // Save file to disk via StorageService
-                Path absolutePath = resolveWithinStorageRoot(relativePath);
+                storageService.store(file, Paths.get(relativePath));
-                Files.createDirectories(absolutePath.getParent());
-                try (InputStream inputStream = file.getInputStream()) {
-                    Files.copy(inputStream, absolutePath, StandardCopyOption.REPLACE_EXISTING);
-                }
-                attachmentsCount++;
             }
         }
         
-        sendAdminContactRequestNotification(request, attachmentsCount);
-
         return ResponseEntity.ok(request);
     }
     
@@ -188,80 +111,10 @@ public class CustomQuoteRequestController {
     // Helper
     private String getExtension(String filename) {
         if (filename == null) return "dat";
-        String cleaned = StringUtils.cleanPath(filename);
+        int i = filename.lastIndexOf('.');
-        if (cleaned.contains("..")) {
+        if (i > 0) {
-            return "dat";
+            return filename.substring(i + 1);
-        }
-        int i = cleaned.lastIndexOf('.');
-        if (i > 0 && i < cleaned.length() - 1) {
-            String ext = cleaned.substring(i + 1).toLowerCase(Locale.ROOT);
-            if (SAFE_EXTENSION_PATTERN.matcher(ext).matches()) {
-                return ext;
-            }
         }
         return "dat";
     }
-
-    private boolean isCompressedFile(MultipartFile file) {
-        String ext = getExtension(file.getOriginalFilename());
-        if (FORBIDDEN_COMPRESSED_EXTENSIONS.contains(ext)) {
-            return true;
-        }
-        String mime = file.getContentType();
-        return mime != null && FORBIDDEN_COMPRESSED_MIME_TYPES.contains(mime.toLowerCase());
-    }
-
-    private Path resolveWithinStorageRoot(Path relativePath) {
-        try {
-            Path normalizedRelative = relativePath.normalize();
-            if (normalizedRelative.isAbsolute()) {
-                throw new ResponseStatusException(HttpStatus.BAD_REQUEST, "Invalid attachment path");
-            }
-            Path absolutePath = STORAGE_ROOT.resolve(normalizedRelative).normalize();
-            if (!absolutePath.startsWith(STORAGE_ROOT)) {
-                throw new ResponseStatusException(HttpStatus.BAD_REQUEST, "Invalid attachment path");
-            }
-            return absolutePath;
-        } catch (InvalidPathException e) {
-            throw new ResponseStatusException(HttpStatus.BAD_REQUEST, "Invalid attachment path");
-        }
-    }
-
-    private void sendAdminContactRequestNotification(CustomQuoteRequest request, int attachmentsCount) {
-        if (!contactRequestAdminMailEnabled) {
-            return;
-        }
-        if (contactRequestAdminMailAddress == null || contactRequestAdminMailAddress.isBlank()) {
-            logger.warn("Contact request admin notification enabled but no admin address configured.");
-            return;
-        }
-
-        Map<String, Object> templateData = new HashMap<>();
-        templateData.put("requestId", request.getId());
-        templateData.put("createdAt", request.getCreatedAt());
-        templateData.put("requestType", safeValue(request.getRequestType()));
-        templateData.put("customerType", safeValue(request.getCustomerType()));
-        templateData.put("name", safeValue(request.getName()));
-        templateData.put("companyName", safeValue(request.getCompanyName()));
-        templateData.put("contactPerson", safeValue(request.getContactPerson()));
-        templateData.put("email", safeValue(request.getEmail()));
-        templateData.put("phone", safeValue(request.getPhone()));
-        templateData.put("message", safeValue(request.getMessage()));
-        templateData.put("attachmentsCount", attachmentsCount);
-        templateData.put("currentYear", Year.now().getValue());
-
-        emailNotificationService.sendEmail(
-                contactRequestAdminMailAddress,
-                "Nuova richiesta di contatto #" + request.getId(),
-                "contact-request-admin",
-                templateData
-        );
-    }
-
-    private String safeValue(String value) {
-        if (value == null || value.isBlank()) {
-            return "-";
-        }
-        return value;
-    }
 }

backend/src/main/java/com/printcalculator/controller/OptionsController.java

@@ -3,28 +3,18 @@ package com.printcalculator.controller;
 import com.printcalculator.dto.OptionsResponse;
 import com.printcalculator.entity.FilamentMaterialType;
 import com.printcalculator.entity.FilamentVariant;
-import com.printcalculator.entity.LayerHeightOption;
+import com.printcalculator.entity.*; // This line replaces specific entity imports
-import com.printcalculator.entity.MaterialOrcaProfileMap;
-import com.printcalculator.entity.NozzleOption;
-import com.printcalculator.entity.PrinterMachine;
-import com.printcalculator.entity.PrinterMachineProfile;
 import com.printcalculator.repository.FilamentMaterialTypeRepository;
 import com.printcalculator.repository.FilamentVariantRepository;
 import com.printcalculator.repository.LayerHeightOptionRepository;
-import com.printcalculator.repository.MaterialOrcaProfileMapRepository;
 import com.printcalculator.repository.NozzleOptionRepository;
-import com.printcalculator.repository.PrinterMachineRepository;
-import com.printcalculator.service.OrcaProfileResolver;
 import org.springframework.http.ResponseEntity;
-import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
-import java.math.BigDecimal;
+import java.util.ArrayList;
 import java.util.Comparator;
 import java.util.List;
-import java.util.Set;
 import java.util.stream.Collectors;
 
 @RestController
@@ -34,99 +24,88 @@ public class OptionsController {
     private final FilamentVariantRepository variantRepo;
     private final LayerHeightOptionRepository layerHeightRepo;
     private final NozzleOptionRepository nozzleRepo;
-    private final PrinterMachineRepository printerMachineRepo;
-    private final MaterialOrcaProfileMapRepository materialOrcaMapRepo;
-    private final OrcaProfileResolver orcaProfileResolver;
 
     public OptionsController(FilamentMaterialTypeRepository materialRepo,
                              FilamentVariantRepository variantRepo,
                              LayerHeightOptionRepository layerHeightRepo,
-                             NozzleOptionRepository nozzleRepo,
+                             NozzleOptionRepository nozzleRepo) {
-                             PrinterMachineRepository printerMachineRepo,
-                             MaterialOrcaProfileMapRepository materialOrcaMapRepo,
-                             OrcaProfileResolver orcaProfileResolver) {
         this.materialRepo = materialRepo;
         this.variantRepo = variantRepo;
         this.layerHeightRepo = layerHeightRepo;
         this.nozzleRepo = nozzleRepo;
-        this.printerMachineRepo = printerMachineRepo;
-        this.materialOrcaMapRepo = materialOrcaMapRepo;
-        this.orcaProfileResolver = orcaProfileResolver;
     }
 
     @GetMapping("/api/calculator/options")
-    @Transactional(readOnly = true)
+    public ResponseEntity<OptionsResponse> getOptions() {
-    public ResponseEntity<OptionsResponse> getOptions(
+        // 1. Materials & Variants
-            @RequestParam(value = "printerMachineId", required = false) Long printerMachineId,
-            @RequestParam(value = "nozzleDiameter", required = false) Double nozzleDiameter
-    ) {
         List<FilamentMaterialType> types = materialRepo.findAll();
-        List<FilamentVariant> allVariants = variantRepo.findByIsActiveTrue().stream()
+        List<FilamentVariant> allVariants = variantRepo.findAll();
-                .sorted(Comparator
-                        .comparing((FilamentVariant v) -> safeMaterialCode(v.getFilamentMaterialType()), String.CASE_INSENSITIVE_ORDER)
-                        .thenComparing(v -> safeString(v.getVariantDisplayName()), String.CASE_INSENSITIVE_ORDER))
-                .toList();
-
-        Set<Long> compatibleMaterialTypeIds = resolveCompatibleMaterialTypeIds(printerMachineId, nozzleDiameter);
 
         List<OptionsResponse.MaterialOption> materialOptions = types.stream()
-                .sorted(Comparator.comparing(t -> safeString(t.getMaterialCode()), String.CASE_INSENSITIVE_ORDER))
                 .map(type -> {
-                    if (!compatibleMaterialTypeIds.isEmpty() && !compatibleMaterialTypeIds.contains(type.getId())) {
-                        return null;
-                    }
-
                     List<OptionsResponse.VariantOption> variants = allVariants.stream()
-                            .filter(v -> v.getFilamentMaterialType() != null
+                            .filter(v -> v.getFilamentMaterialType().getId().equals(type.getId()) && v.getIsActive())
-                                    && v.getFilamentMaterialType().getId().equals(type.getId()))
                             .map(v -> new OptionsResponse.VariantOption(
-                                    v.getId(),
                                     v.getVariantDisplayName(),
                                     v.getColorName(),
-                                    resolveHexColor(v),
+                                    getColorHex(v.getColorName()), // Need helper or store hex in DB
-                                    v.getFinishType() != null ? v.getFinishType() : "GLOSSY",
+                                    v.getStockSpools().doubleValue() <= 0
-                                    v.getStockSpools() != null ? v.getStockSpools().doubleValue() : 0d,
-                                    toStockFilamentGrams(v),
-                                    v.getStockSpools() == null || v.getStockSpools().doubleValue() <= 0
                             ))
                             .collect(Collectors.toList());
 
-                    if (variants.isEmpty()) {
+                    // Only include material if it has active variants
-                        return null;
+                    if (variants.isEmpty()) return null;
-                    }
 
                     return new OptionsResponse.MaterialOption(
                             type.getMaterialCode(),
-                            type.getMaterialCode() + (Boolean.TRUE.equals(type.getIsFlexible()) ? " (Flexible)" : " (Standard)"),
+                            type.getMaterialCode() + (type.getIsFlexible() ? " (Flexible)" : " (Standard)"),
                             variants
                     );
                 })
                 .filter(m -> m != null)
-                .toList();
+                .collect(Collectors.toList());
         
+        // Sort: PLA first, then PETG, then others alphabetically
+        materialOptions.sort((a, b) -> {
+            String codeA = a.code();
+            String codeB = b.code();
+            
+            if (codeA.equals("pla_basic")) return -1;
+            if (codeB.equals("pla_basic")) return 1;
+            
+            if (codeA.equals("petg_basic")) return -1;
+            if (codeB.equals("petg_basic")) return 1;
+            
+            return codeA.compareTo(codeB);
+        });
+
+        // 2. Qualities (Static as per user request)
         List<OptionsResponse.QualityOption> qualities = List.of(
                 new OptionsResponse.QualityOption("draft", "Draft"),
                 new OptionsResponse.QualityOption("standard", "Standard"),
                 new OptionsResponse.QualityOption("extra_fine", "High Definition")
         );
 
+        // 3. Infill Patterns (Static as per user request)
         List<OptionsResponse.InfillPatternOption> patterns = List.of(
                 new OptionsResponse.InfillPatternOption("grid", "Grid"),
                 new OptionsResponse.InfillPatternOption("gyroid", "Gyroid"),
                 new OptionsResponse.InfillPatternOption("cubic", "Cubic")
         );
 
+        // 4. Layer Heights
         List<OptionsResponse.LayerHeightOptionDTO> layers = layerHeightRepo.findAll().stream()
-                .filter(l -> Boolean.TRUE.equals(l.getIsActive()))
+                .filter(l -> l.getIsActive())
                 .sorted(Comparator.comparing(LayerHeightOption::getLayerHeightMm))
                 .map(l -> new OptionsResponse.LayerHeightOptionDTO(
                         l.getLayerHeightMm().doubleValue(),
                         String.format("%.2f mm", l.getLayerHeightMm())
                 ))
-                .toList();
+                .collect(Collectors.toList());
 
+        // 5. Nozzles
         List<OptionsResponse.NozzleOptionDTO> nozzles = nozzleRepo.findAll().stream()
-                .filter(n -> Boolean.TRUE.equals(n.getIsActive()))
+                .filter(n -> n.getIsActive())
                 .sorted(Comparator.comparing(NozzleOption::getNozzleDiameterMm))
                 .map(n -> new OptionsResponse.NozzleOptionDTO(
                         n.getNozzleDiameterMm().doubleValue(),
@@ -135,76 +114,13 @@ public class OptionsController {
                                 ? String.format(" (+ %.2f CHF)", n.getExtraNozzleChangeFeeChf()) 
                                 : " (Standard)")
                 ))
-                .toList();
+                .collect(Collectors.toList());
 
         return ResponseEntity.ok(new OptionsResponse(materialOptions, qualities, patterns, layers, nozzles));
     }
 
-    private Set<Long> resolveCompatibleMaterialTypeIds(Long printerMachineId, Double nozzleDiameter) {
+    // Temporary helper until we add hex to DB
-        PrinterMachine machine = null;
-        if (printerMachineId != null) {
-            machine = printerMachineRepo.findById(printerMachineId).orElse(null);
-        }
-        if (machine == null) {
-            machine = printerMachineRepo.findFirstByIsActiveTrue().orElse(null);
-        }
-        if (machine == null) {
-            return Set.of();
-        }
-
-        BigDecimal nozzle = nozzleDiameter != null
-                ? BigDecimal.valueOf(nozzleDiameter)
-                : BigDecimal.valueOf(0.40);
-
-        PrinterMachineProfile machineProfile = orcaProfileResolver
-                .resolveMachineProfile(machine, nozzle)
-                .orElse(null);
-
-        if (machineProfile == null) {
-            return Set.of();
-        }
-
-        List<MaterialOrcaProfileMap> maps = materialOrcaMapRepo.findByPrinterMachineProfileAndIsActiveTrue(machineProfile);
-        return maps.stream()
-                .map(MaterialOrcaProfileMap::getFilamentMaterialType)
-                .filter(m -> m != null && m.getId() != null)
-                .map(FilamentMaterialType::getId)
-                .collect(Collectors.toSet());
-    }
-
-    private String resolveHexColor(FilamentVariant variant) {
-        if (variant.getColorHex() != null && !variant.getColorHex().isBlank()) {
-            return variant.getColorHex();
-        }
-        return getColorHex(variant.getColorName());
-    }
-
-    private double toStockFilamentGrams(FilamentVariant variant) {
-        if (variant.getStockSpools() == null || variant.getSpoolNetKg() == null) {
-            return 0d;
-        }
-        return variant.getStockSpools()
-                .multiply(variant.getSpoolNetKg())
-                .multiply(BigDecimal.valueOf(1000))
-                .doubleValue();
-    }
-
-    private String safeMaterialCode(FilamentMaterialType type) {
-        if (type == null || type.getMaterialCode() == null) {
-            return "";
-        }
-        return type.getMaterialCode();
-    }
-
-    private String safeString(String value) {
-        return value == null ? "" : value;
-    }
-
-    // Temporary helper for legacy values where color hex is not yet set in DB
     private String getColorHex(String colorName) {
-        if (colorName == null) {
-            return "#9e9e9e";
-        }
         String lower = colorName.toLowerCase();
         if (lower.contains("black") || lower.contains("nero")) return "#1a1a1a";
         if (lower.contains("white") || lower.contains("bianco")) return "#f5f5f5";
@@ -218,6 +134,6 @@ public class OptionsController {
         }
         if (lower.contains("purple") || lower.contains("viola")) return "#7b1fa2";
         if (lower.contains("yellow") || lower.contains("giallo")) return "#fbc02d";
-        return "#9e9e9e";
+        return "#9e9e9e"; // Default grey
     }
 }

backend/src/main/java/com/printcalculator/controller/OrderController.java

@@ -5,37 +5,30 @@ import com.printcalculator.entity.*;
 import com.printcalculator.repository.*;
 import com.printcalculator.service.InvoicePdfRenderingService;
 import com.printcalculator.service.OrderService;
-import com.printcalculator.service.PaymentService;
 import com.printcalculator.service.QrBillService;
 import com.printcalculator.service.StorageService;
-import com.printcalculator.service.TwintPaymentService;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
-import org.springframework.util.StringUtils;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
-import jakarta.validation.Valid;
 
 import java.io.IOException;
-
+import java.math.BigDecimal;
-import java.nio.file.InvalidPathException;
+import java.nio.file.Files;
 import java.nio.file.Path;
-
+import java.nio.file.Paths;
+import java.time.OffsetDateTime;
+import java.time.format.DateTimeFormatter;
 import java.util.List;
 import java.util.UUID;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.Base64;
 import java.util.stream.Collectors;
-import java.net.URI;
-import java.util.Locale;
-import java.util.regex.Pattern;
 
 @RestController
 @RequestMapping("/api/orders")
 public class OrderController {
-    private static final Pattern SAFE_EXTENSION_PATTERN = Pattern.compile("^[a-z0-9]{1,10}$");
 
     private final OrderService orderService;
     private final OrderRepository orderRepo;
@@ -46,9 +39,6 @@ public class OrderController {
     private final StorageService storageService;
     private final InvoicePdfRenderingService invoiceService;
     private final QrBillService qrBillService;
-    private final TwintPaymentService twintPaymentService;
-    private final PaymentService paymentService;
-    private final PaymentRepository paymentRepo;
 
 
     public OrderController(OrderService orderService,
@@ -59,10 +49,7 @@ public class OrderController {
                            CustomerRepository customerRepo,
                            StorageService storageService,
                            InvoicePdfRenderingService invoiceService,
-                           QrBillService qrBillService,
+                           QrBillService qrBillService) {
-                           TwintPaymentService twintPaymentService,
-                           PaymentService paymentService,
-                           PaymentRepository paymentRepo) {
         this.orderService = orderService;
         this.orderRepo = orderRepo;
         this.orderItemRepo = orderItemRepo;
@@ -72,9 +59,6 @@ public class OrderController {
         this.storageService = storageService;
         this.invoiceService = invoiceService;
         this.qrBillService = qrBillService;
-        this.twintPaymentService = twintPaymentService;
-        this.paymentService = paymentService;
-        this.paymentRepo = paymentRepo;
     }
 
 
@@ -83,7 +67,7 @@ public class OrderController {
     @Transactional
     public ResponseEntity<OrderDto> createOrderFromQuote(
             @PathVariable UUID quoteSessionId,
-            @Valid @RequestBody com.printcalculator.dto.CreateOrderRequest request
+            @RequestBody com.printcalculator.dto.CreateOrderRequest request
     ) {
         Order order = orderService.createOrderFromQuote(quoteSessionId, request);
         List<OrderItem> items = orderItemRepo.findByOrder_Id(order.getId());
@@ -106,21 +90,15 @@ public class OrderController {
         }
         
         String relativePath = item.getStoredRelativePath();
-        Path destinationRelativePath;
         if (relativePath == null || relativePath.equals("PENDING")) {
              String ext = getExtension(file.getOriginalFilename());
-             String storedFilename = UUID.randomUUID() + "." + ext;
+             String storedFilename = UUID.randomUUID().toString() + "." + ext;
-             destinationRelativePath = Path.of("orders", orderId.toString(), "3d-files", orderItemId.toString(), storedFilename);
+             relativePath = "orders/" + orderId + "/3d-files/" + orderItemId + "/" + storedFilename;
-             item.setStoredRelativePath(destinationRelativePath.toString());
+             item.setStoredRelativePath(relativePath);
              item.setStoredFilename(storedFilename);
-        } else {
-            destinationRelativePath = resolveOrderItemRelativePath(relativePath, orderId, orderItemId);
-            if (destinationRelativePath == null) {
-                return ResponseEntity.badRequest().build();
-            }
         }
         
-        storageService.store(file, destinationRelativePath);
+        storageService.store(file, Paths.get(relativePath));
         item.setFileSizeBytes(file.getSize());
         item.setMimeType(file.getContentType());
         orderItemRepo.save(item);
@@ -138,163 +116,91 @@ public class OrderController {
                 .orElse(ResponseEntity.notFound().build());
     }
 
-    @PostMapping("/{orderId}/payments/report")
-    @Transactional
-    public ResponseEntity<OrderDto> reportPayment(
-            @PathVariable UUID orderId,
-            @RequestBody Map<String, String> payload
-    ) {
-        String method = payload.get("method");
-        paymentService.reportPayment(orderId, method);
-        return getOrder(orderId);
-    }
-
-    @GetMapping("/{orderId}/confirmation")
-    public ResponseEntity<byte[]> getConfirmation(@PathVariable UUID orderId) {
-        return generateDocument(orderId, true);
-    }
-
     @GetMapping("/{orderId}/invoice")
     public ResponseEntity<byte[]> getInvoice(@PathVariable UUID orderId) {
-        // Paid invoices are sent by email after back-office payment confirmation.
-        // The public endpoint must not expose a "paid" invoice download.
-        return ResponseEntity.notFound().build();
-    }
-
-    private ResponseEntity<byte[]> generateDocument(UUID orderId, boolean isConfirmation) {
         Order order = orderRepo.findById(orderId)
                 .orElseThrow(() -> new RuntimeException("Order not found"));
 
-        if (isConfirmation) {
-            Path relativePath = buildConfirmationPdfRelativePath(order);
-            try {
-                byte[] existingPdf = storageService.loadAsResource(relativePath).getInputStream().readAllBytes();
-                return ResponseEntity.ok()
-                        .header("Content-Disposition", "attachment; filename=\"confirmation-" + getDisplayOrderNumber(order) + ".pdf\"")
-                        .contentType(MediaType.APPLICATION_PDF)
-                        .body(existingPdf);
-            } catch (Exception ignored) {
-                // Fallback to on-the-fly generation if the stored file is missing or unreadable.
-            }
-        }
-
         List<OrderItem> items = orderItemRepo.findByOrder_Id(orderId);
-        Payment payment = paymentRepo.findByOrder_Id(orderId).orElse(null);
 
-        byte[] pdf = invoiceService.generateDocumentPdf(order, items, isConfirmation, qrBillService, payment);
+        Map<String, Object> vars = new HashMap<>();
-        String typePrefix = isConfirmation ? "confirmation-" : "invoice-";
+        vars.put("sellerDisplayName", "3D Fab Switzerland");
-        String truncatedUuid = order.getId().toString().substring(0, 8);
+        vars.put("sellerAddressLine1", "Sede Ticino, Svizzera");
+        vars.put("sellerAddressLine2", "Sede Bienne, Svizzera");
+        vars.put("sellerEmail", "info@3dfab.ch");
+
+        vars.put("invoiceNumber", "INV-" + order.getId().toString().substring(0, 8).toUpperCase());
+        vars.put("invoiceDate", order.getCreatedAt().format(DateTimeFormatter.ISO_LOCAL_DATE));
+        vars.put("dueDate", order.getCreatedAt().plusDays(7).format(DateTimeFormatter.ISO_LOCAL_DATE));
+
+        String buyerName = order.getBillingCustomerType().equals("BUSINESS") 
+            ? order.getBillingCompanyName() 
+            : order.getBillingFirstName() + " " + order.getBillingLastName();
+        vars.put("buyerDisplayName", buyerName);
+        vars.put("buyerAddressLine1", order.getBillingAddressLine1());
+        vars.put("buyerAddressLine2", order.getBillingZip() + " " + order.getBillingCity() + ", " + order.getBillingCountryCode());
+
+        List<Map<String, Object>> invoiceLineItems = items.stream().map(i -> {
+            Map<String, Object> line = new HashMap<>();
+            line.put("description", "Stampa 3D: " + i.getOriginalFilename());
+            line.put("quantity", i.getQuantity());
+            line.put("unitPriceFormatted", String.format("CHF %.2f", i.getUnitPriceChf()));
+            line.put("lineTotalFormatted", String.format("CHF %.2f", i.getLineTotalChf()));
+            return line;
+        }).collect(Collectors.toList());
+
+        Map<String, Object> setupLine = new HashMap<>();
+        setupLine.put("description", "Costo Setup");
+        setupLine.put("quantity", 1);
+        setupLine.put("unitPriceFormatted", String.format("CHF %.2f", order.getSetupCostChf()));
+        setupLine.put("lineTotalFormatted", String.format("CHF %.2f", order.getSetupCostChf()));
+        invoiceLineItems.add(setupLine);
+
+        Map<String, Object> shippingLine = new HashMap<>();
+        shippingLine.put("description", "Spedizione");
+        shippingLine.put("quantity", 1);
+        shippingLine.put("unitPriceFormatted", String.format("CHF %.2f", order.getShippingCostChf()));
+        shippingLine.put("lineTotalFormatted", String.format("CHF %.2f", order.getShippingCostChf()));
+        invoiceLineItems.add(shippingLine);
+
+        vars.put("invoiceLineItems", invoiceLineItems);
+        vars.put("subtotalFormatted", String.format("CHF %.2f", order.getSubtotalChf()));
+        vars.put("grandTotalFormatted", String.format("CHF %.2f", order.getTotalChf()));
+        vars.put("paymentTermsText", "Pagamento entro 7 giorni via Bonifico o TWINT. Grazie.");
+
+        String qrBillSvg = new String(qrBillService.generateQrBillSvg(order), java.nio.charset.StandardCharsets.UTF_8);
+        
+        // Strip XML declaration and DOCTYPE if present, as they validity break the embedding HTML page
+        if (qrBillSvg.contains("<?xml")) {
+            int svgStartIndex = qrBillSvg.indexOf("<svg");
+            if (svgStartIndex != -1) {
+                qrBillSvg = qrBillSvg.substring(svgStartIndex);
+            }
+        }
+        
+        byte[] pdf = invoiceService.generateInvoicePdfBytesFromTemplate(vars, qrBillSvg);
+
         return ResponseEntity.ok()
-                .header("Content-Disposition", "attachment; filename=\"" + typePrefix + truncatedUuid + ".pdf\"")
+                .header("Content-Disposition", "attachment; filename=\"invoice-" + orderId + ".pdf\"")
                 .contentType(MediaType.APPLICATION_PDF)
                 .body(pdf);
     }
     
-    private Path buildConfirmationPdfRelativePath(Order order) {
-        return Path.of(
-                "orders",
-                order.getId().toString(),
-                "documents",
-                "confirmation-" + getDisplayOrderNumber(order) + ".pdf"
-        );
-    }
-
-    @GetMapping("/{orderId}/twint")
-    public ResponseEntity<Map<String, String>> getTwintPayment(@PathVariable UUID orderId) {
-        Order order = orderRepo.findById(orderId).orElse(null);
-        if (order == null) {
-            return ResponseEntity.notFound().build();
-        }
-
-        byte[] qrPng = twintPaymentService.generateQrPng(order, 360);
-        String qrDataUri = "data:image/png;base64," + Base64.getEncoder().encodeToString(qrPng);
-
-        Map<String, String> data = new HashMap<>();
-        data.put("paymentUrl", twintPaymentService.getTwintPaymentUrl(order));
-        data.put("openUrl", "/api/orders/" + orderId + "/twint/open");
-        data.put("qrImageUrl", "/api/orders/" + orderId + "/twint/qr");
-        data.put("qrImageDataUri", qrDataUri);
-        return ResponseEntity.ok(data);
-    }
-
-    @GetMapping("/{orderId}/twint/open")
-    public ResponseEntity<Void> openTwintPayment(@PathVariable UUID orderId) {
-        Order order = orderRepo.findById(orderId).orElse(null);
-        if (order == null) {
-            return ResponseEntity.notFound().build();
-        }
-
-        return ResponseEntity.status(302)
-                .location(URI.create(twintPaymentService.getTwintPaymentUrl(order)))
-                .build();
-    }
-
-    @GetMapping("/{orderId}/twint/qr")
-    public ResponseEntity<byte[]> getTwintQr(
-            @PathVariable UUID orderId,
-            @RequestParam(defaultValue = "320") int size
-    ) {
-        Order order = orderRepo.findById(orderId).orElse(null);
-        if (order == null) {
-            return ResponseEntity.notFound().build();
-        }
-
-        int normalizedSize = Math.max(200, Math.min(size, 600));
-        byte[] png = twintPaymentService.generateQrPng(order, normalizedSize);
-
-        return ResponseEntity.ok()
-                .contentType(MediaType.IMAGE_PNG)
-                .body(png);
-    }
-    
     private String getExtension(String filename) {
         if (filename == null) return "stl";
-        String cleaned = StringUtils.cleanPath(filename);
+        int i = filename.lastIndexOf('.');
-        if (cleaned.contains("..")) {
+        if (i > 0) {
-            return "stl";
+            return filename.substring(i + 1);
-        }
-        int i = cleaned.lastIndexOf('.');
-        if (i > 0 && i < cleaned.length() - 1) {
-            String ext = cleaned.substring(i + 1).toLowerCase(Locale.ROOT);
-            if (SAFE_EXTENSION_PATTERN.matcher(ext).matches()) {
-                return ext;
-            }
         }
         return "stl";
     }
 
-    private Path resolveOrderItemRelativePath(String storedRelativePath, UUID orderId, UUID orderItemId) {
-        try {
-            Path candidate = Path.of(storedRelativePath).normalize();
-            if (candidate.isAbsolute()) {
-                return null;
-            }
-
-            Path expectedPrefix = Path.of("orders", orderId.toString(), "3d-files", orderItemId.toString());
-            if (!candidate.startsWith(expectedPrefix)) {
-                return null;
-            }
-
-            return candidate;
-        } catch (InvalidPathException e) {
-            return null;
-        }
-    }
-
     private OrderDto convertToDto(Order order, List<OrderItem> items) {
         OrderDto dto = new OrderDto();
         dto.setId(order.getId());
-        dto.setOrderNumber(getDisplayOrderNumber(order));
         dto.setStatus(order.getStatus());
-
-        paymentRepo.findByOrder_Id(order.getId()).ifPresent(p -> {
-            dto.setPaymentStatus(p.getStatus());
-            dto.setPaymentMethod(p.getMethod());
-        });
-
         dto.setCustomerEmail(order.getCustomerEmail());
         dto.setCustomerPhone(order.getCustomerPhone());
-        dto.setPreferredLanguage(order.getPreferredLanguage());
         dto.setBillingCustomerType(order.getBillingCustomerType());
         dto.setCurrency(order.getCurrency());
         dto.setSetupCostChf(order.getSetupCostChf());
@@ -349,12 +255,4 @@ public class OrderController {
         return dto;
     }
 
-    private String getDisplayOrderNumber(Order order) {
-        String orderNumber = order.getOrderNumber();
-        if (orderNumber != null && !orderNumber.isBlank()) {
-            return orderNumber;
-        }
-        return order.getId() != null ? order.getId().toString() : "unknown";
-    }
-
 }

backend/src/main/java/com/printcalculator/controller/QuoteController.java

@@ -1,11 +1,15 @@
 package com.printcalculator.controller;
 
 import com.printcalculator.entity.PrinterMachine;
+import com.printcalculator.exception.ModelTooLargeException;
 import com.printcalculator.model.PrintStats;
 import com.printcalculator.model.QuoteResult;
+import com.printcalculator.model.StlBounds;
 import com.printcalculator.repository.PrinterMachineRepository;
 import com.printcalculator.service.QuoteCalculator;
+import com.printcalculator.service.ProfileManager;
 import com.printcalculator.service.SlicerService;
+import com.printcalculator.service.StlService;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
@@ -15,24 +19,29 @@ import java.util.HashMap;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.util.logging.Logger;
 
 @RestController
 public class QuoteController {
 
+    private static final Logger logger = Logger.getLogger(QuoteController.class.getName());
+
     private final SlicerService slicerService;
+    private final StlService stlService;
     private final QuoteCalculator quoteCalculator;
     private final PrinterMachineRepository machineRepo;
-    private final com.printcalculator.service.ClamAVService clamAVService;
+    private final ProfileManager profileManager;
 
     // Defaults (using aliases defined in ProfileManager)
     private static final String DEFAULT_FILAMENT = "pla_basic";
     private static final String DEFAULT_PROCESS = "standard";
 
-    public QuoteController(SlicerService slicerService, QuoteCalculator quoteCalculator, PrinterMachineRepository machineRepo, com.printcalculator.service.ClamAVService clamAVService) {
+    public QuoteController(SlicerService slicerService, StlService stlService, QuoteCalculator quoteCalculator, PrinterMachineRepository machineRepo, ProfileManager profileManager) {
         this.slicerService = slicerService;
+        this.stlService = stlService;
         this.quoteCalculator = quoteCalculator;
         this.machineRepo = machineRepo;
-        this.clamAVService = clamAVService;
+        this.profileManager = profileManager;
     }
 
     @PostMapping("/api/quote")
@@ -46,7 +55,7 @@ public class QuoteController {
             @RequestParam(value = "infill_pattern", required = false) String infillPattern,
             @RequestParam(value = "layer_height", required = false) Double layerHeight,
             @RequestParam(value = "nozzle_diameter", required = false) Double nozzleDiameter,
-            @RequestParam(value = "support_enabled", required = false) Boolean supportEnabled
+            @RequestParam(value = "support_enabled", required = false, defaultValue = "false") Boolean supportEnabled
             ) throws IOException {
 
         // ... process selection logic ...
@@ -74,6 +83,9 @@ public class QuoteController {
         }
         if (supportEnabled != null) {
             processOverrides.put("enable_support", supportEnabled ? "1" : "0");
+            if (supportEnabled) {
+                processOverrides.put("support_threshold_angle", "45");
+            }
         }
 
         if (nozzleDiameter != null) {
@@ -83,7 +95,7 @@ public class QuoteController {
             // For now, we trust the override key works on the base profile.
         }
 
-        return processRequest(file, filament, actualProcess, machineOverrides, processOverrides);
+        return processRequest(file, filament, actualProcess, machineOverrides, processOverrides, nozzleDiameter);
     }
 
     @PostMapping("/calculate/stl")
@@ -91,42 +103,91 @@ public class QuoteController {
             @RequestParam("file") MultipartFile file
     ) throws IOException {
         // Legacy endpoint uses defaults
-        return processRequest(file, DEFAULT_FILAMENT, DEFAULT_PROCESS, null, null);
+        return processRequest(file, DEFAULT_FILAMENT, DEFAULT_PROCESS, null, null, null);
     }
 
     private ResponseEntity<QuoteResult> processRequest(MultipartFile file, String filament, String process,
                                                        Map<String, String> machineOverrides,
-                                                       Map<String, String> processOverrides) throws IOException {
+                                                       Map<String, String> processOverrides,
+                                                       Double nozzleDiameter) throws IOException {
         if (file.isEmpty()) {
             return ResponseEntity.badRequest().build();
         }
 
-        // Scan for virus
-        clamAVService.scan(file.getInputStream());
-
         // Fetch Default Active Machine
         PrinterMachine machine = machineRepo.findFirstByIsActiveTrue()
                 .orElseThrow(() -> new IOException("No active printer found in database"));
 
         // Save uploaded file temporarily
         Path tempInput = Files.createTempFile("upload_", "_" + file.getOriginalFilename());
+        com.printcalculator.model.StlShiftResult shift = null;
         try {
             file.transferTo(tempInput.toFile());
 
-            String slicerMachineProfile = "bambu_a1"; // TODO: Add to PrinterMachine entity
+            // Use profile from machine or fallback
+            String slicerMachineProfile = machine.getSlicerMachineProfile();
+            if (slicerMachineProfile == null || slicerMachineProfile.isEmpty()) {
+                slicerMachineProfile = "bambu_a1"; 
+            }
+            slicerMachineProfile = profileManager.resolveMachineProfileName(slicerMachineProfile, nozzleDiameter);
 
-            PrintStats stats = slicerService.slice(tempInput.toFile(), slicerMachineProfile, filament, process, machineOverrides, processOverrides);
+            // Validate model size against machine volume
+            StlBounds bounds = validateModelSize(tempInput.toFile(), machine);
+
+            // Auto-center if needed
+            shift = stlService.shiftToFitIfNeeded(
+                    tempInput.toFile(),
+                    bounds,
+                    machine.getBuildVolumeXMm(),
+                    machine.getBuildVolumeYMm(),
+                    machine.getBuildVolumeZMm()
+            );
+            java.io.File sliceInput = shift.shifted() ? shift.shiftedPath().toFile() : tempInput.toFile();
+            if (shift.shifted()) {
+                logger.info(String.format("Auto-centered STL by offset (mm): x=%.3f y=%.3f z=%.3f",
+                        shift.offsetX(), shift.offsetY(), shift.offsetZ()));
+            }
+
+            PrintStats stats = slicerService.slice(sliceInput, slicerMachineProfile, filament, process, machineOverrides, processOverrides);
             
             // Calculate Quote (Pass machine display name for pricing lookup)
             QuoteResult result = quoteCalculator.calculate(stats, machine.getPrinterDisplayName(), filament);
             
             return ResponseEntity.ok(result);
-
-        } catch (Exception e) {
-            e.printStackTrace();
-            return ResponseEntity.internalServerError().build();
         } finally {
             Files.deleteIfExists(tempInput);
+            if (shift != null && shift.shifted()) {
+                try {
+                    Files.deleteIfExists(shift.shiftedPath());
+                } catch (Exception ignored) {}
             }
         }
+    }
+
+    private StlBounds validateModelSize(java.io.File stlFile, PrinterMachine machine) throws IOException {
+        StlBounds bounds = stlService.readBounds(stlFile);
+        double x = bounds.sizeX();
+        double y = bounds.sizeY();
+        double z = bounds.sizeZ();
+
+        int bx = machine.getBuildVolumeXMm();
+        int by = machine.getBuildVolumeYMm();
+        int bz = machine.getBuildVolumeZMm();
+
+        logger.info(String.format(
+                "STL bounds (mm): min(%.3f,%.3f,%.3f) max(%.3f,%.3f,%.3f) size(%.3f,%.3f,%.3f) bed(%d,%d,%d)",
+                bounds.minX(), bounds.minY(), bounds.minZ(),
+                bounds.maxX(), bounds.maxY(), bounds.maxZ(),
+                x, y, z, bx, by, bz
+        ));
+
+        double eps = 0.01;
+        boolean fits = (x <= bx + eps && y <= by + eps && z <= bz + eps)
+                || (y <= bx + eps && x <= by + eps && z <= bz + eps);
+
+        if (!fits) {
+            throw new ModelTooLargeException(x, y, z, bx, by, bz);
+        }
+        return bounds;
+    }
 }

backend/src/main/java/com/printcalculator/controller/QuoteSessionController.java

@@ -1,85 +1,78 @@
 package com.printcalculator.controller;
 
-import com.printcalculator.entity.FilamentMaterialType;
-import com.printcalculator.entity.FilamentVariant;
 import com.printcalculator.entity.PrinterMachine;
 import com.printcalculator.entity.QuoteLineItem;
 import com.printcalculator.entity.QuoteSession;
-import com.printcalculator.model.ModelDimensions;
+import com.printcalculator.exception.ModelTooLargeException;
 import com.printcalculator.model.PrintStats;
 import com.printcalculator.model.QuoteResult;
-import com.printcalculator.repository.FilamentMaterialTypeRepository;
+import com.printcalculator.model.StlBounds;
-import com.printcalculator.repository.FilamentVariantRepository;
 import com.printcalculator.repository.PrinterMachineRepository;
 import com.printcalculator.repository.QuoteLineItemRepository;
 import com.printcalculator.repository.QuoteSessionRepository;
-import com.printcalculator.service.OrcaProfileResolver;
 import com.printcalculator.service.QuoteCalculator;
+import com.printcalculator.service.ProfileManager;
 import com.printcalculator.service.SlicerService;
+import com.printcalculator.service.StlService;
 import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.transaction.annotation.Transactional;
-import org.springframework.util.StringUtils;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 
 import java.io.IOException;
-import java.io.InputStream;
 import java.math.BigDecimal;
-import java.math.RoundingMode;
 import java.nio.file.Files;
-import java.nio.file.InvalidPathException;
 import java.nio.file.Path;
 import java.nio.file.Paths;
-import java.nio.file.StandardCopyOption;
 import java.time.OffsetDateTime;
-import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.UUID;
-import java.util.Optional;
-import java.util.Locale;
 import org.springframework.core.io.Resource;
 import org.springframework.core.io.UrlResource;
+import java.util.logging.Logger;
 
 @RestController
 @RequestMapping("/api/quote-sessions")
 
 public class QuoteSessionController {
-    private static final Path QUOTE_STORAGE_ROOT = Paths.get("storage_quotes").toAbsolutePath().normalize();
+
+    private static final Logger logger = Logger.getLogger(QuoteSessionController.class.getName());
 
     private final QuoteSessionRepository sessionRepo;
     private final QuoteLineItemRepository lineItemRepo;
     private final SlicerService slicerService;
+    private final StlService stlService;
     private final QuoteCalculator quoteCalculator;
+    private final ProfileManager profileManager;
     private final PrinterMachineRepository machineRepo;
-    private final FilamentMaterialTypeRepository materialRepo;
-    private final FilamentVariantRepository variantRepo;
-    private final OrcaProfileResolver orcaProfileResolver;
     private final com.printcalculator.repository.PricingPolicyRepository pricingRepo;
-    private final com.printcalculator.service.ClamAVService clamAVService;
+    private final com.printcalculator.service.StorageService storageService;
+
+    // Defaults
+    private static final String DEFAULT_FILAMENT = "pla_basic";
+    private static final String DEFAULT_PROCESS = "standard";
 
     public QuoteSessionController(QuoteSessionRepository sessionRepo,
                                   QuoteLineItemRepository lineItemRepo,
                                   SlicerService slicerService,
+                                  StlService stlService,
                                   QuoteCalculator quoteCalculator,
+                                  ProfileManager profileManager,
                                   PrinterMachineRepository machineRepo,
-                                  FilamentMaterialTypeRepository materialRepo,
-                                  FilamentVariantRepository variantRepo,
-                                  OrcaProfileResolver orcaProfileResolver,
                                   com.printcalculator.repository.PricingPolicyRepository pricingRepo,
-                                  com.printcalculator.service.ClamAVService clamAVService) {
+                                  com.printcalculator.service.StorageService storageService) {
         this.sessionRepo = sessionRepo;
         this.lineItemRepo = lineItemRepo;
         this.slicerService = slicerService;
+        this.stlService = stlService;
         this.quoteCalculator = quoteCalculator;
+        this.profileManager = profileManager;
         this.machineRepo = machineRepo;
-        this.materialRepo = materialRepo;
-        this.variantRepo = variantRepo;
-        this.orcaProfileResolver = orcaProfileResolver;
         this.pricingRepo = pricingRepo;
-        this.clamAVService = clamAVService;
+        this.storageService = storageService;
     }
 
     // 1. Start a new empty session
@@ -91,13 +84,13 @@ public class QuoteSessionController {
         session.setPricingVersion("v1");
         // Default material/settings will be set when items are added or updated?
         // For now set safe defaults
-        session.setMaterialCode("PLA"); 
+        session.setMaterialCode("pla_basic"); 
         session.setSupportsEnabled(false);
         session.setCreatedAt(OffsetDateTime.now());
         session.setExpiresAt(OffsetDateTime.now().plusDays(30)); 
         
         var policy = pricingRepo.findFirstByIsActiveTrueOrderByValidFromDesc();
-        session.setSetupCostChf(quoteCalculator.calculateSessionSetupFee(policy));
+        session.setSetupCostChf(policy != null ? policy.getFixedJobFeeChf() : BigDecimal.ZERO);
         
         session = sessionRepo.save(session);
         return ResponseEntity.ok(session);
@@ -122,112 +115,154 @@ public class QuoteSessionController {
     private QuoteLineItem addItemToSession(QuoteSession session, MultipartFile file, com.printcalculator.dto.PrintSettingsDto settings) throws IOException {
         if (file.isEmpty()) throw new IOException("File is empty");
 
-        // Scan for virus
-        clamAVService.scan(file.getInputStream());
-
         // 1. Define Persistent Storage Path
-        // Structure: storage_quotes/{sessionId}/{uuid}.{ext}
+        // Structure: quotes/{sessionId}/{uuid}.{ext} (inside storage root)
-        Path sessionStorageDir = QUOTE_STORAGE_ROOT.resolve(session.getId().toString()).normalize();
-        if (!sessionStorageDir.startsWith(QUOTE_STORAGE_ROOT)) {
-            throw new IOException("Invalid quote session storage path");
-        }
-        Files.createDirectories(sessionStorageDir);
         
         String originalFilename = file.getOriginalFilename();
-        String ext = getSafeExtension(originalFilename, "stl");
+        String ext = originalFilename != null && originalFilename.contains(".") 
-        String storedFilename = UUID.randomUUID() + "." + ext;
+                     ? originalFilename.substring(originalFilename.lastIndexOf(".")) 
-        Path persistentPath = sessionStorageDir.resolve(storedFilename).normalize();
+                     : ".stl";
-        if (!persistentPath.startsWith(sessionStorageDir)) {
+        
-            throw new IOException("Invalid quote line-item storage path");
+        String storedFilename = UUID.randomUUID() + ext;
-        }
+        Path relativePath = Paths.get("quotes", session.getId().toString(), storedFilename);
         
         // Save file
-        try (InputStream inputStream = file.getInputStream()) {
+        storageService.store(file, relativePath);
-            Files.copy(inputStream, persistentPath, StandardCopyOption.REPLACE_EXISTING);
-        }
         
+        // Resolve absolute path for slicing and storage usage
+        Path persistentPath = storageService.loadAsResource(relativePath).getFile().toPath();
+
+        com.printcalculator.model.StlShiftResult shift = null;
         try {
             // Apply Basic/Advanced Logic
             applyPrintSettings(settings);
 
-            BigDecimal nozzleDiameter = BigDecimal.valueOf(settings.getNozzleDiameter() != null ? settings.getNozzleDiameter() : 0.4);
+            // REAL SLICING
+            // 1. Pick Machine (default to first active or specific)
+            PrinterMachine machine = machineRepo.findFirstByIsActiveTrue()
+                    .orElseThrow(() -> new RuntimeException("No active printer found"));
 
-            // Pick machine (selected machine if provided, otherwise first active)
+            // 2. Validate model size against machine volume
-            PrinterMachine machine = resolvePrinterMachine(settings.getPrinterMachineId());
+            StlBounds bounds = validateModelSize(persistentPath.toFile(), machine);
 
-            // Resolve selected filament variant
+            // 2b. Auto-center if needed (keeps the stored STL unchanged)
-            FilamentVariant selectedVariant = resolveFilamentVariant(settings);
+            shift = stlService.shiftToFitIfNeeded(
-
+                    persistentPath.toFile(),
-            // Update session global settings from the most recent item added
+                    bounds,
-            session.setMaterialCode(selectedVariant.getFilamentMaterialType().getMaterialCode());
+                    machine.getBuildVolumeXMm(),
-            session.setNozzleDiameterMm(nozzleDiameter);
+                    machine.getBuildVolumeYMm(),
-            session.setLayerHeightMm(BigDecimal.valueOf(settings.getLayerHeight() != null ? settings.getLayerHeight() : 0.2));
+                    machine.getBuildVolumeZMm()
-            session.setInfillPattern(settings.getInfillPattern());
+            );
-            session.setInfillPercent(settings.getInfillDensity() != null ? settings.getInfillDensity().intValue() : 20);
+            java.io.File sliceInput = shift.shifted() ? shift.shiftedPath().toFile() : persistentPath.toFile();
-            session.setSupportsEnabled(settings.getSupportsEnabled() != null ? settings.getSupportsEnabled() : false);
+            if (shift.shifted()) {
-            sessionRepo.save(session);
+                logger.info(String.format("Auto-centered STL by offset (mm): x=%.3f y=%.3f z=%.3f",
-
+                        shift.offsetX(), shift.offsetY(), shift.offsetZ()));
-            OrcaProfileResolver.ResolvedProfiles profiles = orcaProfileResolver.resolve(machine, nozzleDiameter, selectedVariant);
-            String machineProfile = profiles.machineProfileName();
-            String filamentProfile = profiles.filamentProfileName();
-
-            String processProfile = "standard";
-            if (settings.getLayerHeight() != null) {
-                 if (settings.getLayerHeight() >= 0.28) processProfile = "draft";
-                 else if (settings.getLayerHeight() <= 0.12) processProfile = "extra_fine";
             }
             
+            // 3. Pick Profiles
+            String machineProfile = machine.getSlicerMachineProfile();
+            if (machineProfile == null || machineProfile.isBlank()) {
+                machineProfile = machine.getPrinterDisplayName(); // e.g. "Bambu Lab A1 0.4 nozzle"
+            }
+            if (machineProfile == null || machineProfile.isBlank()) {
+                machineProfile = "bambu_a1"; // final fallback (alias handled in ProfileManager)
+            }
+            machineProfile = profileManager.resolveMachineProfileName(machineProfile, settings.getNozzleDiameter());
+            
+            String filamentProfile = "Generic " + (settings.getMaterial() != null ? settings.getMaterial().toUpperCase() : "PLA");
+            // Mapping: "pla_basic" -> "Generic PLA", "petg_basic" -> "Generic PETG"
+            if (settings.getMaterial() != null) {
+                if (settings.getMaterial().toLowerCase().contains("pla")) filamentProfile = "Generic PLA";
+                else if (settings.getMaterial().toLowerCase().contains("petg")) filamentProfile = "Generic PETG";
+                else if (settings.getMaterial().toLowerCase().contains("tpu")) filamentProfile = "Generic TPU";
+                else if (settings.getMaterial().toLowerCase().contains("abs")) filamentProfile = "Generic ABS";
+                
+                // Update Session Material
+                session.setMaterialCode(settings.getMaterial());
+            } else {
+                 // Fallback if null?
+                 session.setMaterialCode("pla_basic");
+            }
+            
+            // Update Session Settings for Persistence
+            if (settings.getNozzleDiameter() != null) session.setNozzleDiameterMm(BigDecimal.valueOf(settings.getNozzleDiameter()));
+            if (settings.getLayerHeight() != null) session.setLayerHeightMm(BigDecimal.valueOf(settings.getLayerHeight()));
+            if (settings.getInfillDensity() != null) session.setInfillPercent(settings.getInfillDensity().intValue());
+            if (settings.getInfillPattern() != null) session.setInfillPattern(settings.getInfillPattern());
+            if (settings.getSupportsEnabled() != null) session.setSupportsEnabled(settings.getSupportsEnabled());
+            if (settings.getNotes() != null) session.setNotes(settings.getNotes());
+            
+            // Save session updates
+            sessionRepo.save(session);
+
+            String processProfile = "0.20mm Standard @BBL A1"; 
+            // Mapping quality to process
+            // "standard" -> "0.20mm Standard @BBL A1"
+            // "draft" -> "0.28mm Extra Draft @BBL A1"
+            // "high" -> "0.12mm Fine @BBL A1" (approx names, need to be exact for Orca)
+            // Let's use robust defaults or simple overrides
+            if (settings.getLayerHeight() != null) {
+                 if (settings.getLayerHeight() >= 0.28) processProfile = "0.28mm Extra Draft @BBL A1";
+                 else if (settings.getLayerHeight() <= 0.12) processProfile = "0.12mm Fine @BBL A1";
+            }
+            
+            // Build overrides map from settings
             // Build overrides map from settings
             Map<String, String> processOverrides = new HashMap<>();
             if (settings.getLayerHeight() != null) processOverrides.put("layer_height", String.valueOf(settings.getLayerHeight()));
             if (settings.getInfillDensity() != null) processOverrides.put("sparse_infill_density", settings.getInfillDensity() + "%");
             if (settings.getInfillPattern() != null) processOverrides.put("sparse_infill_pattern", settings.getInfillPattern());
+            if (settings.getSupportsEnabled() != null) {
+                processOverrides.put("enable_support", settings.getSupportsEnabled() ? "1" : "0");
+                // If enabled, use a more permissive threshold (45 deg) by default
+                // to avoid expensive supports on things that don't strictly need them
+                if (settings.getSupportsEnabled()) {
+                    processOverrides.put("support_threshold_angle", "45");
+                }
+            }
             
-            // 3. Slice (Use persistent path)
+            Map<String, String> machineOverrides = new HashMap<>();
+            if (settings.getNozzleDiameter() != null) {
+                machineOverrides.put("nozzle_diameter", String.valueOf(settings.getNozzleDiameter()));
+            }
+
+            // 4. Slice (Use persistent path)
             PrintStats stats = slicerService.slice(
-                persistentPath.toFile(), 
+                sliceInput, 
                 machineProfile, 
                 filamentProfile, 
                 processProfile, 
-                null, // machine overrides
+                machineOverrides, // machine overrides
                 processOverrides
             );
             
-            Optional<ModelDimensions> modelDimensions = slicerService.inspectModelDimensions(persistentPath.toFile());
+            // 5. Calculate Quote
+            QuoteResult result = quoteCalculator.calculate(stats, machine.getPrinterDisplayName(), filamentProfile);
 
-            // 4. Calculate Quote
+            // 6. Create Line Item
-            QuoteResult result = quoteCalculator.calculate(stats, machine.getPrinterDisplayName(), selectedVariant);
-
-            // 5. Create Line Item
             QuoteLineItem item = new QuoteLineItem();
             item.setQuoteSession(session);
             item.setOriginalFilename(file.getOriginalFilename());
-            item.setStoredPath(QUOTE_STORAGE_ROOT.relativize(persistentPath).toString()); // SAVE PATH (relative to root)
+            item.setStoredPath(persistentPath.toString()); // SAVE PATH
             item.setQuantity(1);
-            item.setColorCode(selectedVariant.getColorName());
+            item.setColorCode(settings.getColor() != null ? settings.getColor() : "#FFFFFF");
-            item.setFilamentVariant(selectedVariant);
             item.setStatus("READY"); // or CALCULATED
             
-            item.setPrintTimeSeconds((int) stats.printTimeSeconds());
+            item.setPrintTimeSeconds((int) stats.getPrintTimeSeconds());
-            item.setMaterialGrams(BigDecimal.valueOf(stats.filamentWeightGrams()));
+            item.setMaterialGrams(BigDecimal.valueOf(stats.getFilamentWeightGrams()));
             item.setUnitPriceChf(BigDecimal.valueOf(result.getTotalPrice()));
             
             // Store breakdown
             Map<String, Object> breakdown = new HashMap<>();
-            breakdown.put("machine_cost", result.getTotalPrice()); // Excludes setup fee which is at session level
+            breakdown.put("machine_cost", result.getTotalPrice() - result.getSetupCost()); // Approximation? 
-            breakdown.put("setup_fee", 0);
+            // Better: QuoteResult could expose detailed breakdown. For now just storing what we have.
+            breakdown.put("setup_fee", result.getSetupCost());
             item.setPricingBreakdown(breakdown);
             
-            // Dimensions for shipping/package checks are computed server-side from the uploaded model.
+            // Dimensions from STL
-            item.setBoundingBoxXMm(modelDimensions
+            item.setBoundingBoxXMm(BigDecimal.valueOf(bounds.sizeX()));
-                    .map(dim -> BigDecimal.valueOf(dim.xMm()))
+            item.setBoundingBoxYMm(BigDecimal.valueOf(bounds.sizeY()));
-                    .orElseGet(() -> settings.getBoundingBoxX() != null ? BigDecimal.valueOf(settings.getBoundingBoxX()) : BigDecimal.ZERO));
+            item.setBoundingBoxZMm(BigDecimal.valueOf(bounds.sizeZ()));
-            item.setBoundingBoxYMm(modelDimensions
-                    .map(dim -> BigDecimal.valueOf(dim.yMm()))
-                    .orElseGet(() -> settings.getBoundingBoxY() != null ? BigDecimal.valueOf(settings.getBoundingBoxY()) : BigDecimal.ZERO));
-            item.setBoundingBoxZMm(modelDimensions
-                    .map(dim -> BigDecimal.valueOf(dim.zMm()))
-                    .orElseGet(() -> settings.getBoundingBoxZ() != null ? BigDecimal.valueOf(settings.getBoundingBoxZ()) : BigDecimal.ZERO));
             
             item.setCreatedAt(OffsetDateTime.now());
             item.setUpdatedAt(OffsetDateTime.now());
@@ -236,10 +271,45 @@ public class QuoteSessionController {
 
         } catch (Exception e) {
             // Cleanup if failed
-            Files.deleteIfExists(persistentPath);
+            try {
+                storageService.delete(Paths.get("quotes", session.getId().toString(), storedFilename));
+            } catch (Exception ignored) {}
             throw e;
+        } finally {
+            if (shift != null && shift.shifted()) {
+                try {
+                    Files.deleteIfExists(shift.shiftedPath());
+                } catch (Exception ignored) {}
             }
         }
+    }
+
+    private StlBounds validateModelSize(java.io.File stlFile, PrinterMachine machine) throws IOException {
+        StlBounds bounds = stlService.readBounds(stlFile);
+        double x = bounds.sizeX();
+        double y = bounds.sizeY();
+        double z = bounds.sizeZ();
+
+        int bx = machine.getBuildVolumeXMm();
+        int by = machine.getBuildVolumeYMm();
+        int bz = machine.getBuildVolumeZMm();
+
+        logger.info(String.format(
+                "STL bounds (mm): min(%.3f,%.3f,%.3f) max(%.3f,%.3f,%.3f) size(%.3f,%.3f,%.3f) bed(%d,%d,%d)",
+                bounds.minX(), bounds.minY(), bounds.minZ(),
+                bounds.maxX(), bounds.maxY(), bounds.maxZ(),
+                x, y, z, bx, by, bz
+        ));
+
+        double eps = 0.01;
+        boolean fits = (x <= bx + eps && y <= by + eps && z <= bz + eps)
+                || (y <= bx + eps && x <= by + eps && z <= bz + eps);
+
+        if (!fits) {
+            throw new ModelTooLargeException(x, y, z, bx, by, bz);
+        }
+        return bounds;
+    }
 
     private void applyPrintSettings(com.printcalculator.dto.PrintSettingsDto settings) {
         if ("BASIC".equalsIgnoreCase(settings.getComplexityMode())) {
@@ -251,81 +321,33 @@ public class QuoteSessionController {
                     settings.setLayerHeight(0.28);
                     settings.setInfillDensity(15.0);
                     settings.setInfillPattern("grid");
+                    if (settings.getNozzleDiameter() == null) settings.setNozzleDiameter(0.4);
                     break;
                 case "high":
                     settings.setLayerHeight(0.12);
                     settings.setInfillDensity(20.0);
                     settings.setInfillPattern("gyroid");
+                    if (settings.getNozzleDiameter() == null) settings.setNozzleDiameter(0.4);
                     break;
                 case "standard":
                 default:
                     settings.setLayerHeight(0.20);
-                    settings.setInfillDensity(15.0);
+                    settings.setInfillDensity(20.0);
                     settings.setInfillPattern("grid");
+                    if (settings.getNozzleDiameter() == null) settings.setNozzleDiameter(0.4);
                     break;
             }
+            if (settings.getSupportsEnabled() == null) settings.setSupportsEnabled(false);
         } else {
             // ADVANCED Mode: Use values from Frontend, set defaults if missing
             if (settings.getLayerHeight() == null) settings.setLayerHeight(0.20);
             if (settings.getInfillDensity() == null) settings.setInfillDensity(20.0);
             if (settings.getInfillPattern() == null) settings.setInfillPattern("grid");
+            if (settings.getNozzleDiameter() == null) settings.setNozzleDiameter(0.4);
+            if (settings.getSupportsEnabled() == null) settings.setSupportsEnabled(false);
         }
     }
 
-    private PrinterMachine resolvePrinterMachine(Long printerMachineId) {
-        if (printerMachineId != null) {
-            PrinterMachine selected = machineRepo.findById(printerMachineId)
-                    .orElseThrow(() -> new RuntimeException("Printer machine not found: " + printerMachineId));
-            if (!Boolean.TRUE.equals(selected.getIsActive())) {
-                throw new RuntimeException("Selected printer machine is not active");
-            }
-            return selected;
-        }
-
-        return machineRepo.findFirstByIsActiveTrue()
-                .orElseThrow(() -> new RuntimeException("No active printer found"));
-    }
-
-    private FilamentVariant resolveFilamentVariant(com.printcalculator.dto.PrintSettingsDto settings) {
-        if (settings.getFilamentVariantId() != null) {
-            FilamentVariant variant = variantRepo.findById(settings.getFilamentVariantId())
-                    .orElseThrow(() -> new RuntimeException("Filament variant not found: " + settings.getFilamentVariantId()));
-            if (!Boolean.TRUE.equals(variant.getIsActive())) {
-                throw new RuntimeException("Selected filament variant is not active");
-            }
-            return variant;
-        }
-
-        String requestedMaterialCode = normalizeRequestedMaterialCode(settings.getMaterial());
-
-        FilamentMaterialType materialType = materialRepo.findByMaterialCode(requestedMaterialCode)
-                .orElseGet(() -> materialRepo.findByMaterialCode("PLA")
-                        .orElseThrow(() -> new RuntimeException("Fallback material PLA not configured")));
-
-        String requestedColor = settings.getColor() != null ? settings.getColor().trim() : null;
-        if (requestedColor != null && !requestedColor.isBlank()) {
-            Optional<FilamentVariant> byColor = variantRepo.findByFilamentMaterialTypeAndColorName(materialType, requestedColor);
-            if (byColor.isPresent() && Boolean.TRUE.equals(byColor.get().getIsActive())) {
-                return byColor.get();
-            }
-        }
-
-        return variantRepo.findFirstByFilamentMaterialTypeAndIsActiveTrue(materialType)
-                .orElseThrow(() -> new RuntimeException("No active variant for material: " + requestedMaterialCode));
-    }
-
-    private String normalizeRequestedMaterialCode(String value) {
-        if (value == null || value.isBlank()) {
-            return "PLA";
-        }
-
-        return value.trim()
-                .toUpperCase(Locale.ROOT)
-                .replace('_', ' ')
-                .replace('-', ' ')
-                .replaceAll("\\s+", " ");
-    }
-
     // 3. Update Line Item
     @PatchMapping("/line-items/{lineItemId}")
     @Transactional
@@ -377,88 +399,20 @@ public class QuoteSessionController {
         
         List<QuoteLineItem> items = lineItemRepo.findByQuoteSessionId(id);
         
-        // Calculate Totals and global session hours
+        // Calculate Totals
         BigDecimal itemsTotal = BigDecimal.ZERO;
-        BigDecimal totalSeconds = BigDecimal.ZERO;
-
         for (QuoteLineItem item : items) {
             BigDecimal lineTotal = item.getUnitPriceChf().multiply(BigDecimal.valueOf(item.getQuantity()));
             itemsTotal = itemsTotal.add(lineTotal);
-            
-            if (item.getPrintTimeSeconds() != null) {
-                totalSeconds = totalSeconds.add(BigDecimal.valueOf(item.getPrintTimeSeconds()).multiply(BigDecimal.valueOf(item.getQuantity())));
-            }
-        }
-        
-        BigDecimal totalHours = totalSeconds.divide(BigDecimal.valueOf(3600), 4, RoundingMode.HALF_UP);
-        com.printcalculator.entity.PricingPolicy policy = pricingRepo.findFirstByIsActiveTrueOrderByValidFromDesc();
-        BigDecimal globalMachineCost = quoteCalculator.calculateSessionMachineCost(policy, totalHours);
-        
-        itemsTotal = itemsTotal.add(globalMachineCost);
-        
-        // Map items to DTO to embed distributed machine cost
-        List<Map<String, Object>> itemsDto = new ArrayList<>();
-        for (QuoteLineItem item : items) {
-            Map<String, Object> dto = new HashMap<>();
-            dto.put("id", item.getId());
-            dto.put("originalFilename", item.getOriginalFilename());
-            dto.put("quantity", item.getQuantity());
-            dto.put("printTimeSeconds", item.getPrintTimeSeconds());
-            dto.put("materialGrams", item.getMaterialGrams());
-            dto.put("colorCode", item.getColorCode());
-            dto.put("filamentVariantId", item.getFilamentVariant() != null ? item.getFilamentVariant().getId() : null);
-            dto.put("status", item.getStatus());
-            
-            BigDecimal unitPrice = item.getUnitPriceChf();
-            if (totalSeconds.compareTo(BigDecimal.ZERO) > 0 && item.getPrintTimeSeconds() != null) {
-                BigDecimal itemSeconds = BigDecimal.valueOf(item.getPrintTimeSeconds()).multiply(BigDecimal.valueOf(item.getQuantity()));
-                BigDecimal share = itemSeconds.divide(totalSeconds, 8, RoundingMode.HALF_UP);
-                BigDecimal itemMachineCost = globalMachineCost.multiply(share);
-                BigDecimal unitMachineCost = itemMachineCost.divide(BigDecimal.valueOf(item.getQuantity()), 2, RoundingMode.HALF_UP);
-                unitPrice = unitPrice.add(unitMachineCost);
-            }
-            dto.put("unitPriceChf", unitPrice);
-            itemsDto.add(dto);
         }
         
         BigDecimal setupFee = session.getSetupCostChf() != null ? session.getSetupCostChf() : BigDecimal.ZERO;
-        
+        BigDecimal grandTotal = itemsTotal.add(setupFee);
-        // Calculate shipping cost based on dimensions
-        boolean exceedsBaseSize = false;
-        for (QuoteLineItem item : items) {
-            BigDecimal x = item.getBoundingBoxXMm() != null ? item.getBoundingBoxXMm() : BigDecimal.ZERO;
-            BigDecimal y = item.getBoundingBoxYMm() != null ? item.getBoundingBoxYMm() : BigDecimal.ZERO;
-            BigDecimal z = item.getBoundingBoxZMm() != null ? item.getBoundingBoxZMm() : BigDecimal.ZERO;
-            
-            BigDecimal[] dims = {x, y, z};
-            java.util.Arrays.sort(dims);
-            
-            if (dims[2].compareTo(BigDecimal.valueOf(250.0)) > 0 ||
-                dims[1].compareTo(BigDecimal.valueOf(176.0)) > 0 ||
-                dims[0].compareTo(BigDecimal.valueOf(20.0)) > 0) {
-                exceedsBaseSize = true;
-                break;
-            }
-        }
-        int totalQuantity = items.stream()
-                .mapToInt(i -> i.getQuantity() != null ? i.getQuantity() : 1)
-                .sum();
-
-        BigDecimal shippingCostChf;
-        if (exceedsBaseSize) {
-            shippingCostChf = totalQuantity > 5 ? BigDecimal.valueOf(9.00) : BigDecimal.valueOf(4.00);
-        } else {
-            shippingCostChf = BigDecimal.valueOf(2.00);
-        }
-
-        BigDecimal grandTotal = itemsTotal.add(setupFee).add(shippingCostChf);
         
         Map<String, Object> response = new HashMap<>();
         response.put("session", session);
-        response.put("items", itemsDto);
+        response.put("items", items);
-        response.put("itemsTotalChf", itemsTotal); // Includes the base cost of all items + the global tiered machine cost
+        response.put("itemsTotalChf", itemsTotal);
-        response.put("shippingCostChf", shippingCostChf);
-        response.put("globalMachineCostChf", globalMachineCost); // Provide it so frontend knows how much it was (optional now)
         response.put("grandTotalChf", grandTotal);
         
         return ResponseEntity.ok(response);
@@ -481,54 +435,34 @@ public class QuoteSessionController {
             return ResponseEntity.notFound().build();
         }
 
-        Path path = resolveStoredQuotePath(item.getStoredPath(), sessionId);
+        Path path = Paths.get(item.getStoredPath());
-        if (path == null || !Files.exists(path)) {
+        // Since storedPath is absolute, we can't directly use loadAsResource with it unless we resolve relative.
+        // But loadAsResource expects relative path?
+        // Actually FileSystemStorageService.loadAsResource uses rootLocation.resolve(path).
+        // If path is absolute, resolve might fail or behave weirdly.
+        // But wait, we stored absolute path in DB: item.setStoredPath(persistentPath.toString());
+        // If we want to use storageService.loadAsResource, we need the relative path.
+        // Or we just access the file directly if we trust the absolute path.
+        // But we want to use StorageService abstraction.
+        
+        // Option 1: Reconstruct relative path.
+        // We know structure: quotes/{sessionId}/{filename}... 
+        // But filename is UUID+ext. We don't have storedFilename in QuoteLineItem easily?
+        // QuoteLineItem doesn't seem to have storedFilename field, only storedPath.
+        
+        // If we trust the file is on disk, we can use UrlResource directly here as before,
+        // relying on the fact that storedPath is the absolute path to the file.
+        // But we should verify it exists.
+        
+        if (!Files.exists(path)) {
             return ResponseEntity.notFound().build();
         }
 
-        org.springframework.core.io.Resource resource = new UrlResource(path.toUri());
+        org.springframework.core.io.Resource resource = new org.springframework.core.io.UrlResource(path.toUri());
 
         return ResponseEntity.ok()
                 .contentType(MediaType.APPLICATION_OCTET_STREAM)
                 .header(org.springframework.http.HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"" + item.getOriginalFilename() + "\"")
                 .body(resource);
     }
-
-    private String getSafeExtension(String filename, String fallback) {
-        if (filename == null) {
-            return fallback;
-        }
-        String cleaned = StringUtils.cleanPath(filename);
-        if (cleaned.contains("..")) {
-            return fallback;
-        }
-        int index = cleaned.lastIndexOf('.');
-        if (index <= 0 || index >= cleaned.length() - 1) {
-            return fallback;
-        }
-        String ext = cleaned.substring(index + 1).toLowerCase(Locale.ROOT);
-        return switch (ext) {
-            case "stl" -> "stl";
-            case "3mf" -> "3mf";
-            case "step", "stp" -> "step";
-            default -> fallback;
-        };
-    }
-
-    private Path resolveStoredQuotePath(String storedPath, UUID expectedSessionId) {
-        if (storedPath == null || storedPath.isBlank()) {
-            return null;
-        }
-        try {
-            Path raw = Path.of(storedPath).normalize();
-            Path resolved = raw.isAbsolute() ? raw : QUOTE_STORAGE_ROOT.resolve(raw).normalize();
-            Path expectedSessionRoot = QUOTE_STORAGE_ROOT.resolve(expectedSessionId.toString()).normalize();
-            if (!resolved.startsWith(expectedSessionRoot)) {
-                return null;
-            }
-            return resolved;
-        } catch (InvalidPathException e) {
-            return null;
-        }
-    }
 }

backend/src/main/java/com/printcalculator/controller/admin/AdminAuthController.java

@@ -1,83 +0,0 @@
-package com.printcalculator.controller.admin;
-
-import com.printcalculator.dto.AdminLoginRequest;
-import com.printcalculator.security.AdminLoginThrottleService;
-import com.printcalculator.security.AdminSessionService;
-import jakarta.servlet.http.HttpServletRequest;
-import jakarta.servlet.http.HttpServletResponse;
-import jakarta.validation.Valid;
-import org.springframework.http.HttpHeaders;
-import org.springframework.http.ResponseEntity;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
-
-import java.util.Map;
-import java.util.OptionalLong;
-
-@RestController
-@RequestMapping("/api/admin/auth")
-public class AdminAuthController {
-
-    private final AdminSessionService adminSessionService;
-    private final AdminLoginThrottleService adminLoginThrottleService;
-
-    public AdminAuthController(
-            AdminSessionService adminSessionService,
-            AdminLoginThrottleService adminLoginThrottleService
-    ) {
-        this.adminSessionService = adminSessionService;
-        this.adminLoginThrottleService = adminLoginThrottleService;
-    }
-
-    @PostMapping("/login")
-    public ResponseEntity<Map<String, Object>> login(
-            @Valid @RequestBody AdminLoginRequest request,
-            HttpServletRequest httpRequest,
-            HttpServletResponse response
-    ) {
-        String clientKey = adminLoginThrottleService.resolveClientKey(httpRequest);
-        OptionalLong remainingLock = adminLoginThrottleService.getRemainingLockSeconds(clientKey);
-        if (remainingLock.isPresent()) {
-            long retryAfter = remainingLock.getAsLong();
-            return ResponseEntity.status(429)
-                    .header(HttpHeaders.RETRY_AFTER, String.valueOf(retryAfter))
-                    .body(Map.of(
-                            "authenticated", false,
-                            "retryAfterSeconds", retryAfter
-                    ));
-        }
-
-        if (!adminSessionService.isPasswordValid(request.getPassword())) {
-            long retryAfter = adminLoginThrottleService.registerFailure(clientKey);
-            return ResponseEntity.status(401)
-                    .header(HttpHeaders.RETRY_AFTER, String.valueOf(retryAfter))
-                    .body(Map.of(
-                            "authenticated", false,
-                            "retryAfterSeconds", retryAfter
-                    ));
-        }
-
-        adminLoginThrottleService.reset(clientKey);
-        String token = adminSessionService.createSessionToken();
-        response.addHeader(HttpHeaders.SET_COOKIE, adminSessionService.buildLoginCookie(token).toString());
-
-        return ResponseEntity.ok(Map.of(
-                "authenticated", true,
-                "expiresInMinutes", adminSessionService.getSessionTtlMinutes()
-        ));
-    }
-
-    @PostMapping("/logout")
-    public ResponseEntity<Map<String, Object>> logout(HttpServletResponse response) {
-        response.addHeader(HttpHeaders.SET_COOKIE, adminSessionService.buildLogoutCookie().toString());
-        return ResponseEntity.ok(Map.of("authenticated", false));
-    }
-
-    @GetMapping("/me")
-    public ResponseEntity<Map<String, Object>> me() {
-        return ResponseEntity.ok(Map.of("authenticated", true));
-    }
-}

backend/src/main/java/com/printcalculator/controller/admin/AdminFilamentController.java

@@ -1,355 +0,0 @@
-package com.printcalculator.controller.admin;
-
-import com.printcalculator.dto.AdminFilamentMaterialTypeDto;
-import com.printcalculator.dto.AdminFilamentVariantDto;
-import com.printcalculator.dto.AdminUpsertFilamentMaterialTypeRequest;
-import com.printcalculator.dto.AdminUpsertFilamentVariantRequest;
-import com.printcalculator.entity.FilamentMaterialType;
-import com.printcalculator.entity.FilamentVariant;
-import com.printcalculator.repository.FilamentMaterialTypeRepository;
-import com.printcalculator.repository.FilamentVariantRepository;
-import com.printcalculator.repository.OrderItemRepository;
-import com.printcalculator.repository.QuoteLineItemRepository;
-import org.springframework.http.ResponseEntity;
-import org.springframework.transaction.annotation.Transactional;
-import org.springframework.web.bind.annotation.*;
-import org.springframework.web.server.ResponseStatusException;
-
-import java.math.BigDecimal;
-import java.time.OffsetDateTime;
-import java.util.Comparator;
-import java.util.List;
-import java.util.Locale;
-import java.util.Set;
-import java.util.regex.Pattern;
-
-import static org.springframework.http.HttpStatus.BAD_REQUEST;
-import static org.springframework.http.HttpStatus.CONFLICT;
-import static org.springframework.http.HttpStatus.NOT_FOUND;
-
-@RestController
-@RequestMapping("/api/admin/filaments")
-@Transactional(readOnly = true)
-public class AdminFilamentController {
-    private static final BigDecimal MAX_NUMERIC_6_3 = new BigDecimal("999.999");
-    private static final Pattern HEX_COLOR_PATTERN = Pattern.compile("^#[0-9A-Fa-f]{6}$");
-    private static final Set<String> ALLOWED_FINISH_TYPES = Set.of(
-            "GLOSSY", "MATTE", "MARBLE", "SILK", "TRANSLUCENT", "SPECIAL"
-    );
-
-    private final FilamentMaterialTypeRepository materialRepo;
-    private final FilamentVariantRepository variantRepo;
-    private final QuoteLineItemRepository quoteLineItemRepo;
-    private final OrderItemRepository orderItemRepo;
-
-    public AdminFilamentController(
-            FilamentMaterialTypeRepository materialRepo,
-            FilamentVariantRepository variantRepo,
-            QuoteLineItemRepository quoteLineItemRepo,
-            OrderItemRepository orderItemRepo
-    ) {
-        this.materialRepo = materialRepo;
-        this.variantRepo = variantRepo;
-        this.quoteLineItemRepo = quoteLineItemRepo;
-        this.orderItemRepo = orderItemRepo;
-    }
-
-    @GetMapping("/materials")
-    public ResponseEntity<List<AdminFilamentMaterialTypeDto>> getMaterials() {
-        List<AdminFilamentMaterialTypeDto> response = materialRepo.findAll().stream()
-                .sorted(Comparator.comparing(FilamentMaterialType::getMaterialCode, String.CASE_INSENSITIVE_ORDER))
-                .map(this::toMaterialDto)
-                .toList();
-        return ResponseEntity.ok(response);
-    }
-
-    @GetMapping("/variants")
-    public ResponseEntity<List<AdminFilamentVariantDto>> getVariants() {
-        List<AdminFilamentVariantDto> response = variantRepo.findAll().stream()
-                .sorted(Comparator
-                        .comparing((FilamentVariant v) -> {
-                            FilamentMaterialType type = v.getFilamentMaterialType();
-                            return type != null && type.getMaterialCode() != null ? type.getMaterialCode() : "";
-                        }, String.CASE_INSENSITIVE_ORDER)
-                        .thenComparing(v -> v.getVariantDisplayName() != null ? v.getVariantDisplayName() : "", String.CASE_INSENSITIVE_ORDER))
-                .map(this::toVariantDto)
-                .toList();
-        return ResponseEntity.ok(response);
-    }
-
-    @PostMapping("/materials")
-    @Transactional
-    public ResponseEntity<AdminFilamentMaterialTypeDto> createMaterial(
-            @RequestBody AdminUpsertFilamentMaterialTypeRequest payload
-    ) {
-        String materialCode = normalizeAndValidateMaterialCode(payload);
-        ensureMaterialCodeAvailable(materialCode, null);
-
-        FilamentMaterialType material = new FilamentMaterialType();
-        applyMaterialPayload(material, payload, materialCode);
-        FilamentMaterialType saved = materialRepo.save(material);
-        return ResponseEntity.ok(toMaterialDto(saved));
-    }
-
-    @PutMapping("/materials/{materialTypeId}")
-    @Transactional
-    public ResponseEntity<AdminFilamentMaterialTypeDto> updateMaterial(
-            @PathVariable Long materialTypeId,
-            @RequestBody AdminUpsertFilamentMaterialTypeRequest payload
-    ) {
-        FilamentMaterialType material = materialRepo.findById(materialTypeId)
-                .orElseThrow(() -> new ResponseStatusException(NOT_FOUND, "Filament material not found"));
-
-        String materialCode = normalizeAndValidateMaterialCode(payload);
-        ensureMaterialCodeAvailable(materialCode, materialTypeId);
-
-        applyMaterialPayload(material, payload, materialCode);
-        FilamentMaterialType saved = materialRepo.save(material);
-        return ResponseEntity.ok(toMaterialDto(saved));
-    }
-
-    @PostMapping("/variants")
-    @Transactional
-    public ResponseEntity<AdminFilamentVariantDto> createVariant(
-            @RequestBody AdminUpsertFilamentVariantRequest payload
-    ) {
-        FilamentMaterialType material = validateAndResolveMaterial(payload);
-        String normalizedDisplayName = normalizeAndValidateVariantDisplayName(payload.getVariantDisplayName());
-        String normalizedColorName = normalizeAndValidateColorName(payload.getColorName());
-        validateNumericPayload(payload);
-        ensureVariantDisplayNameAvailable(material, normalizedDisplayName, null);
-
-        FilamentVariant variant = new FilamentVariant();
-        variant.setCreatedAt(OffsetDateTime.now());
-        applyVariantPayload(variant, payload, material, normalizedDisplayName, normalizedColorName);
-        FilamentVariant saved = variantRepo.save(variant);
-        return ResponseEntity.ok(toVariantDto(saved));
-    }
-
-    @PutMapping("/variants/{variantId}")
-    @Transactional
-    public ResponseEntity<AdminFilamentVariantDto> updateVariant(
-            @PathVariable Long variantId,
-            @RequestBody AdminUpsertFilamentVariantRequest payload
-    ) {
-        FilamentVariant variant = variantRepo.findById(variantId)
-                .orElseThrow(() -> new ResponseStatusException(NOT_FOUND, "Filament variant not found"));
-
-        FilamentMaterialType material = validateAndResolveMaterial(payload);
-        String normalizedDisplayName = normalizeAndValidateVariantDisplayName(payload.getVariantDisplayName());
-        String normalizedColorName = normalizeAndValidateColorName(payload.getColorName());
-        validateNumericPayload(payload);
-        ensureVariantDisplayNameAvailable(material, normalizedDisplayName, variantId);
-
-        applyVariantPayload(variant, payload, material, normalizedDisplayName, normalizedColorName);
-        FilamentVariant saved = variantRepo.save(variant);
-        return ResponseEntity.ok(toVariantDto(saved));
-    }
-
-    @DeleteMapping("/variants/{variantId}")
-    @Transactional
-    public ResponseEntity<Void> deleteVariant(@PathVariable Long variantId) {
-        FilamentVariant variant = variantRepo.findById(variantId)
-                .orElseThrow(() -> new ResponseStatusException(NOT_FOUND, "Filament variant not found"));
-
-        if (quoteLineItemRepo.existsByFilamentVariant_Id(variantId) || orderItemRepo.existsByFilamentVariant_Id(variantId)) {
-            throw new ResponseStatusException(CONFLICT, "Variant is already used in quotes/orders and cannot be deleted");
-        }
-
-        variantRepo.delete(variant);
-        return ResponseEntity.noContent().build();
-    }
-
-    private void applyMaterialPayload(
-            FilamentMaterialType material,
-            AdminUpsertFilamentMaterialTypeRequest payload,
-            String normalizedMaterialCode
-    ) {
-        boolean isFlexible = payload != null && Boolean.TRUE.equals(payload.getIsFlexible());
-        boolean isTechnical = payload != null && Boolean.TRUE.equals(payload.getIsTechnical());
-        String technicalTypeLabel = payload != null && payload.getTechnicalTypeLabel() != null
-                ? payload.getTechnicalTypeLabel().trim()
-                : null;
-
-        material.setMaterialCode(normalizedMaterialCode);
-        material.setIsFlexible(isFlexible);
-        material.setIsTechnical(isTechnical);
-        material.setTechnicalTypeLabel(isTechnical && technicalTypeLabel != null && !technicalTypeLabel.isBlank()
-                ? technicalTypeLabel
-                : null);
-    }
-
-    private void applyVariantPayload(
-            FilamentVariant variant,
-            AdminUpsertFilamentVariantRequest payload,
-            FilamentMaterialType material,
-            String normalizedDisplayName,
-            String normalizedColorName
-    ) {
-        String normalizedColorHex = normalizeAndValidateColorHex(payload.getColorHex());
-        String normalizedFinishType = normalizeAndValidateFinishType(payload.getFinishType(), payload.getIsMatte());
-        String normalizedBrand = normalizeOptional(payload.getBrand());
-
-        variant.setFilamentMaterialType(material);
-        variant.setVariantDisplayName(normalizedDisplayName);
-        variant.setColorName(normalizedColorName);
-        variant.setColorHex(normalizedColorHex);
-        variant.setFinishType(normalizedFinishType);
-        variant.setBrand(normalizedBrand);
-        variant.setIsMatte(Boolean.TRUE.equals(payload.getIsMatte()) || "MATTE".equals(normalizedFinishType));
-        variant.setIsSpecial(Boolean.TRUE.equals(payload.getIsSpecial()));
-        variant.setCostChfPerKg(payload.getCostChfPerKg());
-        variant.setStockSpools(payload.getStockSpools());
-        variant.setSpoolNetKg(payload.getSpoolNetKg());
-        variant.setIsActive(payload.getIsActive() == null || payload.getIsActive());
-    }
-
-    private String normalizeAndValidateMaterialCode(AdminUpsertFilamentMaterialTypeRequest payload) {
-        if (payload == null || payload.getMaterialCode() == null || payload.getMaterialCode().isBlank()) {
-            throw new ResponseStatusException(BAD_REQUEST, "Material code is required");
-        }
-        return payload.getMaterialCode().trim().toUpperCase();
-    }
-
-    private String normalizeAndValidateVariantDisplayName(String value) {
-        if (value == null || value.isBlank()) {
-            throw new ResponseStatusException(BAD_REQUEST, "Variant display name is required");
-        }
-        return value.trim();
-    }
-
-    private String normalizeAndValidateColorName(String value) {
-        if (value == null || value.isBlank()) {
-            throw new ResponseStatusException(BAD_REQUEST, "Color name is required");
-        }
-        return value.trim();
-    }
-
-    private String normalizeAndValidateColorHex(String value) {
-        if (value == null || value.isBlank()) {
-            return null;
-        }
-        String normalized = value.trim();
-        if (!HEX_COLOR_PATTERN.matcher(normalized).matches()) {
-            throw new ResponseStatusException(BAD_REQUEST, "Color hex must be in format #RRGGBB");
-        }
-        return normalized.toUpperCase(Locale.ROOT);
-    }
-
-    private String normalizeAndValidateFinishType(String finishType, Boolean isMatte) {
-        String normalized = finishType == null || finishType.isBlank()
-                ? (Boolean.TRUE.equals(isMatte) ? "MATTE" : "GLOSSY")
-                : finishType.trim().toUpperCase(Locale.ROOT);
-        if (!ALLOWED_FINISH_TYPES.contains(normalized)) {
-            throw new ResponseStatusException(BAD_REQUEST, "Invalid finish type");
-        }
-        return normalized;
-    }
-
-    private String normalizeOptional(String value) {
-        if (value == null) {
-            return null;
-        }
-        String normalized = value.trim();
-        return normalized.isBlank() ? null : normalized;
-    }
-
-    private FilamentMaterialType validateAndResolveMaterial(AdminUpsertFilamentVariantRequest payload) {
-        if (payload == null || payload.getMaterialTypeId() == null) {
-            throw new ResponseStatusException(BAD_REQUEST, "Material type id is required");
-        }
-
-        return materialRepo.findById(payload.getMaterialTypeId())
-                .orElseThrow(() -> new ResponseStatusException(BAD_REQUEST, "Material type not found"));
-    }
-
-    private void validateNumericPayload(AdminUpsertFilamentVariantRequest payload) {
-        if (payload.getCostChfPerKg() == null || payload.getCostChfPerKg().compareTo(BigDecimal.ZERO) < 0) {
-            throw new ResponseStatusException(BAD_REQUEST, "Cost CHF/kg must be >= 0");
-        }
-        validateNumeric63(payload.getStockSpools(), "Stock spools", true);
-        validateNumeric63(payload.getSpoolNetKg(), "Spool net kg", false);
-    }
-
-    private void validateNumeric63(BigDecimal value, String fieldName, boolean allowZero) {
-        if (value == null) {
-            throw new ResponseStatusException(BAD_REQUEST, fieldName + " is required");
-        }
-
-        if (allowZero) {
-            if (value.compareTo(BigDecimal.ZERO) < 0) {
-                throw new ResponseStatusException(BAD_REQUEST, fieldName + " must be >= 0");
-            }
-        } else if (value.compareTo(BigDecimal.ZERO) <= 0) {
-            throw new ResponseStatusException(BAD_REQUEST, fieldName + " must be > 0");
-        }
-
-        if (value.scale() > 3) {
-            throw new ResponseStatusException(BAD_REQUEST, fieldName + " must have at most 3 decimal places");
-        }
-
-        if (value.compareTo(MAX_NUMERIC_6_3) > 0) {
-            throw new ResponseStatusException(BAD_REQUEST, fieldName + " must be <= 999.999");
-        }
-    }
-
-    private void ensureMaterialCodeAvailable(String materialCode, Long currentMaterialId) {
-        materialRepo.findByMaterialCode(materialCode).ifPresent(existing -> {
-            if (currentMaterialId == null || !existing.getId().equals(currentMaterialId)) {
-                throw new ResponseStatusException(BAD_REQUEST, "Material code already exists");
-            }
-        });
-    }
-
-    private void ensureVariantDisplayNameAvailable(FilamentMaterialType material, String displayName, Long currentVariantId) {
-        variantRepo.findByFilamentMaterialTypeAndVariantDisplayName(material, displayName).ifPresent(existing -> {
-            if (currentVariantId == null || !existing.getId().equals(currentVariantId)) {
-                throw new ResponseStatusException(BAD_REQUEST, "Variant display name already exists for this material");
-            }
-        });
-    }
-
-    private AdminFilamentMaterialTypeDto toMaterialDto(FilamentMaterialType material) {
-        AdminFilamentMaterialTypeDto dto = new AdminFilamentMaterialTypeDto();
-        dto.setId(material.getId());
-        dto.setMaterialCode(material.getMaterialCode());
-        dto.setIsFlexible(material.getIsFlexible());
-        dto.setIsTechnical(material.getIsTechnical());
-        dto.setTechnicalTypeLabel(material.getTechnicalTypeLabel());
-        return dto;
-    }
-
-    private AdminFilamentVariantDto toVariantDto(FilamentVariant variant) {
-        AdminFilamentVariantDto dto = new AdminFilamentVariantDto();
-        dto.setId(variant.getId());
-
-        FilamentMaterialType material = variant.getFilamentMaterialType();
-        if (material != null) {
-            dto.setMaterialTypeId(material.getId());
-            dto.setMaterialCode(material.getMaterialCode());
-            dto.setMaterialIsFlexible(material.getIsFlexible());
-            dto.setMaterialIsTechnical(material.getIsTechnical());
-            dto.setMaterialTechnicalTypeLabel(material.getTechnicalTypeLabel());
-        }
-
-        dto.setVariantDisplayName(variant.getVariantDisplayName());
-        dto.setColorName(variant.getColorName());
-        dto.setColorHex(variant.getColorHex());
-        dto.setFinishType(variant.getFinishType());
-        dto.setBrand(variant.getBrand());
-        dto.setIsMatte(variant.getIsMatte());
-        dto.setIsSpecial(variant.getIsSpecial());
-        dto.setCostChfPerKg(variant.getCostChfPerKg());
-        dto.setStockSpools(variant.getStockSpools());
-        dto.setSpoolNetKg(variant.getSpoolNetKg());
-        BigDecimal stockKg = BigDecimal.ZERO;
-        if (variant.getStockSpools() != null && variant.getSpoolNetKg() != null) {
-            stockKg = variant.getStockSpools().multiply(variant.getSpoolNetKg());
-        }
-        dto.setStockKg(stockKg);
-        dto.setStockFilamentGrams(stockKg.multiply(BigDecimal.valueOf(1000)));
-        dto.setIsActive(variant.getIsActive());
-        dto.setCreatedAt(variant.getCreatedAt());
-        return dto;
-    }
-}

backend/src/main/java/com/printcalculator/controller/admin/AdminOperationsController.java

@@ -1,372 +0,0 @@
-package com.printcalculator.controller.admin;
-
-import com.printcalculator.dto.AdminContactRequestDto;
-import com.printcalculator.dto.AdminContactRequestAttachmentDto;
-import com.printcalculator.dto.AdminContactRequestDetailDto;
-import com.printcalculator.dto.AdminFilamentStockDto;
-import com.printcalculator.dto.AdminQuoteSessionDto;
-import com.printcalculator.dto.AdminUpdateContactRequestStatusRequest;
-import com.printcalculator.entity.CustomQuoteRequest;
-import com.printcalculator.entity.CustomQuoteRequestAttachment;
-import com.printcalculator.entity.FilamentVariant;
-import com.printcalculator.entity.FilamentVariantStockKg;
-import com.printcalculator.entity.QuoteSession;
-import com.printcalculator.repository.CustomQuoteRequestAttachmentRepository;
-import com.printcalculator.repository.CustomQuoteRequestRepository;
-import com.printcalculator.repository.FilamentVariantRepository;
-import com.printcalculator.repository.FilamentVariantStockKgRepository;
-import com.printcalculator.repository.OrderRepository;
-import com.printcalculator.repository.QuoteSessionRepository;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.core.io.Resource;
-import org.springframework.core.io.UrlResource;
-import org.springframework.data.domain.Sort;
-import org.springframework.http.ContentDisposition;
-import org.springframework.http.HttpHeaders;
-import org.springframework.http.MediaType;
-import org.springframework.http.ResponseEntity;
-import org.springframework.transaction.annotation.Transactional;
-import org.springframework.web.bind.annotation.DeleteMapping;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PatchMapping;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
-import org.springframework.web.server.ResponseStatusException;
-
-import java.io.IOException;
-import java.io.UncheckedIOException;
-import java.math.BigDecimal;
-import java.net.MalformedURLException;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.time.OffsetDateTime;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
-import java.util.Locale;
-import java.util.Map;
-import java.util.Set;
-import java.util.UUID;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-
-import static org.springframework.http.HttpStatus.BAD_REQUEST;
-import static org.springframework.http.HttpStatus.CONFLICT;
-import static org.springframework.http.HttpStatus.INTERNAL_SERVER_ERROR;
-import static org.springframework.http.HttpStatus.NOT_FOUND;
-
-@RestController
-@RequestMapping("/api/admin")
-@Transactional(readOnly = true)
-public class AdminOperationsController {
-    private static final Logger logger = LoggerFactory.getLogger(AdminOperationsController.class);
-    private static final Path CONTACT_ATTACHMENTS_ROOT = Paths.get("storage_requests").toAbsolutePath().normalize();
-    private static final Set<String> CONTACT_REQUEST_ALLOWED_STATUSES = Set.of(
-            "NEW", "PENDING", "IN_PROGRESS", "DONE", "CLOSED"
-    );
-
-    private final FilamentVariantStockKgRepository filamentStockRepo;
-    private final FilamentVariantRepository filamentVariantRepo;
-    private final CustomQuoteRequestRepository customQuoteRequestRepo;
-    private final CustomQuoteRequestAttachmentRepository customQuoteRequestAttachmentRepo;
-    private final QuoteSessionRepository quoteSessionRepo;
-    private final OrderRepository orderRepo;
-
-    public AdminOperationsController(
-            FilamentVariantStockKgRepository filamentStockRepo,
-            FilamentVariantRepository filamentVariantRepo,
-            CustomQuoteRequestRepository customQuoteRequestRepo,
-            CustomQuoteRequestAttachmentRepository customQuoteRequestAttachmentRepo,
-            QuoteSessionRepository quoteSessionRepo,
-            OrderRepository orderRepo
-    ) {
-        this.filamentStockRepo = filamentStockRepo;
-        this.filamentVariantRepo = filamentVariantRepo;
-        this.customQuoteRequestRepo = customQuoteRequestRepo;
-        this.customQuoteRequestAttachmentRepo = customQuoteRequestAttachmentRepo;
-        this.quoteSessionRepo = quoteSessionRepo;
-        this.orderRepo = orderRepo;
-    }
-
-    @GetMapping("/filament-stock")
-    public ResponseEntity<List<AdminFilamentStockDto>> getFilamentStock() {
-        List<FilamentVariantStockKg> stocks = filamentStockRepo.findAll(Sort.by(Sort.Direction.ASC, "stockKg"));
-        Set<Long> variantIds = stocks.stream()
-                .map(FilamentVariantStockKg::getFilamentVariantId)
-                .collect(Collectors.toSet());
-
-        Map<Long, FilamentVariant> variantsById;
-        if (variantIds.isEmpty()) {
-            variantsById = Collections.emptyMap();
-        } else {
-            variantsById = filamentVariantRepo.findAllById(variantIds).stream()
-                    .collect(Collectors.toMap(FilamentVariant::getId, variant -> variant));
-        }
-
-        List<AdminFilamentStockDto> response = stocks.stream().map(stock -> {
-            FilamentVariant variant = variantsById.get(stock.getFilamentVariantId());
-            AdminFilamentStockDto dto = new AdminFilamentStockDto();
-            dto.setFilamentVariantId(stock.getFilamentVariantId());
-            dto.setStockSpools(stock.getStockSpools());
-            dto.setSpoolNetKg(stock.getSpoolNetKg());
-            dto.setStockKg(stock.getStockKg());
-            BigDecimal grams = stock.getStockKg() != null
-                    ? stock.getStockKg().multiply(BigDecimal.valueOf(1000))
-                    : BigDecimal.ZERO;
-            dto.setStockFilamentGrams(grams);
-
-            if (variant != null) {
-                dto.setMaterialCode(
-                        variant.getFilamentMaterialType() != null
-                                ? variant.getFilamentMaterialType().getMaterialCode()
-                                : "UNKNOWN"
-                );
-                dto.setVariantDisplayName(variant.getVariantDisplayName());
-                dto.setColorName(variant.getColorName());
-                dto.setActive(variant.getIsActive());
-            } else {
-                dto.setMaterialCode("UNKNOWN");
-                dto.setVariantDisplayName("Variant " + stock.getFilamentVariantId());
-                dto.setColorName("-");
-                dto.setActive(false);
-            }
-
-            return dto;
-        }).toList();
-
-        return ResponseEntity.ok(response);
-    }
-
-    @GetMapping("/contact-requests")
-    public ResponseEntity<List<AdminContactRequestDto>> getContactRequests() {
-        List<AdminContactRequestDto> response = customQuoteRequestRepo.findAll(
-                        Sort.by(Sort.Direction.DESC, "createdAt")
-                )
-                .stream()
-                .map(this::toContactRequestDto)
-                .toList();
-
-        return ResponseEntity.ok(response);
-    }
-
-    @GetMapping("/contact-requests/{requestId}")
-    public ResponseEntity<AdminContactRequestDetailDto> getContactRequestDetail(@PathVariable UUID requestId) {
-        CustomQuoteRequest request = customQuoteRequestRepo.findById(requestId)
-                .orElseThrow(() -> new ResponseStatusException(NOT_FOUND, "Contact request not found"));
-
-        List<AdminContactRequestAttachmentDto> attachments = customQuoteRequestAttachmentRepo
-                .findByRequest_IdOrderByCreatedAtAsc(requestId)
-                .stream()
-                .map(this::toContactRequestAttachmentDto)
-                .toList();
-
-        return ResponseEntity.ok(toContactRequestDetailDto(request, attachments));
-    }
-
-    @PatchMapping("/contact-requests/{requestId}/status")
-    @Transactional
-    public ResponseEntity<AdminContactRequestDetailDto> updateContactRequestStatus(
-            @PathVariable UUID requestId,
-            @RequestBody AdminUpdateContactRequestStatusRequest payload
-    ) {
-        CustomQuoteRequest request = customQuoteRequestRepo.findById(requestId)
-                .orElseThrow(() -> new ResponseStatusException(NOT_FOUND, "Contact request not found"));
-
-        String requestedStatus = payload != null && payload.getStatus() != null
-                ? payload.getStatus().trim().toUpperCase(Locale.ROOT)
-                : "";
-
-        if (!CONTACT_REQUEST_ALLOWED_STATUSES.contains(requestedStatus)) {
-            throw new ResponseStatusException(
-                    BAD_REQUEST,
-                    "Invalid status. Allowed: " + String.join(", ", CONTACT_REQUEST_ALLOWED_STATUSES)
-            );
-        }
-
-        request.setStatus(requestedStatus);
-        request.setUpdatedAt(OffsetDateTime.now());
-        CustomQuoteRequest saved = customQuoteRequestRepo.save(request);
-
-        List<AdminContactRequestAttachmentDto> attachments = customQuoteRequestAttachmentRepo
-                .findByRequest_IdOrderByCreatedAtAsc(requestId)
-                .stream()
-                .map(this::toContactRequestAttachmentDto)
-                .toList();
-
-        return ResponseEntity.ok(toContactRequestDetailDto(saved, attachments));
-    }
-
-    @GetMapping("/contact-requests/{requestId}/attachments/{attachmentId}/file")
-    public ResponseEntity<Resource> downloadContactRequestAttachment(
-            @PathVariable UUID requestId,
-            @PathVariable UUID attachmentId
-    ) {
-        CustomQuoteRequestAttachment attachment = customQuoteRequestAttachmentRepo.findById(attachmentId)
-                .orElseThrow(() -> new ResponseStatusException(NOT_FOUND, "Attachment not found"));
-
-        if (!attachment.getRequest().getId().equals(requestId)) {
-            throw new ResponseStatusException(NOT_FOUND, "Attachment not found for request");
-        }
-
-        String relativePath = attachment.getStoredRelativePath();
-        if (relativePath == null || relativePath.isBlank() || "PENDING".equals(relativePath)) {
-            throw new ResponseStatusException(NOT_FOUND, "Attachment file not available");
-        }
-
-        String expectedPrefix = "quote-requests/" + requestId + "/attachments/" + attachmentId + "/";
-        if (!relativePath.startsWith(expectedPrefix)) {
-            throw new ResponseStatusException(NOT_FOUND, "Attachment file not available");
-        }
-
-        Path filePath = CONTACT_ATTACHMENTS_ROOT.resolve(relativePath).normalize();
-        if (!filePath.startsWith(CONTACT_ATTACHMENTS_ROOT)) {
-            throw new ResponseStatusException(NOT_FOUND, "Attachment file not available");
-        }
-
-        if (!Files.exists(filePath)) {
-            throw new ResponseStatusException(NOT_FOUND, "Attachment file not available");
-        }
-
-        try {
-            Resource resource = new UrlResource(filePath.toUri());
-            if (!resource.exists() || !resource.isReadable()) {
-                throw new ResponseStatusException(NOT_FOUND, "Attachment file not available");
-            }
-
-            MediaType mediaType = MediaType.APPLICATION_OCTET_STREAM;
-            String mimeType = attachment.getMimeType();
-            if (mimeType != null && !mimeType.isBlank()) {
-                try {
-                    mediaType = MediaType.parseMediaType(mimeType);
-                } catch (Exception ignored) {
-                    mediaType = MediaType.APPLICATION_OCTET_STREAM;
-                }
-            }
-
-            String filename = attachment.getOriginalFilename();
-            if (filename == null || filename.isBlank()) {
-                filename = attachment.getStoredFilename() != null && !attachment.getStoredFilename().isBlank()
-                        ? attachment.getStoredFilename()
-                        : "attachment-" + attachmentId;
-            }
-
-            return ResponseEntity.ok()
-                    .contentType(mediaType)
-                    .header(HttpHeaders.CONTENT_DISPOSITION, ContentDisposition.attachment()
-                            .filename(filename, StandardCharsets.UTF_8)
-                            .build()
-                            .toString())
-                    .body(resource);
-        } catch (MalformedURLException e) {
-            throw new ResponseStatusException(NOT_FOUND, "Attachment file not available");
-        }
-    }
-
-    @GetMapping("/sessions")
-    public ResponseEntity<List<AdminQuoteSessionDto>> getQuoteSessions() {
-        List<AdminQuoteSessionDto> response = quoteSessionRepo.findAll(
-                        Sort.by(Sort.Direction.DESC, "createdAt")
-                )
-                .stream()
-                .map(this::toQuoteSessionDto)
-                .toList();
-
-        return ResponseEntity.ok(response);
-    }
-
-    @DeleteMapping("/sessions/{sessionId}")
-    @Transactional
-    public ResponseEntity<Void> deleteQuoteSession(@PathVariable UUID sessionId) {
-        QuoteSession session = quoteSessionRepo.findById(sessionId)
-                .orElseThrow(() -> new ResponseStatusException(NOT_FOUND, "Session not found"));
-
-        if (orderRepo.existsBySourceQuoteSession_Id(sessionId)) {
-            throw new ResponseStatusException(CONFLICT, "Cannot delete session already linked to an order");
-        }
-
-        deleteSessionFiles(sessionId);
-        quoteSessionRepo.delete(session);
-        return ResponseEntity.noContent().build();
-    }
-
-    private AdminContactRequestDto toContactRequestDto(CustomQuoteRequest request) {
-        AdminContactRequestDto dto = new AdminContactRequestDto();
-        dto.setId(request.getId());
-        dto.setRequestType(request.getRequestType());
-        dto.setCustomerType(request.getCustomerType());
-        dto.setEmail(request.getEmail());
-        dto.setPhone(request.getPhone());
-        dto.setName(request.getName());
-        dto.setCompanyName(request.getCompanyName());
-        dto.setStatus(request.getStatus());
-        dto.setCreatedAt(request.getCreatedAt());
-        return dto;
-    }
-
-    private AdminContactRequestAttachmentDto toContactRequestAttachmentDto(CustomQuoteRequestAttachment attachment) {
-        AdminContactRequestAttachmentDto dto = new AdminContactRequestAttachmentDto();
-        dto.setId(attachment.getId());
-        dto.setOriginalFilename(attachment.getOriginalFilename());
-        dto.setMimeType(attachment.getMimeType());
-        dto.setFileSizeBytes(attachment.getFileSizeBytes());
-        dto.setCreatedAt(attachment.getCreatedAt());
-        return dto;
-    }
-
-    private AdminContactRequestDetailDto toContactRequestDetailDto(
-            CustomQuoteRequest request,
-            List<AdminContactRequestAttachmentDto> attachments
-    ) {
-        AdminContactRequestDetailDto dto = new AdminContactRequestDetailDto();
-        dto.setId(request.getId());
-        dto.setRequestType(request.getRequestType());
-        dto.setCustomerType(request.getCustomerType());
-        dto.setEmail(request.getEmail());
-        dto.setPhone(request.getPhone());
-        dto.setName(request.getName());
-        dto.setCompanyName(request.getCompanyName());
-        dto.setContactPerson(request.getContactPerson());
-        dto.setMessage(request.getMessage());
-        dto.setStatus(request.getStatus());
-        dto.setCreatedAt(request.getCreatedAt());
-        dto.setUpdatedAt(request.getUpdatedAt());
-        dto.setAttachments(attachments);
-        return dto;
-    }
-
-    private AdminQuoteSessionDto toQuoteSessionDto(QuoteSession session) {
-        AdminQuoteSessionDto dto = new AdminQuoteSessionDto();
-        dto.setId(session.getId());
-        dto.setStatus(session.getStatus());
-        dto.setMaterialCode(session.getMaterialCode());
-        dto.setCreatedAt(session.getCreatedAt());
-        dto.setExpiresAt(session.getExpiresAt());
-        dto.setConvertedOrderId(session.getConvertedOrderId());
-        return dto;
-    }
-
-    private void deleteSessionFiles(UUID sessionId) {
-        Path sessionDir = Paths.get("storage_quotes", sessionId.toString());
-        if (!Files.exists(sessionDir)) {
-            return;
-        }
-
-        try (Stream<Path> walk = Files.walk(sessionDir)) {
-            walk.sorted(Comparator.reverseOrder()).forEach(path -> {
-                try {
-                    Files.deleteIfExists(path);
-                } catch (IOException e) {
-                    throw new UncheckedIOException(e);
-                }
-            });
-        } catch (IOException | UncheckedIOException e) {
-            logger.error("Failed to delete files for session {}", sessionId, e);
-            throw new ResponseStatusException(INTERNAL_SERVER_ERROR, "Unable to delete session files");
-        }
-    }
-}

backend/src/main/java/com/printcalculator/controller/admin/AdminOrderController.java

@@ -1,327 +0,0 @@
-package com.printcalculator.controller.admin;
-
-import com.printcalculator.dto.AddressDto;
-import com.printcalculator.dto.AdminOrderStatusUpdateRequest;
-import com.printcalculator.dto.OrderDto;
-import com.printcalculator.dto.OrderItemDto;
-import com.printcalculator.entity.Order;
-import com.printcalculator.entity.OrderItem;
-import com.printcalculator.entity.Payment;
-import com.printcalculator.entity.QuoteSession;
-import com.printcalculator.repository.OrderItemRepository;
-import com.printcalculator.repository.OrderRepository;
-import com.printcalculator.repository.PaymentRepository;
-import com.printcalculator.service.InvoicePdfRenderingService;
-import com.printcalculator.service.PaymentService;
-import com.printcalculator.service.QrBillService;
-import com.printcalculator.service.StorageService;
-import org.springframework.core.io.Resource;
-import org.springframework.http.ContentDisposition;
-import org.springframework.http.HttpHeaders;
-import org.springframework.http.MediaType;
-import org.springframework.http.ResponseEntity;
-import org.springframework.transaction.annotation.Transactional;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
-import org.springframework.web.server.ResponseStatusException;
-
-import java.nio.charset.StandardCharsets;
-import java.nio.file.InvalidPathException;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.util.List;
-import java.util.Locale;
-import java.util.Map;
-import java.util.UUID;
-
-import static org.springframework.http.HttpStatus.BAD_REQUEST;
-import static org.springframework.http.HttpStatus.NOT_FOUND;
-
-@RestController
-@RequestMapping("/api/admin/orders")
-@Transactional(readOnly = true)
-public class AdminOrderController {
-    private static final List<String> ALLOWED_ORDER_STATUSES = List.of(
-            "PENDING_PAYMENT",
-            "PAID",
-            "IN_PRODUCTION",
-            "SHIPPED",
-            "COMPLETED",
-            "CANCELLED"
-    );
-
-    private final OrderRepository orderRepo;
-    private final OrderItemRepository orderItemRepo;
-    private final PaymentRepository paymentRepo;
-    private final PaymentService paymentService;
-    private final StorageService storageService;
-    private final InvoicePdfRenderingService invoiceService;
-    private final QrBillService qrBillService;
-
-    public AdminOrderController(
-            OrderRepository orderRepo,
-            OrderItemRepository orderItemRepo,
-            PaymentRepository paymentRepo,
-            PaymentService paymentService,
-            StorageService storageService,
-            InvoicePdfRenderingService invoiceService,
-            QrBillService qrBillService
-    ) {
-        this.orderRepo = orderRepo;
-        this.orderItemRepo = orderItemRepo;
-        this.paymentRepo = paymentRepo;
-        this.paymentService = paymentService;
-        this.storageService = storageService;
-        this.invoiceService = invoiceService;
-        this.qrBillService = qrBillService;
-    }
-
-    @GetMapping
-    public ResponseEntity<List<OrderDto>> listOrders() {
-        List<OrderDto> response = orderRepo.findAllByOrderByCreatedAtDesc()
-                .stream()
-                .map(this::toOrderDto)
-                .toList();
-        return ResponseEntity.ok(response);
-    }
-
-    @GetMapping("/{orderId}")
-    public ResponseEntity<OrderDto> getOrder(@PathVariable UUID orderId) {
-        return ResponseEntity.ok(toOrderDto(getOrderOrThrow(orderId)));
-    }
-
-    @PostMapping("/{orderId}/payments/confirm")
-    @Transactional
-    public ResponseEntity<OrderDto> confirmPayment(
-            @PathVariable UUID orderId,
-            @RequestBody(required = false) Map<String, String> payload
-    ) {
-        getOrderOrThrow(orderId);
-        String method = payload != null ? payload.get("method") : null;
-        paymentService.confirmPayment(orderId, method);
-        return ResponseEntity.ok(toOrderDto(getOrderOrThrow(orderId)));
-    }
-
-    @PostMapping("/{orderId}/status")
-    @Transactional
-    public ResponseEntity<OrderDto> updateOrderStatus(
-            @PathVariable UUID orderId,
-            @RequestBody AdminOrderStatusUpdateRequest payload
-    ) {
-        if (payload == null || payload.getStatus() == null || payload.getStatus().isBlank()) {
-            throw new ResponseStatusException(org.springframework.http.HttpStatus.BAD_REQUEST, "Status is required");
-        }
-
-        Order order = getOrderOrThrow(orderId);
-        String normalizedStatus = payload.getStatus().trim().toUpperCase(Locale.ROOT);
-        if (!ALLOWED_ORDER_STATUSES.contains(normalizedStatus)) {
-            throw new ResponseStatusException(
-                    BAD_REQUEST,
-                    "Invalid order status. Allowed values: " + String.join(", ", ALLOWED_ORDER_STATUSES)
-            );
-        }
-        order.setStatus(normalizedStatus);
-        orderRepo.save(order);
-
-        return ResponseEntity.ok(toOrderDto(order));
-    }
-
-    @GetMapping("/{orderId}/items/{orderItemId}/file")
-    public ResponseEntity<Resource> downloadOrderItemFile(
-            @PathVariable UUID orderId,
-            @PathVariable UUID orderItemId
-    ) {
-        OrderItem item = orderItemRepo.findById(orderItemId)
-                .orElseThrow(() -> new ResponseStatusException(NOT_FOUND, "Order item not found"));
-
-        if (!item.getOrder().getId().equals(orderId)) {
-            throw new ResponseStatusException(NOT_FOUND, "Order item not found for order");
-        }
-
-        String relativePath = item.getStoredRelativePath();
-        if (relativePath == null || relativePath.isBlank() || "PENDING".equals(relativePath)) {
-            throw new ResponseStatusException(NOT_FOUND, "File not available");
-        }
-        Path safeRelativePath = resolveOrderItemRelativePath(relativePath, orderId, orderItemId);
-        if (safeRelativePath == null) {
-            throw new ResponseStatusException(NOT_FOUND, "File not available");
-        }
-
-        try {
-            Resource resource = storageService.loadAsResource(safeRelativePath);
-            MediaType contentType = MediaType.APPLICATION_OCTET_STREAM;
-            if (item.getMimeType() != null && !item.getMimeType().isBlank()) {
-                try {
-                    contentType = MediaType.parseMediaType(item.getMimeType());
-                } catch (Exception ignored) {
-                    contentType = MediaType.APPLICATION_OCTET_STREAM;
-                }
-            }
-
-            String filename = item.getOriginalFilename() != null && !item.getOriginalFilename().isBlank()
-                    ? item.getOriginalFilename()
-                    : "order-item-" + orderItemId;
-
-            return ResponseEntity.ok()
-                    .contentType(contentType)
-                    .header(HttpHeaders.CONTENT_DISPOSITION, ContentDisposition.attachment()
-                            .filename(filename, StandardCharsets.UTF_8)
-                            .build()
-                            .toString())
-                    .body(resource);
-        } catch (Exception e) {
-            throw new ResponseStatusException(NOT_FOUND, "File not available");
-        }
-    }
-
-    @GetMapping("/{orderId}/documents/confirmation")
-    public ResponseEntity<byte[]> downloadOrderConfirmation(@PathVariable UUID orderId) {
-        return generateDocument(getOrderOrThrow(orderId), true);
-    }
-
-    @GetMapping("/{orderId}/documents/invoice")
-    public ResponseEntity<byte[]> downloadOrderInvoice(@PathVariable UUID orderId) {
-        return generateDocument(getOrderOrThrow(orderId), false);
-    }
-
-    private Order getOrderOrThrow(UUID orderId) {
-        return orderRepo.findById(orderId)
-                .orElseThrow(() -> new ResponseStatusException(NOT_FOUND, "Order not found"));
-    }
-
-    private OrderDto toOrderDto(Order order) {
-        List<OrderItem> items = orderItemRepo.findByOrder_Id(order.getId());
-        OrderDto dto = new OrderDto();
-        dto.setId(order.getId());
-        dto.setOrderNumber(getDisplayOrderNumber(order));
-        dto.setStatus(order.getStatus());
-
-        paymentRepo.findByOrder_Id(order.getId()).ifPresent(p -> {
-            dto.setPaymentStatus(p.getStatus());
-            dto.setPaymentMethod(p.getMethod());
-        });
-
-        dto.setCustomerEmail(order.getCustomerEmail());
-        dto.setCustomerPhone(order.getCustomerPhone());
-        dto.setPreferredLanguage(order.getPreferredLanguage());
-        dto.setBillingCustomerType(order.getBillingCustomerType());
-        dto.setCurrency(order.getCurrency());
-        dto.setSetupCostChf(order.getSetupCostChf());
-        dto.setShippingCostChf(order.getShippingCostChf());
-        dto.setDiscountChf(order.getDiscountChf());
-        dto.setSubtotalChf(order.getSubtotalChf());
-        dto.setTotalChf(order.getTotalChf());
-        dto.setCreatedAt(order.getCreatedAt());
-        dto.setShippingSameAsBilling(order.getShippingSameAsBilling());
-        QuoteSession sourceSession = order.getSourceQuoteSession();
-        if (sourceSession != null) {
-            dto.setPrintMaterialCode(sourceSession.getMaterialCode());
-            dto.setPrintNozzleDiameterMm(sourceSession.getNozzleDiameterMm());
-            dto.setPrintLayerHeightMm(sourceSession.getLayerHeightMm());
-            dto.setPrintInfillPattern(sourceSession.getInfillPattern());
-            dto.setPrintInfillPercent(sourceSession.getInfillPercent());
-            dto.setPrintSupportsEnabled(sourceSession.getSupportsEnabled());
-        }
-
-        AddressDto billing = new AddressDto();
-        billing.setFirstName(order.getBillingFirstName());
-        billing.setLastName(order.getBillingLastName());
-        billing.setCompanyName(order.getBillingCompanyName());
-        billing.setContactPerson(order.getBillingContactPerson());
-        billing.setAddressLine1(order.getBillingAddressLine1());
-        billing.setAddressLine2(order.getBillingAddressLine2());
-        billing.setZip(order.getBillingZip());
-        billing.setCity(order.getBillingCity());
-        billing.setCountryCode(order.getBillingCountryCode());
-        dto.setBillingAddress(billing);
-
-        if (!Boolean.TRUE.equals(order.getShippingSameAsBilling())) {
-            AddressDto shipping = new AddressDto();
-            shipping.setFirstName(order.getShippingFirstName());
-            shipping.setLastName(order.getShippingLastName());
-            shipping.setCompanyName(order.getShippingCompanyName());
-            shipping.setContactPerson(order.getShippingContactPerson());
-            shipping.setAddressLine1(order.getShippingAddressLine1());
-            shipping.setAddressLine2(order.getShippingAddressLine2());
-            shipping.setZip(order.getShippingZip());
-            shipping.setCity(order.getShippingCity());
-            shipping.setCountryCode(order.getShippingCountryCode());
-            dto.setShippingAddress(shipping);
-        }
-
-        List<OrderItemDto> itemDtos = items.stream().map(i -> {
-            OrderItemDto idto = new OrderItemDto();
-            idto.setId(i.getId());
-            idto.setOriginalFilename(i.getOriginalFilename());
-            idto.setMaterialCode(i.getMaterialCode());
-            idto.setColorCode(i.getColorCode());
-            idto.setQuantity(i.getQuantity());
-            idto.setPrintTimeSeconds(i.getPrintTimeSeconds());
-            idto.setMaterialGrams(i.getMaterialGrams());
-            idto.setUnitPriceChf(i.getUnitPriceChf());
-            idto.setLineTotalChf(i.getLineTotalChf());
-            return idto;
-        }).toList();
-        dto.setItems(itemDtos);
-
-        return dto;
-    }
-
-    private String getDisplayOrderNumber(Order order) {
-        String orderNumber = order.getOrderNumber();
-        if (orderNumber != null && !orderNumber.isBlank()) {
-            return orderNumber;
-        }
-        return order.getId() != null ? order.getId().toString() : "unknown";
-    }
-
-    private ResponseEntity<byte[]> generateDocument(Order order, boolean isConfirmation) {
-        String displayOrderNumber = getDisplayOrderNumber(order);
-        if (isConfirmation) {
-            Path relativePath = buildConfirmationPdfRelativePath(order.getId(), displayOrderNumber);
-            try {
-                byte[] existingPdf = storageService.loadAsResource(relativePath).getInputStream().readAllBytes();
-                return ResponseEntity.ok()
-                        .header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"confirmation-" + displayOrderNumber + ".pdf\"")
-                        .contentType(MediaType.APPLICATION_PDF)
-                        .body(existingPdf);
-            } catch (Exception ignored) {
-                // fallback to generated confirmation document
-            }
-        }
-
-        List<OrderItem> items = orderItemRepo.findByOrder_Id(order.getId());
-        Payment payment = paymentRepo.findByOrder_Id(order.getId()).orElse(null);
-        byte[] pdf = invoiceService.generateDocumentPdf(order, items, isConfirmation, qrBillService, payment);
-
-        String prefix = isConfirmation ? "confirmation-" : "invoice-";
-        return ResponseEntity.ok()
-                .header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=\"" + prefix + displayOrderNumber + ".pdf\"")
-                .contentType(MediaType.APPLICATION_PDF)
-                .body(pdf);
-    }
-
-    private Path resolveOrderItemRelativePath(String storedRelativePath, UUID orderId, UUID orderItemId) {
-        try {
-            Path candidate = Path.of(storedRelativePath).normalize();
-            if (candidate.isAbsolute()) {
-                return null;
-            }
-            Path expectedPrefix = Path.of("orders", orderId.toString(), "3d-files", orderItemId.toString());
-            if (!candidate.startsWith(expectedPrefix)) {
-                return null;
-            }
-            return candidate;
-        } catch (InvalidPathException e) {
-            return null;
-        }
-    }
-
-    private Path buildConfirmationPdfRelativePath(UUID orderId, String orderNumber) {
-        return Path.of("orders", orderId.toString(), "documents", "confirmation-" + orderNumber + ".pdf");
-    }
-}

backend/src/main/java/com/printcalculator/dto/AdminContactRequestAttachmentDto.java

@@ -1,52 +0,0 @@
-package com.printcalculator.dto;
-
-import java.time.OffsetDateTime;
-import java.util.UUID;
-
-public class AdminContactRequestAttachmentDto {
-    private UUID id;
-    private String originalFilename;
-    private String mimeType;
-    private Long fileSizeBytes;
-    private OffsetDateTime createdAt;
-
-    public UUID getId() {
-        return id;
-    }
-
-    public void setId(UUID id) {
-        this.id = id;
-    }
-
-    public String getOriginalFilename() {
-        return originalFilename;
-    }
-
-    public void setOriginalFilename(String originalFilename) {
-        this.originalFilename = originalFilename;
-    }
-
-    public String getMimeType() {
-        return mimeType;
-    }
-
-    public void setMimeType(String mimeType) {
-        this.mimeType = mimeType;
-    }
-
-    public Long getFileSizeBytes() {
-        return fileSizeBytes;
-    }
-
-    public void setFileSizeBytes(Long fileSizeBytes) {
-        this.fileSizeBytes = fileSizeBytes;
-    }
-
-    public OffsetDateTime getCreatedAt() {
-        return createdAt;
-    }
-
-    public void setCreatedAt(OffsetDateTime createdAt) {
-        this.createdAt = createdAt;
-    }
-}

backend/src/main/java/com/printcalculator/dto/AdminContactRequestDetailDto.java

@@ -1,125 +0,0 @@
-package com.printcalculator.dto;
-
-import java.time.OffsetDateTime;
-import java.util.List;
-import java.util.UUID;
-
-public class AdminContactRequestDetailDto {
-    private UUID id;
-    private String requestType;
-    private String customerType;
-    private String email;
-    private String phone;
-    private String name;
-    private String companyName;
-    private String contactPerson;
-    private String message;
-    private String status;
-    private OffsetDateTime createdAt;
-    private OffsetDateTime updatedAt;
-    private List<AdminContactRequestAttachmentDto> attachments;
-
-    public UUID getId() {
-        return id;
-    }
-
-    public void setId(UUID id) {
-        this.id = id;
-    }
-
-    public String getRequestType() {
-        return requestType;
-    }
-
-    public void setRequestType(String requestType) {
-        this.requestType = requestType;
-    }
-
-    public String getCustomerType() {
-        return customerType;
-    }
-
-    public void setCustomerType(String customerType) {
-        this.customerType = customerType;
-    }
-
-    public String getEmail() {
-        return email;
-    }
-
-    public void setEmail(String email) {
-        this.email = email;
-    }
-
-    public String getPhone() {
-        return phone;
-    }
-
-    public void setPhone(String phone) {
-        this.phone = phone;
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public void setName(String name) {
-        this.name = name;
-    }
-
-    public String getCompanyName() {
-        return companyName;
-    }
-
-    public void setCompanyName(String companyName) {
-        this.companyName = companyName;
-    }
-
-    public String getContactPerson() {
-        return contactPerson;
-    }
-
-    public void setContactPerson(String contactPerson) {
-        this.contactPerson = contactPerson;
-    }
-
-    public String getMessage() {
-        return message;
-    }
-
-    public void setMessage(String message) {
-        this.message = message;
-    }
-
-    public String getStatus() {
-        return status;
-    }
-
-    public void setStatus(String status) {
-        this.status = status;
-    }
-
-    public OffsetDateTime getCreatedAt() {
-        return createdAt;
-    }
-
-    public void setCreatedAt(OffsetDateTime createdAt) {
-        this.createdAt = createdAt;
-    }
-
-    public OffsetDateTime getUpdatedAt() {
-        return updatedAt;
-    }
-
-    public void setUpdatedAt(OffsetDateTime updatedAt) {
-        this.updatedAt = updatedAt;
-    }
-
-    public List<AdminContactRequestAttachmentDto> getAttachments() {
-        return attachments;
-    }
-
-    public void setAttachments(List<AdminContactRequestAttachmentDto> attachments) {
-        this.attachments = attachments;
-    }
-}

backend/src/main/java/com/printcalculator/dto/AdminContactRequestDto.java

@@ -1,88 +0,0 @@
-package com.printcalculator.dto;
-
-import java.time.OffsetDateTime;
-import java.util.UUID;
-
-public class AdminContactRequestDto {
-    private UUID id;
-    private String requestType;
-    private String customerType;
-    private String email;
-    private String phone;
-    private String name;
-    private String companyName;
-    private String status;
-    private OffsetDateTime createdAt;
-
-    public UUID getId() {
-        return id;
-    }
-
-    public void setId(UUID id) {
-        this.id = id;
-    }
-
-    public String getRequestType() {
-        return requestType;
-    }
-
-    public void setRequestType(String requestType) {
-        this.requestType = requestType;
-    }
-
-    public String getCustomerType() {
-        return customerType;
-    }
-
-    public void setCustomerType(String customerType) {
-        this.customerType = customerType;
-    }
-
-    public String getEmail() {
-        return email;
-    }
-
-    public void setEmail(String email) {
-        this.email = email;
-    }
-
-    public String getPhone() {
-        return phone;
-    }
-
-    public void setPhone(String phone) {
-        this.phone = phone;
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public void setName(String name) {
-        this.name = name;
-    }
-
-    public String getCompanyName() {
-        return companyName;
-    }
-
-    public void setCompanyName(String companyName) {
-        this.companyName = companyName;
-    }
-
-    public String getStatus() {
-        return status;
-    }
-
-    public void setStatus(String status) {
-        this.status = status;
-    }
-
-    public OffsetDateTime getCreatedAt() {
-        return createdAt;
-    }
-
-    public void setCreatedAt(OffsetDateTime createdAt) {
-        this.createdAt = createdAt;
-    }
-}

backend/src/main/java/com/printcalculator/dto/AdminFilamentMaterialTypeDto.java

@@ -1,49 +0,0 @@
-package com.printcalculator.dto;
-
-public class AdminFilamentMaterialTypeDto {
-    private Long id;
-    private String materialCode;
-    private Boolean isFlexible;
-    private Boolean isTechnical;
-    private String technicalTypeLabel;
-
-    public Long getId() {
-        return id;
-    }
-
-    public void setId(Long id) {
-        this.id = id;
-    }
-
-    public String getMaterialCode() {
-        return materialCode;
-    }
-
-    public void setMaterialCode(String materialCode) {
-        this.materialCode = materialCode;
-    }
-
-    public Boolean getIsFlexible() {
-        return isFlexible;
-    }
-
-    public void setIsFlexible(Boolean isFlexible) {
-        this.isFlexible = isFlexible;
-    }
-
-    public Boolean getIsTechnical() {
-        return isTechnical;
-    }
-
-    public void setIsTechnical(Boolean isTechnical) {
-        this.isTechnical = isTechnical;
-    }
-
-    public String getTechnicalTypeLabel() {
-        return technicalTypeLabel;
-    }
-
-    public void setTechnicalTypeLabel(String technicalTypeLabel) {
-        this.technicalTypeLabel = technicalTypeLabel;
-    }
-}

backend/src/main/java/com/printcalculator/dto/AdminFilamentStockDto.java

@@ -1,87 +0,0 @@
-package com.printcalculator.dto;
-
-import java.math.BigDecimal;
-
-public class AdminFilamentStockDto {
-    private Long filamentVariantId;
-    private String materialCode;
-    private String variantDisplayName;
-    private String colorName;
-    private BigDecimal stockSpools;
-    private BigDecimal spoolNetKg;
-    private BigDecimal stockKg;
-    private BigDecimal stockFilamentGrams;
-    private Boolean active;
-
-    public Long getFilamentVariantId() {
-        return filamentVariantId;
-    }
-
-    public void setFilamentVariantId(Long filamentVariantId) {
-        this.filamentVariantId = filamentVariantId;
-    }
-
-    public String getMaterialCode() {
-        return materialCode;
-    }
-
-    public void setMaterialCode(String materialCode) {
-        this.materialCode = materialCode;
-    }
-
-    public String getVariantDisplayName() {
-        return variantDisplayName;
-    }
-
-    public void setVariantDisplayName(String variantDisplayName) {
-        this.variantDisplayName = variantDisplayName;
-    }
-
-    public String getColorName() {
-        return colorName;
-    }
-
-    public void setColorName(String colorName) {
-        this.colorName = colorName;
-    }
-
-    public BigDecimal getStockSpools() {
-        return stockSpools;
-    }
-
-    public void setStockSpools(BigDecimal stockSpools) {
-        this.stockSpools = stockSpools;
-    }
-
-    public BigDecimal getSpoolNetKg() {
-        return spoolNetKg;
-    }
-
-    public void setSpoolNetKg(BigDecimal spoolNetKg) {
-        this.spoolNetKg = spoolNetKg;
-    }
-
-    public BigDecimal getStockKg() {
-        return stockKg;
-    }
-
-    public void setStockKg(BigDecimal stockKg) {
-        this.stockKg = stockKg;
-    }
-
-    public BigDecimal getStockFilamentGrams() {
-        return stockFilamentGrams;
-    }
-
-    public void setStockFilamentGrams(BigDecimal stockFilamentGrams) {
-        this.stockFilamentGrams = stockFilamentGrams;
-    }
-
-    public Boolean getActive() {
-        return active;
-    }
-
-    public void setActive(Boolean active) {
-        this.active = active;
-    }
-}

backend/src/main/java/com/printcalculator/dto/AdminFilamentVariantDto.java

@@ -1,187 +0,0 @@
-package com.printcalculator.dto;
-
-import java.math.BigDecimal;
-import java.time.OffsetDateTime;
-
-public class AdminFilamentVariantDto {
-    private Long id;
-    private Long materialTypeId;
-    private String materialCode;
-    private Boolean materialIsFlexible;
-    private Boolean materialIsTechnical;
-    private String materialTechnicalTypeLabel;
-    private String variantDisplayName;
-    private String colorName;
-    private String colorHex;
-    private String finishType;
-    private String brand;
-    private Boolean isMatte;
-    private Boolean isSpecial;
-    private BigDecimal costChfPerKg;
-    private BigDecimal stockSpools;
-    private BigDecimal spoolNetKg;
-    private BigDecimal stockKg;
-    private BigDecimal stockFilamentGrams;
-    private Boolean isActive;
-    private OffsetDateTime createdAt;
-
-    public Long getId() {
-        return id;
-    }
-
-    public void setId(Long id) {
-        this.id = id;
-    }
-
-    public Long getMaterialTypeId() {
-        return materialTypeId;
-    }
-
-    public void setMaterialTypeId(Long materialTypeId) {
-        this.materialTypeId = materialTypeId;
-    }
-
-    public String getMaterialCode() {
-        return materialCode;
-    }
-
-    public void setMaterialCode(String materialCode) {
-        this.materialCode = materialCode;
-    }
-
-    public Boolean getMaterialIsFlexible() {
-        return materialIsFlexible;
-    }
-
-    public void setMaterialIsFlexible(Boolean materialIsFlexible) {
-        this.materialIsFlexible = materialIsFlexible;
-    }
-
-    public Boolean getMaterialIsTechnical() {
-        return materialIsTechnical;
-    }
-
-    public void setMaterialIsTechnical(Boolean materialIsTechnical) {
-        this.materialIsTechnical = materialIsTechnical;
-    }
-
-    public String getMaterialTechnicalTypeLabel() {
-        return materialTechnicalTypeLabel;
-    }
-
-    public void setMaterialTechnicalTypeLabel(String materialTechnicalTypeLabel) {
-        this.materialTechnicalTypeLabel = materialTechnicalTypeLabel;
-    }
-
-    public String getVariantDisplayName() {
-        return variantDisplayName;
-    }
-
-    public void setVariantDisplayName(String variantDisplayName) {
-        this.variantDisplayName = variantDisplayName;
-    }
-
-    public String getColorName() {
-        return colorName;
-    }
-
-    public void setColorName(String colorName) {
-        this.colorName = colorName;
-    }
-
-    public String getColorHex() {
-        return colorHex;
-    }
-
-    public void setColorHex(String colorHex) {
-        this.colorHex = colorHex;
-    }
-
-    public String getFinishType() {
-        return finishType;
-    }
-
-    public void setFinishType(String finishType) {
-        this.finishType = finishType;
-    }
-
-    public String getBrand() {
-        return brand;
-    }
-
-    public void setBrand(String brand) {
-        this.brand = brand;
-    }
-
-    public Boolean getIsMatte() {
-        return isMatte;
-    }
-
-    public void setIsMatte(Boolean isMatte) {
-        this.isMatte = isMatte;
-    }
-
-    public Boolean getIsSpecial() {
-        return isSpecial;
-    }
-
-    public void setIsSpecial(Boolean isSpecial) {
-        this.isSpecial = isSpecial;
-    }
-
-    public BigDecimal getCostChfPerKg() {
-        return costChfPerKg;
-    }
-
-    public void setCostChfPerKg(BigDecimal costChfPerKg) {
-        this.costChfPerKg = costChfPerKg;
-    }
-
-    public BigDecimal getStockSpools() {
-        return stockSpools;
-    }
-
-    public void setStockSpools(BigDecimal stockSpools) {
-        this.stockSpools = stockSpools;
-    }
-
-    public BigDecimal getSpoolNetKg() {
-        return spoolNetKg;
-    }
-
-    public void setSpoolNetKg(BigDecimal spoolNetKg) {
-        this.spoolNetKg = spoolNetKg;
-    }
-
-    public BigDecimal getStockKg() {
-        return stockKg;
-    }
-
-    public void setStockKg(BigDecimal stockKg) {
-        this.stockKg = stockKg;
-    }
-
-    public BigDecimal getStockFilamentGrams() {
-        return stockFilamentGrams;
-    }
-
-    public void setStockFilamentGrams(BigDecimal stockFilamentGrams) {
-        this.stockFilamentGrams = stockFilamentGrams;
-    }
-
-    public Boolean getIsActive() {
-        return isActive;
-    }
-
-    public void setIsActive(Boolean isActive) {
-        this.isActive = isActive;
-    }
-
-    public OffsetDateTime getCreatedAt() {
-        return createdAt;
-    }
-
-    public void setCreatedAt(OffsetDateTime createdAt) {
-        this.createdAt = createdAt;
-    }
-}

backend/src/main/java/com/printcalculator/dto/AdminLoginRequest.java

@@ -1,17 +0,0 @@
-package com.printcalculator.dto;
-
-import jakarta.validation.constraints.NotBlank;
-
-public class AdminLoginRequest {
-
-    @NotBlank
-    private String password;
-
-    public String getPassword() {
-        return password;
-    }
-
-    public void setPassword(String password) {
-        this.password = password;
-    }
-}

backend/src/main/java/com/printcalculator/dto/AdminOrderStatusUpdateRequest.java

@@ -1,13 +0,0 @@
-package com.printcalculator.dto;
-
-public class AdminOrderStatusUpdateRequest {
-    private String status;
-
-    public String getStatus() {
-        return status;
-    }
-
-    public void setStatus(String status) {
-        this.status = status;
-    }
-}

backend/src/main/java/com/printcalculator/dto/AdminQuoteSessionDto.java

@@ -1,61 +0,0 @@
-package com.printcalculator.dto;
-
-import java.time.OffsetDateTime;
-import java.util.UUID;
-
-public class AdminQuoteSessionDto {
-    private UUID id;
-    private String status;
-    private String materialCode;
-    private OffsetDateTime createdAt;
-    private OffsetDateTime expiresAt;
-    private UUID convertedOrderId;
-
-    public UUID getId() {
-        return id;
-    }
-
-    public void setId(UUID id) {
-        this.id = id;
-    }
-
-    public String getStatus() {
-        return status;
-    }
-
-    public void setStatus(String status) {
-        this.status = status;
-    }
-
-    public String getMaterialCode() {
-        return materialCode;
-    }
-
-    public void setMaterialCode(String materialCode) {
-        this.materialCode = materialCode;
-    }
-
-    public OffsetDateTime getCreatedAt() {
-        return createdAt;
-    }
-
-    public void setCreatedAt(OffsetDateTime createdAt) {
-        this.createdAt = createdAt;
-    }
-
-    public OffsetDateTime getExpiresAt() {
-        return expiresAt;
-    }
-
-    public void setExpiresAt(OffsetDateTime expiresAt) {
-        this.expiresAt = expiresAt;
-    }
-
-    public UUID getConvertedOrderId() {
-        return convertedOrderId;
-    }
-
-    public void setConvertedOrderId(UUID convertedOrderId) {
-        this.convertedOrderId = convertedOrderId;
-    }
-}

backend/src/main/java/com/printcalculator/dto/AdminUpdateContactRequestStatusRequest.java

@@ -1,13 +0,0 @@
-package com.printcalculator.dto;
-
-public class AdminUpdateContactRequestStatusRequest {
-    private String status;
-
-    public String getStatus() {
-        return status;
-    }
-
-    public void setStatus(String status) {
-        this.status = status;
-    }
-}

backend/src/main/java/com/printcalculator/dto/AdminUpsertFilamentMaterialTypeRequest.java

@@ -1,40 +0,0 @@
-package com.printcalculator.dto;
-
-public class AdminUpsertFilamentMaterialTypeRequest {
-    private String materialCode;
-    private Boolean isFlexible;
-    private Boolean isTechnical;
-    private String technicalTypeLabel;
-
-    public String getMaterialCode() {
-        return materialCode;
-    }
-
-    public void setMaterialCode(String materialCode) {
-        this.materialCode = materialCode;
-    }
-
-    public Boolean getIsFlexible() {
-        return isFlexible;
-    }
-
-    public void setIsFlexible(Boolean isFlexible) {
-        this.isFlexible = isFlexible;
-    }
-
-    public Boolean getIsTechnical() {
-        return isTechnical;
-    }
-
-    public void setIsTechnical(Boolean isTechnical) {
-        this.isTechnical = isTechnical;
-    }
-
-    public String getTechnicalTypeLabel() {
-        return technicalTypeLabel;
-    }
-
-    public void setTechnicalTypeLabel(String technicalTypeLabel) {
-        this.technicalTypeLabel = technicalTypeLabel;
-    }
-}

backend/src/main/java/com/printcalculator/dto/AdminUpsertFilamentVariantRequest.java

@@ -1,114 +0,0 @@
-package com.printcalculator.dto;
-
-import java.math.BigDecimal;
-
-public class AdminUpsertFilamentVariantRequest {
-    private Long materialTypeId;
-    private String variantDisplayName;
-    private String colorName;
-    private String colorHex;
-    private String finishType;
-    private String brand;
-    private Boolean isMatte;
-    private Boolean isSpecial;
-    private BigDecimal costChfPerKg;
-    private BigDecimal stockSpools;
-    private BigDecimal spoolNetKg;
-    private Boolean isActive;
-
-    public Long getMaterialTypeId() {
-        return materialTypeId;
-    }
-
-    public void setMaterialTypeId(Long materialTypeId) {
-        this.materialTypeId = materialTypeId;
-    }
-
-    public String getVariantDisplayName() {
-        return variantDisplayName;
-    }
-
-    public void setVariantDisplayName(String variantDisplayName) {
-        this.variantDisplayName = variantDisplayName;
-    }
-
-    public String getColorName() {
-        return colorName;
-    }
-
-    public void setColorName(String colorName) {
-        this.colorName = colorName;
-    }
-
-    public String getColorHex() {
-        return colorHex;
-    }
-
-    public void setColorHex(String colorHex) {
-        this.colorHex = colorHex;
-    }
-
-    public String getFinishType() {
-        return finishType;
-    }
-
-    public void setFinishType(String finishType) {
-        this.finishType = finishType;
-    }
-
-    public String getBrand() {
-        return brand;
-    }
-
-    public void setBrand(String brand) {
-        this.brand = brand;
-    }
-
-    public Boolean getIsMatte() {
-        return isMatte;
-    }
-
-    public void setIsMatte(Boolean isMatte) {
-        this.isMatte = isMatte;
-    }
-
-    public Boolean getIsSpecial() {
-        return isSpecial;
-    }
-
-    public void setIsSpecial(Boolean isSpecial) {
-        this.isSpecial = isSpecial;
-    }
-
-    public BigDecimal getCostChfPerKg() {
-        return costChfPerKg;
-    }
-
-    public void setCostChfPerKg(BigDecimal costChfPerKg) {
-        this.costChfPerKg = costChfPerKg;
-    }
-
-    public BigDecimal getStockSpools() {
-        return stockSpools;
-    }
-
-    public void setStockSpools(BigDecimal stockSpools) {
-        this.stockSpools = stockSpools;
-    }
-
-    public BigDecimal getSpoolNetKg() {
-        return spoolNetKg;
-    }
-
-    public void setSpoolNetKg(BigDecimal spoolNetKg) {
-        this.spoolNetKg = spoolNetKg;
-    }
-
-    public Boolean getIsActive() {
-        return isActive;
-    }
-
-    public void setIsActive(Boolean isActive) {
-        this.isActive = isActive;
-    }
-}

backend/src/main/java/com/printcalculator/dto/CreateOrderRequest.java

@@ -1,19 +1,11 @@
 package com.printcalculator.dto;
 
 import lombok.Data;
-import jakarta.validation.constraints.AssertTrue;
 
 @Data
 public class CreateOrderRequest {
     private CustomerDto customer;
     private AddressDto billingAddress;
     private AddressDto shippingAddress;
-    private String language;
     private boolean shippingSameAsBilling;
-
-    @AssertTrue(message = "L'accettazione dei Termini e Condizioni e obbligatoria.")
-    private boolean acceptTerms;
-
-    @AssertTrue(message = "L'accettazione dell'Informativa Privacy e obbligatoria.")
-    private boolean acceptPrivacy;
 }

backend/src/main/java/com/printcalculator/dto/OptionsResponse.java

@@ -10,16 +10,7 @@ public record OptionsResponse(
     List<NozzleOptionDTO> nozzleDiameters
 ) {
     public record MaterialOption(String code, String label, List<VariantOption> variants) {}
-    public record VariantOption(
+    public record VariantOption(String name, String colorName, String hexColor, boolean isOutOfStock) {}
-            Long id,
-            String name,
-            String colorName,
-            String hexColor,
-            String finishType,
-            Double stockSpools,
-            Double stockFilamentGrams,
-            boolean isOutOfStock
-    ) {}
     public record QualityOption(String id, String label) {}
     public record InfillPatternOption(String id, String label) {}
     public record LayerHeightOptionDTO(double value, String label) {}

backend/src/main/java/com/printcalculator/dto/OrderDto.java

@@ -7,13 +7,9 @@ import java.util.UUID;
 
 public class OrderDto {
     private UUID id;
-    private String orderNumber;
     private String status;
-    private String paymentStatus;
-    private String paymentMethod;
     private String customerEmail;
     private String customerPhone;
-    private String preferredLanguage;
     private String billingCustomerType;
     private AddressDto billingAddress;
     private AddressDto shippingAddress;
@@ -25,39 +21,21 @@ public class OrderDto {
     private BigDecimal subtotalChf;
     private BigDecimal totalChf;
     private OffsetDateTime createdAt;
-    private String printMaterialCode;
-    private BigDecimal printNozzleDiameterMm;
-    private BigDecimal printLayerHeightMm;
-    private String printInfillPattern;
-    private Integer printInfillPercent;
-    private Boolean printSupportsEnabled;
     private List<OrderItemDto> items;
 
     // Getters and Setters
     public UUID getId() { return id; }
     public void setId(UUID id) { this.id = id; }
 
-    public String getOrderNumber() { return orderNumber; }
-    public void setOrderNumber(String orderNumber) { this.orderNumber = orderNumber; }
-
     public String getStatus() { return status; }
     public void setStatus(String status) { this.status = status; }
 
-    public String getPaymentStatus() { return paymentStatus; }
-    public void setPaymentStatus(String paymentStatus) { this.paymentStatus = paymentStatus; }
-
-    public String getPaymentMethod() { return paymentMethod; }
-    public void setPaymentMethod(String paymentMethod) { this.paymentMethod = paymentMethod; }
-
     public String getCustomerEmail() { return customerEmail; }
     public void setCustomerEmail(String customerEmail) { this.customerEmail = customerEmail; }
 
     public String getCustomerPhone() { return customerPhone; }
     public void setCustomerPhone(String customerPhone) { this.customerPhone = customerPhone; }
 
-    public String getPreferredLanguage() { return preferredLanguage; }
-    public void setPreferredLanguage(String preferredLanguage) { this.preferredLanguage = preferredLanguage; }
-
     public String getBillingCustomerType() { return billingCustomerType; }
     public void setBillingCustomerType(String billingCustomerType) { this.billingCustomerType = billingCustomerType; }
 
@@ -91,24 +69,6 @@ public class OrderDto {
     public OffsetDateTime getCreatedAt() { return createdAt; }
     public void setCreatedAt(OffsetDateTime createdAt) { this.createdAt = createdAt; }
 
-    public String getPrintMaterialCode() { return printMaterialCode; }
-    public void setPrintMaterialCode(String printMaterialCode) { this.printMaterialCode = printMaterialCode; }
-
-    public BigDecimal getPrintNozzleDiameterMm() { return printNozzleDiameterMm; }
-    public void setPrintNozzleDiameterMm(BigDecimal printNozzleDiameterMm) { this.printNozzleDiameterMm = printNozzleDiameterMm; }
-
-    public BigDecimal getPrintLayerHeightMm() { return printLayerHeightMm; }
-    public void setPrintLayerHeightMm(BigDecimal printLayerHeightMm) { this.printLayerHeightMm = printLayerHeightMm; }
-
-    public String getPrintInfillPattern() { return printInfillPattern; }
-    public void setPrintInfillPattern(String printInfillPattern) { this.printInfillPattern = printInfillPattern; }
-
-    public Integer getPrintInfillPercent() { return printInfillPercent; }
-    public void setPrintInfillPercent(Integer printInfillPercent) { this.printInfillPercent = printInfillPercent; }
-
-    public Boolean getPrintSupportsEnabled() { return printSupportsEnabled; }
-    public void setPrintSupportsEnabled(Boolean printSupportsEnabled) { this.printSupportsEnabled = printSupportsEnabled; }
-
     public List<OrderItemDto> getItems() { return items; }
     public void setItems(List<OrderItemDto> items) { this.items = items; }
 }

backend/src/main/java/com/printcalculator/dto/PrintSettingsDto.java

@@ -8,24 +8,17 @@ public class PrintSettingsDto {
     private String complexityMode;
     
     // Common
-    private String material; // e.g. "PLA", "PLA TOUGH", "PETG"
+    private String material; // e.g. "PLA", "PETG"
     private String color;    // e.g. "White", "#FFFFFF"
-    private Long filamentVariantId;
-    private Long printerMachineId;
     
     // Basic Mode
     private String quality;  // "draft", "standard", "high"
     
     // Advanced Mode (Optional in Basic)
-    private Double nozzleDiameter;
     private Double layerHeight;
     private Double infillDensity;
     private String infillPattern;
-    private Boolean supportsEnabled;
+    private Boolean supportsEnabled = true;
+    private Double nozzleDiameter;
     private String notes;
-
-    // Dimensions
-    private Double boundingBoxX;
-    private Double boundingBoxY;
-    private Double boundingBoxZ;
 }

backend/src/main/java/com/printcalculator/dto/QuoteRequestDto.java

@@ -1,7 +1,6 @@
 package com.printcalculator.dto;
 
 import lombok.Data;
-import jakarta.validation.constraints.AssertTrue;
 
 @Data
 public class QuoteRequestDto {
@@ -13,10 +12,4 @@ public class QuoteRequestDto {
     private String companyName;
     private String contactPerson;
     private String message;
-
-    @AssertTrue(message = "L'accettazione dei Termini e Condizioni e obbligatoria.")
-    private boolean acceptTerms;
-
-    @AssertTrue(message = "L'accettazione dell'Informativa Privacy e obbligatoria.")
-    private boolean acceptPrivacy;
 }

backend/src/main/java/com/printcalculator/entity/FilamentVariant.java

@@ -24,16 +24,6 @@ public class FilamentVariant {
     @Column(name = "color_name", nullable = false, length = Integer.MAX_VALUE)
     private String colorName;
 
-    @Column(name = "color_hex", length = Integer.MAX_VALUE)
-    private String colorHex;
-
-    @ColumnDefault("'GLOSSY'")
-    @Column(name = "finish_type", length = Integer.MAX_VALUE)
-    private String finishType;
-
-    @Column(name = "brand", length = Integer.MAX_VALUE)
-    private String brand;
-
     @ColumnDefault("false")
     @Column(name = "is_matte", nullable = false)
     private Boolean isMatte;
@@ -93,30 +83,6 @@ public class FilamentVariant {
         this.colorName = colorName;
     }
 
-    public String getColorHex() {
-        return colorHex;
-    }
-
-    public void setColorHex(String colorHex) {
-        this.colorHex = colorHex;
-    }
-
-    public String getFinishType() {
-        return finishType;
-    }
-
-    public void setFinishType(String finishType) {
-        this.finishType = finishType;
-    }
-
-    public String getBrand() {
-        return brand;
-    }
-
-    public void setBrand(String brand) {
-        this.brand = brand;
-    }
-
     public Boolean getIsMatte() {
         return isMatte;
     }

backend/src/main/java/com/printcalculator/entity/FilamentVariantOrcaOverride.java

@@ -1,72 +0,0 @@
-package com.printcalculator.entity;
-
-import jakarta.persistence.*;
-import org.hibernate.annotations.ColumnDefault;
-
-@Entity
-@Table(name = "filament_variant_orca_override", uniqueConstraints = {
-        @UniqueConstraint(name = "ux_filament_variant_orca_override_variant_machine", columnNames = {
-                "filament_variant_id", "printer_machine_profile_id"
-        })
-})
-public class FilamentVariantOrcaOverride {
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "filament_variant_orca_override_id", nullable = false)
-    private Long id;
-
-    @ManyToOne(fetch = FetchType.LAZY, optional = false)
-    @JoinColumn(name = "filament_variant_id", nullable = false)
-    private FilamentVariant filamentVariant;
-
-    @ManyToOne(fetch = FetchType.LAZY, optional = false)
-    @JoinColumn(name = "printer_machine_profile_id", nullable = false)
-    private PrinterMachineProfile printerMachineProfile;
-
-    @Column(name = "orca_filament_profile_name", nullable = false, length = Integer.MAX_VALUE)
-    private String orcaFilamentProfileName;
-
-    @ColumnDefault("true")
-    @Column(name = "is_active", nullable = false)
-    private Boolean isActive;
-
-    public Long getId() {
-        return id;
-    }
-
-    public void setId(Long id) {
-        this.id = id;
-    }
-
-    public FilamentVariant getFilamentVariant() {
-        return filamentVariant;
-    }
-
-    public void setFilamentVariant(FilamentVariant filamentVariant) {
-        this.filamentVariant = filamentVariant;
-    }
-
-    public PrinterMachineProfile getPrinterMachineProfile() {
-        return printerMachineProfile;
-    }
-
-    public void setPrinterMachineProfile(PrinterMachineProfile printerMachineProfile) {
-        this.printerMachineProfile = printerMachineProfile;
-    }
-
-    public String getOrcaFilamentProfileName() {
-        return orcaFilamentProfileName;
-    }
-
-    public void setOrcaFilamentProfileName(String orcaFilamentProfileName) {
-        this.orcaFilamentProfileName = orcaFilamentProfileName;
-    }
-
-    public Boolean getIsActive() {
-        return isActive;
-    }
-
-    public void setIsActive(Boolean isActive) {
-        this.isActive = isActive;
-    }
-}

backend/src/main/java/com/printcalculator/entity/MaterialOrcaProfileMap.java

@@ -1,72 +0,0 @@
-package com.printcalculator.entity;
-
-import jakarta.persistence.*;
-import org.hibernate.annotations.ColumnDefault;
-
-@Entity
-@Table(name = "material_orca_profile_map", uniqueConstraints = {
-        @UniqueConstraint(name = "ux_material_orca_profile_map_machine_material", columnNames = {
-                "printer_machine_profile_id", "filament_material_type_id"
-        })
-})
-public class MaterialOrcaProfileMap {
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "material_orca_profile_map_id", nullable = false)
-    private Long id;
-
-    @ManyToOne(fetch = FetchType.LAZY, optional = false)
-    @JoinColumn(name = "printer_machine_profile_id", nullable = false)
-    private PrinterMachineProfile printerMachineProfile;
-
-    @ManyToOne(fetch = FetchType.LAZY, optional = false)
-    @JoinColumn(name = "filament_material_type_id", nullable = false)
-    private FilamentMaterialType filamentMaterialType;
-
-    @Column(name = "orca_filament_profile_name", nullable = false, length = Integer.MAX_VALUE)
-    private String orcaFilamentProfileName;
-
-    @ColumnDefault("true")
-    @Column(name = "is_active", nullable = false)
-    private Boolean isActive;
-
-    public Long getId() {
-        return id;
-    }
-
-    public void setId(Long id) {
-        this.id = id;
-    }
-
-    public PrinterMachineProfile getPrinterMachineProfile() {
-        return printerMachineProfile;
-    }
-
-    public void setPrinterMachineProfile(PrinterMachineProfile printerMachineProfile) {
-        this.printerMachineProfile = printerMachineProfile;
-    }
-
-    public FilamentMaterialType getFilamentMaterialType() {
-        return filamentMaterialType;
-    }
-
-    public void setFilamentMaterialType(FilamentMaterialType filamentMaterialType) {
-        this.filamentMaterialType = filamentMaterialType;
-    }
-
-    public String getOrcaFilamentProfileName() {
-        return orcaFilamentProfileName;
-    }
-
-    public void setOrcaFilamentProfileName(String orcaFilamentProfileName) {
-        this.orcaFilamentProfileName = orcaFilamentProfileName;
-    }
-
-    public Boolean getIsActive() {
-        return isActive;
-    }
-
-    public void setIsActive(Boolean isActive) {
-        this.isActive = isActive;
-    }
-}

backend/src/main/java/com/printcalculator/entity/Order.java

@@ -95,10 +95,6 @@ public class Order {
     @Column(name = "shipping_country_code", length = 2)
     private String shippingCountryCode;
 
-    @ColumnDefault("'it'")
-    @Column(name = "preferred_language", length = 2)
-    private String preferredLanguage;
-
     @ColumnDefault("'CHF'")
     @Column(name = "currency", nullable = false, length = 3)
     private String currency;
@@ -142,16 +138,6 @@ public class Order {
         this.id = id;
     }
 
-    @Transient
-    public String getOrderNumber() {
-        if (id == null) {
-            return null;
-        }
-        String rawId = id.toString();
-        int dashIndex = rawId.indexOf('-');
-        return dashIndex > 0 ? rawId.substring(0, dashIndex) : rawId;
-    }
-
     public QuoteSession getSourceQuoteSession() {
         return sourceQuoteSession;
     }
@@ -360,14 +346,6 @@ public class Order {
         this.currency = currency;
     }
 
-    public String getPreferredLanguage() {
-        return preferredLanguage;
-    }
-
-    public void setPreferredLanguage(String preferredLanguage) {
-        this.preferredLanguage = preferredLanguage;
-    }
-
     public BigDecimal getSetupCostChf() {
         return setupCostChf;
     }
@@ -432,4 +410,5 @@ public class Order {
         this.paidAt = paidAt;
     }
 
+
 }

backend/src/main/java/com/printcalculator/entity/OrderItem.java

@@ -44,10 +44,6 @@ public class OrderItem {
     @Column(name = "material_code", nullable = false, length = Integer.MAX_VALUE)
     private String materialCode;
 
-    @ManyToOne(fetch = FetchType.LAZY)
-    @JoinColumn(name = "filament_variant_id")
-    private FilamentVariant filamentVariant;
-
     @Column(name = "color_code", length = Integer.MAX_VALUE)
     private String colorCode;
 
@@ -61,15 +57,6 @@ public class OrderItem {
     @Column(name = "material_grams", precision = 12, scale = 2)
     private BigDecimal materialGrams;
 
-    @Column(name = "bounding_box_x_mm", precision = 10, scale = 3)
-    private BigDecimal boundingBoxXMm;
-
-    @Column(name = "bounding_box_y_mm", precision = 10, scale = 3)
-    private BigDecimal boundingBoxYMm;
-
-    @Column(name = "bounding_box_z_mm", precision = 10, scale = 3)
-    private BigDecimal boundingBoxZMm;
-
     @Column(name = "unit_price_chf", nullable = false, precision = 12, scale = 2)
     private BigDecimal unitPriceChf;
 
@@ -80,16 +67,6 @@ public class OrderItem {
     @Column(name = "created_at", nullable = false)
     private OffsetDateTime createdAt;
 
-    @PrePersist
-    private void onCreate() {
-        if (createdAt == null) {
-            createdAt = OffsetDateTime.now();
-        }
-        if (quantity == null) {
-            quantity = 1;
-        }
-    }
-
     public UUID getId() {
         return id;
     }
@@ -162,14 +139,6 @@ public class OrderItem {
         this.materialCode = materialCode;
     }
 
-    public FilamentVariant getFilamentVariant() {
-        return filamentVariant;
-    }
-
-    public void setFilamentVariant(FilamentVariant filamentVariant) {
-        this.filamentVariant = filamentVariant;
-    }
-
     public String getColorCode() {
         return colorCode;
     }
@@ -202,30 +171,6 @@ public class OrderItem {
         this.materialGrams = materialGrams;
     }
 
-    public BigDecimal getBoundingBoxXMm() {
-        return boundingBoxXMm;
-    }
-
-    public void setBoundingBoxXMm(BigDecimal boundingBoxXMm) {
-        this.boundingBoxXMm = boundingBoxXMm;
-    }
-
-    public BigDecimal getBoundingBoxYMm() {
-        return boundingBoxYMm;
-    }
-
-    public void setBoundingBoxYMm(BigDecimal boundingBoxYMm) {
-        this.boundingBoxYMm = boundingBoxYMm;
-    }
-
-    public BigDecimal getBoundingBoxZMm() {
-        return boundingBoxZMm;
-    }
-
-    public void setBoundingBoxZMm(BigDecimal boundingBoxZMm) {
-        this.boundingBoxZMm = boundingBoxZMm;
-    }
-
     public BigDecimal getUnitPriceChf() {
         return unitPriceChf;
     }

backend/src/main/java/com/printcalculator/entity/Payment.java

@@ -52,9 +52,6 @@ public class Payment {
     @Column(name = "initiated_at", nullable = false)
     private OffsetDateTime initiatedAt;
 
-    @Column(name = "reported_at")
-    private OffsetDateTime reportedAt;
-
     @Column(name = "received_at")
     private OffsetDateTime receivedAt;
 
@@ -138,14 +135,6 @@ public class Payment {
         this.initiatedAt = initiatedAt;
     }
 
-    public OffsetDateTime getReportedAt() {
-        return reportedAt;
-    }
-
-    public void setReportedAt(OffsetDateTime reportedAt) {
-        this.reportedAt = reportedAt;
-    }
-
     public OffsetDateTime getReceivedAt() {
         return receivedAt;
     }

backend/src/main/java/com/printcalculator/entity/PrinterMachine.java

@@ -41,6 +41,9 @@ public class PrinterMachine {
     @Column(name = "created_at", nullable = false)
     private OffsetDateTime createdAt;
 
+    @Column(name = "slicer_machine_profile")
+    private String slicerMachineProfile;
+
     public Long getId() {
         return id;
     }
@@ -57,6 +60,14 @@ public class PrinterMachine {
         this.printerDisplayName = printerDisplayName;
     }
 
+    public String getSlicerMachineProfile() {
+        return slicerMachineProfile;
+    }
+
+    public void setSlicerMachineProfile(String slicerMachineProfile) {
+        this.slicerMachineProfile = slicerMachineProfile;
+    }
+
     public Integer getBuildVolumeXMm() {
         return buildVolumeXMm;
     }

backend/src/main/java/com/printcalculator/entity/PrinterMachineProfile.java

@@ -1,85 +0,0 @@
-package com.printcalculator.entity;
-
-import jakarta.persistence.*;
-import org.hibernate.annotations.ColumnDefault;
-
-import java.math.BigDecimal;
-
-@Entity
-@Table(name = "printer_machine_profile", uniqueConstraints = {
-        @UniqueConstraint(name = "ux_printer_machine_profile_machine_nozzle", columnNames = {
-                "printer_machine_id", "nozzle_diameter_mm"
-        })
-})
-public class PrinterMachineProfile {
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "printer_machine_profile_id", nullable = false)
-    private Long id;
-
-    @ManyToOne(fetch = FetchType.LAZY, optional = false)
-    @JoinColumn(name = "printer_machine_id", nullable = false)
-    private PrinterMachine printerMachine;
-
-    @Column(name = "nozzle_diameter_mm", nullable = false, precision = 4, scale = 2)
-    private BigDecimal nozzleDiameterMm;
-
-    @Column(name = "orca_machine_profile_name", nullable = false, length = Integer.MAX_VALUE)
-    private String orcaMachineProfileName;
-
-    @ColumnDefault("false")
-    @Column(name = "is_default", nullable = false)
-    private Boolean isDefault;
-
-    @ColumnDefault("true")
-    @Column(name = "is_active", nullable = false)
-    private Boolean isActive;
-
-    public Long getId() {
-        return id;
-    }
-
-    public void setId(Long id) {
-        this.id = id;
-    }
-
-    public PrinterMachine getPrinterMachine() {
-        return printerMachine;
-    }
-
-    public void setPrinterMachine(PrinterMachine printerMachine) {
-        this.printerMachine = printerMachine;
-    }
-
-    public BigDecimal getNozzleDiameterMm() {
-        return nozzleDiameterMm;
-    }
-
-    public void setNozzleDiameterMm(BigDecimal nozzleDiameterMm) {
-        this.nozzleDiameterMm = nozzleDiameterMm;
-    }
-
-    public String getOrcaMachineProfileName() {
-        return orcaMachineProfileName;
-    }
-
-    public void setOrcaMachineProfileName(String orcaMachineProfileName) {
-        this.orcaMachineProfileName = orcaMachineProfileName;
-    }
-
-    public Boolean getIsDefault() {
-        return isDefault;
-    }
-
-    public void setIsDefault(Boolean isDefault) {
-        this.isDefault = isDefault;
-    }
-
-    public Boolean getIsActive() {
-        return isActive;
-    }
-
-    public void setIsActive(Boolean isActive) {
-        this.isActive = isActive;
-    }
-}

backend/src/main/java/com/printcalculator/entity/QuoteLineItem.java

@@ -40,11 +40,6 @@ public class QuoteLineItem {
     @Column(name = "color_code", length = Integer.MAX_VALUE)
     private String colorCode;
 
-    @ManyToOne(fetch = FetchType.LAZY)
-    @JoinColumn(name = "filament_variant_id")
-    @com.fasterxml.jackson.annotation.JsonIgnore
-    private FilamentVariant filamentVariant;
-
     @Column(name = "bounding_box_x_mm", precision = 10, scale = 3)
     private BigDecimal boundingBoxXMm;
 
@@ -129,14 +124,6 @@ public class QuoteLineItem {
         this.colorCode = colorCode;
     }
 
-    public FilamentVariant getFilamentVariant() {
-        return filamentVariant;
-    }
-
-    public void setFilamentVariant(FilamentVariant filamentVariant) {
-        this.filamentVariant = filamentVariant;
-    }
-
     public BigDecimal getBoundingBoxXMm() {
         return boundingBoxXMm;
     }

backend/src/main/java/com/printcalculator/event/OrderCreatedEvent.java

@@ -1,16 +0,0 @@
-package com.printcalculator.event;
-
-import com.printcalculator.entity.Order;
-import lombok.Getter;
-import org.springframework.context.ApplicationEvent;
-
-@Getter
-public class OrderCreatedEvent extends ApplicationEvent {
-
-    private final Order order;
-
-    public OrderCreatedEvent(Object source, Order order) {
-        super(source);
-        this.order = order;
-    }
-}

backend/src/main/java/com/printcalculator/event/PaymentConfirmedEvent.java

@@ -1,24 +0,0 @@
-package com.printcalculator.event;
-
-import com.printcalculator.entity.Order;
-import com.printcalculator.entity.Payment;
-import org.springframework.context.ApplicationEvent;
-
-public class PaymentConfirmedEvent extends ApplicationEvent {
-    private final Order order;
-    private final Payment payment;
-
-    public PaymentConfirmedEvent(Object source, Order order, Payment payment) {
-        super(source);
-        this.order = order;
-        this.payment = payment;
-    }
-
-    public Order getOrder() {
-        return order;
-    }
-
-    public Payment getPayment() {
-        return payment;
-    }
-}

backend/src/main/java/com/printcalculator/event/PaymentReportedEvent.java

@@ -1,25 +0,0 @@
-package com.printcalculator.event;
-
-import com.printcalculator.entity.Order;
-import com.printcalculator.entity.Payment;
-import org.springframework.context.ApplicationEvent;
-
-public class PaymentReportedEvent extends ApplicationEvent {
-
-    private final Order order;
-    private final Payment payment;
-
-    public PaymentReportedEvent(Object source, Order order, Payment payment) {
-        super(source);
-        this.order = order;
-        this.payment = payment;
-    }
-
-    public Order getOrder() {
-        return order;
-    }
-
-    public Payment getPayment() {
-        return payment;
-    }
-}

backend/src/main/java/com/printcalculator/event/listener/OrderEmailListener.java

@@ -1,496 +0,0 @@
-package com.printcalculator.event.listener;
-
-import com.printcalculator.entity.Order;
-import com.printcalculator.entity.OrderItem;
-import com.printcalculator.entity.Payment;
-import com.printcalculator.event.OrderCreatedEvent;
-import com.printcalculator.event.PaymentConfirmedEvent;
-import com.printcalculator.event.PaymentReportedEvent;
-import com.printcalculator.repository.OrderItemRepository;
-import com.printcalculator.service.InvoicePdfRenderingService;
-import com.printcalculator.service.QrBillService;
-import com.printcalculator.service.StorageService;
-import com.printcalculator.service.email.EmailNotificationService;
-import lombok.RequiredArgsConstructor;
-import lombok.extern.slf4j.Slf4j;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.context.event.EventListener;
-import org.springframework.scheduling.annotation.Async;
-import org.springframework.stereotype.Component;
-
-import java.text.NumberFormat;
-import java.time.Year;
-import java.time.format.DateTimeFormatter;
-import java.time.format.FormatStyle;
-import java.util.Currency;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Locale;
-import java.util.Map;
-import java.nio.file.Paths;
-
-@Slf4j
-@Component
-@RequiredArgsConstructor
-public class OrderEmailListener {
-
-    private static final String DEFAULT_LANGUAGE = "it";
-
-    private final EmailNotificationService emailNotificationService;
-    private final InvoicePdfRenderingService invoicePdfRenderingService;
-    private final OrderItemRepository orderItemRepository;
-    private final QrBillService qrBillService;
-    private final StorageService storageService;
-
-    @Value("${app.mail.admin.enabled:true}")
-    private boolean adminMailEnabled;
-
-    @Value("${app.mail.admin.address:}")
-    private String adminMailAddress;
-
-    @Value("${app.frontend.base-url:http://localhost:4200}")
-    private String frontendBaseUrl;
-
-    @Async
-    @EventListener
-    public void handleOrderCreatedEvent(OrderCreatedEvent event) {
-        Order order = event.getOrder();
-        log.info("Processing OrderCreatedEvent for order id: {}", order.getId());
-
-        try {
-            sendCustomerConfirmationEmail(order);
-
-            if (adminMailEnabled && adminMailAddress != null && !adminMailAddress.isEmpty()) {
-                sendAdminNotificationEmail(order);
-            }
-        } catch (Exception e) {
-            log.error("Failed to process email notifications for order id: {}", order.getId(), e);
-        }
-    }
-
-    @Async
-    @EventListener
-    public void handlePaymentReportedEvent(PaymentReportedEvent event) {
-        Order order = event.getOrder();
-        log.info("Processing PaymentReportedEvent for order id: {}", order.getId());
-
-        try {
-            sendPaymentReportedEmail(order);
-        } catch (Exception e) {
-            log.error("Failed to send payment reported email for order id: {}", order.getId(), e);
-        }
-    }
-
-    @Async
-    @EventListener
-    public void handlePaymentConfirmedEvent(PaymentConfirmedEvent event) {
-        Order order = event.getOrder();
-        Payment payment = event.getPayment();
-        log.info("Processing PaymentConfirmedEvent for order id: {}", order.getId());
-
-        try {
-            sendPaidInvoiceEmail(order, payment);
-        } catch (Exception e) {
-            log.error("Failed to send paid invoice email for order id: {}", order.getId(), e);
-        }
-    }
-
-    private void sendCustomerConfirmationEmail(Order order) {
-        String language = resolveLanguage(order.getPreferredLanguage());
-        String orderNumber = getDisplayOrderNumber(order);
-
-        Map<String, Object> templateData = buildBaseTemplateData(order, language);
-        String subject = applyOrderConfirmationTexts(templateData, language, orderNumber);
-        byte[] confirmationPdf = loadOrGenerateConfirmationPdf(order);
-
-        emailNotificationService.sendEmailWithAttachment(
-                order.getCustomer().getEmail(),
-                subject,
-                "order-confirmation",
-                templateData,
-                buildConfirmationAttachmentName(language, orderNumber),
-                confirmationPdf
-        );
-    }
-
-    private void sendPaymentReportedEmail(Order order) {
-        String language = resolveLanguage(order.getPreferredLanguage());
-        String orderNumber = getDisplayOrderNumber(order);
-
-        Map<String, Object> templateData = buildBaseTemplateData(order, language);
-        String subject = applyPaymentReportedTexts(templateData, language, orderNumber);
-
-        emailNotificationService.sendEmail(
-                order.getCustomer().getEmail(),
-                subject,
-                "payment-reported",
-                templateData
-        );
-    }
-
-    private void sendPaidInvoiceEmail(Order order, Payment payment) {
-        String language = resolveLanguage(order.getPreferredLanguage());
-        String orderNumber = getDisplayOrderNumber(order);
-
-        Map<String, Object> templateData = buildBaseTemplateData(order, language);
-        String subject = applyPaymentConfirmedTexts(templateData, language, orderNumber);
-
-        byte[] pdf = null;
-        try {
-            List<OrderItem> items = orderItemRepository.findByOrder_Id(order.getId());
-            pdf = invoicePdfRenderingService.generateDocumentPdf(order, items, false, qrBillService, payment);
-        } catch (Exception e) {
-            log.error("Failed to generate PDF for paid invoice email: {}", e.getMessage(), e);
-        }
-
-        emailNotificationService.sendEmailWithAttachment(
-                order.getCustomer().getEmail(),
-                subject,
-                "payment-confirmed",
-                templateData,
-                buildPaidInvoiceAttachmentName(language, orderNumber),
-                pdf
-        );
-    }
-
-    private void sendAdminNotificationEmail(Order order) {
-        String orderNumber = getDisplayOrderNumber(order);
-        Map<String, Object> templateData = buildBaseTemplateData(order, DEFAULT_LANGUAGE);
-        templateData.put("customerName", buildCustomerFullName(order));
-
-        templateData.put("emailTitle", "Nuovo ordine ricevuto");
-        templateData.put("headlineText", "Nuovo ordine #" + orderNumber);
-        templateData.put("greetingText", "Ciao team,");
-        templateData.put("introText", "Un nuovo ordine e' stato creato dal cliente.");
-        templateData.put("detailsTitleText", "Dettagli ordine");
-        templateData.put("labelOrderNumber", "Numero ordine");
-        templateData.put("labelDate", "Data");
-        templateData.put("labelTotal", "Totale");
-        templateData.put("orderDetailsCtaText", "Apri dettaglio ordine");
-        templateData.put("attachmentHintText", "La conferma cliente e il QR bill sono stati salvati nella cartella documenti dell'ordine.");
-        templateData.put("supportText", "Controlla i dettagli e procedi con la gestione operativa.");
-        templateData.put("footerText", "Notifica automatica sistema ordini.");
-
-        emailNotificationService.sendEmail(
-                adminMailAddress,
-                "Nuovo Ordine Ricevuto #" + orderNumber + " - " + buildCustomerFullName(order),
-                "order-confirmation",
-                templateData
-        );
-    }
-
-    private Map<String, Object> buildBaseTemplateData(Order order, String language) {
-        Locale locale = localeForLanguage(language);
-        NumberFormat currencyFormatter = NumberFormat.getCurrencyInstance(locale);
-        currencyFormatter.setCurrency(Currency.getInstance("CHF"));
-
-        Map<String, Object> templateData = new HashMap<>();
-        templateData.put("customerName", buildCustomerFirstName(order, language));
-        templateData.put("orderId", order.getId());
-        templateData.put("orderNumber", getDisplayOrderNumber(order));
-        templateData.put("orderDetailsUrl", buildOrderDetailsUrl(order, language));
-        templateData.put(
-                "orderDate",
-                order.getCreatedAt().format(DateTimeFormatter.ofLocalizedDateTime(FormatStyle.MEDIUM).withLocale(locale))
-        );
-        templateData.put("totalCost", currencyFormatter.format(order.getTotalChf()));
-        templateData.put("currentYear", Year.now().getValue());
-        return templateData;
-    }
-
-    private String applyOrderConfirmationTexts(Map<String, Object> templateData, String language, String orderNumber) {
-        return switch (language) {
-            case "en" -> {
-                templateData.put("emailTitle", "Order Confirmation");
-                templateData.put("headlineText", "Thank you for your order #" + orderNumber);
-                templateData.put("greetingText", "Hi " + templateData.get("customerName") + ",");
-                templateData.put("introText", "We received your order and started processing it.");
-                templateData.put("detailsTitleText", "Order details");
-                templateData.put("labelOrderNumber", "Order number");
-                templateData.put("labelDate", "Date");
-                templateData.put("labelTotal", "Total");
-                templateData.put("orderDetailsCtaText", "View order status");
-                templateData.put("attachmentHintText", "Attached you can find the order confirmation PDF with the QR bill.");
-                templateData.put("supportText", "If you have questions, reply to this email and we will help you.");
-                templateData.put("footerText", "Automated message from 3D-Fab.");
-                yield "Order Confirmation #" + orderNumber + " - 3D-Fab";
-            }
-            case "de" -> {
-                templateData.put("emailTitle", "Bestellbestaetigung");
-                templateData.put("headlineText", "Danke fuer Ihre Bestellung #" + orderNumber);
-                templateData.put("greetingText", "Hallo " + templateData.get("customerName") + ",");
-                templateData.put("introText", "Wir haben Ihre Bestellung erhalten und mit der Bearbeitung begonnen.");
-                templateData.put("detailsTitleText", "Bestelldetails");
-                templateData.put("labelOrderNumber", "Bestellnummer");
-                templateData.put("labelDate", "Datum");
-                templateData.put("labelTotal", "Gesamtbetrag");
-                templateData.put("orderDetailsCtaText", "Bestellstatus ansehen");
-                templateData.put("attachmentHintText", "Im Anhang finden Sie die Bestellbestaetigung mit QR-Rechnung.");
-                templateData.put("supportText", "Bei Fragen antworten Sie einfach auf diese E-Mail.");
-                templateData.put("footerText", "Automatische Nachricht von 3D-Fab.");
-                yield "Bestellbestaetigung #" + orderNumber + " - 3D-Fab";
-            }
-            case "fr" -> {
-                templateData.put("emailTitle", "Confirmation de commande");
-                templateData.put("headlineText", "Merci pour votre commande #" + orderNumber);
-                templateData.put("greetingText", "Bonjour " + templateData.get("customerName") + ",");
-                templateData.put("introText", "Nous avons recu votre commande et commence son traitement.");
-                templateData.put("detailsTitleText", "Details de commande");
-                templateData.put("labelOrderNumber", "Numero de commande");
-                templateData.put("labelDate", "Date");
-                templateData.put("labelTotal", "Total");
-                templateData.put("orderDetailsCtaText", "Voir le statut de la commande");
-                templateData.put("attachmentHintText", "Vous trouverez en piece jointe la confirmation de commande avec la facture QR.");
-                templateData.put("supportText", "Si vous avez des questions, repondez a cet email.");
-                templateData.put("footerText", "Message automatique de 3D-Fab.");
-                yield "Confirmation de commande #" + orderNumber + " - 3D-Fab";
-            }
-            default -> {
-                templateData.put("emailTitle", "Conferma ordine");
-                templateData.put("headlineText", "Grazie per il tuo ordine #" + orderNumber);
-                templateData.put("greetingText", "Ciao " + templateData.get("customerName") + ",");
-                templateData.put("introText", "Abbiamo ricevuto il tuo ordine e iniziato l'elaborazione.");
-                templateData.put("detailsTitleText", "Dettagli ordine");
-                templateData.put("labelOrderNumber", "Numero ordine");
-                templateData.put("labelDate", "Data");
-                templateData.put("labelTotal", "Totale");
-                templateData.put("orderDetailsCtaText", "Visualizza stato ordine");
-                templateData.put("attachmentHintText", "In allegato trovi la conferma ordine in PDF con QR bill.");
-                templateData.put("supportText", "Se hai domande, rispondi a questa email e ti aiutiamo subito.");
-                templateData.put("footerText", "Messaggio automatico di 3D-Fab.");
-                yield "Conferma Ordine #" + orderNumber + " - 3D-Fab";
-            }
-        };
-    }
-
-    private String applyPaymentReportedTexts(Map<String, Object> templateData, String language, String orderNumber) {
-        return switch (language) {
-            case "en" -> {
-                templateData.put("emailTitle", "Payment Reported");
-                templateData.put("headlineText", "Payment reported for order #" + orderNumber);
-                templateData.put("greetingText", "Hi " + templateData.get("customerName") + ",");
-                templateData.put("introText", "We received your payment report and our team is now verifying it.");
-                templateData.put("statusText", "Current status: Payment under verification.");
-                templateData.put("orderDetailsCtaText", "Check order status");
-                templateData.put("supportText", "You will receive another email as soon as the payment is confirmed.");
-                templateData.put("footerText", "Automated message from 3D-Fab.");
-                templateData.put("labelOrderNumber", "Order number");
-                templateData.put("labelTotal", "Total");
-                yield "We are verifying your payment (Order #" + orderNumber + ")";
-            }
-            case "de" -> {
-                templateData.put("emailTitle", "Zahlung gemeldet");
-                templateData.put("headlineText", "Zahlung fuer Bestellung #" + orderNumber + " gemeldet");
-                templateData.put("greetingText", "Hallo " + templateData.get("customerName") + ",");
-                templateData.put("introText", "Wir haben Ihre Zahlungsmitteilung erhalten und pruefen sie aktuell.");
-                templateData.put("statusText", "Aktueller Status: Zahlung in Pruefung.");
-                templateData.put("orderDetailsCtaText", "Bestellstatus ansehen");
-                templateData.put("supportText", "Sobald die Zahlung bestaetigt ist, erhalten Sie eine weitere E-Mail.");
-                templateData.put("footerText", "Automatische Nachricht von 3D-Fab.");
-                templateData.put("labelOrderNumber", "Bestellnummer");
-                templateData.put("labelTotal", "Gesamtbetrag");
-                yield "Wir pruefen Ihre Zahlung (Bestellung #" + orderNumber + ")";
-            }
-            case "fr" -> {
-                templateData.put("emailTitle", "Paiement signale");
-                templateData.put("headlineText", "Paiement signale pour la commande #" + orderNumber);
-                templateData.put("greetingText", "Bonjour " + templateData.get("customerName") + ",");
-                templateData.put("introText", "Nous avons recu votre signalement de paiement et nous le verifions.");
-                templateData.put("statusText", "Statut actuel: Paiement en verification.");
-                templateData.put("orderDetailsCtaText", "Consulter le statut de la commande");
-                templateData.put("supportText", "Vous recevrez un nouvel email des que le paiement sera confirme.");
-                templateData.put("footerText", "Message automatique de 3D-Fab.");
-                templateData.put("labelOrderNumber", "Numero de commande");
-                templateData.put("labelTotal", "Total");
-                yield "Nous verifions votre paiement (Commande #" + orderNumber + ")";
-            }
-            default -> {
-                templateData.put("emailTitle", "Pagamento segnalato");
-                templateData.put("headlineText", "Pagamento segnalato per ordine #" + orderNumber);
-                templateData.put("greetingText", "Ciao " + templateData.get("customerName") + ",");
-                templateData.put("introText", "Abbiamo ricevuto la tua segnalazione di pagamento e la stiamo verificando.");
-                templateData.put("statusText", "Stato attuale: pagamento in verifica.");
-                templateData.put("orderDetailsCtaText", "Controlla lo stato ordine");
-                templateData.put("supportText", "Riceverai una nuova email non appena il pagamento sara' confermato.");
-                templateData.put("footerText", "Messaggio automatico di 3D-Fab.");
-                templateData.put("labelOrderNumber", "Numero ordine");
-                templateData.put("labelTotal", "Totale");
-                yield "Stiamo verificando il tuo pagamento (Ordine #" + orderNumber + ")";
-            }
-        };
-    }
-
-    private String applyPaymentConfirmedTexts(Map<String, Object> templateData, String language, String orderNumber) {
-        return switch (language) {
-            case "en" -> {
-                templateData.put("emailTitle", "Payment Confirmed");
-                templateData.put("headlineText", "Payment confirmed for order #" + orderNumber);
-                templateData.put("greetingText", "Hi " + templateData.get("customerName") + ",");
-                templateData.put("introText", "Your payment has been confirmed and the order moved into production.");
-                templateData.put("statusText", "Current status: In production.");
-                templateData.put("attachmentHintText", "The paid invoice PDF is attached to this email.");
-                templateData.put("orderDetailsCtaText", "View order status");
-                templateData.put("supportText", "We will notify you again when the shipment is ready.");
-                templateData.put("footerText", "Automated message from 3D-Fab.");
-                templateData.put("labelOrderNumber", "Order number");
-                templateData.put("labelTotal", "Total");
-                yield "Payment confirmed (Order #" + orderNumber + ") - 3D-Fab";
-            }
-            case "de" -> {
-                templateData.put("emailTitle", "Zahlung bestaetigt");
-                templateData.put("headlineText", "Zahlung fuer Bestellung #" + orderNumber + " bestaetigt");
-                templateData.put("greetingText", "Hallo " + templateData.get("customerName") + ",");
-                templateData.put("introText", "Ihre Zahlung wurde bestaetigt und die Bestellung ist jetzt in Produktion.");
-                templateData.put("statusText", "Aktueller Status: In Produktion.");
-                templateData.put("attachmentHintText", "Die bezahlte Rechnung als PDF ist dieser E-Mail beigefuegt.");
-                templateData.put("orderDetailsCtaText", "Bestellstatus ansehen");
-                templateData.put("supportText", "Wir informieren Sie erneut, sobald der Versand bereit ist.");
-                templateData.put("footerText", "Automatische Nachricht von 3D-Fab.");
-                templateData.put("labelOrderNumber", "Bestellnummer");
-                templateData.put("labelTotal", "Gesamtbetrag");
-                yield "Zahlung bestaetigt (Bestellung #" + orderNumber + ") - 3D-Fab";
-            }
-            case "fr" -> {
-                templateData.put("emailTitle", "Paiement confirme");
-                templateData.put("headlineText", "Paiement confirme pour la commande #" + orderNumber);
-                templateData.put("greetingText", "Bonjour " + templateData.get("customerName") + ",");
-                templateData.put("introText", "Votre paiement est confirme et la commande est passe en production.");
-                templateData.put("statusText", "Statut actuel: En production.");
-                templateData.put("attachmentHintText", "La facture payee en PDF est jointe a cet email.");
-                templateData.put("orderDetailsCtaText", "Voir le statut de la commande");
-                templateData.put("supportText", "Nous vous informerons a nouveau des que l'expedition sera prete.");
-                templateData.put("footerText", "Message automatique de 3D-Fab.");
-                templateData.put("labelOrderNumber", "Numero de commande");
-                templateData.put("labelTotal", "Total");
-                yield "Paiement confirme (Commande #" + orderNumber + ") - 3D-Fab";
-            }
-            default -> {
-                templateData.put("emailTitle", "Pagamento confermato");
-                templateData.put("headlineText", "Pagamento confermato per ordine #" + orderNumber);
-                templateData.put("greetingText", "Ciao " + templateData.get("customerName") + ",");
-                templateData.put("introText", "Il tuo pagamento e' stato confermato e l'ordine e' entrato in produzione.");
-                templateData.put("statusText", "Stato attuale: in produzione.");
-                templateData.put("attachmentHintText", "In allegato trovi la fattura saldata in PDF.");
-                templateData.put("orderDetailsCtaText", "Visualizza stato ordine");
-                templateData.put("supportText", "Ti aggiorneremo di nuovo quando la spedizione sara' pronta.");
-                templateData.put("footerText", "Messaggio automatico di 3D-Fab.");
-                templateData.put("labelOrderNumber", "Numero ordine");
-                templateData.put("labelTotal", "Totale");
-                yield "Pagamento confermato (Ordine #" + orderNumber + ") - 3D-Fab";
-            }
-        };
-    }
-
-    private String getDisplayOrderNumber(Order order) {
-        String orderNumber = order.getOrderNumber();
-        if (orderNumber != null && !orderNumber.isBlank()) {
-            return orderNumber;
-        }
-        return order.getId() != null ? order.getId().toString() : "unknown";
-    }
-
-    private String buildOrderDetailsUrl(Order order, String language) {
-        String baseUrl = frontendBaseUrl == null ? "" : frontendBaseUrl.replaceAll("/+$", "");
-        return baseUrl + "/" + language + "/co/" + order.getId();
-    }
-
-    private String buildConfirmationAttachmentName(String language, String orderNumber) {
-        return switch (language) {
-            case "en" -> "Order-Confirmation-" + orderNumber + ".pdf";
-            case "de" -> "Bestellbestaetigung-" + orderNumber + ".pdf";
-            case "fr" -> "Confirmation-Commande-" + orderNumber + ".pdf";
-            default -> "Conferma-Ordine-" + orderNumber + ".pdf";
-        };
-    }
-
-    private String buildPaidInvoiceAttachmentName(String language, String orderNumber) {
-        return switch (language) {
-            case "en" -> "Paid-Invoice-" + orderNumber + ".pdf";
-            case "de" -> "Bezahlte-Rechnung-" + orderNumber + ".pdf";
-            case "fr" -> "Facture-Payee-" + orderNumber + ".pdf";
-            default -> "Fattura-Pagata-" + orderNumber + ".pdf";
-        };
-    }
-
-    private byte[] loadOrGenerateConfirmationPdf(Order order) {
-        byte[] stored = loadStoredConfirmationPdf(order);
-        if (stored != null) {
-            return stored;
-        }
-
-        try {
-            List<OrderItem> items = orderItemRepository.findByOrder_Id(order.getId());
-            return invoicePdfRenderingService.generateDocumentPdf(order, items, true, qrBillService, null);
-        } catch (Exception e) {
-            log.error("Failed to generate fallback confirmation PDF for order id: {}", order.getId(), e);
-            return null;
-        }
-    }
-
-    private byte[] loadStoredConfirmationPdf(Order order) {
-        String relativePath = buildConfirmationPdfRelativePath(order);
-        try {
-            return storageService.loadAsResource(Paths.get(relativePath)).getInputStream().readAllBytes();
-        } catch (Exception e) {
-            log.warn("Confirmation PDF not found for order id {} at {}", order.getId(), relativePath);
-            return null;
-        }
-    }
-
-    private String buildConfirmationPdfRelativePath(Order order) {
-        return "orders/" + order.getId() + "/documents/confirmation-" + getDisplayOrderNumber(order) + ".pdf";
-    }
-
-    private String buildCustomerFirstName(Order order, String language) {
-        if (order.getCustomer() != null && order.getCustomer().getFirstName() != null && !order.getCustomer().getFirstName().isBlank()) {
-            return order.getCustomer().getFirstName();
-        }
-        if (order.getBillingFirstName() != null && !order.getBillingFirstName().isBlank()) {
-            return order.getBillingFirstName();
-        }
-        return switch (language) {
-            case "en" -> "Customer";
-            case "de" -> "Kunde";
-            case "fr" -> "Client";
-            default -> "Cliente";
-        };
-    }
-
-    private String buildCustomerFullName(Order order) {
-        String firstName = order.getCustomer() != null ? order.getCustomer().getFirstName() : null;
-        String lastName = order.getCustomer() != null ? order.getCustomer().getLastName() : null;
-        if (firstName != null && !firstName.isBlank() && lastName != null && !lastName.isBlank()) {
-            return firstName + " " + lastName;
-        }
-        if (order.getBillingFirstName() != null && !order.getBillingFirstName().isBlank()
-                && order.getBillingLastName() != null && !order.getBillingLastName().isBlank()) {
-            return order.getBillingFirstName() + " " + order.getBillingLastName();
-        }
-        return "Cliente";
-    }
-
-    private Locale localeForLanguage(String language) {
-        return switch (language) {
-            case "en" -> Locale.ENGLISH;
-            case "de" -> Locale.GERMAN;
-            case "fr" -> Locale.FRENCH;
-            default -> Locale.ITALIAN;
-        };
-    }
-
-    private String resolveLanguage(String language) {
-        if (language == null || language.isBlank()) {
-            return DEFAULT_LANGUAGE;
-        }
-
-        String normalized = language.trim().toLowerCase(Locale.ROOT);
-        if (normalized.length() > 2) {
-            normalized = normalized.substring(0, 2);
-        }
-
-        return switch (normalized) {
-            case "it", "en", "de", "fr" -> normalized;
-            default -> DEFAULT_LANGUAGE;
-        };
-    }
-}

backend/src/main/java/com/printcalculator/exception/GlobalExceptionHandler.java

@@ -1,61 +1,71 @@
 package com.printcalculator.exception;
 
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
-import org.springframework.validation.FieldError;
-import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.annotation.ControllerAdvice;
 import org.springframework.web.bind.annotation.ExceptionHandler;
-import org.springframework.web.context.request.WebRequest;
+import org.springframework.web.multipart.MaxUploadSizeExceededException;
 
-import java.time.LocalDateTime;
+import java.util.HashMap;
-import java.util.ArrayList;
-import java.util.LinkedHashMap;
-import java.util.List;
 import java.util.Map;
+import java.math.BigDecimal;
+import java.math.RoundingMode;
 
 @ControllerAdvice
+@Slf4j
 public class GlobalExceptionHandler {
 
-    @ExceptionHandler(VirusDetectedException.class)
+    @ExceptionHandler(StorageException.class)
-    public ResponseEntity<Object> handleVirusDetectedException(
+    public ResponseEntity<?> handleStorageException(StorageException exc) {
-            VirusDetectedException ex, WebRequest request) {
+        // Log the full exception for internal debugging
+        log.error("Storage Exception occurred", exc);
         
-        Map<String, Object> body = new LinkedHashMap<>();
+        Map<String, String> response = new HashMap<>();
-        body.put("timestamp", LocalDateTime.now());
-        body.put("message", ex.getMessage());
-        body.put("error", "Virus Detected");
 
-        return new ResponseEntity<>(body, HttpStatus.BAD_REQUEST);
+        // Check for specific virus case
+        if (exc.getMessage() != null && exc.getMessage().contains("antivirus scanner")) {
+             response.put("error", "Security Violation");
+             // Safe message for client
+             response.put("message", "File rejected by security policy.");
+             response.put("code", "VIRUS_DETECTED");
+             return ResponseEntity.status(HttpStatus.UNPROCESSABLE_ENTITY).body(response);
         }
 
-    @ExceptionHandler(MethodArgumentNotValidException.class)
+        // Generic fallback for other storage errors to avoid leaking internal paths/details
-    public ResponseEntity<Object> handleValidationException(
+        response.put("error", "Storage Operation Failed");
-            MethodArgumentNotValidException ex, WebRequest request) {
+        response.put("message", "Unable to process the file upload.");
-
+        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(response);
-        List<String> details = new ArrayList<>();
-        for (FieldError fieldError : ex.getBindingResult().getFieldErrors()) {
-            details.add(fieldError.getField() + ": " + fieldError.getDefaultMessage());
     }
 
-        Map<String, Object> body = new LinkedHashMap<>();
+    @ExceptionHandler(MaxUploadSizeExceededException.class)
-        body.put("timestamp", LocalDateTime.now());
+    public ResponseEntity<?> handleMaxSizeException(MaxUploadSizeExceededException exc) {
-        body.put("message", "Dati non validi.");
+        Map<String, String> response = new HashMap<>();
-        body.put("error", "Validation Error");
+        response.put("error", "File too large");
-        body.put("details", details);
+        response.put("message", "The uploaded file exceeds the maximum allowed size.");
-
+        return ResponseEntity.status(HttpStatus.PAYLOAD_TOO_LARGE).body(response);
-        return new ResponseEntity<>(body, HttpStatus.BAD_REQUEST);
     }
 
-    @ExceptionHandler(IllegalArgumentException.class)
+    @ExceptionHandler(ModelTooLargeException.class)
-    public ResponseEntity<Object> handleIllegalArgumentException(
+    public ResponseEntity<?> handleModelTooLarge(ModelTooLargeException exc) {
-            IllegalArgumentException ex, WebRequest request) {
+        Map<String, String> response = new HashMap<>();
+        response.put("error", "Model too large");
+        response.put("code", "MODEL_TOO_LARGE");
+        response.put("message", String.format(
+                "Model size %.2fx%.2fx%.2f mm exceeds build volume %dx%dx%d mm.",
+                exc.getModelX(), exc.getModelY(), exc.getModelZ(),
+                exc.getBuildX(), exc.getBuildY(), exc.getBuildZ()
+        ));
+        response.put("model_x_mm", formatMm(exc.getModelX()));
+        response.put("model_y_mm", formatMm(exc.getModelY()));
+        response.put("model_z_mm", formatMm(exc.getModelZ()));
+        response.put("build_x_mm", String.valueOf(exc.getBuildX()));
+        response.put("build_y_mm", String.valueOf(exc.getBuildY()));
+        response.put("build_z_mm", String.valueOf(exc.getBuildZ()));
+        return ResponseEntity.unprocessableEntity().body(response);
+    }
 
-        Map<String, Object> body = new LinkedHashMap<>();
+    private String formatMm(double value) {
-        body.put("timestamp", LocalDateTime.now());
+        return BigDecimal.valueOf(value).setScale(2, RoundingMode.HALF_UP).toPlainString();
-        body.put("message", ex.getMessage());
-        body.put("error", "Bad Request");
-
-        return new ResponseEntity<>(body, HttpStatus.BAD_REQUEST);
     }
 }

backend/src/main/java/com/printcalculator/exception/ModelTooLargeException.java

@@ -0,0 +1,45 @@
+package com.printcalculator.exception;
+
+public class ModelTooLargeException extends RuntimeException {
+    private final double modelX;
+    private final double modelY;
+    private final double modelZ;
+    private final int buildX;
+    private final int buildY;
+    private final int buildZ;
+
+    public ModelTooLargeException(double modelX, double modelY, double modelZ,
+                                  int buildX, int buildY, int buildZ) {
+        super("Model size exceeds build volume");
+        this.modelX = modelX;
+        this.modelY = modelY;
+        this.modelZ = modelZ;
+        this.buildX = buildX;
+        this.buildY = buildY;
+        this.buildZ = buildZ;
+    }
+
+    public double getModelX() {
+        return modelX;
+    }
+
+    public double getModelY() {
+        return modelY;
+    }
+
+    public double getModelZ() {
+        return modelZ;
+    }
+
+    public int getBuildX() {
+        return buildX;
+    }
+
+    public int getBuildY() {
+        return buildY;
+    }
+
+    public int getBuildZ() {
+        return buildZ;
+    }
+}

backend/src/main/java/com/printcalculator/exception/VirusDetectedException.java

@@ -1,7 +0,0 @@
-package com.printcalculator.exception;
-
-public class VirusDetectedException extends RuntimeException {
-    public VirusDetectedException(String message) {
-        super(message);
-    }
-}

backend/src/main/java/com/printcalculator/model/ModelDimensions.java

@@ -1,7 +0,0 @@
-package com.printcalculator.model;
-
-public record ModelDimensions(
-        double xMm,
-        double yMm,
-        double zMm
-) {}

backend/src/main/java/com/printcalculator/model/PrintStats.java

@@ -1,8 +1,29 @@
 package com.printcalculator.model;
 
-public record PrintStats(
+import lombok.AllArgsConstructor;
-    long printTimeSeconds,
+import lombok.Builder;
-    String printTimeFormatted,
+import lombok.Data;
-    double filamentWeightGrams,
+import lombok.NoArgsConstructor;
-    double filamentLengthMm
+
-) {}
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Builder
+public class PrintStats {
+    private long printTimeSeconds;
+    private String printTimeFormatted;
+    private double filamentWeightGrams;
+    private double filamentLengthMm;
+    
+    // Breakdown if available
+    private Double modelWeightGrams;
+    private Double supportWeightGrams;
+
+    // Legacy constructor for compatibility
+    public PrintStats(long printTimeSeconds, String printTimeFormatted, double filamentWeightGrams, double filamentLengthMm) {
+        this.printTimeSeconds = printTimeSeconds;
+        this.printTimeFormatted = printTimeFormatted;
+        this.filamentWeightGrams = filamentWeightGrams;
+        this.filamentLengthMm = filamentLengthMm;
+    }
+}

backend/src/main/java/com/printcalculator/model/QuoteResult.java

@@ -4,10 +4,13 @@ public class QuoteResult {
     private double totalPrice;
     private String currency;
     private PrintStats stats;
-    public QuoteResult(double totalPrice, String currency, PrintStats stats) {
+    private double setupCost;
+
+    public QuoteResult(double totalPrice, String currency, PrintStats stats, double setupCost) {
         this.totalPrice = totalPrice;
         this.currency = currency;
         this.stats = stats;
+        this.setupCost = setupCost;
     }
 
     public double getTotalPrice() {
@@ -21,4 +24,8 @@ public class QuoteResult {
     public PrintStats getStats() {
         return stats;
     }
+    
+    public double getSetupCost() {
+        return setupCost;
+    }
 }

backend/src/main/java/com/printcalculator/model/StlBounds.java

@@ -0,0 +1,16 @@
+package com.printcalculator.model;
+
+public record StlBounds(double minX, double minY, double minZ,
+                        double maxX, double maxY, double maxZ) {
+    public double sizeX() {
+        return maxX - minX;
+    }
+
+    public double sizeY() {
+        return maxY - minY;
+    }
+
+    public double sizeZ() {
+        return maxZ - minZ;
+    }
+}

backend/src/main/java/com/printcalculator/model/StlShiftResult.java

@@ -0,0 +1,10 @@
+package com.printcalculator.model;
+
+import java.nio.file.Path;
+
+public record StlShiftResult(Path shiftedPath,
+                             double offsetX,
+                             double offsetY,
+                             double offsetZ,
+                             boolean shifted) {
+}

backend/src/main/java/com/printcalculator/repository/CustomQuoteRequestAttachmentRepository.java

@@ -3,9 +3,7 @@ package com.printcalculator.repository;
 import com.printcalculator.entity.CustomQuoteRequestAttachment;
 import org.springframework.data.jpa.repository.JpaRepository;
 
-import java.util.List;
 import java.util.UUID;
 
 public interface CustomQuoteRequestAttachmentRepository extends JpaRepository<CustomQuoteRequestAttachment, UUID> {
-    List<CustomQuoteRequestAttachment> findByRequest_IdOrderByCreatedAtAsc(UUID requestId);
 }

backend/src/main/java/com/printcalculator/repository/FilamentVariantOrcaOverrideRepository.java

@@ -1,15 +0,0 @@
-package com.printcalculator.repository;
-
-import com.printcalculator.entity.FilamentVariant;
-import com.printcalculator.entity.FilamentVariantOrcaOverride;
-import com.printcalculator.entity.PrinterMachineProfile;
-import org.springframework.data.jpa.repository.JpaRepository;
-
-import java.util.Optional;
-
-public interface FilamentVariantOrcaOverrideRepository extends JpaRepository<FilamentVariantOrcaOverride, Long> {
-    Optional<FilamentVariantOrcaOverride> findByFilamentVariantAndPrinterMachineProfileAndIsActiveTrue(
-            FilamentVariant filamentVariant,
-            PrinterMachineProfile printerMachineProfile
-    );
-}

backend/src/main/java/com/printcalculator/repository/FilamentVariantRepository.java

@@ -2,18 +2,12 @@ package com.printcalculator.repository;
 
 import com.printcalculator.entity.FilamentVariant;
 import org.springframework.data.jpa.repository.JpaRepository;
-import org.springframework.data.jpa.repository.EntityGraph;
 
 import com.printcalculator.entity.FilamentMaterialType;
-import java.util.List;
 import java.util.Optional;
 
 public interface FilamentVariantRepository extends JpaRepository<FilamentVariant, Long> {
-    @EntityGraph(attributePaths = {"filamentMaterialType"})
-    List<FilamentVariant> findByIsActiveTrue();
-
     // We try to match by color name if possible, or get first active
     Optional<FilamentVariant> findByFilamentMaterialTypeAndColorName(FilamentMaterialType type, String colorName);
-    Optional<FilamentVariant> findByFilamentMaterialTypeAndVariantDisplayName(FilamentMaterialType type, String variantDisplayName);
     Optional<FilamentVariant> findFirstByFilamentMaterialTypeAndIsActiveTrue(FilamentMaterialType type);
 }

backend/src/main/java/com/printcalculator/repository/MaterialOrcaProfileMapRepository.java

@@ -1,20 +0,0 @@
-package com.printcalculator.repository;
-
-import com.printcalculator.entity.FilamentMaterialType;
-import com.printcalculator.entity.MaterialOrcaProfileMap;
-import com.printcalculator.entity.PrinterMachineProfile;
-import org.springframework.data.jpa.repository.EntityGraph;
-import org.springframework.data.jpa.repository.JpaRepository;
-
-import java.util.List;
-import java.util.Optional;
-
-public interface MaterialOrcaProfileMapRepository extends JpaRepository<MaterialOrcaProfileMap, Long> {
-    Optional<MaterialOrcaProfileMap> findByPrinterMachineProfileAndFilamentMaterialTypeAndIsActiveTrue(
-            PrinterMachineProfile printerMachineProfile,
-            FilamentMaterialType filamentMaterialType
-    );
-
-    @EntityGraph(attributePaths = {"filamentMaterialType"})
-    List<MaterialOrcaProfileMap> findByPrinterMachineProfileAndIsActiveTrue(PrinterMachineProfile printerMachineProfile);
-}

backend/src/main/java/com/printcalculator/repository/OrderItemRepository.java

@@ -8,5 +8,4 @@ import java.util.UUID;
 
 public interface OrderItemRepository extends JpaRepository<OrderItem, UUID> {
     List<OrderItem> findByOrder_Id(UUID orderId);
-    boolean existsByFilamentVariant_Id(Long filamentVariantId);
 }

backend/src/main/java/com/printcalculator/repository/OrderRepository.java

@@ -3,11 +3,7 @@ package com.printcalculator.repository;
 import com.printcalculator.entity.Order;
 import org.springframework.data.jpa.repository.JpaRepository;
 
-import java.util.List;
 import java.util.UUID;
 
 public interface OrderRepository extends JpaRepository<Order, UUID> {
-    List<Order> findAllByOrderByCreatedAtDesc();
-
-    boolean existsBySourceQuoteSession_Id(UUID sourceQuoteSessionId);
 }

backend/src/main/java/com/printcalculator/repository/PaymentRepository.java

@@ -3,9 +3,7 @@ package com.printcalculator.repository;
 import com.printcalculator.entity.Payment;
 import org.springframework.data.jpa.repository.JpaRepository;
 
-import java.util.Optional;
 import java.util.UUID;
 
 public interface PaymentRepository extends JpaRepository<Payment, UUID> {
-    Optional<Payment> findByOrder_Id(UUID orderId);
 }

backend/src/main/java/com/printcalculator/repository/PrinterMachineProfileRepository.java

@@ -1,15 +0,0 @@
-package com.printcalculator.repository;
-
-import com.printcalculator.entity.PrinterMachine;
-import com.printcalculator.entity.PrinterMachineProfile;
-import org.springframework.data.jpa.repository.JpaRepository;
-
-import java.math.BigDecimal;
-import java.util.List;
-import java.util.Optional;
-
-public interface PrinterMachineProfileRepository extends JpaRepository<PrinterMachineProfile, Long> {
-    Optional<PrinterMachineProfile> findByPrinterMachineAndNozzleDiameterMmAndIsActiveTrue(PrinterMachine printerMachine, BigDecimal nozzleDiameterMm);
-    Optional<PrinterMachineProfile> findFirstByPrinterMachineAndIsDefaultTrueAndIsActiveTrue(PrinterMachine printerMachine);
-    List<PrinterMachineProfile> findByPrinterMachineAndIsActiveTrue(PrinterMachine printerMachine);
-}

backend/src/main/java/com/printcalculator/repository/QuoteLineItemRepository.java

@@ -8,5 +8,4 @@ import java.util.UUID;
 
 public interface QuoteLineItemRepository extends JpaRepository<QuoteLineItem, UUID> {
     List<QuoteLineItem> findByQuoteSessionId(UUID quoteSessionId);
-    boolean existsByFilamentVariant_Id(Long filamentVariantId);
 }

backend/src/main/java/com/printcalculator/security/AdminLoginThrottleService.java

@@ -1,101 +0,0 @@
-package com.printcalculator.security;
-
-import jakarta.servlet.http.HttpServletRequest;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.stereotype.Service;
-
-import java.time.Instant;
-import java.util.OptionalLong;
-import java.util.concurrent.ConcurrentHashMap;
-
-@Service
-public class AdminLoginThrottleService {
-
-    private static final long BASE_DELAY_SECONDS = 2L;
-    private static final long MAX_DELAY_SECONDS = 3601L;
-
-    private final ConcurrentHashMap<String, LoginAttemptState> attemptsByClient = new ConcurrentHashMap<>();
-    private final boolean trustProxyHeaders;
-
-    public AdminLoginThrottleService(
-            @Value("${admin.auth.trust-proxy-headers:false}") boolean trustProxyHeaders
-    ) {
-        this.trustProxyHeaders = trustProxyHeaders;
-    }
-
-    public OptionalLong getRemainingLockSeconds(String clientKey) {
-        LoginAttemptState state = attemptsByClient.get(clientKey);
-        if (state == null) {
-            return OptionalLong.empty();
-        }
-
-        long now = Instant.now().getEpochSecond();
-        long remaining = state.blockedUntilEpochSeconds - now;
-        if (remaining <= 0) {
-            attemptsByClient.remove(clientKey, state);
-            return OptionalLong.empty();
-        }
-
-        return OptionalLong.of(remaining);
-    }
-
-    public long registerFailure(String clientKey) {
-        long now = Instant.now().getEpochSecond();
-        LoginAttemptState state = attemptsByClient.compute(clientKey, (key, current) -> {
-            int nextFailures = current == null ? 1 : current.failures + 1;
-            long delay = calculateDelaySeconds(nextFailures);
-            return new LoginAttemptState(nextFailures, now + delay);
-        });
-
-        return calculateDelaySeconds(state.failures);
-    }
-
-    public void reset(String clientKey) {
-        attemptsByClient.remove(clientKey);
-    }
-
-    public String resolveClientKey(HttpServletRequest request) {
-        if (trustProxyHeaders) {
-            String forwardedFor = request.getHeader("X-Forwarded-For");
-            if (forwardedFor != null && !forwardedFor.isBlank()) {
-                String[] parts = forwardedFor.split(",");
-                if (parts.length > 0 && !parts[0].trim().isEmpty()) {
-                    return parts[0].trim();
-                }
-            }
-
-            String realIp = request.getHeader("X-Real-IP");
-            if (realIp != null && !realIp.isBlank()) {
-                return realIp.trim();
-            }
-        }
-
-        String remoteAddress = request.getRemoteAddr();
-        if (remoteAddress != null && !remoteAddress.isBlank()) {
-            return remoteAddress.trim();
-        }
-
-        return "unknown";
-    }
-
-    private long calculateDelaySeconds(int failures) {
-        long delay = BASE_DELAY_SECONDS;
-        for (int i = 1; i < failures; i++) {
-            if (delay >= MAX_DELAY_SECONDS) {
-                return MAX_DELAY_SECONDS;
-            }
-            delay *= 2;
-        }
-        return Math.min(delay, MAX_DELAY_SECONDS);
-    }
-
-    private static class LoginAttemptState {
-        private final int failures;
-        private final long blockedUntilEpochSeconds;
-
-        private LoginAttemptState(int failures, long blockedUntilEpochSeconds) {
-            this.failures = failures;
-            this.blockedUntilEpochSeconds = blockedUntilEpochSeconds;
-        }
-    }
-}

backend/src/main/java/com/printcalculator/security/AdminSessionAuthenticationFilter.java

@@ -1,71 +0,0 @@
-package com.printcalculator.security;
-
-import jakarta.servlet.FilterChain;
-import jakarta.servlet.ServletException;
-import jakarta.servlet.http.HttpServletRequest;
-import jakarta.servlet.http.HttpServletResponse;
-import org.springframework.http.MediaType;
-import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
-import org.springframework.security.core.context.SecurityContextHolder;
-import org.springframework.stereotype.Component;
-import org.springframework.web.filter.OncePerRequestFilter;
-
-import java.io.IOException;
-import java.util.Collections;
-import java.util.Optional;
-
-@Component
-public class AdminSessionAuthenticationFilter extends OncePerRequestFilter {
-
-    private final AdminSessionService adminSessionService;
-
-    public AdminSessionAuthenticationFilter(AdminSessionService adminSessionService) {
-        this.adminSessionService = adminSessionService;
-    }
-
-    @Override
-    protected boolean shouldNotFilter(HttpServletRequest request) {
-        String path = resolvePath(request);
-        if ("OPTIONS".equalsIgnoreCase(request.getMethod())) {
-            return true;
-        }
-        if (!path.startsWith("/api/admin/")) {
-            return true;
-        }
-        return "/api/admin/auth/login".equals(path);
-    }
-
-    @Override
-    protected void doFilterInternal(
-            HttpServletRequest request,
-            HttpServletResponse response,
-            FilterChain filterChain
-    ) throws ServletException, IOException {
-        Optional<String> token = adminSessionService.extractTokenFromCookies(request);
-        Optional<AdminSessionService.AdminSessionPayload> payload = token.flatMap(adminSessionService::validateSessionToken);
-
-        if (payload.isEmpty()) {
-            response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
-            response.setContentType(MediaType.APPLICATION_JSON_VALUE);
-            response.getWriter().write("{\"error\":\"UNAUTHORIZED\"}");
-            return;
-        }
-
-        UsernamePasswordAuthenticationToken authentication = UsernamePasswordAuthenticationToken.authenticated(
-                "admin",
-                null,
-                Collections.emptyList()
-        );
-        SecurityContextHolder.getContext().setAuthentication(authentication);
-        filterChain.doFilter(request, response);
-    }
-
-    private String resolvePath(HttpServletRequest request) {
-        String path = request.getRequestURI();
-        String contextPath = request.getContextPath();
-        if (contextPath != null && !contextPath.isEmpty() && path.startsWith(contextPath)) {
-            return path.substring(contextPath.length());
-        }
-        return path;
-    }
-}

backend/src/main/java/com/printcalculator/security/AdminSessionService.java

@@ -1,203 +0,0 @@
-package com.printcalculator.security;
-
-import com.fasterxml.jackson.annotation.JsonProperty;
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import jakarta.servlet.http.Cookie;
-import jakarta.servlet.http.HttpServletRequest;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.http.ResponseCookie;
-import org.springframework.stereotype.Service;
-
-import javax.crypto.Mac;
-import javax.crypto.spec.SecretKeySpec;
-import java.io.IOException;
-import java.nio.charset.StandardCharsets;
-import java.security.MessageDigest;
-import java.time.Duration;
-import java.time.Instant;
-import java.util.Base64;
-import java.util.Optional;
-import java.util.UUID;
-
-@Service
-public class AdminSessionService {
-
-    public static final String COOKIE_NAME = "admin_session";
-    private static final String COOKIE_PATH = "/api/admin";
-    private static final String HMAC_ALGORITHM = "HmacSHA256";
-
-    private final ObjectMapper objectMapper;
-    private final String adminPassword;
-    private final byte[] sessionSecret;
-    private final long sessionTtlMinutes;
-
-    public AdminSessionService(
-            ObjectMapper objectMapper,
-            @Value("${admin.password}") String adminPassword,
-            @Value("${admin.session.secret}") String sessionSecret,
-            @Value("${admin.session.ttl-minutes}") long sessionTtlMinutes
-    ) {
-        this.objectMapper = objectMapper;
-        this.adminPassword = adminPassword;
-        this.sessionSecret = sessionSecret.getBytes(StandardCharsets.UTF_8);
-        this.sessionTtlMinutes = sessionTtlMinutes;
-
-        validateConfiguration(adminPassword, sessionSecret, sessionTtlMinutes);
-    }
-
-    public boolean isPasswordValid(String candidatePassword) {
-        if (candidatePassword == null) {
-            return false;
-        }
-
-        return MessageDigest.isEqual(
-                adminPassword.getBytes(StandardCharsets.UTF_8),
-                candidatePassword.getBytes(StandardCharsets.UTF_8)
-        );
-    }
-
-    public String createSessionToken() {
-        Instant now = Instant.now();
-        AdminSessionPayload payload = new AdminSessionPayload(
-                now.getEpochSecond(),
-                now.plus(Duration.ofMinutes(sessionTtlMinutes)).getEpochSecond(),
-                UUID.randomUUID().toString()
-        );
-
-        try {
-            String payloadJson = objectMapper.writeValueAsString(payload);
-            String encodedPayload = base64UrlEncode(payloadJson.getBytes(StandardCharsets.UTF_8));
-            String signature = base64UrlEncode(sign(encodedPayload));
-            return encodedPayload + "." + signature;
-        } catch (JsonProcessingException e) {
-            throw new IllegalStateException("Cannot create admin session token", e);
-        }
-    }
-
-    public Optional<AdminSessionPayload> validateSessionToken(String token) {
-        if (token == null || token.isBlank()) {
-            return Optional.empty();
-        }
-
-        String[] parts = token.split("\\.");
-        if (parts.length != 2) {
-            return Optional.empty();
-        }
-
-        String encodedPayload = parts[0];
-        String encodedSignature = parts[1];
-        byte[] providedSignature;
-        try {
-            providedSignature = base64UrlDecode(encodedSignature);
-        } catch (IllegalArgumentException e) {
-            return Optional.empty();
-        }
-
-        byte[] expectedSignature = sign(encodedPayload);
-        if (!MessageDigest.isEqual(expectedSignature, providedSignature)) {
-            return Optional.empty();
-        }
-
-        try {
-            byte[] decodedPayload = base64UrlDecode(encodedPayload);
-            AdminSessionPayload payload = objectMapper.readValue(decodedPayload, AdminSessionPayload.class);
-            if (payload.exp <= Instant.now().getEpochSecond()) {
-                return Optional.empty();
-            }
-            return Optional.of(payload);
-        } catch (IllegalArgumentException | IOException e) {
-            return Optional.empty();
-        }
-    }
-
-    public Optional<String> extractTokenFromCookies(HttpServletRequest request) {
-        Cookie[] cookies = request.getCookies();
-        if (cookies == null || cookies.length == 0) {
-            return Optional.empty();
-        }
-
-        for (Cookie cookie : cookies) {
-            if (COOKIE_NAME.equals(cookie.getName())) {
-                return Optional.ofNullable(cookie.getValue());
-            }
-        }
-
-        return Optional.empty();
-    }
-
-    public ResponseCookie buildLoginCookie(String token) {
-        return ResponseCookie.from(COOKIE_NAME, token)
-                .path(COOKIE_PATH)
-                .httpOnly(true)
-                .secure(true)
-                .sameSite("Strict")
-                .maxAge(Duration.ofMinutes(sessionTtlMinutes))
-                .build();
-    }
-
-    public ResponseCookie buildLogoutCookie() {
-        return ResponseCookie.from(COOKIE_NAME, "")
-                .path(COOKIE_PATH)
-                .httpOnly(true)
-                .secure(true)
-                .sameSite("Strict")
-                .maxAge(Duration.ZERO)
-                .build();
-    }
-
-    public long getSessionTtlMinutes() {
-        return sessionTtlMinutes;
-    }
-
-    private byte[] sign(String encodedPayload) {
-        try {
-            Mac mac = Mac.getInstance(HMAC_ALGORITHM);
-            mac.init(new SecretKeySpec(sessionSecret, HMAC_ALGORITHM));
-            return mac.doFinal(encodedPayload.getBytes(StandardCharsets.UTF_8));
-        } catch (Exception e) {
-            throw new IllegalStateException("Cannot sign admin session token", e);
-        }
-    }
-
-    private String base64UrlEncode(byte[] data) {
-        return Base64.getUrlEncoder().withoutPadding().encodeToString(data);
-    }
-
-    private byte[] base64UrlDecode(String data) {
-        return Base64.getUrlDecoder().decode(data);
-    }
-
-    private void validateConfiguration(String password, String secret, long ttlMinutes) {
-        if (password == null || password.isBlank()) {
-            throw new IllegalStateException("ADMIN_PASSWORD must be configured and non-empty");
-        }
-        if (secret == null || secret.isBlank()) {
-            throw new IllegalStateException("ADMIN_SESSION_SECRET must be configured and non-empty");
-        }
-        if (secret.length() < 32) {
-            throw new IllegalStateException("ADMIN_SESSION_SECRET must be at least 32 characters long");
-        }
-        if (ttlMinutes <= 0) {
-            throw new IllegalStateException("ADMIN_SESSION_TTL_MINUTES must be > 0");
-        }
-    }
-
-    public static class AdminSessionPayload {
-        @JsonProperty("iat")
-        public long iat;
-        @JsonProperty("exp")
-        public long exp;
-        @JsonProperty("nonce")
-        public String nonce;
-
-        public AdminSessionPayload() {
-        }
-
-        public AdminSessionPayload(long iat, long exp, String nonce) {
-            this.iat = iat;
-            this.exp = exp;
-            this.nonce = nonce;
-        }
-    }
-}

backend/src/main/java/com/printcalculator/service/ClamAVService.java

@@ -1,6 +1,5 @@
 package com.printcalculator.service;
 
-import com.printcalculator.exception.VirusDetectedException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Value;
@@ -23,15 +22,18 @@ public class ClamAVService {
     public ClamAVService(
             @Value("${clamav.host:clamav}") String host,
             @Value("${clamav.port:3310}") int port,
-            @Value("${clamav.enabled:true}") boolean enabled
+            @Value("${clamav.enabled:false}") boolean enabled
     ) {
         this.enabled = enabled;
+        if (!enabled) {
+            logger.info("ClamAV is DISABLED");
+            this.clamavClient = null;
+            return;
+        }
+        logger.info("Initializing ClamAV client at {}:{}", host, port);
         ClamavClient client = null;
         try {
-            if (enabled) {
-                logger.info("Initializing ClamAV client at {}:{}", host, port);
             client = new ClamavClient(host, port);
-            }
         } catch (Exception e) {
             logger.error("Failed to initialize ClamAV client: " + e.getMessage());
         }
@@ -49,13 +51,11 @@ public class ClamAVService {
             } else if (result instanceof ScanResult.VirusFound) {
                 Map<String, Collection<String>> viruses = ((ScanResult.VirusFound) result).getFoundViruses();
                 logger.warn("VIRUS DETECTED: {}", viruses);
-                throw new VirusDetectedException("Virus detected in the uploaded file: " + viruses);
+                return false;
             } else {
                 logger.warn("Unknown scan result: {}. Allowing file (FAIL-OPEN)", result);
                 return true;
             }
-        } catch (VirusDetectedException e) {
-            throw e;
         } catch (Exception e) {
             logger.error("Error scanning file with ClamAV. Allowing file (FAIL-OPEN)", e);
             return true;

backend/src/main/java/com/printcalculator/service/FileSystemStorageService.java

@@ -21,12 +21,10 @@ import java.nio.file.StandardCopyOption;
 public class FileSystemStorageService implements StorageService {
 
     private final Path rootLocation;
-    private final Path normalizedRootLocation;
     private final ClamAVService clamAVService;
 
     public FileSystemStorageService(@Value("${storage.location:storage_orders}") String storageLocation, ClamAVService clamAVService) {
         this.rootLocation = Paths.get(storageLocation);
-        this.normalizedRootLocation = this.rootLocation.toAbsolutePath().normalize();
         this.clamAVService = clamAVService;
     }
 
@@ -41,7 +39,10 @@ public class FileSystemStorageService implements StorageService {
 
     @Override
     public void store(MultipartFile file, Path destinationRelativePath) throws IOException {
-        Path destinationFile = resolveInsideStorage(destinationRelativePath);
+        Path destinationFile = this.rootLocation.resolve(destinationRelativePath).normalize().toAbsolutePath();
+        if (!destinationFile.getParent().startsWith(this.rootLocation.toAbsolutePath())) {
+            throw new StorageException("Cannot store file outside current directory.");
+        }
 
         // 1. Salva prima il file su disco per evitare problemi di stream con file grandi
         Files.createDirectories(destinationFile.getParent());
@@ -62,46 +63,32 @@ public class FileSystemStorageService implements StorageService {
 
     @Override
     public void store(Path source, Path destinationRelativePath) throws IOException {
-        Path destinationFile = resolveInsideStorage(destinationRelativePath);
+        Path destinationFile = this.rootLocation.resolve(destinationRelativePath).normalize().toAbsolutePath();
+        if (!destinationFile.getParent().startsWith(this.rootLocation.toAbsolutePath())) {
+             throw new StorageException("Cannot store file outside current directory.");
+        }
         Files.createDirectories(destinationFile.getParent());
         Files.copy(source, destinationFile, StandardCopyOption.REPLACE_EXISTING);
     }
 
     @Override
     public void delete(Path path) throws IOException {
-        Path file = resolveInsideStorage(path);
+        Path file = rootLocation.resolve(path);
         Files.deleteIfExists(file);
     }
 
     @Override
     public Resource loadAsResource(Path path) throws IOException {
         try {
-            Path file = resolveInsideStorage(path);
+            Path file = rootLocation.resolve(path);
             Resource resource = new UrlResource(file.toUri());
             if (resource.exists() || resource.isReadable()) {
                 return resource;
             } else {
-                throw new StorageException("Could not read file: " + path);
+                throw new RuntimeException("Could not read file: " + path);
             }
         } catch (MalformedURLException e) {
-            throw new StorageException("Could not read file: " + path, e);
+            throw new RuntimeException("Could not read file: " + path, e);
         }
     }
-
-    private Path resolveInsideStorage(Path relativePath) {
-        if (relativePath == null) {
-            throw new StorageException("Path is required.");
-        }
-
-        Path normalizedRelative = relativePath.normalize();
-        if (normalizedRelative.isAbsolute()) {
-            throw new StorageException("Cannot access absolute paths.");
-        }
-
-        Path resolved = normalizedRootLocation.resolve(normalizedRelative).normalize();
-        if (!resolved.startsWith(normalizedRootLocation)) {
-            throw new StorageException("Cannot access files outside storage root.");
-        }
-        return resolved;
-    }
 }

backend/src/main/java/com/printcalculator/service/GCodeParser.java

@@ -26,13 +26,15 @@ public class GCodeParser {
     private static final Pattern TIME_PATTERN = Pattern.compile(
             ";\\s*(?:estimated\\s+printing\\s+time|estimated\\s+print\\s+time|print\\s+time).*?[:=]\\s*(.*)",
             Pattern.CASE_INSENSITIVE);
-    private static final Pattern FILAMENT_G_PATTERN = Pattern.compile(";\\s*filament used \\[g\\]\\s*=\\s*(.*)");
+    private static final Pattern FILAMENT_G_PATTERN = Pattern.compile(";\\s*filament used \\[g\\]\\s*=\\s*([^;\\(\\n\\r]+)(?:\\s*\\(([^,]+) model,\\s*([^ ]+) support\\))?");
     private static final Pattern FILAMENT_MM_PATTERN = Pattern.compile(";\\s*filament used \\[mm\\]\\s*=\\s*(.*)");
 
     public PrintStats parse(File gcodeFile) throws IOException {
         long seconds = 0;
         double weightG = 0;
         double lengthMm = 0;
+        Double modelWeightG = null;
+        Double supportWeightG = null;
         String timeFormatted = "";
 
         try (BufferedReader reader = new BufferedReader(new FileReader(gcodeFile))) {
@@ -78,7 +80,14 @@ public class GCodeParser {
                 if (weightMatcher.find()) {
                     try {
                         weightG = Double.parseDouble(weightMatcher.group(1).trim());
-                         System.out.println("GCodeParser: Found weight: " + weightG + "g");
+                        System.out.println("GCodeParser: Found total weight: " + weightG + "g");
+                        
+                        // Check if we have groups 2 and 3 for breakdown
+                        if (weightMatcher.groupCount() >= 3 && weightMatcher.group(2) != null) {
+                            modelWeightG = Double.parseDouble(weightMatcher.group(2).trim());
+                            supportWeightG = Double.parseDouble(weightMatcher.group(3).trim());
+                            System.out.println("GCodeParser: Found breakdown - Model: " + modelWeightG + "g, Support: " + supportWeightG + "g");
+                        }
                     } catch (NumberFormatException ignored) {}
                 }
                 
@@ -92,7 +101,14 @@ public class GCodeParser {
             }
         }
         
-        return new PrintStats(seconds, timeFormatted, weightG, lengthMm);
+        return PrintStats.builder()
+                .printTimeSeconds(seconds)
+                .printTimeFormatted(timeFormatted)
+                .filamentWeightGrams(weightG)
+                .filamentLengthMm(lengthMm)
+                .modelWeightGrams(modelWeightG)
+                .supportWeightGrams(supportWeightG)
+                .build();
     }
 
     private long parseTimeString(String timeStr) {

backend/src/main/java/com/printcalculator/service/InvoicePdfRenderingService.java

@@ -8,17 +8,10 @@ import org.thymeleaf.TemplateEngine;
 import org.thymeleaf.context.Context;
 
 import java.io.ByteArrayOutputStream;
-import java.util.stream.Collectors;
+import java.io.IOException;
-import java.time.format.DateTimeFormatter;
-import java.util.HashMap;
-import java.util.List;
 import java.util.Locale;
 import java.util.Map;
 
-import com.printcalculator.entity.Order;
-import com.printcalculator.entity.OrderItem;
-import com.printcalculator.entity.Payment;
-
 @Service
 public class InvoicePdfRenderingService {
 
@@ -52,92 +45,4 @@ public class InvoicePdfRenderingService {
             throw new IllegalStateException("PDF invoice generation failed", pdfGenerationException);
         }
     }
-
-    public byte[] generateDocumentPdf(Order order, List<OrderItem> items, boolean isConfirmation, QrBillService qrBillService, Payment payment) {
-        Map<String, Object> vars = new HashMap<>();
-        vars.put("isConfirmation", isConfirmation);
-        vars.put("sellerDisplayName", "3D Fab Küng Caletti");
-        vars.put("sellerAddressLine1", "Joe Küng e Matteo Caletti");
-        vars.put("sellerAddressLine2", "Sede Bienne, Svizzera");
-        vars.put("sellerEmail", "info@3dfab.ch");
-
-        String displayOrderNumber = order.getOrderNumber() != null && !order.getOrderNumber().isBlank() 
-            ? order.getOrderNumber() 
-            : order.getId().toString();
-
-        vars.put("invoiceNumber", "INV-" + displayOrderNumber.toUpperCase());
-        vars.put("invoiceDate", order.getCreatedAt().format(DateTimeFormatter.ISO_LOCAL_DATE));
-        vars.put("dueDate", order.getCreatedAt().plusDays(7).format(DateTimeFormatter.ISO_LOCAL_DATE));
-
-        String buyerName = order.getBillingCustomerType().equals("BUSINESS") 
-            ? order.getBillingCompanyName() 
-            : order.getBillingFirstName() + " " + order.getBillingLastName();
-        vars.put("buyerDisplayName", buyerName);
-        vars.put("buyerAddressLine1", order.getBillingAddressLine1());
-        vars.put("buyerAddressLine2", order.getBillingZip() + " " + order.getBillingCity() + ", " + order.getBillingCountryCode());
-
-        // Setup Shipping Info
-        if (order.getShippingAddressLine1() != null && !order.getShippingAddressLine1().isBlank()) {
-            String shippingName = order.getShippingCompanyName() != null && !order.getShippingCompanyName().isBlank()
-                ? order.getShippingCompanyName()
-                : order.getShippingFirstName() + " " + order.getShippingLastName();
-            vars.put("shippingDisplayName", shippingName);
-            vars.put("shippingAddressLine1", order.getShippingAddressLine1());
-            vars.put("shippingAddressLine2", order.getShippingZip() + " " + order.getShippingCity() + ", " + order.getShippingCountryCode());
-        }
-
-        List<Map<String, Object>> invoiceLineItems = items.stream().map(i -> {
-            Map<String, Object> line = new HashMap<>();
-            line.put("description", "Stampa 3D: " + i.getOriginalFilename());
-            line.put("quantity", i.getQuantity());
-            line.put("unitPriceFormatted", String.format("CHF %.2f", i.getUnitPriceChf()));
-            line.put("lineTotalFormatted", String.format("CHF %.2f", i.getLineTotalChf()));
-            return line;
-        }).collect(Collectors.toList());
-
-        Map<String, Object> setupLine = new HashMap<>();
-        setupLine.put("description", "Costo Setup");
-        setupLine.put("quantity", 1);
-        setupLine.put("unitPriceFormatted", String.format("CHF %.2f", order.getSetupCostChf()));
-        setupLine.put("lineTotalFormatted", String.format("CHF %.2f", order.getSetupCostChf()));
-        invoiceLineItems.add(setupLine);
-
-        Map<String, Object> shippingLine = new HashMap<>();
-        shippingLine.put("description", "Spedizione");
-        shippingLine.put("quantity", 1);
-        shippingLine.put("unitPriceFormatted", String.format("CHF %.2f", order.getShippingCostChf()));
-        shippingLine.put("lineTotalFormatted", String.format("CHF %.2f", order.getShippingCostChf()));
-        invoiceLineItems.add(shippingLine);
-
-        vars.put("invoiceLineItems", invoiceLineItems);
-        vars.put("subtotalFormatted", String.format("CHF %.2f", order.getSubtotalChf()));
-        vars.put("grandTotalFormatted", String.format("CHF %.2f", order.getTotalChf()));
-        vars.put("paymentTermsText", isConfirmation ? "Pagamento entro 7 giorni via Bonifico o TWINT. Grazie." : "Pagato. Grazie per l'acquisto.");
-        
-        String paymentMethodText = "QR / Bonifico oppure TWINT";
-        if (payment != null && payment.getMethod() != null) {
-            paymentMethodText = switch (payment.getMethod().toUpperCase()) {
-                case "TWINT" -> "TWINT";
-                case "BANK_TRANSFER", "BONIFICO" -> "Bonifico Bancario";
-                case "QR_BILL", "QR" -> "QR Bill";
-                case "CASH" -> "Contanti";
-                default -> payment.getMethod();
-            };
-        }
-        vars.put("paymentMethodText", paymentMethodText);
-
-        String qrBillSvg = null;
-        if (isConfirmation) {
-            qrBillSvg = new String(qrBillService.generateQrBillSvg(order), java.nio.charset.StandardCharsets.UTF_8);
-            
-            if (qrBillSvg.contains("<?xml")) {
-                int svgStartIndex = qrBillSvg.indexOf("<svg");
-                if (svgStartIndex != -1) {
-                    qrBillSvg = qrBillSvg.substring(svgStartIndex);
-                }
-            }
-        }
-        
-        return generateInvoicePdfBytesFromTemplate(vars, qrBillSvg);
-    }
 }

backend/src/main/java/com/printcalculator/service/OrcaProfileResolver.java

@@ -1,152 +0,0 @@
-package com.printcalculator.service;
-
-import com.printcalculator.entity.FilamentMaterialType;
-import com.printcalculator.entity.FilamentVariant;
-import com.printcalculator.entity.FilamentVariantOrcaOverride;
-import com.printcalculator.entity.MaterialOrcaProfileMap;
-import com.printcalculator.entity.PrinterMachine;
-import com.printcalculator.entity.PrinterMachineProfile;
-import com.printcalculator.repository.FilamentVariantOrcaOverrideRepository;
-import com.printcalculator.repository.MaterialOrcaProfileMapRepository;
-import com.printcalculator.repository.PrinterMachineProfileRepository;
-import org.springframework.stereotype.Service;
-
-import java.math.BigDecimal;
-import java.math.RoundingMode;
-import java.util.Optional;
-
-@Service
-public class OrcaProfileResolver {
-
-    private final PrinterMachineProfileRepository machineProfileRepo;
-    private final MaterialOrcaProfileMapRepository materialMapRepo;
-    private final FilamentVariantOrcaOverrideRepository variantOverrideRepo;
-
-    public OrcaProfileResolver(
-            PrinterMachineProfileRepository machineProfileRepo,
-            MaterialOrcaProfileMapRepository materialMapRepo,
-            FilamentVariantOrcaOverrideRepository variantOverrideRepo
-    ) {
-        this.machineProfileRepo = machineProfileRepo;
-        this.materialMapRepo = materialMapRepo;
-        this.variantOverrideRepo = variantOverrideRepo;
-    }
-
-    public ResolvedProfiles resolve(PrinterMachine printerMachine, BigDecimal nozzleDiameterMm, FilamentVariant variant) {
-        Optional<PrinterMachineProfile> machineProfileOpt = resolveMachineProfile(printerMachine, nozzleDiameterMm);
-
-        String machineProfileName = machineProfileOpt
-                .map(PrinterMachineProfile::getOrcaMachineProfileName)
-                .orElseGet(() -> fallbackMachineProfile(printerMachine, nozzleDiameterMm));
-
-        String filamentProfileName = machineProfileOpt
-                .map(machineProfile -> resolveFilamentProfileWithMachineProfile(machineProfile, variant)
-                        .orElseGet(() -> fallbackFilamentProfile(variant.getFilamentMaterialType())))
-                .orElseGet(() -> fallbackFilamentProfile(variant.getFilamentMaterialType()));
-
-        return new ResolvedProfiles(machineProfileName, filamentProfileName, machineProfileOpt.orElse(null));
-    }
-
-    public Optional<PrinterMachineProfile> resolveMachineProfile(PrinterMachine machine, BigDecimal nozzleDiameterMm) {
-        if (machine == null) {
-            return Optional.empty();
-        }
-
-        BigDecimal normalizedNozzle = normalizeNozzle(nozzleDiameterMm);
-        if (normalizedNozzle != null) {
-            Optional<PrinterMachineProfile> exact = machineProfileRepo
-                    .findByPrinterMachineAndNozzleDiameterMmAndIsActiveTrue(machine, normalizedNozzle);
-            if (exact.isPresent()) {
-                return exact;
-            }
-        }
-
-        Optional<PrinterMachineProfile> defaultProfile = machineProfileRepo
-                .findFirstByPrinterMachineAndIsDefaultTrueAndIsActiveTrue(machine);
-        if (defaultProfile.isPresent()) {
-            return defaultProfile;
-        }
-
-        return machineProfileRepo.findByPrinterMachineAndIsActiveTrue(machine)
-                .stream()
-                .findFirst();
-    }
-
-    private Optional<String> resolveFilamentProfileWithMachineProfile(PrinterMachineProfile machineProfile, FilamentVariant variant) {
-        if (machineProfile == null || variant == null) {
-            return Optional.empty();
-        }
-
-        Optional<FilamentVariantOrcaOverride> override = variantOverrideRepo
-                .findByFilamentVariantAndPrinterMachineProfileAndIsActiveTrue(variant, machineProfile);
-
-        if (override.isPresent()) {
-            return Optional.ofNullable(override.get().getOrcaFilamentProfileName());
-        }
-
-        Optional<MaterialOrcaProfileMap> map = materialMapRepo
-                .findByPrinterMachineProfileAndFilamentMaterialTypeAndIsActiveTrue(
-                        machineProfile,
-                        variant.getFilamentMaterialType()
-                );
-
-        return map.map(MaterialOrcaProfileMap::getOrcaFilamentProfileName);
-    }
-
-    private String fallbackMachineProfile(PrinterMachine machine, BigDecimal nozzleDiameterMm) {
-        if (machine == null || machine.getPrinterDisplayName() == null || machine.getPrinterDisplayName().isBlank()) {
-            return "Bambu Lab A1 0.4 nozzle";
-        }
-
-        String displayName = machine.getPrinterDisplayName();
-        if (displayName.toLowerCase().contains("bambulab a1") || displayName.toLowerCase().contains("bambu lab a1")) {
-            String nozzleForProfile = formatNozzleForProfileName(nozzleDiameterMm);
-            if (nozzleForProfile == null) {
-                return "Bambu Lab A1 0.4 nozzle";
-            }
-            return "Bambu Lab A1 " + nozzleForProfile + " nozzle";
-        }
-
-        return displayName;
-    }
-
-    private String fallbackFilamentProfile(FilamentMaterialType materialType) {
-        String materialCode = materialType != null && materialType.getMaterialCode() != null
-                ? materialType.getMaterialCode().trim().toUpperCase()
-                : "PLA";
-
-        return switch (materialCode) {
-            case "PLA TOUGH" -> "Bambu PLA Tough @BBL A1";
-            case "PETG" -> "Generic PETG";
-            case "TPU" -> "Generic TPU";
-            case "PC" -> "Generic PC";
-            case "ABS" -> "Generic ABS";
-            default -> "Generic PLA";
-        };
-    }
-
-    private BigDecimal normalizeNozzle(BigDecimal nozzleDiameterMm) {
-        if (nozzleDiameterMm == null) {
-            return null;
-        }
-        return nozzleDiameterMm.setScale(2, RoundingMode.HALF_UP);
-    }
-
-    private String formatNozzleForProfileName(BigDecimal nozzleDiameterMm) {
-        BigDecimal normalizedNozzle = normalizeNozzle(nozzleDiameterMm);
-        if (normalizedNozzle == null) {
-            return null;
-        }
-        BigDecimal stripped = normalizedNozzle.stripTrailingZeros();
-        if (stripped.scale() < 0) {
-            stripped = stripped.setScale(0);
-        }
-        return stripped.toPlainString();
-    }
-
-    public record ResolvedProfiles(
-            String machineProfileName,
-            String filamentProfileName,
-            PrinterMachineProfile machineProfile
-    ) {}
-}

backend/src/main/java/com/printcalculator/service/OrderService.java

@@ -1,5 +1,6 @@
 package com.printcalculator.service;
 
+import com.printcalculator.dto.AddressDto;
 import com.printcalculator.dto.CreateOrderRequest;
 import com.printcalculator.entity.*;
 import com.printcalculator.repository.CustomerRepository;
@@ -7,20 +8,20 @@ import com.printcalculator.repository.OrderItemRepository;
 import com.printcalculator.repository.OrderRepository;
 import com.printcalculator.repository.QuoteLineItemRepository;
 import com.printcalculator.repository.QuoteSessionRepository;
-import com.printcalculator.repository.PricingPolicyRepository;
-import com.printcalculator.event.OrderCreatedEvent;
-import org.springframework.context.ApplicationEventPublisher;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.web.multipart.MultipartFile;
 
 import java.io.IOException;
 import java.math.BigDecimal;
-import java.math.RoundingMode;
+import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.time.OffsetDateTime;
+import java.time.format.DateTimeFormatter;
 import java.util.*;
+import java.util.stream.Collectors;
 
 @Service
 public class OrderService {
@@ -33,10 +34,6 @@ public class OrderService {
     private final StorageService storageService;
     private final InvoicePdfRenderingService invoiceService;
     private final QrBillService qrBillService;
-    private final ApplicationEventPublisher eventPublisher;
-    private final PaymentService paymentService;
-    private final QuoteCalculator quoteCalculator;
-    private final PricingPolicyRepository pricingRepo;
 
     public OrderService(OrderRepository orderRepo,
                         OrderItemRepository orderItemRepo,
@@ -45,11 +42,7 @@ public class OrderService {
                         CustomerRepository customerRepo,
                         StorageService storageService,
                         InvoicePdfRenderingService invoiceService,
-                        QrBillService qrBillService,
+                        QrBillService qrBillService) {
-                        ApplicationEventPublisher eventPublisher,
-                        PaymentService paymentService,
-                        QuoteCalculator quoteCalculator,
-                        PricingPolicyRepository pricingRepo) {
         this.orderRepo = orderRepo;
         this.orderItemRepo = orderItemRepo;
         this.quoteSessionRepo = quoteSessionRepo;
@@ -58,18 +51,10 @@ public class OrderService {
         this.storageService = storageService;
         this.invoiceService = invoiceService;
         this.qrBillService = qrBillService;
-        this.eventPublisher = eventPublisher;
-        this.paymentService = paymentService;
-        this.quoteCalculator = quoteCalculator;
-        this.pricingRepo = pricingRepo;
     }
 
     @Transactional
     public Order createOrderFromQuote(UUID quoteSessionId, CreateOrderRequest request) {
-        if (!request.isAcceptTerms() || !request.isAcceptPrivacy()) {
-            throw new IllegalArgumentException("Accettazione Termini e Privacy obbligatoria.");
-        }
-
         QuoteSession session = quoteSessionRepo.findById(quoteSessionId)
                 .orElseThrow(() -> new RuntimeException("Quote Session not found"));
 
@@ -89,14 +74,6 @@ public class OrderService {
 
         customer.setPhone(request.getCustomer().getPhone());
         customer.setCustomerType(request.getCustomer().getCustomerType());
-        
-        if (request.getBillingAddress() != null) {
-            customer.setFirstName(request.getBillingAddress().getFirstName());
-            customer.setLastName(request.getBillingAddress().getLastName());
-            customer.setCompanyName(request.getBillingAddress().getCompanyName());
-            customer.setContactPerson(request.getBillingAddress().getContactPerson());
-        }
-        
         customer.setUpdatedAt(OffsetDateTime.now());
         customerRepo.save(customer);
 
@@ -108,7 +85,6 @@ public class OrderService {
         order.setStatus("PENDING_PAYMENT");
         order.setCreatedAt(OffsetDateTime.now());
         order.setUpdatedAt(OffsetDateTime.now());
-        order.setPreferredLanguage(normalizeLanguage(request.getLanguage()));
         order.setCurrency("CHF");
 
         order.setBillingCustomerType(request.getCustomer().getCustomerType());
@@ -154,80 +130,24 @@ public class OrderService {
         order.setTotalChf(BigDecimal.ZERO);
         order.setDiscountChf(BigDecimal.ZERO);
         order.setSetupCostChf(session.getSetupCostChf() != null ? session.getSetupCostChf() : BigDecimal.ZERO);
-        
+        order.setShippingCostChf(BigDecimal.valueOf(9.00));
-        // Calculate shipping cost based on dimensions before initial save
-        boolean exceedsBaseSize = false;
-        for (QuoteLineItem item : quoteItems) {
-            BigDecimal x = item.getBoundingBoxXMm() != null ? item.getBoundingBoxXMm() : BigDecimal.ZERO;
-            BigDecimal y = item.getBoundingBoxYMm() != null ? item.getBoundingBoxYMm() : BigDecimal.ZERO;
-            BigDecimal z = item.getBoundingBoxZMm() != null ? item.getBoundingBoxZMm() : BigDecimal.ZERO;
-            
-            BigDecimal[] dims = {x, y, z};
-            java.util.Arrays.sort(dims);
-            
-            if (dims[2].compareTo(BigDecimal.valueOf(250.0)) > 0 ||
-                dims[1].compareTo(BigDecimal.valueOf(176.0)) > 0 ||
-                dims[0].compareTo(BigDecimal.valueOf(20.0)) > 0) {
-                exceedsBaseSize = true;
-                break;
-            }
-        }
-        int totalQuantity = quoteItems.stream()
-                .mapToInt(i -> i.getQuantity() != null ? i.getQuantity() : 1)
-                .sum();
-
-        if (exceedsBaseSize) {
-            order.setShippingCostChf(totalQuantity > 5 ? BigDecimal.valueOf(9.00) : BigDecimal.valueOf(4.00));
-        } else {
-            order.setShippingCostChf(BigDecimal.valueOf(2.00));
-        }
 
         order = orderRepo.save(order);
 
         List<OrderItem> savedItems = new ArrayList<>();
 
-        // Calculate global machine cost upfront
-        BigDecimal totalSeconds = BigDecimal.ZERO;
-        for (QuoteLineItem qItem : quoteItems) {
-            if (qItem.getPrintTimeSeconds() != null) {
-                totalSeconds = totalSeconds.add(BigDecimal.valueOf(qItem.getPrintTimeSeconds()).multiply(BigDecimal.valueOf(qItem.getQuantity())));
-            }
-        }
-        BigDecimal totalHours = totalSeconds.divide(BigDecimal.valueOf(3600), 4, RoundingMode.HALF_UP);
-        PricingPolicy policy = pricingRepo.findFirstByIsActiveTrueOrderByValidFromDesc();
-        BigDecimal globalMachineCost = quoteCalculator.calculateSessionMachineCost(policy, totalHours);
-
         for (QuoteLineItem qItem : quoteItems) {
             OrderItem oItem = new OrderItem();
             oItem.setOrder(order);
             oItem.setOriginalFilename(qItem.getOriginalFilename());
             oItem.setQuantity(qItem.getQuantity());
             oItem.setColorCode(qItem.getColorCode());
-            oItem.setFilamentVariant(qItem.getFilamentVariant());
-            if (qItem.getFilamentVariant() != null
-                    && qItem.getFilamentVariant().getFilamentMaterialType() != null
-                    && qItem.getFilamentVariant().getFilamentMaterialType().getMaterialCode() != null) {
-                oItem.setMaterialCode(qItem.getFilamentVariant().getFilamentMaterialType().getMaterialCode());
-            } else {
             oItem.setMaterialCode(session.getMaterialCode());
-            }
 
-            BigDecimal distributedUnitPrice = qItem.getUnitPriceChf();
+            oItem.setUnitPriceChf(qItem.getUnitPriceChf());
-            if (totalSeconds.compareTo(BigDecimal.ZERO) > 0 && qItem.getPrintTimeSeconds() != null) {
+            oItem.setLineTotalChf(qItem.getUnitPriceChf().multiply(BigDecimal.valueOf(qItem.getQuantity())));
-                BigDecimal itemSeconds = BigDecimal.valueOf(qItem.getPrintTimeSeconds()).multiply(BigDecimal.valueOf(qItem.getQuantity()));
-                BigDecimal share = itemSeconds.divide(totalSeconds, 8, RoundingMode.HALF_UP);
-                BigDecimal itemMachineCost = globalMachineCost.multiply(share);
-                BigDecimal unitMachineCost = itemMachineCost.divide(BigDecimal.valueOf(qItem.getQuantity()), 2, RoundingMode.HALF_UP);
-                distributedUnitPrice = distributedUnitPrice.add(unitMachineCost);
-            }
-
-            oItem.setUnitPriceChf(distributedUnitPrice);
-            oItem.setLineTotalChf(distributedUnitPrice.multiply(BigDecimal.valueOf(qItem.getQuantity())));
             oItem.setPrintTimeSeconds(qItem.getPrintTimeSeconds());
             oItem.setMaterialGrams(qItem.getMaterialGrams());
-            oItem.setBoundingBoxXMm(qItem.getBoundingBoxXMm());
-            oItem.setBoundingBoxYMm(qItem.getBoundingBoxYMm());
-            oItem.setBoundingBoxZMm(qItem.getBoundingBoxZMm());
 
             UUID fileUuid = UUID.randomUUID();
             String ext = getExtension(qItem.getOriginalFilename());
@@ -261,6 +181,9 @@ public class OrderService {
         }
 
         order.setSubtotalChf(subtotal);
+        if (order.getShippingCostChf() == null) {
+            order.setShippingCostChf(BigDecimal.valueOf(9.00));
+        }
 
         BigDecimal total = subtotal.add(order.getSetupCostChf()).add(order.getShippingCostChf()).subtract(order.getDiscountChf() != null ? order.getDiscountChf() : BigDecimal.ZERO);
         order.setTotalChf(total);
@@ -272,25 +195,79 @@ public class OrderService {
         // Generate Invoice and QR Bill
         generateAndSaveDocuments(order, savedItems);
 
-        Order savedOrder = orderRepo.save(order);
+        return orderRepo.save(order);
-
-        // ALWAYS initialize payment as PENDING
-        paymentService.getOrCreatePaymentForOrder(savedOrder, "OTHER");
-
-        eventPublisher.publishEvent(new OrderCreatedEvent(this, savedOrder));
-
-        return savedOrder;
     }
     
     private void generateAndSaveDocuments(Order order, List<OrderItem> items) {
         try {
-            // 1. Generate and save the raw QR Bill for internal traceability.
+            // 1. Generate QR Bill
             byte[] qrBillSvgBytes = qrBillService.generateQrBillSvg(order);
-            saveFileBytes(qrBillSvgBytes, buildQrBillSvgRelativePath(order));
+            String qrBillSvg = new String(qrBillSvgBytes, StandardCharsets.UTF_8);
 
-            // 2. Generate and save the same confirmation PDF served by /api/orders/{id}/confirmation.
+            // Strip XML declaration and DOCTYPE if present, as they validity break the embedding HTML page
-            byte[] confirmationPdfBytes = invoiceService.generateDocumentPdf(order, items, true, qrBillService, null);
+            if (qrBillSvg.contains("<?xml")) {
-            saveFileBytes(confirmationPdfBytes, buildConfirmationPdfRelativePath(order));
+                int svgStartIndex = qrBillSvg.indexOf("<svg");
+                if (svgStartIndex != -1) {
+                    qrBillSvg = qrBillSvg.substring(svgStartIndex);
+                }
+            }
+            
+            // Save QR Bill SVG
+            String qrRelativePath = "orders/" + order.getId() + "/documents/qr-bill.svg";
+            saveFileBytes(qrBillSvgBytes, qrRelativePath);
+
+            // 2. Prepare Invoice Variables
+            Map<String, Object> vars = new HashMap<>();
+            vars.put("sellerDisplayName", "3D Fab Switzerland");
+            vars.put("sellerAddressLine1", "Sede Ticino, Svizzera");
+            vars.put("sellerAddressLine2", "Sede Bienne, Svizzera");
+            vars.put("sellerEmail", "info@3dfab.ch");
+
+            vars.put("invoiceNumber", "INV-" + order.getId().toString().substring(0, 8).toUpperCase());
+            vars.put("invoiceDate", order.getCreatedAt().format(DateTimeFormatter.ISO_LOCAL_DATE));
+            vars.put("dueDate", order.getCreatedAt().plusDays(7).format(DateTimeFormatter.ISO_LOCAL_DATE));
+
+            String buyerName = "BUSINESS".equals(order.getBillingCustomerType())
+                    ? order.getBillingCompanyName()
+                    : order.getBillingFirstName() + " " + order.getBillingLastName();
+            vars.put("buyerDisplayName", buyerName);
+            vars.put("buyerAddressLine1", order.getBillingAddressLine1());
+            vars.put("buyerAddressLine2", order.getBillingZip() + " " + order.getBillingCity() + ", " + order.getBillingCountryCode());
+
+            List<Map<String, Object>> invoiceLineItems = items.stream().map(i -> {
+                Map<String, Object> line = new HashMap<>();
+                line.put("description", "Stampa 3D: " + i.getOriginalFilename());
+                line.put("quantity", i.getQuantity());
+                line.put("unitPriceFormatted", String.format("CHF %.2f", i.getUnitPriceChf()));
+                line.put("lineTotalFormatted", String.format("CHF %.2f", i.getLineTotalChf()));
+                return line;
+            }).collect(Collectors.toList());
+
+            Map<String, Object> setupLine = new HashMap<>();
+            setupLine.put("description", "Costo Setup");
+            setupLine.put("quantity", 1);
+            setupLine.put("unitPriceFormatted", String.format("CHF %.2f", order.getSetupCostChf()));
+            setupLine.put("lineTotalFormatted", String.format("CHF %.2f", order.getSetupCostChf()));
+            invoiceLineItems.add(setupLine);
+
+            Map<String, Object> shippingLine = new HashMap<>();
+            shippingLine.put("description", "Spedizione");
+            shippingLine.put("quantity", 1);
+            shippingLine.put("unitPriceFormatted", String.format("CHF %.2f", order.getShippingCostChf()));
+            shippingLine.put("lineTotalFormatted", String.format("CHF %.2f", order.getShippingCostChf()));
+            invoiceLineItems.add(shippingLine);
+
+            vars.put("invoiceLineItems", invoiceLineItems);
+            vars.put("subtotalFormatted", String.format("CHF %.2f", order.getSubtotalChf()));
+            vars.put("grandTotalFormatted", String.format("CHF %.2f", order.getTotalChf()));
+            vars.put("paymentTermsText", "Appena riceviamo il pagamento l'ordine entrerà nella coda di stampa. Grazie per la fiducia");
+
+            // 3. Generate PDF
+            byte[] pdfBytes = invoiceService.generateInvoicePdfBytesFromTemplate(vars, qrBillSvg);
+            
+            // Save PDF
+            String pdfRelativePath = "orders/" + order.getId() + "/documents/invoice-" + order.getId() + ".pdf";
+            saveFileBytes(pdfBytes, pdfRelativePath);
 
         } catch (Exception e) {
             e.printStackTrace(); 
@@ -320,36 +297,4 @@ public class OrderService {
         }
         return "stl";
     }
-
-    private String getDisplayOrderNumber(Order order) {
-        String orderNumber = order.getOrderNumber();
-        if (orderNumber != null && !orderNumber.isBlank()) {
-            return orderNumber;
-        }
-        return order.getId() != null ? order.getId().toString() : "unknown";
-    }
-
-    private String buildQrBillSvgRelativePath(Order order) {
-        return "orders/" + order.getId() + "/documents/qr-bill.svg";
-    }
-
-    private String buildConfirmationPdfRelativePath(Order order) {
-        return "orders/" + order.getId() + "/documents/confirmation-" + getDisplayOrderNumber(order) + ".pdf";
-    }
-
-    private String normalizeLanguage(String language) {
-        if (language == null || language.isBlank()) {
-            return "it";
-        }
-
-        String normalized = language.trim().toLowerCase(Locale.ROOT);
-        if (normalized.length() > 2) {
-            normalized = normalized.substring(0, 2);
-        }
-
-        return switch (normalized) {
-            case "it", "en", "de", "fr" -> normalized;
-            default -> "it";
-        };
-    }
 }

backend/src/main/java/com/printcalculator/service/PaymentService.java

@@ -1,101 +0,0 @@
-package com.printcalculator.service;
-
-import com.printcalculator.entity.Order;
-import com.printcalculator.entity.Payment;
-import com.printcalculator.event.PaymentReportedEvent;
-import com.printcalculator.event.PaymentConfirmedEvent;
-import com.printcalculator.repository.OrderRepository;
-import com.printcalculator.repository.PaymentRepository;
-import org.springframework.context.ApplicationEventPublisher;
-import org.springframework.stereotype.Service;
-import org.springframework.transaction.annotation.Transactional;
-
-import java.math.BigDecimal;
-import java.time.OffsetDateTime;
-import java.util.Optional;
-import java.util.UUID;
-
-@Service
-public class PaymentService {
-
-    private final PaymentRepository paymentRepo;
-    private final OrderRepository orderRepo;
-    private final ApplicationEventPublisher eventPublisher;
-
-    public PaymentService(PaymentRepository paymentRepo,
-                          OrderRepository orderRepo,
-                          ApplicationEventPublisher eventPublisher) {
-        this.paymentRepo = paymentRepo;
-        this.orderRepo = orderRepo;
-        this.eventPublisher = eventPublisher;
-    }
-
-    @Transactional
-    public Payment getOrCreatePaymentForOrder(Order order, String defaultMethod) {
-        Optional<Payment> existing = paymentRepo.findByOrder_Id(order.getId());
-        if (existing.isPresent()) {
-            return existing.get();
-        }
-
-        Payment payment = new Payment();
-        payment.setOrder(order);
-        // Default to "OTHER" always, as payment method should only be set by the admin explicitly
-        payment.setMethod("OTHER");
-        payment.setStatus("PENDING");
-        payment.setCurrency(order.getCurrency() != null ? order.getCurrency() : "CHF");
-        payment.setAmountChf(order.getTotalChf() != null ? order.getTotalChf() : BigDecimal.ZERO);
-        payment.setInitiatedAt(OffsetDateTime.now());
-
-        return paymentRepo.save(payment);
-    }
-
-    @Transactional
-    public Payment reportPayment(UUID orderId, String method) {
-        Order order = orderRepo.findById(orderId)
-                .orElseThrow(() -> new RuntimeException("Order not found with id " + orderId));
-
-        Payment payment = paymentRepo.findByOrder_Id(orderId)
-                .orElseGet(() -> getOrCreatePaymentForOrder(order, "OTHER"));
-
-        if (!"PENDING".equals(payment.getStatus())) {
-            throw new IllegalStateException("Payment is not in PENDING state. Current state: " + payment.getStatus());
-        }
-
-        payment.setStatus("REPORTED");
-        payment.setReportedAt(OffsetDateTime.now());
-        
-        // We intentionally do not update the payment method here based on user input,
-        // because the user cannot reliably determine the actual method without an integration.
-        // It will be updated by the backoffice admin manually.
-
-        payment = paymentRepo.save(payment);
-
-        eventPublisher.publishEvent(new PaymentReportedEvent(this, order, payment));
-
-        return payment;
-    }
-
-    @Transactional
-    public Payment confirmPayment(UUID orderId, String method) {
-        Order order = orderRepo.findById(orderId)
-                .orElseThrow(() -> new RuntimeException("Order not found with id " + orderId));
-
-        Payment payment = paymentRepo.findByOrder_Id(orderId)
-                .orElseGet(() -> getOrCreatePaymentForOrder(order, method != null ? method : "OTHER"));
-
-        payment.setStatus("COMPLETED");
-        if (method != null && !method.isBlank()) {
-            payment.setMethod(method.toUpperCase());
-        }
-        payment.setReceivedAt(OffsetDateTime.now());
-        payment = paymentRepo.save(payment);
-
-        order.setStatus("IN_PRODUCTION");
-        order.setPaidAt(OffsetDateTime.now());
-        orderRepo.save(order);
-
-        eventPublisher.publishEvent(new PaymentConfirmedEvent(this, order, payment));
-
-        return payment;
-    }
-}

backend/src/main/java/com/printcalculator/service/ProfileManager.java

@@ -10,23 +10,19 @@ import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
-import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.Optional;
 import java.util.logging.Logger;
 import java.util.stream.Stream;
 import java.util.Map;
 import java.util.HashMap;
-import java.util.List;
+import java.math.BigDecimal;
-import java.util.LinkedHashSet;
-import java.util.Set;
 
 @Service
 public class ProfileManager {
 
     private static final Logger logger = Logger.getLogger(ProfileManager.class.getName());
     private final String profilesRoot;
-    private final Path resolvedProfilesRoot;
     private final ObjectMapper mapper;
 
     private final Map<String, String> profileAliases;
@@ -36,8 +32,6 @@ public class ProfileManager {
         this.mapper = mapper;
         this.profileAliases = new HashMap<>();
         initializeAliases();
-        this.resolvedProfilesRoot = resolveProfilesRoot(profilesRoot);
-        logger.info("Profiles root configured as '" + this.profilesRoot + "', resolved to '" + this.resolvedProfilesRoot + "'");
     }
 
     private void initializeAliases() {
@@ -46,7 +40,6 @@ public class ProfileManager {
         
         // Material Aliases
         profileAliases.put("pla_basic", "Bambu PLA Basic @BBL A1");
-        profileAliases.put("pla_tough", "Bambu PLA Tough @BBL A1");
         profileAliases.put("petg_basic", "Bambu PETG Basic @BBL A1");
         profileAliases.put("tpu_95a", "Bambu TPU 95A @BBL A1");
         
@@ -62,82 +55,42 @@ public class ProfileManager {
     public ObjectNode getMergedProfile(String profileName, String type) throws IOException {
         Path profilePath = findProfileFile(profileName, type);
         if (profilePath == null) {
-            throw new IOException("Profile not found: " + profileName + " (root=" + resolvedProfilesRoot + ")");
+            throw new IOException("Profile not found: " + profileName);
         }
-        logger.info("Resolved " + type + " profile '" + profileName + "' -> " + profilePath);
         return resolveInheritance(profilePath);
     }
 
-    private Path findProfileFile(String name, String type) {
+    public String resolveMachineProfileName(String machineName, Double nozzleDiameter) {
-        if (!Files.isDirectory(resolvedProfilesRoot)) {
+        String resolvedName = profileAliases.getOrDefault(machineName, machineName);
-            logger.severe("Profiles root does not exist or is not a directory: " + resolvedProfilesRoot);
+        if (nozzleDiameter == null) return resolvedName;
-            return null;
+
+        String base = resolvedName.replaceAll("\\s*\\d+(?:\\.\\d+)?\\s*nozzle$", "").trim();
+        String formatted = BigDecimal.valueOf(nozzleDiameter).stripTrailingZeros().toPlainString();
+        String candidate = base + " " + formatted + " nozzle";
+
+        Path exists = findProfileFile(candidate, "machine");
+        return exists != null ? candidate : resolvedName;
     }
 
+    private Path findProfileFile(String name, String type) {
         // Check aliases first
         String resolvedName = profileAliases.getOrDefault(name, name);
         
-        // Look for name.json under the expected type directory first to avoid
+        // Simple search: look for name.json in the profiles_root recursively
-        // collisions across vendors/profile families with same filename.
+        // Type could be "machine", "process", "filament" to narrow down, but for now global search
-        String filename = toJsonFilename(resolvedName);
+        String filename = resolvedName.endsWith(".json") ? resolvedName : resolvedName + ".json";
         
-        try (Stream<Path> stream = Files.walk(resolvedProfilesRoot)) {
+        try (Stream<Path> stream = Files.walk(Paths.get(profilesRoot))) {
-            List<Path> candidates = stream
+            Optional<Path> found = stream
                     .filter(p -> p.getFileName().toString().equals(filename))
-                    .sorted()
-                    .toList();
-
-            if (candidates.isEmpty()) {
-                return null;
-            }
-
-            if (type != null && !type.isBlank() && !"any".equalsIgnoreCase(type)) {
-                Optional<Path> typed = candidates.stream()
-                        .filter(p -> pathContainsSegment(p, type))
                     .findFirst();
-                if (typed.isPresent()) {
+            return found.orElse(null);
-                    return typed.get();
-                }
-            }
-
-            return candidates.get(0);
         } catch (IOException e) {
             logger.severe("Error searching for profile: " + e.getMessage());
             return null;
         }
     }
 
-    private Path resolveProfilesRoot(String configuredRoot) {
-        Set<Path> candidates = new LinkedHashSet<>();
-        Path cwd = Paths.get("").toAbsolutePath().normalize();
-
-        if (configuredRoot != null && !configuredRoot.isBlank()) {
-            Path configured = Paths.get(configuredRoot);
-            candidates.add(configured.toAbsolutePath().normalize());
-            if (!configured.isAbsolute()) {
-                candidates.add(cwd.resolve(configuredRoot).normalize());
-            }
-        }
-
-        candidates.add(cwd.resolve("profiles").normalize());
-        candidates.add(cwd.resolve("backend/profiles").normalize());
-        candidates.add(Paths.get("/app/profiles").toAbsolutePath().normalize());
-
-        List<String> checkedPaths = new ArrayList<>();
-        for (Path candidate : candidates) {
-            checkedPaths.add(candidate.toString());
-            if (Files.isDirectory(candidate)) {
-                return candidate;
-            }
-        }
-
-        logger.warning("No profiles directory found. Checked: " + String.join(", ", checkedPaths));
-        if (configuredRoot != null && !configuredRoot.isBlank()) {
-            return Paths.get(configuredRoot).toAbsolutePath().normalize();
-        }
-        return cwd.resolve("profiles").normalize();
-    }
-
     private ObjectNode resolveInheritance(Path currentPath) throws IOException {
         // 1. Load current
         JsonNode currentNode = mapper.readTree(currentPath.toFile());
@@ -145,20 +98,14 @@ public class ProfileManager {
         // 2. Check inherits
         if (currentNode.has("inherits")) {
             String parentName = currentNode.get("inherits").asText();
-            // Try local directory first with explicit .json filename.
+            // Try to find parent in same directory or standard search
-            String parentFilename = toJsonFilename(parentName);
+            Path parentPath = currentPath.getParent().resolve(parentName);
-            Path parentPath = currentPath.getParent().resolve(parentFilename);
             if (!Files.exists(parentPath)) {
-                // Fallback to the same profile type directory before global.
+                // If not in same dir, search globally
-                String inferredType = inferTypeFromPath(currentPath);
-                parentPath = findProfileFile(parentName, inferredType);
-            }
-            if (parentPath == null || !Files.exists(parentPath)) {
                 parentPath = findProfileFile(parentName, "any");
             }
 
             if (parentPath != null && Files.exists(parentPath)) {
-                logger.info("Resolved inherits '" + parentName + "' for " + currentPath + " -> " + parentPath);
                 // Recursive call
                 ObjectNode parentNode = resolveInheritance(parentPath);
                 // Merge current into parent (child overrides parent)
@@ -189,30 +136,4 @@ public class ProfileManager {
             mainNode.set(fieldName, jsonNode);
         }
     }
-
-    private String toJsonFilename(String name) {
-        return name.endsWith(".json") ? name : name + ".json";
-    }
-
-    private boolean pathContainsSegment(Path path, String segment) {
-        String normalized = path.toString().replace('\\', '/');
-        String needle = "/" + segment + "/";
-        return normalized.contains(needle);
-    }
-
-    private String inferTypeFromPath(Path path) {
-        if (path == null) {
-            return "any";
-        }
-        if (pathContainsSegment(path, "machine")) {
-            return "machine";
-        }
-        if (pathContainsSegment(path, "process")) {
-            return "process";
-        }
-        if (pathContainsSegment(path, "filament")) {
-            return "filament";
-        }
-        return "any";
-    }
 }

backend/src/main/java/com/printcalculator/service/QrBillService.java

@@ -22,7 +22,7 @@ public class QrBillService {
         // Creditor (Merchant)
         bill.setAccount("CH7409000000154821581"); // TODO: Configurable IBAN
         bill.setCreditor(createAddress(
-                "Joe Küng",
+                "Küng, Joe",
                 "Via G. Pioda 29a",
                 "6710",
                 "Biasca",
@@ -49,7 +49,9 @@ public class QrBillService {
         bill.setAmount(order.getTotalChf());
         bill.setCurrency("CHF");
 
-        bill.setUnstructuredMessage(order.getId().toString());
+        // Reference
+        // bill.setReference(QRBill.createCreditorReference("...")); // If using QRR
+        bill.setUnstructuredMessage("Order " + order.getId());
 
         return bill;
     }

backend/src/main/java/com/printcalculator/service/QuoteCalculator.java

@@ -21,8 +21,6 @@ import java.util.List;
 
 @Service
 public class QuoteCalculator {
-    private static final BigDecimal SETUP_FEE_DOUBLE_THRESHOLD_CHF = BigDecimal.TEN;
-    private static final BigDecimal SETUP_FEE_MULTIPLIER_BELOW_THRESHOLD = BigDecimal.valueOf(2);
 
     private final PricingPolicyRepository pricingRepo;
     private final PricingPolicyMachineHourTierRepository tierRepo;
@@ -62,70 +60,54 @@ public class QuoteCalculator {
                  .orElseThrow(() -> new RuntimeException("No active printer found"));
         }
 
+        // 3. Fetch Filament Info
+        // filamentProfileName might be "bambu_pla_basic_black" or "Generic PLA"
+        // We try to extract material code (PLA, PETG)
         String materialCode = detectMaterialCode(filamentProfileName);
         FilamentMaterialType materialType = materialRepo.findByMaterialCode(materialCode)
                 .orElseThrow(() -> new RuntimeException("Unknown material type: " + materialCode));
+
+        // Try to find specific variant (e.g. by color if we could parse it)
+        // For now, get default/first active variant for this material
         FilamentVariant variant = variantRepo.findFirstByFilamentMaterialTypeAndIsActiveTrue(materialType)
                 .orElseThrow(() -> new RuntimeException("No active variant for material: " + materialCode));
 
-        return calculate(stats, machine, policy, variant);
+
+        // --- CALCULATIONS ---
+
+        // Material Cost: (weight / 1000) * costPerKg
+        // DISCOUNTED Support material to avoid penalizing users for default supports
+        BigDecimal weightToCharge;
+        if (stats.getModelWeightGrams() != null && stats.getSupportWeightGrams() != null) {
+            // Charge 100% for model + 20% for support
+            weightToCharge = BigDecimal.valueOf(stats.getModelWeightGrams())
+                    .add(BigDecimal.valueOf(stats.getSupportWeightGrams()).multiply(BigDecimal.valueOf(0.2)));
+        } else {
+            weightToCharge = BigDecimal.valueOf(stats.getFilamentWeightGrams());
         }
 
-    public QuoteResult calculate(PrintStats stats, String machineName, FilamentVariant variant) {
+        BigDecimal weightKg = weightToCharge.divide(BigDecimal.valueOf(1000), 4, RoundingMode.HALF_UP);
-        PricingPolicy policy = pricingRepo.findFirstByIsActiveTrueOrderByValidFromDesc();
-        if (policy == null) {
-            throw new RuntimeException("No active pricing policy found");
-        }
-
-        PrinterMachine machine = machineRepo.findByPrinterDisplayName(machineName).orElse(null);
-        if (machine == null) {
-            machine = machineRepo.findFirstByIsActiveTrue()
-                    .orElseThrow(() -> new RuntimeException("No active printer found"));
-        }
-
-        return calculate(stats, machine, policy, variant);
-    }
-
-    private QuoteResult calculate(PrintStats stats, PrinterMachine machine, PricingPolicy policy, FilamentVariant variant) {
-        BigDecimal weightKg = BigDecimal.valueOf(stats.filamentWeightGrams())
-                .divide(BigDecimal.valueOf(1000), 4, RoundingMode.HALF_UP);
         BigDecimal materialCost = weightKg.multiply(variant.getCostChfPerKg());
 
-        BigDecimal totalHours = BigDecimal.valueOf(stats.printTimeSeconds())
+        // Machine Cost: Tiered
-                .divide(BigDecimal.valueOf(3600), 4, RoundingMode.HALF_UP);
+        BigDecimal totalHours = BigDecimal.valueOf(stats.getPrintTimeSeconds()).divide(BigDecimal.valueOf(3600), 4, RoundingMode.HALF_UP);
+        BigDecimal machineCost = calculateMachineCost(policy, totalHours);
 
-        BigDecimal kw = BigDecimal.valueOf(machine.getPowerWatts())
+        // Energy Cost: (watts / 1000) * hours * costPerKwh
-                .divide(BigDecimal.valueOf(1000), 4, RoundingMode.HALF_UP);
+        BigDecimal kw = BigDecimal.valueOf(machine.getPowerWatts()).divide(BigDecimal.valueOf(1000), 4, RoundingMode.HALF_UP);
         BigDecimal kwh = kw.multiply(totalHours);
         BigDecimal energyCost = kwh.multiply(policy.getElectricityCostChfPerKwh());
 
-        BigDecimal subtotal = materialCost.add(energyCost);
+        // Subtotal (Costs + Fixed Fees)
-        BigDecimal markupFactor = BigDecimal.ONE.add(
+        BigDecimal fixedFee = policy.getFixedJobFeeChf();
-                policy.getMarkupPercent().divide(BigDecimal.valueOf(100), 4, RoundingMode.HALF_UP)
+        BigDecimal subtotal = materialCost.add(machineCost).add(energyCost).add(fixedFee);
-        );
-        subtotal = subtotal.multiply(markupFactor);
 
-        return new QuoteResult(subtotal.doubleValue(), "CHF", stats);
+        // Markup
-    }
+        // Markup is percentage (e.g. 20.0)
-    public BigDecimal calculateSessionMachineCost(PricingPolicy policy, BigDecimal hours) {
-        BigDecimal rawCost = calculateMachineCost(policy, hours);
         BigDecimal markupFactor = BigDecimal.ONE.add(policy.getMarkupPercent().divide(BigDecimal.valueOf(100), 4, RoundingMode.HALF_UP));
-        return rawCost.multiply(markupFactor).setScale(2, RoundingMode.HALF_UP);
+        BigDecimal totalPrice = subtotal.multiply(markupFactor).setScale(2, RoundingMode.HALF_UP);
-    }
 
-    public BigDecimal calculateSessionSetupFee(PricingPolicy policy) {
+        return new QuoteResult(totalPrice.doubleValue(), "CHF", stats, fixedFee.doubleValue());
-        if (policy == null || policy.getFixedJobFeeChf() == null) {
-            return BigDecimal.ZERO.setScale(2, RoundingMode.HALF_UP);
-        }
-
-        BigDecimal baseSetupFee = policy.getFixedJobFeeChf();
-        if (baseSetupFee.compareTo(SETUP_FEE_DOUBLE_THRESHOLD_CHF) < 0) {
-            return baseSetupFee
-                    .multiply(SETUP_FEE_MULTIPLIER_BELOW_THRESHOLD)
-                    .setScale(2, RoundingMode.HALF_UP);
-        }
-
-        return baseSetupFee.setScale(2, RoundingMode.HALF_UP);
     }
 
     private BigDecimal calculateMachineCost(PricingPolicy policy, BigDecimal hours) {
@@ -175,7 +157,6 @@ public class QuoteCalculator {
 
     private String detectMaterialCode(String profileName) {
         String lower = profileName.toLowerCase();
-        if (lower.contains("pla tough") || lower.contains("pla_tough")) return "PLA TOUGH";
         if (lower.contains("petg")) return "PETG";
         if (lower.contains("tpu")) return "TPU";
         if (lower.contains("abs")) return "ABS";

backend/src/main/java/com/printcalculator/service/SlicerService.java

@@ -2,7 +2,6 @@ package com.printcalculator.service;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.node.ObjectNode;
-import com.printcalculator.model.ModelDimensions;
 import com.printcalculator.model.PrintStats;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
@@ -10,27 +9,21 @@ import org.springframework.stereotype.Service;
 import java.io.File;
 import java.io.IOException;
 import java.nio.file.Files;
-import java.nio.file.InvalidPathException;
 import java.nio.file.Path;
-import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
-import java.util.Comparator;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
 import java.util.concurrent.TimeUnit;
 import java.util.logging.Logger;
-import java.util.regex.Matcher;
+import java.util.stream.Stream;
-import java.util.regex.Pattern;
 
 @Service
 public class SlicerService {
 
     private static final Logger logger = Logger.getLogger(SlicerService.class.getName());
-    private static final Pattern SIZE_X_PATTERN = Pattern.compile("(?m)^\\s*size_x\\s*=\\s*([-+]?\\d+(?:\\.\\d+)?)\\s*$");
-    private static final Pattern SIZE_Y_PATTERN = Pattern.compile("(?m)^\\s*size_y\\s*=\\s*([-+]?\\d+(?:\\.\\d+)?)\\s*$");
-    private static final Pattern SIZE_Z_PATTERN = Pattern.compile("(?m)^\\s*size_z\\s*=\\s*([-+]?\\d+(?:\\.\\d+)?)\\s*$");
 
-    private final String trustedSlicerPath;
+    private final String slicerPath;
     private final ProfileManager profileManager;
     private final GCodeParser gCodeParser;
     private final ObjectMapper mapper;
@@ -40,7 +33,7 @@ public class SlicerService {
             ProfileManager profileManager,
             GCodeParser gCodeParser,
             ObjectMapper mapper) {
-        this.trustedSlicerPath = normalizeExecutablePath(slicerPath);
+        this.slicerPath = slicerPath;
         this.profileManager = profileManager;
         this.gCodeParser = gCodeParser;
         this.mapper = mapper;
@@ -48,27 +41,15 @@ public class SlicerService {
 
     public PrintStats slice(File inputStl, String machineName, String filamentName, String processName,
                             Map<String, String> machineOverrides, Map<String, String> processOverrides) throws IOException {
-        // 1. Prepare Profiles
         ObjectNode machineProfile = profileManager.getMergedProfile(machineName, "machine");
         ObjectNode filamentProfile = profileManager.getMergedProfile(filamentName, "filament");
         ObjectNode processProfile = profileManager.getMergedProfile(processName, "process");
 
-        logger.info("Slicer profiles: machine='" + machineName + "', filament='" + filamentName + "', process='" + processName + "'");
+        if (machineOverrides != null) machineOverrides.forEach(machineProfile::put);
-        logger.info("Machine limits: printable_area=" + machineProfile.path("printable_area")
+        if (processOverrides != null) processOverrides.forEach(processProfile::put);
-                + ", printable_height=" + machineProfile.path("printable_height")
-                + ", bed_exclude_area=" + machineProfile.path("bed_exclude_area")
-                + ", head_wrap_detect_zone=" + machineProfile.path("head_wrap_detect_zone"));
 
-        // Apply Overrides
-        if (machineOverrides != null) {
-            machineOverrides.forEach(machineProfile::put);
-        }
-        if (processOverrides != null) {
-            processOverrides.forEach(processProfile::put);
-        }
-
-        // 2. Create Temp Dir
         Path tempDir = Files.createTempDirectory("slicer_job_");
+        
         try {
             File mFile = tempDir.resolve("machine.json").toFile();
             File fFile = tempDir.resolve("filament.json").toFile();
@@ -78,233 +59,61 @@ public class SlicerService {
             mapper.writeValue(fFile, filamentProfile);
             mapper.writeValue(pFile, processProfile);
 
-            String basename = inputStl.getName();
+            List<String> command = new ArrayList<>();
-            if (basename.toLowerCase().endsWith(".stl")) {
+            command.add(slicerPath); 
-                basename = basename.substring(0, basename.length() - 4);
-            }
-            Path slicerLogPath = tempDir.resolve("orcaslicer.log");
-            String machineProfilePath = requireSafeArgument(mFile.getAbsolutePath(), "machine profile path");
-            String processProfilePath = requireSafeArgument(pFile.getAbsolutePath(), "process profile path");
-            String filamentProfilePath = requireSafeArgument(fFile.getAbsolutePath(), "filament profile path");
-            String outputDirPath = requireSafeArgument(tempDir.toAbsolutePath().toString(), "output directory path");
-            String inputStlPath = requireSafeArgument(inputStl.getAbsolutePath(), "input STL path");
             
-            // 3. Run slicer. Retry with arrange only for out-of-volume style failures.
-            for (boolean useArrange : new boolean[]{false, true}) {
-                // Build process arguments explicitly to avoid shell interpretation and command injection.
-                ProcessBuilder pb = new ProcessBuilder();
-                List<String> command = pb.command();
-                command.add(trustedSlicerPath);
             command.add("--load-settings");
-                command.add(machineProfilePath);
+            command.add(mFile.getAbsolutePath());
             command.add("--load-settings");
-                command.add(processProfilePath);
+            command.add(pFile.getAbsolutePath());
             command.add("--load-filaments");
-                command.add(filamentProfilePath);
+            command.add(fFile.getAbsolutePath());
+            
             command.add("--ensure-on-bed");
-                if (useArrange) {
             command.add("--arrange");
             command.add("1");
-                }
+            command.add("--outputdir");
+            command.add(tempDir.toAbsolutePath().toString());
+            
             command.add("--slice");
             command.add("0");
-                command.add("--outputdir");
-                command.add(outputDirPath);
-                command.add(inputStlPath);
 
-                logger.info("Executing Slicer" + (useArrange ? " (retry with arrange)" : "") + ": " + String.join(" ", command));
+            command.add(inputStl.getAbsolutePath());
 
-                Files.deleteIfExists(slicerLogPath);
+            logger.info("Executing Slicer: " + String.join(" ", command));
-                pb.directory(tempDir.toFile());
-                pb.redirectErrorStream(true);
-                pb.redirectOutput(slicerLogPath.toFile());
 
-                Process process = pb.start();
+            runSlicerCommand(command, tempDir);
-                boolean finished = process.waitFor(5, TimeUnit.MINUTES);
 
-                if (!finished) {
+            try (Stream<Path> s = Files.list(tempDir)) {
-                    process.destroyForcibly();
+                Optional<Path> found = s.filter(p -> p.toString().endsWith(".gcode")).findFirst();
-                    throw new IOException("Slicer timed out");
+                if (found.isPresent()) return gCodeParser.parse(found.get().toFile());
+                else throw new IOException("No GCode found in " + tempDir);
             }
 
-                if (process.exitValue() != 0) {
-                    String error = "";
-                    if (Files.exists(slicerLogPath)) {
-                        error = Files.readString(slicerLogPath, StandardCharsets.UTF_8);
-                    }
-                    if (!useArrange && isOutOfVolumeError(error)) {
-                        logger.warning("Slicer reported model out of printable area, retrying with arrange.");
-                        continue;
-                    }
-                    throw new IOException("Slicer failed with exit code " + process.exitValue() + ": " + error);
-                }
-
-                File gcodeFile = tempDir.resolve(basename + ".gcode").toFile();
-                if (!gcodeFile.exists()) {
-                    File alt = tempDir.resolve("plate_1.gcode").toFile();
-                    if (alt.exists()) {
-                        gcodeFile = alt;
-                    } else {
-                        throw new IOException("GCode output not found in " + tempDir);
-                    }
-                }
-
-                return gCodeParser.parse(gcodeFile);
-            }
-
-            throw new IOException("Slicer failed after retry");
-
         } catch (InterruptedException e) {
             Thread.currentThread().interrupt();
-            throw new IOException("Interrupted during slicing", e);
+            throw new IOException(e);
-        } finally {
-            deleteRecursively(tempDir);
         }
     }
 
-    public Optional<ModelDimensions> inspectModelDimensions(File inputModel) {
+    protected void runSlicerCommand(List<String> command, Path tempDir) throws IOException, InterruptedException {
-            Path tempDir = null;
+        ProcessBuilder pb = new ProcessBuilder(command);
-        try {
-            tempDir = Files.createTempDirectory("slicer_info_");
-            Path infoLogPath = tempDir.resolve("orcaslicer-info.log");
-            String inputModelPath = requireSafeArgument(inputModel.getAbsolutePath(), "input model path");
-
-            ProcessBuilder pb = new ProcessBuilder();
-            List<String> infoCommand = pb.command();
-            infoCommand.add(trustedSlicerPath);
-            infoCommand.add("--info");
-            infoCommand.add(inputModelPath);
         pb.directory(tempDir.toFile());
-            pb.redirectErrorStream(true);
+        
-            pb.redirectOutput(infoLogPath.toFile());
+        Map<String, String> env = pb.environment();
+        env.put("HOME", "/tmp");
+        env.put("QT_QPA_PLATFORM", "offscreen");
         
         Process process = pb.start();
-            boolean finished = process.waitFor(2, TimeUnit.MINUTES);
+        if (!process.waitFor(5, TimeUnit.MINUTES)) {
-            if (!finished) {
+            process.destroy();
-                process.destroyForcibly();
+            throw new IOException("Slicer timeout");
-                logger.warning("Model info extraction timed out for " + inputModel.getName());
-                return Optional.empty();
         }
 
-            String output = Files.exists(infoLogPath)
-                    ? Files.readString(infoLogPath, StandardCharsets.UTF_8)
-                    : "";
-
         if (process.exitValue() != 0) {
-                logger.warning("OrcaSlicer --info failed (exit " + process.exitValue() + ") for "
+            String out = new String(process.getInputStream().readAllBytes());
-                        + inputModel.getName() + ": " + output);
+            String err = new String(process.getErrorStream().readAllBytes());
-                return Optional.empty();
+            throw new IOException("Slicer failed with exit code " + process.exitValue() + "\nERR: " + err + "\nOUT: " + out);
         }
-
-            Optional<ModelDimensions> parsed = parseModelDimensionsFromInfoOutput(output);
-            if (parsed.isEmpty()) {
-                logger.warning("Could not parse size_x/size_y/size_z from OrcaSlicer --info output for "
-                        + inputModel.getName() + ": " + output);
-            }
-            return parsed;
-        } catch (Exception e) {
-            logger.warning("Failed to inspect model dimensions for " + inputModel.getName() + ": " + e.getMessage());
-            return Optional.empty();
-        } finally {
-            if (tempDir != null) {
-                deleteRecursively(tempDir);
-            }
-        }
-    }
-
-    static Optional<ModelDimensions> parseModelDimensionsFromInfoOutput(String output) {
-        if (output == null || output.isBlank()) {
-            return Optional.empty();
-        }
-
-        Double x = extractDouble(SIZE_X_PATTERN, output);
-        Double y = extractDouble(SIZE_Y_PATTERN, output);
-        Double z = extractDouble(SIZE_Z_PATTERN, output);
-
-        if (x == null || y == null || z == null) {
-            return Optional.empty();
-        }
-
-        if (x <= 0 || y <= 0 || z <= 0) {
-            return Optional.empty();
-        }
-
-        return Optional.of(new ModelDimensions(x, y, z));
-    }
-
-    private static Double extractDouble(Pattern pattern, String text) {
-        Matcher matcher = pattern.matcher(text);
-        if (!matcher.find()) {
-            return null;
-        }
-
-        try {
-            return Double.parseDouble(matcher.group(1));
-        } catch (NumberFormatException ignored) {
-            return null;
-        }
-    }
-
-    private void deleteRecursively(Path path) {
-        if (path == null || !Files.exists(path)) {
-            return;
-        }
-
-        try (var walk = Files.walk(path)) {
-            walk.sorted(Comparator.reverseOrder()).forEach(p -> {
-                try {
-                    Files.deleteIfExists(p);
-                } catch (IOException e) {
-                    logger.warning("Failed to delete temp path " + p + ": " + e.getMessage());
-                }
-            });
-        } catch (IOException e) {
-            logger.warning("Failed to walk temp directory " + path + ": " + e.getMessage());
-        }
-    }
-
-    private boolean isOutOfVolumeError(String errorLog) {
-        if (errorLog == null || errorLog.isBlank()) {
-            return false;
-        }
-
-        String normalized = errorLog.toLowerCase();
-        return normalized.contains("nothing to be sliced")
-                || normalized.contains("no object is fully inside the print volume")
-                || normalized.contains("calc_exclude_triangles");
-    }
-
-    private String normalizeExecutablePath(String configuredPath) {
-        if (configuredPath == null || configuredPath.isBlank()) {
-            throw new IllegalArgumentException("slicer.path is required");
-        }
-        if (containsControlChars(configuredPath)) {
-            throw new IllegalArgumentException("slicer.path contains invalid control characters");
-        }
-        try {
-            return Path.of(configuredPath.trim()).normalize().toString();
-        } catch (InvalidPathException e) {
-            throw new IllegalArgumentException("Invalid slicer.path: " + configuredPath, e);
-        }
-    }
-
-    private String requireSafeArgument(String value, String argName) throws IOException {
-        if (value == null || value.isBlank()) {
-            throw new IOException("Missing required argument: " + argName);
-        }
-        if (containsControlChars(value)) {
-            throw new IOException("Invalid control characters in " + argName);
-        }
-        return value;
-    }
-
-    private boolean containsControlChars(String value) {
-        for (int i = 0; i < value.length(); i++) {
-            char ch = value.charAt(i);
-            if (ch == '\0' || ch == '\n' || ch == '\r') {
-                return true;
-            }
-        }
-        return false;
     }
 }

backend/src/main/java/com/printcalculator/service/StlService.java

@@ -0,0 +1,255 @@
+package com.printcalculator.service;
+
+import com.printcalculator.model.StlBounds;
+import com.printcalculator.model.StlShiftResult;
+import org.springframework.stereotype.Service;
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.RandomAccessFile;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Locale;
+
+@Service
+public class StlService {
+
+    public StlBounds readBounds(File stlFile) throws IOException {
+        long size = stlFile.length();
+        if (size >= 84 && isBinaryStl(stlFile, size)) {
+            return readBinaryBounds(stlFile);
+        }
+        return readAsciiBounds(stlFile);
+    }
+
+    public StlShiftResult shiftToFitIfNeeded(File stlFile, StlBounds bounds,
+                                             int bedX, int bedY, int bedZ) throws IOException {
+        double sizeX = bounds.sizeX();
+        double sizeY = bounds.sizeY();
+        double sizeZ = bounds.sizeZ();
+
+        double targetMinX = (bedX - sizeX) / 2.0;
+        double targetMinY = (bedY - sizeY) / 2.0;
+        double targetMinZ = 0.0;
+
+        double offsetX = targetMinX - bounds.minX();
+        double offsetY = targetMinY - bounds.minY();
+        double offsetZ = targetMinZ - bounds.minZ();
+
+        boolean needsShift = Math.abs(offsetX) > 1e-6 || Math.abs(offsetY) > 1e-6 || Math.abs(offsetZ) > 1e-6;
+        if (!needsShift) {
+            return new StlShiftResult(null, offsetX, offsetY, offsetZ, false);
+        }
+
+        Path shiftedPath = Files.createTempFile("stl_shifted_", ".stl");
+        writeShifted(stlFile, shiftedPath.toFile(), offsetX, offsetY, offsetZ);
+        return new StlShiftResult(shiftedPath, offsetX, offsetY, offsetZ, true);
+    }
+
+    private boolean isBinaryStl(File stlFile, long size) throws IOException {
+        try (RandomAccessFile raf = new RandomAccessFile(stlFile, "r")) {
+            raf.seek(80);
+            long triangleCount = readLEUInt32(raf);
+            long expected = 84L + triangleCount * 50L;
+            return expected == size;
+        }
+    }
+
+    private StlBounds readBinaryBounds(File stlFile) throws IOException {
+        try (RandomAccessFile raf = new RandomAccessFile(stlFile, "r")) {
+            raf.seek(80);
+            long triangleCount = readLEUInt32(raf);
+            raf.seek(84);
+
+            BoundsAccumulator acc = new BoundsAccumulator();
+            for (long i = 0; i < triangleCount; i++) {
+                // skip normal
+                readLEFloat(raf);
+                readLEFloat(raf);
+                readLEFloat(raf);
+                // 3 vertices
+                acc.accept(readLEFloat(raf), readLEFloat(raf), readLEFloat(raf));
+                acc.accept(readLEFloat(raf), readLEFloat(raf), readLEFloat(raf));
+                acc.accept(readLEFloat(raf), readLEFloat(raf), readLEFloat(raf));
+                // skip attribute byte count
+                raf.skipBytes(2);
+            }
+            return acc.toBounds();
+        }
+    }
+
+    private StlBounds readAsciiBounds(File stlFile) throws IOException {
+        BoundsAccumulator acc = new BoundsAccumulator();
+        try (BufferedReader reader = Files.newBufferedReader(stlFile.toPath(), StandardCharsets.US_ASCII)) {
+            String line;
+            while ((line = reader.readLine()) != null) {
+                line = line.trim();
+                if (!line.startsWith("vertex")) continue;
+                String[] parts = line.split("\\s+");
+                if (parts.length < 4) continue;
+                double x = Double.parseDouble(parts[1]);
+                double y = Double.parseDouble(parts[2]);
+                double z = Double.parseDouble(parts[3]);
+                acc.accept(x, y, z);
+            }
+        }
+        return acc.toBounds();
+    }
+
+    private void writeShifted(File input, File output, double offsetX, double offsetY, double offsetZ) throws IOException {
+        long size = input.length();
+        if (size >= 84 && isBinaryStl(input, size)) {
+            writeShiftedBinary(input, output, offsetX, offsetY, offsetZ);
+        } else {
+            writeShiftedAscii(input, output, offsetX, offsetY, offsetZ);
+        }
+    }
+
+    private void writeShiftedAscii(File input, File output, double offsetX, double offsetY, double offsetZ) throws IOException {
+        try (BufferedReader reader = Files.newBufferedReader(input.toPath(), StandardCharsets.US_ASCII);
+             BufferedWriter writer = Files.newBufferedWriter(output.toPath(), StandardCharsets.US_ASCII)) {
+            String line;
+            while ((line = reader.readLine()) != null) {
+                String trimmed = line.trim();
+                if (!trimmed.startsWith("vertex")) {
+                    writer.write(line);
+                    writer.newLine();
+                    continue;
+                }
+                String[] parts = trimmed.split("\\s+");
+                if (parts.length < 4) {
+                    writer.write(line);
+                    writer.newLine();
+                    continue;
+                }
+                double x = Double.parseDouble(parts[1]) + offsetX;
+                double y = Double.parseDouble(parts[2]) + offsetY;
+                double z = Double.parseDouble(parts[3]) + offsetZ;
+                int idx = line.indexOf("vertex");
+                String indent = idx > 0 ? line.substring(0, idx) : "";
+                writer.write(indent + String.format(Locale.US, "vertex %.6f %.6f %.6f", x, y, z));
+                writer.newLine();
+            }
+        }
+    }
+
+    private void writeShiftedBinary(File input, File output, double offsetX, double offsetY, double offsetZ) throws IOException {
+        try (RandomAccessFile raf = new RandomAccessFile(input, "r");
+             OutputStream out = new FileOutputStream(output)) {
+            byte[] header = new byte[80];
+            raf.readFully(header);
+            out.write(header);
+
+            long triangleCount = readLEUInt32(raf);
+            writeLEUInt32(out, triangleCount);
+
+            for (long i = 0; i < triangleCount; i++) {
+                // normal
+                writeLEFloat(out, readLEFloat(raf));
+                writeLEFloat(out, readLEFloat(raf));
+                writeLEFloat(out, readLEFloat(raf));
+
+                // vertices
+                writeLEFloat(out, (float) (readLEFloat(raf) + offsetX));
+                writeLEFloat(out, (float) (readLEFloat(raf) + offsetY));
+                writeLEFloat(out, (float) (readLEFloat(raf) + offsetZ));
+
+                writeLEFloat(out, (float) (readLEFloat(raf) + offsetX));
+                writeLEFloat(out, (float) (readLEFloat(raf) + offsetY));
+                writeLEFloat(out, (float) (readLEFloat(raf) + offsetZ));
+
+                writeLEFloat(out, (float) (readLEFloat(raf) + offsetX));
+                writeLEFloat(out, (float) (readLEFloat(raf) + offsetY));
+                writeLEFloat(out, (float) (readLEFloat(raf) + offsetZ));
+
+                // attribute byte count
+                int b1 = raf.read();
+                int b2 = raf.read();
+                if ((b1 | b2) < 0) throw new IOException("Unexpected EOF while reading STL");
+                out.write(b1);
+                out.write(b2);
+            }
+        }
+    }
+
+    private long readLEUInt32(RandomAccessFile raf) throws IOException {
+        int b1 = raf.read();
+        int b2 = raf.read();
+        int b3 = raf.read();
+        int b4 = raf.read();
+        if ((b1 | b2 | b3 | b4) < 0) throw new IOException("Unexpected EOF while reading STL");
+        return ((long) b1 & 0xFF)
+                | (((long) b2 & 0xFF) << 8)
+                | (((long) b3 & 0xFF) << 16)
+                | (((long) b4 & 0xFF) << 24);
+    }
+
+    private int readLEInt(RandomAccessFile raf) throws IOException {
+        int b1 = raf.read();
+        int b2 = raf.read();
+        int b3 = raf.read();
+        int b4 = raf.read();
+        if ((b1 | b2 | b3 | b4) < 0) throw new IOException("Unexpected EOF while reading STL");
+        return (b1 & 0xFF)
+                | ((b2 & 0xFF) << 8)
+                | ((b3 & 0xFF) << 16)
+                | ((b4 & 0xFF) << 24);
+    }
+
+    private float readLEFloat(RandomAccessFile raf) throws IOException {
+        return Float.intBitsToFloat(readLEInt(raf));
+    }
+
+    private void writeLEUInt32(OutputStream out, long value) throws IOException {
+        out.write((int) (value & 0xFF));
+        out.write((int) ((value >> 8) & 0xFF));
+        out.write((int) ((value >> 16) & 0xFF));
+        out.write((int) ((value >> 24) & 0xFF));
+    }
+
+    private void writeLEFloat(OutputStream out, float value) throws IOException {
+        int bits = Float.floatToIntBits(value);
+        out.write(bits & 0xFF);
+        out.write((bits >> 8) & 0xFF);
+        out.write((bits >> 16) & 0xFF);
+        out.write((bits >> 24) & 0xFF);
+    }
+
+    private static class BoundsAccumulator {
+        private boolean hasPoint = false;
+        private double minX;
+        private double minY;
+        private double minZ;
+        private double maxX;
+        private double maxY;
+        private double maxZ;
+
+        void accept(double x, double y, double z) {
+            if (!hasPoint) {
+                minX = maxX = x;
+                minY = maxY = y;
+                minZ = maxZ = z;
+                hasPoint = true;
+                return;
+            }
+            if (x < minX) minX = x;
+            if (y < minY) minY = y;
+            if (z < minZ) minZ = z;
+            if (x > maxX) maxX = x;
+            if (y > maxY) maxY = y;
+            if (z > maxZ) maxZ = z;
+        }
+
+        StlBounds toBounds() throws IOException {
+            if (!hasPoint) {
+                throw new IOException("STL appears to contain no vertices");
+            }
+            return new StlBounds(minX, minY, minZ, maxX, maxY, maxZ);
+        }
+    }
+}

backend/src/main/java/com/printcalculator/service/TwintPaymentService.java

@@ -1,93 +0,0 @@
-package com.printcalculator.service;
-
-import io.nayuki.qrcodegen.QrCode;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.stereotype.Service;
-
-import javax.imageio.ImageIO;
-import java.awt.*;
-import java.awt.image.BufferedImage;
-import java.io.ByteArrayOutputStream;
-
-@Service
-public class TwintPaymentService {
-
-    private final String twintPaymentUrl;
-
-    public TwintPaymentService(
-            @Value("${payment.twint.url:}")
-            String twintPaymentUrl
-    ) {
-        this.twintPaymentUrl = twintPaymentUrl;
-    }
-
-    public String getTwintPaymentUrl(com.printcalculator.entity.Order order) {
-        if (twintPaymentUrl == null || twintPaymentUrl.isBlank()) {
-            throw new IllegalStateException("TWINT_PAYMENT_URL is not configured");
-        }
-
-        StringBuilder urlBuilder = new StringBuilder(twintPaymentUrl);
-        
-        if (order != null) {
-            if (order.getTotalChf() != null) {
-                urlBuilder.append("&amount=").append(order.getTotalChf().toPlainString());
-            }
-            
-            String orderNumber = order.getOrderNumber();
-            if (orderNumber == null && order.getId() != null) {
-                orderNumber = order.getId().toString();
-            }
-            
-            if (orderNumber != null) {
-                try {
-                    urlBuilder.append("&trxInfo=").append(order.getId());
-                } catch (Exception e) {
-                    e.printStackTrace();
-                    return null;
-                }
-            }
-        }
-        
-        return urlBuilder.toString();
-    }
-
-    public byte[] generateQrPng(com.printcalculator.entity.Order order, int sizePx) {
-        try {
-            String url = getTwintPaymentUrl(order);
-            // Use High Error Correction for financial QR codes
-            QrCode qrCode = QrCode.encodeText(url, QrCode.Ecc.HIGH);
-            
-            // Standard QR quiet zone is 4 modules
-            int borderModules = 4;
-            int fullModules = qrCode.size + borderModules * 2;
-            int scale = Math.max(1, sizePx / fullModules);
-            int imageSize = fullModules * scale;
-
-            BufferedImage image = new BufferedImage(imageSize, imageSize, BufferedImage.TYPE_INT_RGB);
-            Graphics2D graphics = image.createGraphics();
-            try {
-                graphics.setColor(Color.WHITE);
-                graphics.fillRect(0, 0, imageSize, imageSize);
-                graphics.setColor(Color.BLACK);
-
-                for (int y = 0; y < qrCode.size; y++) {
-                    for (int x = 0; x < qrCode.size; x++) {
-                        if (qrCode.getModule(x, y)) {
-                            int px = (x + borderModules) * scale;
-                            int py = (y + borderModules) * scale;
-                            graphics.fillRect(px, py, scale, scale);
-                        }
-                    }
-                }
-            } finally {
-                graphics.dispose();
-            }
-
-            ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
-            ImageIO.write(image, "png", outputStream);
-            return outputStream.toByteArray();
-        } catch (Exception ex) {
-            throw new IllegalStateException("Unable to generate TWINT QR image.", ex);
-        }
-    }
-}

backend/src/main/java/com/printcalculator/service/email/EmailNotificationService.java

@@ -1,29 +0,0 @@
-package com.printcalculator.service.email;
-
-import java.util.Map;
-
-public interface EmailNotificationService {
-
-    /**
-     * Sends an HTML email using a Thymeleaf template.
-     *
-     * @param to           The recipient email address.
-     * @param subject      The subject of the email.
-     * @param templateName The name of the Thymeleaf template (e.g., "order-confirmation").
-     * @param contextData  The data to populate the template with.
-     */
-    void sendEmail(String to, String subject, String templateName, Map<String, Object> contextData);
-
-    /**
-     * Sends an HTML email using a Thymeleaf template, with an optional attachment.
-     *
-     * @param to             The recipient email address.
-     * @param subject        The subject of the email.
-     * @param templateName   The name of the Thymeleaf template (e.g., "order-confirmation").
-     * @param contextData    The data to populate the template with.
-     * @param attachmentName The name for the attachment file.
-     * @param attachmentData The raw bytes of the attachment.
-     */
-    void sendEmailWithAttachment(String to, String subject, String templateName, Map<String, Object> contextData, String attachmentName, byte[] attachmentData);
-
-}

backend/src/main/java/com/printcalculator/service/email/SmtpEmailNotificationService.java

@@ -1,72 +0,0 @@
-package com.printcalculator.service.email;
-
-import jakarta.mail.MessagingException;
-import jakarta.mail.internet.MimeMessage;
-import lombok.RequiredArgsConstructor;
-import lombok.extern.slf4j.Slf4j;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.mail.javamail.JavaMailSender;
-import org.springframework.mail.javamail.MimeMessageHelper;
-import org.springframework.stereotype.Service;
-import org.thymeleaf.TemplateEngine;
-import org.thymeleaf.context.Context;
-import org.springframework.core.io.ByteArrayResource;
-
-import java.util.Map;
-
-@Slf4j
-@Service
-@RequiredArgsConstructor
-public class SmtpEmailNotificationService implements EmailNotificationService {
-
-    private final JavaMailSender emailSender;
-    private final TemplateEngine templateEngine;
-
-    @Value("${app.mail.from}")
-    private String fromAddress;
-
-    @Value("${app.mail.enabled:true}")
-    private boolean mailEnabled;
-
-    @Override
-    public void sendEmail(String to, String subject, String templateName, Map<String, Object> contextData) {
-        sendEmailWithAttachment(to, subject, templateName, contextData, null, null);
-    }
-
-    @Override
-    public void sendEmailWithAttachment(String to, String subject, String templateName, Map<String, Object> contextData, String attachmentName, byte[] attachmentData) {
-        if (!mailEnabled) {
-            log.info("Email sending disabled (app.mail.enabled=false). Skipping email to {}", to);
-            return;
-        }
-
-        log.info("Preparing to send email to {} with template {}", to, templateName);
-
-        try {
-            Context context = new Context();
-            context.setVariables(contextData);
-
-            String process = templateEngine.process("email/" + templateName, context);
-            MimeMessage mimeMessage = emailSender.createMimeMessage();
-            MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true, "UTF-8");
-
-            helper.setFrom(fromAddress);
-            helper.setTo(to);
-            helper.setSubject(subject);
-            helper.setText(process, true); // true indicates HTML format
-
-            if (attachmentName != null && attachmentData != null) {
-                helper.addAttachment(attachmentName, new ByteArrayResource(attachmentData));
-            }
-
-            emailSender.send(mimeMessage);
-            log.info("Email successfully sent to {}", to);
-
-        } catch (MessagingException e) {
-            log.error("Failed to send email to {}", to, e);
-            // Non blocco l'ordine se l'email fallisce, ma loggo l'errore adeguatamente.
-        } catch (Exception e) {
-            log.error("Unexpected error while sending email to {}", to, e);
-        }
-    }
-}

backend/src/main/resources/application-local.properties

@@ -1,8 +0,0 @@
-app.mail.enabled=false
-app.mail.admin.enabled=false
-app.mail.contact-request.admin.enabled=false
-
-# Admin back-office local test credentials
-admin.password=local-admin-password
-admin.session.secret=local-session-secret-for-dev-only-000000000000000000000000
-admin.session.ttl-minutes=480

backend/src/main/resources/application.properties

@@ -4,10 +4,9 @@ server.port=8000
 # Database Configuration
 spring.datasource.url=${DB_URL:jdbc:postgresql://localhost:5432/printcalc}
 spring.datasource.username=${DB_USERNAME:printcalc}
-spring.datasource.password=${DB_PASSWORD:}
+spring.datasource.password=${DB_PASSWORD:printcalc_secret}
 spring.jpa.hibernate.ddl-auto=update
 spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.PostgreSQLDialect
-spring.jpa.open-in-view=false
 
 
 # Slicer Configuration
@@ -25,31 +24,3 @@ clamav.host=${CLAMAV_HOST:clamav}
 clamav.port=${CLAMAV_PORT:3310}
 clamav.enabled=${CLAMAV_ENABLED:false}
 
-# TWINT Configuration
-payment.twint.url=${TWINT_PAYMENT_URL:}
-
-# Mail Configuration
-spring.mail.host=${MAIL_HOST:mail.infomaniak.com}
-spring.mail.port=${MAIL_PORT:587}
-spring.mail.username=${MAIL_USERNAME:info@3d-fab.ch}
-spring.mail.password=${MAIL_PASSWORD:}
-spring.mail.properties.mail.smtp.auth=${MAIL_SMTP_AUTH:false}
-spring.mail.properties.mail.smtp.starttls.enable=${MAIL_SMTP_STARTTLS:false}
-
-# Application Mail Settings
-app.mail.enabled=${APP_MAIL_ENABLED:true}
-app.mail.from=${APP_MAIL_FROM:${MAIL_USERNAME:noreply@printcalculator.local}}
-app.mail.admin.enabled=${APP_MAIL_ADMIN_ENABLED:true}
-app.mail.admin.address=${APP_MAIL_ADMIN_ADDRESS:admin@printcalculator.local}
-app.mail.contact-request.admin.enabled=${APP_MAIL_CONTACT_REQUEST_ADMIN_ENABLED:true}
-app.mail.contact-request.admin.address=${APP_MAIL_CONTACT_REQUEST_ADMIN_ADDRESS:infog@3d-fab.ch}
-app.frontend.base-url=${APP_FRONTEND_BASE_URL:http://localhost:4200}
-
-# Admin back-office authentication
-admin.password=${ADMIN_PASSWORD}
-admin.session.secret=${ADMIN_SESSION_SECRET}
-admin.session.ttl-minutes=${ADMIN_SESSION_TTL_MINUTES:480}
-admin.auth.trust-proxy-headers=${ADMIN_AUTH_TRUST_PROXY_HEADERS:false}
-
-# Expose only liveness endpoint by default.
-management.endpoints.web.exposure.include=health

backend/src/main/resources/templates/email/contact-request-admin.html

@@ -1,121 +0,0 @@
-<!DOCTYPE html>
-<html xmlns:th="http://www.thymeleaf.org">
-<head>
-    <meta charset="UTF-8">
-    <title>Nuova richiesta di contatto</title>
-    <style>
-        body {
-            font-family: Arial, sans-serif;
-            background-color: #f4f4f4;
-            margin: 0;
-            padding: 0;
-        }
-
-        .container {
-            max-width: 640px;
-            margin: 20px auto;
-            background-color: #ffffff;
-            padding: 20px;
-            border-radius: 8px;
-            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
-        }
-
-        h1 {
-            margin-top: 0;
-            color: #222222;
-        }
-
-        p {
-            color: #444444;
-            line-height: 1.5;
-        }
-
-        table {
-            width: 100%;
-            border-collapse: collapse;
-            margin-top: 16px;
-        }
-
-        th,
-        td {
-            text-align: left;
-            vertical-align: top;
-            border-bottom: 1px solid #eeeeee;
-            padding: 10px 6px;
-            color: #333333;
-            word-break: break-word;
-        }
-
-        th {
-            width: 35%;
-            color: #222222;
-            background: #fafafa;
-        }
-
-        .footer {
-            margin-top: 24px;
-            font-size: 12px;
-            color: #888888;
-            border-top: 1px solid #eeeeee;
-            padding-top: 12px;
-        }
-    </style>
-</head>
-<body>
-<div class="container">
-    <h1>Nuova richiesta di contatto</h1>
-    <p>E' stata ricevuta una nuova richiesta dal form contatti/su misura.</p>
-
-    <table>
-        <tr>
-            <th>ID richiesta</th>
-            <td th:text="${requestId}">00000000-0000-0000-0000-000000000000</td>
-        </tr>
-        <tr>
-            <th>Data</th>
-            <td th:text="${createdAt}">2026-03-03T10:00:00Z</td>
-        </tr>
-        <tr>
-            <th>Tipo richiesta</th>
-            <td th:text="${requestType}">PRINT_SERVICE</td>
-        </tr>
-        <tr>
-            <th>Tipo cliente</th>
-            <td th:text="${customerType}">PRIVATE</td>
-        </tr>
-        <tr>
-            <th>Nome</th>
-            <td th:text="${name}">Mario Rossi</td>
-        </tr>
-        <tr>
-            <th>Azienda</th>
-            <td th:text="${companyName}">3D Fab SA</td>
-        </tr>
-        <tr>
-            <th>Contatto</th>
-            <td th:text="${contactPerson}">Mario Rossi</td>
-        </tr>
-        <tr>
-            <th>Email</th>
-            <td th:text="${email}">cliente@example.com</td>
-        </tr>
-        <tr>
-            <th>Telefono</th>
-            <td th:text="${phone}">+41 00 000 00 00</td>
-        </tr>
-        <tr>
-            <th>Messaggio</th>
-            <td th:text="${message}">Testo richiesta cliente...</td>
-        </tr>
-        <tr>
-            <th>Allegati</th>
-            <td th:text="${attachmentsCount}">0</td>
-        </tr>
-    </table>
-
-    <div class="footer">
-        <p>&copy; <span th:text="${currentYear}">2026</span> 3D-Fab - notifica automatica.</p>
-    </div>
-</div>
-</body>
-</html>

backend/src/main/resources/templates/email/order-confirmation.html

@@ -1,110 +0,0 @@
-<!DOCTYPE html>
-<html xmlns:th="http://www.thymeleaf.org">
-<head>
-    <meta charset="UTF-8">
-    <title th:text="${emailTitle}">Order Confirmation</title>
-    <style>
-        body {
-            font-family: Arial, sans-serif;
-            background-color: #f4f4f4;
-            margin: 0;
-            padding: 0;
-        }
-
-        .container {
-            max-width: 600px;
-            margin: 20px auto;
-            background-color: #ffffff;
-            padding: 20px;
-            border-radius: 8px;
-            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
-        }
-
-        .header {
-            text-align: center;
-            border-bottom: 1px solid #eeeeee;
-            padding-bottom: 20px;
-            margin-bottom: 20px;
-        }
-
-        .header h1 {
-            color: #333333;
-        }
-
-        .content {
-            color: #555555;
-            line-height: 1.6;
-        }
-
-        .order-details {
-            background-color: #f9f9f9;
-            padding: 15px;
-            border-radius: 5px;
-            margin-top: 20px;
-        }
-
-        .order-details th {
-            text-align: left;
-            padding-right: 20px;
-            color: #333333;
-            vertical-align: top;
-        }
-
-        .order-details td {
-            word-break: break-word;
-        }
-
-        .footer {
-            text-align: center;
-            font-size: 0.9em;
-            color: #999999;
-            margin-top: 30px;
-            border-top: 1px solid #eeeeee;
-            padding-top: 20px;
-        }
-    </style>
-</head>
-<body>
-<div class="container">
-    <div class="header">
-        <h1 th:text="${headlineText}">Thank you for your order #00000000</h1>
-    </div>
-
-    <div class="content">
-        <p th:text="${greetingText}">Hi Customer,</p>
-        <p th:text="${introText}">We received your order and started processing it.</p>
-
-        <div class="order-details">
-            <p style="margin-top:0; font-weight: bold;" th:text="${detailsTitleText}">Order details</p>
-            <table>
-                <tr>
-                    <th th:text="${labelOrderNumber}">Order number</th>
-                    <td th:text="${orderNumber}">00000000</td>
-                </tr>
-                <tr>
-                    <th th:text="${labelDate}">Date</th>
-                    <td th:text="${orderDate}">Jan 1, 2026, 10:00:00 AM</td>
-                </tr>
-                <tr>
-                    <th th:text="${labelTotal}">Total</th>
-                    <td th:text="${totalCost}">CHF 0.00</td>
-                </tr>
-            </table>
-        </div>
-
-        <p>
-            <span th:text="${orderDetailsCtaText}">View order status</span>:
-            <a th:href="${orderDetailsUrl}" th:text="${orderDetailsUrl}">https://example.com/en/co/00000000-0000-0000-0000-000000000000</a>
-        </p>
-
-        <p th:text="${attachmentHintText}">The order confirmation PDF is attached.</p>
-        <p th:text="${supportText}">If you have questions, reply to this email.</p>
-    </div>
-
-    <div class="footer">
-        <p>&copy; <span th:text="${currentYear}">2026</span> 3D-Fab</p>
-        <p th:text="${footerText}">Automated message.</p>
-    </div>
-</div>
-</body>
-</html>

backend/src/main/resources/templates/email/payment-confirmed.html

@@ -1,111 +0,0 @@
-<!DOCTYPE html>
-<html xmlns:th="http://www.thymeleaf.org">
-<head>
-    <meta charset="UTF-8">
-    <title th:text="${emailTitle}">Payment Confirmed</title>
-    <style>
-        body {
-            font-family: Arial, sans-serif;
-            background-color: #f4f4f4;
-            margin: 0;
-            padding: 0;
-        }
-
-        .container {
-            max-width: 600px;
-            margin: 20px auto;
-            background-color: #ffffff;
-            padding: 20px;
-            border-radius: 8px;
-            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
-        }
-
-        .header {
-            text-align: center;
-            border-bottom: 1px solid #eeeeee;
-            padding-bottom: 20px;
-            margin-bottom: 20px;
-        }
-
-        .header h1 {
-            color: #333333;
-        }
-
-        .content {
-            color: #555555;
-            line-height: 1.6;
-        }
-
-        .status-box {
-            background-color: #e8f8ee;
-            border: 1px solid #9fd4af;
-            border-radius: 5px;
-            padding: 12px;
-            margin-top: 18px;
-        }
-
-        .order-box {
-            background-color: #f9f9f9;
-            border-radius: 5px;
-            padding: 12px;
-            margin-top: 18px;
-        }
-
-        .order-box th {
-            text-align: left;
-            padding-right: 18px;
-            vertical-align: top;
-        }
-
-        .footer {
-            text-align: center;
-            font-size: 0.9em;
-            color: #999999;
-            margin-top: 30px;
-            border-top: 1px solid #eeeeee;
-            padding-top: 20px;
-        }
-    </style>
-</head>
-<body>
-<div class="container">
-    <div class="header">
-        <h1 th:text="${headlineText}">Payment confirmed for order #00000000</h1>
-    </div>
-
-    <div class="content">
-        <p th:text="${greetingText}">Hi Customer,</p>
-        <p th:text="${introText}">Your payment has been confirmed and your order is now in production.</p>
-
-        <div class="status-box">
-            <strong th:text="${statusText}">Current status: In production.</strong>
-        </div>
-
-        <div class="order-box">
-            <table>
-                <tr>
-                    <th th:text="${labelOrderNumber}">Order number</th>
-                    <td th:text="${orderNumber}">00000000</td>
-                </tr>
-                <tr>
-                    <th th:text="${labelTotal}">Total</th>
-                    <td th:text="${totalCost}">CHF 0.00</td>
-                </tr>
-            </table>
-        </div>
-
-        <p th:text="${attachmentHintText}">The paid invoice PDF is attached to this email.</p>
-        <p>
-            <span th:text="${orderDetailsCtaText}">View order status</span>:
-            <a th:href="${orderDetailsUrl}" th:text="${orderDetailsUrl}">https://example.com/en/co/00000000-0000-0000-0000-000000000000</a>
-        </p>
-        <p th:text="${supportText}">We will notify you when shipment is ready.</p>
-    </div>
-
-    <div class="footer">
-        <p>&copy; <span th:text="${currentYear}">2026</span> 3D-Fab</p>
-        <p th:text="${footerText}">Automated message.</p>
-    </div>
-</div>
-</body>
-</html>

backend/src/main/resources/templates/email/payment-reported.html

@@ -1,110 +0,0 @@
-<!DOCTYPE html>
-<html xmlns:th="http://www.thymeleaf.org">
-<head>
-    <meta charset="UTF-8">
-    <title th:text="${emailTitle}">Payment Reported</title>
-    <style>
-        body {
-            font-family: Arial, sans-serif;
-            background-color: #f4f4f4;
-            margin: 0;
-            padding: 0;
-        }
-
-        .container {
-            max-width: 600px;
-            margin: 20px auto;
-            background-color: #ffffff;
-            padding: 20px;
-            border-radius: 8px;
-            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
-        }
-
-        .header {
-            text-align: center;
-            border-bottom: 1px solid #eeeeee;
-            padding-bottom: 20px;
-            margin-bottom: 20px;
-        }
-
-        .header h1 {
-            color: #333333;
-        }
-
-        .content {
-            color: #555555;
-            line-height: 1.6;
-        }
-
-        .status-box {
-            background-color: #fff9e8;
-            border: 1px solid #f4d68a;
-            border-radius: 5px;
-            padding: 12px;
-            margin-top: 18px;
-        }
-
-        .order-box {
-            background-color: #f9f9f9;
-            border-radius: 5px;
-            padding: 12px;
-            margin-top: 18px;
-        }
-
-        .order-box th {
-            text-align: left;
-            padding-right: 18px;
-            vertical-align: top;
-        }
-
-        .footer {
-            text-align: center;
-            font-size: 0.9em;
-            color: #999999;
-            margin-top: 30px;
-            border-top: 1px solid #eeeeee;
-            padding-top: 20px;
-        }
-    </style>
-</head>
-<body>
-<div class="container">
-    <div class="header">
-        <h1 th:text="${headlineText}">Payment reported for order #00000000</h1>
-    </div>
-
-    <div class="content">
-        <p th:text="${greetingText}">Hi Customer,</p>
-        <p th:text="${introText}">We received your payment report and we are now verifying it.</p>
-
-        <div class="status-box">
-            <strong th:text="${statusText}">Current status: Payment under verification.</strong>
-        </div>
-
-        <div class="order-box">
-            <table>
-                <tr>
-                    <th th:text="${labelOrderNumber}">Order number</th>
-                    <td th:text="${orderNumber}">00000000</td>
-                </tr>
-                <tr>
-                    <th th:text="${labelTotal}">Total</th>
-                    <td th:text="${totalCost}">CHF 0.00</td>
-                </tr>
-            </table>
-        </div>
-
-        <p>
-            <span th:text="${orderDetailsCtaText}">Check order status</span>:
-            <a th:href="${orderDetailsUrl}" th:text="${orderDetailsUrl}">https://example.com/en/co/00000000-0000-0000-0000-000000000000</a>
-        </p>
-        <p th:text="${supportText}">You will receive another email once payment is confirmed.</p>
-    </div>
-
-    <div class="footer">
-        <p>&copy; <span th:text="${currentYear}">2026</span> 3D-Fab</p>
-        <p th:text="${footerText}">Automated message.</p>
-    </div>
-</div>
-</body>
-</html>

backend/src/main/resources/templates/invoice.html

@@ -3,410 +3,81 @@
 <head>
   <meta charset="utf-8"/>
   <style>
-        @page invoice {
+    @page { size: A4; margin: 18mm 15mm; }
-            size: A4;
+    body { font-family: sans-serif; font-size: 10.5pt; }
-            margin: 12mm 12mm 12mm 12mm;
+    .header { display: flex; justify-content: space-between; }
-        }
+    .addresses { margin-top: 10mm; display: flex; justify-content: space-between; }
-
+    table { width: 100%; border-collapse: collapse; margin-top: 8mm; }
-        @page qrpage {
+    th, td { padding: 6px; border-bottom: 1px solid #ccc; }
-            size: A4;
+    th { text-align: left; }
-            margin: 0;
+    .totals { margin-top: 6mm; width: 40%; margin-left: auto; }
-        }
+    .totals td { border: none; }
-
+    .page-break { page-break-before: always; }
-        *, *:before, *:after {
-            box-sizing: border-box;
-        }
-
-        body {
-            page: invoice;
-            font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
-            font-size: 8.5pt;
-            margin: 0;
-            padding: 0;
-            background: #fff;
-            color: #000;
-            line-height: 1.35;
-        }
-
-        .invoice-page {
-            page: invoice;
-            width: 100%;
-            page-break-after: always;
-        }
-
-        /* Top Header Layout */
-        .header-layout {
-            width: 100%;
-            border-collapse: collapse;
-            table-layout: fixed;
-            margin-bottom: 25mm;
-        }
-
-        .header-layout td {
-            vertical-align: top;
-            padding: 0;
-        }
-
-        .logo-block {
-            width: 33%;
-            font-size: 24pt;
-            font-weight: bold;
-            letter-spacing: -0.5px;
-        }
-
-        .logo-3d {
-            color: #111827; /* Dark black/blue */
-        }
-
-        .logo-fab {
-            color: #eab308; /* Yellow/Gold */
-        }
-
-        .seller-block {
-            width: 33%;
-            font-size: 9pt;
-            line-height: 1.4;
-        }
-
-        .website-block {
-            width: 33%;
-            text-align: right;
-            font-size: 9pt;
-        }
-
-        /* Document Title */
-        .doc-title {
-            font-size: 20pt;
-            font-weight: normal;
-            margin: 0 0 10mm 0;
-            letter-spacing: -0.5px;
-        }
-
-        /* Meta and Customer Details Layout */
-        .details-layout {
-            width: 100%;
-            border-collapse: collapse;
-            table-layout: fixed;
-            margin-bottom: 15mm;
-        }
-
-        .details-layout td {
-            vertical-align: top;
-            padding: 0;
-        }
-
-        .meta-container {
-            width: 50%;
-        }
-
-        .customer-container {
-            width: 50%;
-            font-size: 10pt;
-            line-height: 1.5;
-        }
-
-        .meta-table {
-            border-collapse: collapse;
-            font-size: 8.5pt;
-        }
-
-        .meta-table td {
-            padding: 1.5mm 0;
-            vertical-align: top;
-        }
-
-        .meta-label {
-            width: 45mm;
-            padding-right: 2mm;
-        }
-
-        .meta-value {
-            /* allow wrapping just in case */
-        }
-        
-        /* Line Items Table */
-        .line-items {
-            width: 100%;
-            border-collapse: collapse;
-            table-layout: fixed;
-            margin-top: 5mm;
-            font-size: 8.5pt;
-        }
-
-        .line-items th,
-        .line-items td {
-            padding: 1.5mm 0;
-            vertical-align: top;
-        }
-
-        .line-items th {
-            text-align: left;
-            font-weight: normal;
-            border-bottom: 1pt solid #000;
-        }
-
-        .line-items tbody td {
-            border-bottom: 0.5pt solid #e0e0e0;
-        }
-
-        .line-items tbody tr:last-child td {
-            border-bottom: 1pt solid #000;
-        }
-
-        .line-items th.center,
-        .line-items td.center {
-            text-align: center;
-        }
-
-        .line-items th.right,
-        .line-items td.right {
-            text-align: right;
-        }
-
-        .col-desc { width: 45%; }
-        .col-qty { width: 10%; }
-        .col-price { width: 22%; }
-        .col-total { width: 23%; }
-        
-        .item-desc {
-            padding-right: 4mm;
-        }
-
-        /* Totals Block */
-        .totals-table {
-            width: 100%;
-            border-collapse: collapse;
-            table-layout: fixed;
-            margin-top: 0;
-            font-size: 8.5pt;
-        }
-
-        .totals-table td {
-            padding: 1.5mm 0;
-            border-bottom: 0.5pt solid #000;
-        }
-
-        .totals-label {
-            text-align: left;
-        }
-
-        .totals-value {
-            text-align: right;
-            width: 30%;
-        }
-        
-        .totals-table tr.no-border td {
-            border-bottom: none;
-        }
-
-        .summary-notes {
-            margin-top: 4mm;
-            padding-bottom: 4mm;
-            border-bottom: 1pt solid #000;
-        }
-
-        /* Footer Notes Layout */
-        .footer-layout {
-            width: 100%;
-            border-collapse: collapse;
-            table-layout: fixed;
-            margin-top: 15mm;
-            font-size: 8.5pt;
-        }
-
-        .footer-layout td {
-            vertical-align: top;
-            padding: 0 0 3mm 0;
-        }
-
-        .footer-label {
-            width: 25%;
-            font-weight: normal;
-        }
-
-        .footer-text {
-            width: 75%;
-            line-height: 1.4;
-        }
-
-        /* QR Page */
-        .qr-only-page {
-            page: qrpage;
-            width: 100%;
-            height: 297mm;
-            background: #fff;
-            page-break-inside: avoid;
-        }
-
-        .qr-only-layout {
-            width: 100%;
-            height: 297mm;
-            border-collapse: collapse;
-            table-layout: fixed;
-        }
-
-        .qr-only-layout td {
-            vertical-align: bottom;
-            /* Keep the QR slip at page bottom, but with a safer print margin. */
-            padding: 0 0 1mm 0;
-        }
-
-        .qr-bill-bottom {
-            width: 100%;
-            height: 105mm;
-            overflow: hidden;
-            background: #fff;
-        }
-
-        .qr-bill-bottom svg {
-            width: 100% !important;
-            height: 105mm !important;
-            display: block;
-        }
   </style>
 </head>
 <body>
-<div class="invoice-page">
 
-    <!-- Header -->
+<div class="header">
-    <table class="header-layout">
+  <div>
-        <tr>
+    <div><strong th:text="${sellerDisplayName}">Nome Cognome</strong></div>
-            <td class="logo-block">
+    <div th:text="${sellerAddressLine1}">Via Esempio 12</div>
-                <span class="logo-3d">3D</span> <span class="logo-fab">fab</span>
+    <div th:text="${sellerAddressLine2}">6500 Bellinzona, CH</div>
-                <div style="font-size: 14pt; font-weight: normal; margin-top: 4px; color: #111827;">Küng Caletti</div>
+    <div th:text="${sellerEmail}">email@example.com</div>
-            </td>
-            <td class="seller-block">
-                <div th:text="${sellerDisplayName}">3D Fab Switzerland</div>
-                <div th:text="${sellerAddressLine1}">Via G. pioda 29a - 6710 Biasca, Svizzera</div>
-                <div th:text="${sellerAddressLine2}">Lyss-Strasse 71 - 2560 Nidau, Svizzera</div>
-            </td>
-            <td class="website-block">
-                www.3d-fab.ch
-            </td>
-        </tr>
-    </table>
-
-    <!-- Document Title -->
-    <div class="doc-title">
-        <span th:if="${isConfirmation}">Conferma dell'ordine</span>
-        <span th:unless="${isConfirmation}">Fattura</span>
-        <span th:text="${invoiceNumber}">141052743</span>
-        <span th:unless="${isConfirmation}" style="color: #2e7d32; font-weight: bold; font-size: 18pt; padding-left: 15px;">PAGATO</span>
   </div>
 
-    <!-- Details block (Meta and Customer) -->
+  <div>
-    <table class="details-layout">
+    <div><strong>Fattura</strong></div>
-        <tr>
+    <div>Numero: <span th:text="${invoiceNumber}">2026-000123</span></div>
-            <td class="meta-container">
+    <div>Data: <span th:text="${invoiceDate}">2026-02-13</span></div>
-                <table class="meta-table">
+    <div>Scadenza: <span th:text="${dueDate}">2026-02-20</span></div>
-                    <tr>
-                        <td class="meta-label">Data dell'ordine / fattura</td>
-                        <td class="meta-value" th:text="${invoiceDate}">07.03.2025</td>
-                    </tr>
-                    <tr>
-                        <td class="meta-label">Numero documento</td>
-                        <td class="meta-value" th:text="${invoiceNumber}">INV-2026-000123</td>
-                    </tr>
-                    <tr>
-                        <td class="meta-label">Data di scadenza</td>
-                        <td class="meta-value" th:text="${dueDate}">07.03.2025</td>
-                    </tr>
-                    <tr>
-                        <td class="meta-label">Metodo di pagamento</td>
-                        <td class="meta-value" th:text="${paymentMethodText}">QR / Bonifico oppure TWINT</td>
-                    </tr>
-                    <tr>
-                        <td class="meta-label">Valuta</td>
-                        <td class="meta-value">CHF</td>
-                    </tr>
-                </table>
-            </td>
-            <td class="customer-container">
-                <div style="font-weight: bold; margin-bottom: 2mm;">Indirizzo di fatturazione:</div>
-                <div th:text="${buyerDisplayName}">Joe Küng</div>
-                <div th:text="${buyerAddressLine1}">Via G.Pioda, 29a</div>
-                <div th:text="${buyerAddressLine2}">6710 biasca</div>
-                <div>Svizzera</div>
-                <br/>
-                <div th:if="${shippingDisplayName != null}">
-                    <div style="font-weight: bold; margin-bottom: 2mm;">Indirizzo di spedizione:</div>
-                    <div th:text="${shippingDisplayName}">Joe Küng</div>
-                    <div th:text="${shippingAddressLine1}">Via G.Pioda, 29a</div>
-                    <div th:text="${shippingAddressLine2}">6710 biasca</div>
-                    <div>Svizzera</div>
   </div>
-            </td>
+</div>
-        </tr>
-    </table>
 
-    <!-- Items Table -->
+<div class="addresses">
-    <table class="line-items">
+  <div>
+    <div><strong>Fatturare a</strong></div>
+    <div th:text="${buyerDisplayName}">Cliente SA</div>
+    <div th:text="${buyerAddressLine1}">Via Cliente 7</div>
+    <div th:text="${buyerAddressLine2}">8000 Zürich, CH</div>
+  </div>
+</div>
+
+<table>
   <thead>
     <tr>
-            <th class="col-desc">Descrizione</th>
+      <th>Descrizione</th>
-            <th class="col-qty center">Quantità</th>
+      <th style="text-align:right;">Qtà</th>
-            <th class="col-price right">Prezzo unitario</th>
+      <th style="text-align:right;">Prezzo</th>
-            <th class="col-total right">Prezzo incl.</th>
+      <th style="text-align:right;">Totale</th>
     </tr>
   </thead>
   <tbody>
     <tr th:each="lineItem : ${invoiceLineItems}">
-            <td class="item-desc" th:text="${lineItem.description}">Apple iPhone 16 Pro</td>
+      <td th:text="${lineItem.description}">Stampa 3D pezzo X</td>
-            <td class="center" th:text="${lineItem.quantity}">1</td>
+      <td style="text-align:right;" th:text="${lineItem.quantity}">1</td>
-            <td class="right" th:text="${lineItem.unitPriceFormatted}">968.55</td>
+      <td style="text-align:right;" th:text="${lineItem.unitPriceFormatted}">CHF 10.00</td>
-            <td class="right" th:text="${lineItem.lineTotalFormatted}">1'047.00</td>
+      <td style="text-align:right;" th:text="${lineItem.lineTotalFormatted}">CHF 10.00</td>
     </tr>
   </tbody>
-    </table>
+</table>
 
-    <!-- Totals -->
+<table class="totals">
-    <table class="totals-table">
   <tr>
-            <td class="totals-label">Importo totale</td>
+    <td>Subtotale</td>
-            <td class="totals-value" th:text="${subtotalFormatted}">1'012.86</td>
+    <td style="text-align:right;" th:text="${subtotalFormatted}">CHF 10.00</td>
   </tr>
   <tr>
-            <td class="totals-label">Totale di tutte le consegne e di tutti i servizi CHF</td>
+    <td><strong>Totale</strong></td>
-            <td class="totals-value" th:text="${grandTotalFormatted}">1'094.90</td>
+    <td style="text-align:right;"><strong th:text="${grandTotalFormatted}">CHF 10.00</strong></td>
   </tr>
-        <tr class="no-border" th:if="${isConfirmation}">
+</table>
-            <td class="totals-label">Importo dovuto</td>
-            <td class="totals-value" th:text="${grandTotalFormatted}">1'094.90</td>
-        </tr>
-        <tr class="no-border" th:unless="${isConfirmation}">
-            <td class="totals-label">Importo dovuto</td>
-            <td class="totals-value">CHF 0.00</td>
-        </tr>
-    </table>
-
-    <!-- Footer Notes -->
-    <table class="footer-layout">
-        <tr>
-            <td class="footer-label">Informazioni</td>
-            <td class="footer-text" th:text="${paymentTermsText}">
-                Appena riceviamo il pagamento l'ordine entra nella coda di stampa. Grazie per la fiducia.
-            </td>
-        </tr>
-        <tr>
-            <td class="footer-label">Generale</td>
-            <td class="footer-text">
-                Si applicano le nostre condizioni generali di contratto. Verifica i dettagli dell'ordine al ricevimento. Per assistenza, rispondi alla nostra email di conferma.
-            </td>
-        </tr>
-    </table>
 
+<div style="margin-top:6mm;" th:text="${paymentTermsText}">
+  Pagamento entro 7 giorni. Grazie.
 </div>
 
-<!-- QR Bill Page (only renders if QR data is passed) -->
+<div style="page-break-before: always;"></div>
-<div class="qr-only-page" th:if="${qrBillSvg != null}">
+<div style="position: absolute; bottom: 0; left: 0; width: 210mm; height: 105mm;" th:utext="${qrBillSvg}">
-    <table class="qr-only-layout">
-        <tr>
-            <td>
-                <div class="qr-bill-bottom" th:utext="${qrBillSvg}">
-                </div>
-            </td>
-        </tr>
-    </table>
 </div>
 
 </body>

backend/src/test/java/com/printcalculator/ManualSessionPersistenceTest.java

@@ -0,0 +1,151 @@
+package com.printcalculator;
+
+import com.printcalculator.controller.QuoteSessionController;
+import com.printcalculator.dto.PrintSettingsDto;
+import com.printcalculator.entity.QuoteSession;
+import com.printcalculator.entity.QuoteLineItem;
+import com.printcalculator.repository.QuoteSessionRepository;
+import com.printcalculator.repository.QuoteLineItemRepository;
+import com.printcalculator.repository.PrinterMachineRepository;
+import com.printcalculator.service.SlicerService;
+import com.printcalculator.service.QuoteCalculator;
+import com.printcalculator.service.StorageService;
+import com.printcalculator.service.StlService;
+import com.printcalculator.service.ProfileManager;
+import com.printcalculator.model.PrintStats;
+import com.printcalculator.model.QuoteResult;
+import com.printcalculator.entity.PrinterMachine;
+import com.printcalculator.model.StlBounds;
+import com.printcalculator.model.StlShiftResult;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.bean.override.mockito.MockitoBean;
+import org.springframework.mock.web.MockMultipartFile;
+import org.springframework.http.ResponseEntity;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.io.File;
+import java.math.BigDecimal;
+import java.nio.file.Path;
+import java.util.Optional;
+import java.util.Map;
+import java.util.List;
+import java.util.UUID;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.when;
+import static org.mockito.Mockito.verify;
+import static org.junit.jupiter.api.Assertions.*;
+
+import org.mockito.ArgumentCaptor;
+
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+
+@WebMvcTest(QuoteSessionController.class)
+public class ManualSessionPersistenceTest {
+
+    @Autowired
+    private QuoteSessionController controller;
+
+    @MockitoBean
+    private QuoteSessionRepository sessionRepo;
+
+    @MockitoBean
+    private QuoteLineItemRepository lineItemRepo; // Mock this too
+
+    @MockitoBean
+    private SlicerService slicerService;
+
+    @MockitoBean
+    private StorageService storageService;
+
+    @MockitoBean
+    private StlService stlService;
+
+    @MockitoBean
+    private ProfileManager profileManager;
+    
+    @MockitoBean
+    private QuoteCalculator quoteCalculator;
+    
+    @MockitoBean
+    private PrinterMachineRepository machineRepo;
+    
+    @MockitoBean
+    private com.printcalculator.repository.PricingPolicyRepository pricingRepo; // Add this if needed by controller
+
+    @Test
+    public void testSettingsPersistence() throws Exception {
+        // Prepare
+        UUID sessionId = UUID.randomUUID();
+        QuoteSession session = new QuoteSession();
+        session.setId(sessionId);
+        session.setMaterialCode("pla_basic"); // Initial state
+        
+        when(sessionRepo.findById(sessionId)).thenReturn(Optional.of(session));
+        when(sessionRepo.save(any(QuoteSession.class))).thenAnswer(i -> i.getArguments()[0]);
+        when(lineItemRepo.save(any(QuoteLineItem.class))).thenAnswer(i -> i.getArguments()[0]);
+
+        // 2. Add Item with Custom Settings
+        PrintSettingsDto settings = new PrintSettingsDto();
+        settings.setComplexityMode("ADVANCED");
+        settings.setMaterial("petg_basic");
+        settings.setLayerHeight(0.12);
+        settings.setInfillDensity(50.0);
+        settings.setInfillPattern("gyroid");
+        settings.setSupportsEnabled(true);
+        settings.setNozzleDiameter(0.6);
+        settings.setNotes("Test Notes");
+        
+        MockMultipartFile file = new MockMultipartFile("file", "test.stl", "application/octet-stream", "dummy content".getBytes());
+        
+        // Mock dependencies
+        when(machineRepo.findFirstByIsActiveTrue()).thenReturn(Optional.of(new PrinterMachine(){{
+            setPrinterDisplayName("TestPrinter");
+            setSlicerMachineProfile("TestProfile");
+            setBuildVolumeXMm(256);
+            setBuildVolumeYMm(256);
+            setBuildVolumeZMm(256);
+        }}));
+        when(slicerService.slice(any(), any(), any(), any(), any(), any())).thenReturn(new PrintStats(100, "1m", 10.0, 100));
+        when(quoteCalculator.calculate(any(), any(), any())).thenReturn(
+            new QuoteResult(10.0, "CHF", new PrintStats(100, "1m", 10.0, 100), 0.0)
+        );
+        when(stlService.readBounds(any())).thenReturn(new StlBounds(0, 0, 0, 10, 10, 10));
+        when(stlService.shiftToFitIfNeeded(any(), any(), anyInt(), anyInt(), anyInt()))
+                .thenReturn(new StlShiftResult(null, 0, 0, 0, false));
+        when(profileManager.resolveMachineProfileName(any(), any())).thenAnswer(i -> i.getArguments()[0]);
+        when(storageService.loadAsResource(any())).thenReturn(new org.springframework.core.io.ByteArrayResource("dummy".getBytes()){
+            @Override
+            public File getFile() { return new File("dummy"); }
+        });
+
+        controller.addItemToExistingSession(sessionId, settings, file);
+        
+        // 3. Verify Session Updated via Save Call capture
+        ArgumentCaptor<QuoteSession> captor = ArgumentCaptor.forClass(QuoteSession.class);
+        verify(sessionRepo).save(captor.capture());
+        
+        QuoteSession updatedSession = captor.getValue();
+        
+        assertEquals("petg_basic", updatedSession.getMaterialCode());
+        assertEquals(0, BigDecimal.valueOf(0.12).compareTo(updatedSession.getLayerHeightMm()));
+        assertEquals(50, updatedSession.getInfillPercent());
+        assertEquals("gyroid", updatedSession.getInfillPattern());
+        assertTrue(updatedSession.getSupportsEnabled());
+        assertEquals(0, BigDecimal.valueOf(0.6).compareTo(updatedSession.getNozzleDiameterMm()));
+        assertEquals("Test Notes", updatedSession.getNotes());
+        
+        System.out.println("Verification Passed: Settings were persisted to Session.");
+    }
+    @org.springframework.boot.test.context.TestConfiguration
+    static class TestConfig {
+        @org.springframework.context.annotation.Bean
+        public org.springframework.transaction.PlatformTransactionManager transactionManager() {
+            return org.mockito.Mockito.mock(org.springframework.transaction.PlatformTransactionManager.class);
+        }
+    }
+}

backend/src/test/java/com/printcalculator/config/TestConfig.java

@@ -0,0 +1,23 @@
+package com.printcalculator.config;
+
+import com.printcalculator.service.ClamAVService;
+import org.springframework.boot.test.context.TestConfiguration;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Primary;
+
+import java.io.InputStream;
+
+@TestConfiguration
+public class TestConfig {
+
+    @Bean
+    @Primary
+    public ClamAVService mockClamAVService() {
+        return new ClamAVService("localhost", 3310, true) {
+            @Override
+            public boolean scan(InputStream inputStream) {
+                return true; // Always clean for tests
+            }
+        };
+    }
+}

backend/src/test/java/com/printcalculator/controller/AdminAuthSecurityTest.java

@@ -1,134 +0,0 @@
-package com.printcalculator.controller;
-
-import com.printcalculator.config.SecurityConfig;
-import com.printcalculator.controller.admin.AdminAuthController;
-import com.printcalculator.security.AdminLoginThrottleService;
-import com.printcalculator.security.AdminSessionAuthenticationFilter;
-import com.printcalculator.security.AdminSessionService;
-import jakarta.servlet.http.Cookie;
-import org.junit.jupiter.api.Test;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
-import org.springframework.context.annotation.Import;
-import org.springframework.http.HttpHeaders;
-import org.springframework.http.MediaType;
-import org.springframework.test.context.TestPropertySource;
-import org.springframework.test.web.servlet.MockMvc;
-import org.springframework.test.web.servlet.MvcResult;
-
-import static org.junit.jupiter.api.Assertions.assertNotNull;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
-import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
-import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
-import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
-
-@WebMvcTest(controllers = AdminAuthController.class)
-@Import({
-        SecurityConfig.class,
-        AdminSessionAuthenticationFilter.class,
-        AdminSessionService.class,
-        AdminLoginThrottleService.class
-})
-@TestPropertySource(properties = {
-        "admin.password=test-admin-password",
-        "admin.session.secret=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
-        "admin.session.ttl-minutes=60"
-})
-class AdminAuthSecurityTest {
-
-    @Autowired
-    private MockMvc mockMvc;
-
-    @Test
-    void loginOk_ShouldReturnCookie() throws Exception {
-        MvcResult result = mockMvc.perform(post("/api/admin/auth/login")
-                        .with(req -> {
-                            req.setRemoteAddr("10.0.0.1");
-                            return req;
-                        })
-                        .contentType(MediaType.APPLICATION_JSON)
-                        .content("{\"password\":\"test-admin-password\"}"))
-                .andExpect(status().isOk())
-                .andExpect(jsonPath("$.authenticated").value(true))
-                .andReturn();
-
-        String setCookie = result.getResponse().getHeader(HttpHeaders.SET_COOKIE);
-        assertNotNull(setCookie);
-        assertTrue(setCookie.contains("admin_session="));
-        assertTrue(setCookie.contains("HttpOnly"));
-        assertTrue(setCookie.contains("Secure"));
-        assertTrue(setCookie.contains("SameSite=Strict"));
-        assertTrue(setCookie.contains("Path=/api/admin"));
-    }
-
-    @Test
-    void loginKo_ShouldReturnUnauthorized() throws Exception {
-        mockMvc.perform(post("/api/admin/auth/login")
-                        .with(req -> {
-                            req.setRemoteAddr("10.0.0.2");
-                            return req;
-                        })
-                        .contentType(MediaType.APPLICATION_JSON)
-                        .content("{\"password\":\"wrong-password\"}"))
-                .andExpect(status().isUnauthorized())
-                .andExpect(jsonPath("$.authenticated").value(false))
-                .andExpect(jsonPath("$.retryAfterSeconds").value(2));
-    }
-
-    @Test
-    void loginKoSecondAttemptDuringLock_ShouldReturnTooManyRequests() throws Exception {
-        mockMvc.perform(post("/api/admin/auth/login")
-                        .with(req -> {
-                            req.setRemoteAddr("10.0.0.3");
-                            return req;
-                        })
-                        .contentType(MediaType.APPLICATION_JSON)
-                        .content("{\"password\":\"wrong-password\"}"))
-                .andExpect(status().isUnauthorized())
-                .andExpect(jsonPath("$.retryAfterSeconds").value(2));
-
-        mockMvc.perform(post("/api/admin/auth/login")
-                        .with(req -> {
-                            req.setRemoteAddr("10.0.0.3");
-                            return req;
-                        })
-                        .contentType(MediaType.APPLICATION_JSON)
-                        .content("{\"password\":\"wrong-password\"}"))
-                .andExpect(status().isTooManyRequests())
-                .andExpect(jsonPath("$.authenticated").value(false));
-    }
-
-    @Test
-    void adminAccessWithoutCookie_ShouldReturn401() throws Exception {
-        mockMvc.perform(get("/api/admin/auth/me"))
-                .andExpect(status().isUnauthorized());
-    }
-
-    @Test
-    void adminAccessWithValidCookie_ShouldReturn200() throws Exception {
-        MvcResult login = mockMvc.perform(post("/api/admin/auth/login")
-                        .with(req -> {
-                            req.setRemoteAddr("10.0.0.4");
-                            return req;
-                        })
-                        .contentType(MediaType.APPLICATION_JSON)
-                        .content("{\"password\":\"test-admin-password\"}"))
-                .andExpect(status().isOk())
-                .andReturn();
-
-        String setCookie = login.getResponse().getHeader(HttpHeaders.SET_COOKIE);
-        assertNotNull(setCookie);
-
-        Cookie adminCookie = toCookie(setCookie);
-        mockMvc.perform(get("/api/admin/auth/me").cookie(adminCookie))
-                .andExpect(status().isOk())
-                .andExpect(jsonPath("$.authenticated").value(true));
-    }
-
-    private Cookie toCookie(String setCookieHeader) {
-        String[] parts = setCookieHeader.split(";", 2);
-        String[] keyValue = parts[0].split("=", 2);
-        return new Cookie(keyValue[0], keyValue.length > 1 ? keyValue[1] : "");
-    }
-}

backend/src/test/java/com/printcalculator/controller/OrderIntegrationTest.java

@@ -0,0 +1,176 @@
+package com.printcalculator.controller;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.printcalculator.dto.CreateOrderRequest;
+import com.printcalculator.dto.CustomerDto;
+import com.printcalculator.dto.AddressDto;
+import com.printcalculator.entity.QuoteLineItem;
+import com.printcalculator.entity.QuoteSession;
+import com.printcalculator.repository.OrderRepository;
+import com.printcalculator.repository.QuoteLineItemRepository;
+import com.printcalculator.repository.QuoteSessionRepository;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.http.MediaType;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.util.FileSystemUtils;
+
+import java.io.File;
+import java.math.BigDecimal;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.time.OffsetDateTime;
+import java.util.UUID;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+import org.springframework.test.context.bean.override.mockito.MockitoBean;
+import com.printcalculator.service.ClamAVService;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.when;
+
+@SpringBootTest
+@AutoConfigureMockMvc
+@org.springframework.test.context.TestPropertySource(properties = {
+    "spring.datasource.url=jdbc:h2:mem:testdb;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE;MODE=PostgreSQL",
+    "spring.datasource.driverClassName=org.h2.Driver",
+    "spring.datasource.username=sa",
+    "spring.datasource.password=",
+    "spring.jpa.database-platform=org.hibernate.dialect.H2Dialect",
+    "spring.jpa.hibernate.ddl-auto=create-drop"
+})
+class OrderIntegrationTest {
+
+    @MockitoBean
+    private ClamAVService clamAVService;
+
+    @Autowired
+    private MockMvc mockMvc;
+
+    @Autowired
+    private QuoteSessionRepository sessionRepository;
+
+    @Autowired
+    private QuoteLineItemRepository lineItemRepository;
+
+    @Autowired
+    private OrderRepository orderRepository;
+    
+    @Autowired
+    private ObjectMapper objectMapper;
+
+    private UUID sessionId;
+    private UUID lineItemId;
+    private final String TEST_FILENAME = "test_model.stl";
+
+    @BeforeEach
+    void setup() throws Exception {
+        // Mock ClamAV to always return true (safe)
+        when(clamAVService.scan(any())).thenReturn(true);
+
+        // 1. Create Quote Session
+        QuoteSession session = new QuoteSession();
+        session.setStatus("ACTIVE");
+        session.setMaterialCode("PLA");
+        session.setPricingVersion("v1");
+        session.setCreatedAt(OffsetDateTime.now());
+        session.setExpiresAt(OffsetDateTime.now().plusDays(7));
+        session.setSetupCostChf(BigDecimal.valueOf(5.00));
+        session.setSupportsEnabled(false);
+        session = sessionRepository.save(session);
+        this.sessionId = session.getId();
+
+        // 2. Create Dummy File on Disk (storage_quotes)
+        Path sessionDir = Paths.get("storage_quotes", sessionId.toString());
+        Files.createDirectories(sessionDir);
+        Path filePath = sessionDir.resolve(UUID.randomUUID() + ".stl");
+        Files.writeString(filePath, "dummy content");
+
+        // 3. Create Quote Line Item
+        QuoteLineItem item = new QuoteLineItem();
+        item.setQuoteSession(session);
+        item.setStatus("READY");
+        item.setOriginalFilename(TEST_FILENAME);
+        item.setStoredPath(filePath.toString());
+        item.setQuantity(2);
+        item.setPrintTimeSeconds(120);
+        item.setMaterialGrams(BigDecimal.valueOf(10.5));
+        item.setUnitPriceChf(BigDecimal.valueOf(10.00));
+        item.setCreatedAt(OffsetDateTime.now());
+        item.setUpdatedAt(OffsetDateTime.now());
+        item = lineItemRepository.save(item);
+        this.lineItemId = item.getId();
+    }
+
+    @AfterEach
+    void cleanup() throws Exception {
+        // Cleanup generated files
+        FileSystemUtils.deleteRecursively(Paths.get("storage_quotes"));
+        FileSystemUtils.deleteRecursively(Paths.get("storage_orders"));
+        
+        // Clean DB
+        orderRepository.deleteAll();
+        lineItemRepository.deleteAll();
+        sessionRepository.deleteAll();
+    }
+
+    @Test
+    void testCreateOrderFromQuote_ShouldCopyFilesAndUpdateStatus() throws Exception {
+        // Prepare Request
+        CreateOrderRequest request = new CreateOrderRequest();
+        
+        CustomerDto customer = new CustomerDto();
+        customer.setEmail("integration@test.com");
+        customer.setCustomerType("PRIVATE");
+        request.setCustomer(customer);
+        
+        AddressDto billing = new AddressDto();
+        billing.setFirstName("John");
+        billing.setLastName("Doe");
+        billing.setAddressLine1("Street 1");
+        billing.setCity("City");
+        billing.setZip("1000");
+        billing.setCountryCode("CH");
+        request.setBillingAddress(billing);
+        
+        request.setShippingSameAsBilling(true);
+
+        // Execute Request
+        mockMvc.perform(post("/api/orders/from-quote/" + sessionId)
+                .contentType(MediaType.APPLICATION_JSON)
+                .content(objectMapper.writeValueAsString(request)))
+                .andExpect(status().isOk());
+
+        // Verify Session Status
+        QuoteSession updatedSession = sessionRepository.findById(sessionId).orElseThrow();
+        assertEquals("CONVERTED", updatedSession.getStatus(), "Session status should be CONVERTED");
+        assertNotNull(updatedSession.getConvertedOrderId(), "Converted Order ID should be set");
+
+        UUID orderId = updatedSession.getConvertedOrderId();
+
+        // Verify File Copy
+        Path orderStorageDir = Paths.get("storage_orders");
+        // We need to find the specific file. Structure: storage_orders/orderId/3d-files/orderItemId/filename
+        // Since we don't know OrderItemId easily without querying DB, let's walk the dir.
+        
+        try (var stream = Files.walk(orderStorageDir)) {
+            boolean fileFound = stream
+                    .filter(Files::isRegularFile)
+                    .anyMatch(path -> {
+                        try {
+                            return Files.readString(path).equals("dummy content");
+                        } catch (Exception e) {
+                            return false;
+                        }
+                    });
+            assertTrue(fileFound, "The file should have been copied to storage_orders with correct content");
+        }
+    }
+}

backend/src/test/java/com/printcalculator/controller/admin/AdminOrderControllerStatusValidationTest.java

@@ -1,107 +0,0 @@
-package com.printcalculator.controller.admin;
-
-import com.printcalculator.dto.AdminOrderStatusUpdateRequest;
-import com.printcalculator.dto.OrderDto;
-import com.printcalculator.entity.Order;
-import com.printcalculator.repository.OrderItemRepository;
-import com.printcalculator.repository.OrderRepository;
-import com.printcalculator.repository.PaymentRepository;
-import com.printcalculator.service.InvoicePdfRenderingService;
-import com.printcalculator.service.PaymentService;
-import com.printcalculator.service.QrBillService;
-import com.printcalculator.service.StorageService;
-import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.ExtendWith;
-import org.mockito.Mock;
-import org.mockito.junit.jupiter.MockitoExtension;
-import org.springframework.http.HttpStatus;
-import org.springframework.http.ResponseEntity;
-import org.springframework.web.server.ResponseStatusException;
-
-import java.util.List;
-import java.util.Optional;
-import java.util.UUID;
-
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertThrows;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
-@ExtendWith(MockitoExtension.class)
-class AdminOrderControllerStatusValidationTest {
-
-    @Mock
-    private OrderRepository orderRepository;
-    @Mock
-    private OrderItemRepository orderItemRepository;
-    @Mock
-    private PaymentRepository paymentRepository;
-    @Mock
-    private PaymentService paymentService;
-    @Mock
-    private StorageService storageService;
-    @Mock
-    private InvoicePdfRenderingService invoicePdfRenderingService;
-    @Mock
-    private QrBillService qrBillService;
-
-    private AdminOrderController controller;
-
-    @BeforeEach
-    void setUp() {
-        controller = new AdminOrderController(
-                orderRepository,
-                orderItemRepository,
-                paymentRepository,
-                paymentService,
-                storageService,
-                invoicePdfRenderingService,
-                qrBillService
-        );
-    }
-
-    @Test
-    void updateOrderStatus_withInvalidStatus_shouldReturn400AndNotSave() {
-        UUID orderId = UUID.randomUUID();
-        Order order = new Order();
-        order.setId(orderId);
-        order.setStatus("PENDING_PAYMENT");
-
-        when(orderRepository.findById(orderId)).thenReturn(Optional.of(order));
-
-        AdminOrderStatusUpdateRequest payload = new AdminOrderStatusUpdateRequest();
-        payload.setStatus("REPORTED");
-
-        ResponseStatusException ex = assertThrows(
-                ResponseStatusException.class,
-                () -> controller.updateOrderStatus(orderId, payload)
-        );
-
-        assertEquals(HttpStatus.BAD_REQUEST, ex.getStatusCode());
-        verify(orderRepository, never()).save(any(Order.class));
-    }
-
-    @Test
-    void updateOrderStatus_withValidStatus_shouldReturn200() {
-        UUID orderId = UUID.randomUUID();
-        Order order = new Order();
-        order.setId(orderId);
-        order.setStatus("PENDING_PAYMENT");
-
-        when(orderRepository.findById(orderId)).thenReturn(Optional.of(order));
-        when(orderItemRepository.findByOrder_Id(orderId)).thenReturn(List.of());
-        when(paymentRepository.findByOrder_Id(orderId)).thenReturn(Optional.empty());
-
-        AdminOrderStatusUpdateRequest payload = new AdminOrderStatusUpdateRequest();
-        payload.setStatus("PAID");
-
-        ResponseEntity<OrderDto> response = controller.updateOrderStatus(orderId, payload);
-
-        assertEquals(HttpStatus.OK, response.getStatusCode());
-        assertEquals("PAID", response.getBody().getStatus());
-        verify(orderRepository).save(order);
-    }
-}

backend/src/test/java/com/printcalculator/event/listener/OrderEmailListenerTest.java

@@ -1,160 +0,0 @@
-package com.printcalculator.event.listener;
-
-import com.printcalculator.entity.Customer;
-import com.printcalculator.entity.Order;
-import com.printcalculator.event.OrderCreatedEvent;
-import com.printcalculator.repository.OrderItemRepository;
-import com.printcalculator.service.InvoicePdfRenderingService;
-import com.printcalculator.service.QrBillService;
-import com.printcalculator.service.StorageService;
-import com.printcalculator.service.email.EmailNotificationService;
-import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.ExtendWith;
-import org.mockito.ArgumentCaptor;
-import org.mockito.Captor;
-import org.mockito.InjectMocks;
-import org.mockito.Mock;
-import org.mockito.junit.jupiter.MockitoExtension;
-import org.springframework.core.io.ByteArrayResource;
-import org.springframework.test.util.ReflectionTestUtils;
-
-import java.nio.charset.StandardCharsets;
-import java.math.BigDecimal;
-import java.time.OffsetDateTime;
-import java.util.Map;
-import java.util.UUID;
-
-import static org.junit.jupiter.api.Assertions.assertArrayEquals;
-import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertNotNull;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.anyMap;
-import static org.mockito.ArgumentMatchers.anyString;
-import static org.mockito.ArgumentMatchers.eq;
-import static org.mockito.Mockito.*;
-
-@ExtendWith(MockitoExtension.class)
-class OrderEmailListenerTest {
-
-    @Mock
-    private EmailNotificationService emailNotificationService;
-
-    @Mock
-    private InvoicePdfRenderingService invoicePdfRenderingService;
-
-    @Mock
-    private OrderItemRepository orderItemRepository;
-
-    @Mock
-    private QrBillService qrBillService;
-
-    @Mock
-    private StorageService storageService;
-
-    @InjectMocks
-    private OrderEmailListener orderEmailListener;
-
-    @Captor
-    private ArgumentCaptor<Map<String, Object>> templateDataCaptor;
-
-    @Captor
-    private ArgumentCaptor<byte[]> attachmentDataCaptor;
-
-    private Order order;
-    private OrderCreatedEvent event;
-
-    @BeforeEach
-    void setUp() throws Exception {
-        Customer customer = new Customer();
-        customer.setFirstName("John");
-        customer.setLastName("Doe");
-        customer.setEmail("john.doe@test.com");
-
-        order = new Order();
-        order.setId(UUID.randomUUID());
-        order.setCustomer(customer);
-        order.setCreatedAt(OffsetDateTime.parse("2026-02-21T10:00:00Z"));
-        order.setTotalChf(new BigDecimal("150.50"));
-
-        event = new OrderCreatedEvent(this, order);
-
-        ReflectionTestUtils.setField(orderEmailListener, "adminMailEnabled", true);
-        ReflectionTestUtils.setField(orderEmailListener, "adminMailAddress", "admin@printcalculator.local");
-        ReflectionTestUtils.setField(orderEmailListener, "frontendBaseUrl", "https://3d-fab.ch");
-
-        when(storageService.loadAsResource(any())).thenReturn(new ByteArrayResource("PDF".getBytes(StandardCharsets.UTF_8)));
-    }
-
-    @Test
-    void handleOrderCreatedEvent_ShouldSendCustomerAndAdminEmails() {
-        orderEmailListener.handleOrderCreatedEvent(event);
-
-        verify(emailNotificationService, times(1)).sendEmailWithAttachment(
-                eq("john.doe@test.com"),
-                eq("Conferma Ordine #" + order.getOrderNumber() + " - 3D-Fab"),
-                eq("order-confirmation"),
-                templateDataCaptor.capture(),
-                eq("Conferma-Ordine-" + order.getOrderNumber() + ".pdf"),
-                attachmentDataCaptor.capture()
-        );
-
-        Map<String, Object> customerData = templateDataCaptor.getValue();
-        assertEquals("John", customerData.get("customerName"));
-        assertEquals(order.getId(), customerData.get("orderId"));
-        assertEquals(order.getOrderNumber(), customerData.get("orderNumber"));
-        assertEquals("https://3d-fab.ch/it/co/" + order.getId(), customerData.get("orderDetailsUrl"));
-        assertNotNull(customerData.get("orderDate"));
-        assertTrue(customerData.get("orderDate").toString().contains("2026"));
-        assertTrue(customerData.get("totalCost").toString().contains("150"));
-        assertArrayEquals("PDF".getBytes(StandardCharsets.UTF_8), attachmentDataCaptor.getValue());
-
-        @SuppressWarnings("unchecked")
-        ArgumentCaptor<Map<String, Object>> adminTemplateCaptor = (ArgumentCaptor<Map<String, Object>>) (ArgumentCaptor<?>) ArgumentCaptor.forClass(Map.class);
-        verify(emailNotificationService, times(1)).sendEmail(
-                eq("admin@printcalculator.local"),
-                eq("Nuovo Ordine Ricevuto #" + order.getOrderNumber() + " - John Doe"),
-                eq("order-confirmation"),
-                adminTemplateCaptor.capture()
-        );
-
-        Map<String, Object> adminData = adminTemplateCaptor.getValue();
-        assertEquals("John Doe", adminData.get("customerName"));
-    }
-
-    @Test
-    void handleOrderCreatedEvent_WithAdminDisabled_ShouldOnlySendCustomerEmail() {
-        ReflectionTestUtils.setField(orderEmailListener, "adminMailEnabled", false);
-
-        orderEmailListener.handleOrderCreatedEvent(event);
-
-        verify(emailNotificationService, times(1)).sendEmailWithAttachment(
-                eq("john.doe@test.com"),
-                anyString(),
-                anyString(),
-                anyMap(),
-                anyString(),
-                any()
-        );
-
-        verify(emailNotificationService, never()).sendEmail(
-                eq("admin@printcalculator.local"),
-                anyString(),
-                anyString(),
-                anyMap()
-        );
-    }
-
-    @Test
-    void handleOrderCreatedEvent_ExceptionHandling_ShouldNotPropagate() {
-        doThrow(new RuntimeException("Simulated Mail Failure"))
-                .when(emailNotificationService).sendEmailWithAttachment(anyString(), anyString(), anyString(), anyMap(), anyString(), any());
-
-        assertDoesNotThrow(() -> orderEmailListener.handleOrderCreatedEvent(event));
-
-        verify(emailNotificationService, times(1))
-                .sendEmailWithAttachment(anyString(), anyString(), anyString(), anyMap(), anyString(), any());
-    }
-}

backend/src/test/java/com/printcalculator/security/AdminLoginThrottleServiceTest.java

@@ -1,40 +0,0 @@
-package com.printcalculator.security;
-
-import jakarta.servlet.http.HttpServletRequest;
-import org.junit.jupiter.api.Test;
-
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
-
-class AdminLoginThrottleServiceTest {
-
-    private final AdminLoginThrottleService service = new AdminLoginThrottleService(false);
-
-    @Test
-    void registerFailure_ShouldDoubleDelay() {
-        assertEquals(2L, service.registerFailure("127.0.0.1"));
-        assertEquals(4L, service.registerFailure("127.0.0.1"));
-        assertEquals(8L, service.registerFailure("127.0.0.1"));
-    }
-
-    @Test
-    void resolveClientKey_ShouldUseRemoteAddress_WhenProxyHeadersAreNotTrusted() {
-        HttpServletRequest request = mock(HttpServletRequest.class);
-        when(request.getHeader("X-Forwarded-For")).thenReturn("203.0.113.10");
-        when(request.getHeader("X-Real-IP")).thenReturn("203.0.113.11");
-        when(request.getRemoteAddr()).thenReturn("10.0.0.5");
-
-        assertEquals("10.0.0.5", service.resolveClientKey(request));
-    }
-
-    @Test
-    void resolveClientKey_ShouldUseForwardedFor_WhenProxyHeadersAreTrusted() {
-        AdminLoginThrottleService trustedService = new AdminLoginThrottleService(true);
-        HttpServletRequest request = mock(HttpServletRequest.class);
-        when(request.getHeader("X-Forwarded-For")).thenReturn("203.0.113.10, 10.0.0.5");
-        when(request.getRemoteAddr()).thenReturn("10.0.0.5");
-
-        assertEquals("203.0.113.10", trustedService.resolveClientKey(request));
-    }
-}

backend/src/test/java/com/printcalculator/service/GCodeParserTest.java

@@ -27,10 +27,10 @@ class GCodeParserTest {
         PrintStats stats = parser.parse(tempFile);
 
         // Assert
-        assertEquals(3723, stats.printTimeSeconds()); // 3600 + 120 + 3
+        assertEquals(3723L, stats.getPrintTimeSeconds()); // 3600 + 120 + 3
-        assertEquals("1h 2m 3s", stats.printTimeFormatted());
+        assertEquals("1h 2m 3s", stats.getPrintTimeFormatted());
-        assertEquals(10.5, stats.filamentWeightGrams(), 0.001);
+        assertEquals(10.5, stats.getFilamentWeightGrams(), 0.001);
-        assertEquals(3000.0, stats.filamentLengthMm(), 0.001);
+        assertEquals(3000.0, stats.getFilamentLengthMm(), 0.001);
 
         tempFile.delete();
     }
@@ -49,8 +49,8 @@ class GCodeParserTest {
         GCodeParser parser = new GCodeParser();
         PrintStats stats = parser.parse(tempFile);
 
-        assertEquals(750, stats.printTimeSeconds()); // 12*60 + 30
+        assertEquals(750L, stats.getPrintTimeSeconds()); // 12*60 + 30
-        assertEquals(5.0, stats.filamentWeightGrams(), 0.001);
+        assertEquals(5.0, stats.getFilamentWeightGrams(), 0.001);
 
         tempFile.delete();
     }
@@ -69,8 +69,8 @@ class GCodeParserTest {
         GCodeParser parser = new GCodeParser();
         PrintStats stats = parser.parse(tempFile);
 
-        assertEquals(3723L, stats.printTimeSeconds()); 
+        assertEquals(3723L, stats.getPrintTimeSeconds()); 
-        assertEquals("1h 2m 3s", stats.printTimeFormatted());
+        assertEquals("1h 2m 3s", stats.getPrintTimeFormatted());
 
         tempFile.delete();
     }
@@ -87,8 +87,8 @@ class GCodeParserTest {
         GCodeParser parser = new GCodeParser();
         PrintStats stats = parser.parse(tempFile);
 
-        assertEquals(3723L, stats.printTimeSeconds());
+        assertEquals(3723L, stats.getPrintTimeSeconds());
-        assertEquals("01:02:03", stats.printTimeFormatted());
+        assertEquals("01:02:03", stats.getPrintTimeFormatted());
 
         tempFile.delete();
     }
@@ -105,8 +105,8 @@ class GCodeParserTest {
         GCodeParser parser = new GCodeParser();
         PrintStats stats = parser.parse(tempFile);
 
-        assertEquals(321L, stats.printTimeSeconds());
+        assertEquals(321L, stats.getPrintTimeSeconds());
-        assertEquals("5m 21s", stats.printTimeFormatted());
+        assertEquals("5m 21s", stats.getPrintTimeFormatted());
 
         tempFile.delete();
     }

backend/src/test/java/com/printcalculator/service/SlicerServiceTest.java

@@ -1,61 +1,123 @@
 package com.printcalculator.service;
 
-import com.printcalculator.model.ModelDimensions;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.printcalculator.model.PrintStats;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.io.TempDir;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
 
-import java.util.Optional;
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 
 import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.when;
+import static org.mockito.ArgumentMatchers.any;
 
 class SlicerServiceTest {
 
-    @Test
+    @Mock
-    void parseModelDimensionsFromInfoOutput_validOutput_returnsDimensions() {
+    private ProfileManager profileManager;
-        String output = """
-                [file.stl]
-                size_x = 130.860428
-                size_y = 225.000000
-                size_z = 140.000000
-                min_x = 0.000000
-                """;
     
-        Optional<ModelDimensions> dimensions = SlicerService.parseModelDimensionsFromInfoOutput(output);
+    @Mock
+    private GCodeParser gCodeParser;
 
-        assertTrue(dimensions.isPresent());
+    private ObjectMapper mapper = new ObjectMapper();
-        assertEquals(130.860428, dimensions.get().xMm(), 0.000001);
+
-        assertEquals(225.0, dimensions.get().yMm(), 0.000001);
+    private SlicerService slicerService;
-        assertEquals(140.0, dimensions.get().zMm(), 0.000001);
+
+    @TempDir
+    Path tempDir;
+
+    // Captured execution details
+    private List<String> lastCommand;
+    private Path lastTempDir;
+
+    @BeforeEach
+    void setUp() throws IOException {
+        MockitoAnnotations.openMocks(this);
+
+        // Subclass to override runSlicerCommand
+        slicerService = new SlicerService("orca-slicer", profileManager, gCodeParser, mapper) {
+            @Override
+            protected void runSlicerCommand(List<String> command, Path tempDir) throws IOException, InterruptedException {
+                lastCommand = command;
+                lastTempDir = tempDir;
+                // Don't run actual process.
+                // Simulate GCode output creation for the parser to find?
+                // Or just let it fail at parser step since we only care about JSON generation here?
+                // For a full test, we should create a dummy GCode file.
+                
+                File stl = new File(command.get(command.size() - 1));
+                String basename = stl.getName().replace(".stl", "");
+                Files.createFile(tempDir.resolve(basename + ".gcode"));
+            }
+        };
+        
+        // Mock Profile Responses
+        ObjectNode emptyNode = mapper.createObjectNode();
+        when(profileManager.getMergedProfile(anyString(), eq("machine"))).thenReturn(emptyNode.deepCopy());
+        when(profileManager.getMergedProfile(anyString(), eq("filament"))).thenReturn(emptyNode.deepCopy());
+        when(profileManager.getMergedProfile(anyString(), eq("process"))).thenReturn(emptyNode.deepCopy());
+        
+        // Mock Parser
+        when(gCodeParser.parse(any(File.class))).thenReturn(new PrintStats(100, "1m 40s", 10.5, 1000));
     }
 
     @Test
-    void parseModelDimensionsFromInfoOutput_withNoise_returnsDimensions() {
+    void testSlice_WithDefaults_ShouldGenerateConfig() throws IOException {
-        String output = """
+        File dummyStl = tempDir.resolve("test.stl").toFile();
-                [2026-02-27 10:26:30.306251] [0x1] [trace] Initializing StaticPrintConfigs
+        Files.createFile(dummyStl.toPath());
-                [model.3mf]
-                size_x = 97.909241
-                size_y = 97.909241
-                size_z = 70.000008
-                [2026-02-27 10:26:30.314575] [0x1] [error] calc_exclude_triangles
-                """;
 
-        Optional<ModelDimensions> dimensions = SlicerService.parseModelDimensionsFromInfoOutput(output);
+        slicerService.slice(dummyStl, "Bambu A1", "PLA", "Standard", null, null);
 
-        assertTrue(dimensions.isPresent());
+        assertNotNull(lastTempDir);
-        assertEquals(97.909241, dimensions.get().xMm(), 0.000001);
+        assertTrue(Files.exists(lastTempDir.resolve("process.json")));
-        assertEquals(97.909241, dimensions.get().yMm(), 0.000001);
+        assertTrue(Files.exists(lastTempDir.resolve("machine.json")));
-        assertEquals(70.000008, dimensions.get().zMm(), 0.000001);
+        assertTrue(Files.exists(lastTempDir.resolve("filament.json")));
     }
 
     @Test
-    void parseModelDimensionsFromInfoOutput_missingValues_returnsEmpty() {
+    void testSlice_WithLayerHeightOverride_ShouldUpdateProcessJson() throws IOException {
-        String output = """
+        File dummyStl = tempDir.resolve("test.stl").toFile();
-                [model.step]
+        Files.createFile(dummyStl.toPath());
-                size_x = 10.0
-                size_y = 20.0
-                """;
 
-        Optional<ModelDimensions> dimensions = SlicerService.parseModelDimensionsFromInfoOutput(output);
+        Map<String, String> processOverrides = new HashMap<>();
+        processOverrides.put("layer_height", "0.12");
 
-        assertTrue(dimensions.isEmpty());
+        slicerService.slice(dummyStl, "Bambu A1", "PLA", "Standard", null, processOverrides);
+
+        File processJsonFile = lastTempDir.resolve("process.json").toFile();
+        ObjectNode processJson = (ObjectNode) mapper.readTree(processJsonFile);
+        
+        assertTrue(processJson.has("layer_height"));
+        assertEquals("0.12", processJson.get("layer_height").asText());
+    }
+
+    @Test
+    void testSlice_WithInfillAndSupportOverrides_ShouldUpdateProcessJson() throws IOException {
+        File dummyStl = tempDir.resolve("test.stl").toFile();
+        Files.createFile(dummyStl.toPath());
+
+        Map<String, String> processOverrides = new HashMap<>();
+        processOverrides.put("sparse_infill_density", "25%");
+        processOverrides.put("enable_support", "1");
+
+        slicerService.slice(dummyStl, "Bambu A1", "PLA", "Standard", null, processOverrides);
+
+        File processJsonFile = lastTempDir.resolve("process.json").toFile();
+        ObjectNode processJson = (ObjectNode) mapper.readTree(processJsonFile);
+        
+        assertEquals("25%", processJson.get("sparse_infill_density").asText());
+        assertEquals("1", processJson.get("enable_support").asText());
     }
 }