fix(back-end): back-end fix mantain settings

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

@@ -142,8 +142,25 @@ public class QuoteSessionController {
                 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"
@@ -155,11 +172,18 @@ public class QuoteSessionController {
                  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 (Boolean.TRUE.equals(settings.getSupportsEnabled())) processOverrides.put("enable_support", "1");
+            
+            Map<String, String> machineOverrides = new HashMap<>();
+            if (settings.getNozzleDiameter() != null) {
+                machineOverrides.put("nozzle_diameter", String.valueOf(settings.getNozzleDiameter()));
+            }
 
             // 3. Slice (Use persistent path)
             PrintStats stats = slicerService.slice(
@@ -167,7 +191,7 @@ public class QuoteSessionController {
                 machineProfile, 
                 filamentProfile, 
                 processProfile, 
-                null, // machine overrides
+                machineOverrides, // machine overrides
                 processOverrides
             );
             
@@ -227,17 +251,20 @@ 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(20.0);
                     settings.setInfillPattern("grid");
+                    if (settings.getNozzleDiameter() == null) settings.setNozzleDiameter(0.4);
                     break;
             }
         } else {
@@ -245,6 +272,8 @@ public class QuoteSessionController {
             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);
         }
     }
 

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

@@ -19,5 +19,6 @@ public class PrintSettingsDto {
     private Double infillDensity;
     private String infillPattern;
     private Boolean supportsEnabled;
+    private Double nozzleDiameter;
     private String notes;
 }

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

@@ -0,0 +1,133 @@
+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.model.PrintStats;
+import com.printcalculator.model.QuoteResult;
+import com.printcalculator.entity.PrinterMachine;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+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.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;
+
+    @MockBean
+    private QuoteSessionRepository sessionRepo;
+
+    @MockBean
+    private QuoteLineItemRepository lineItemRepo; // Mock this too
+
+    @MockBean
+    private SlicerService slicerService;
+
+    @MockBean
+    private StorageService storageService;
+    
+    @MockBean
+    private QuoteCalculator quoteCalculator;
+    
+    @MockBean
+    private PrinterMachineRepository machineRepo;
+    
+    @MockBean
+    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");
+        }}));
+        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(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);
+        }
+    }
+}