JoeKung/print-calculator
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fix(back-end): file error handling
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Joe Küng
2026-02-16 15:51:04 +01:00
parent e2872c730c
commit 49bae8e186
1 changed files with 17 additions and 41 deletions
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58
backend/src/main/java/com/printcalculator/service/SlicerService.java
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@@ -43,9 +43,6 @@ public class SlicerService {
public PrintStats slice(File inputStl, String machineName, String filamentName, String processName,
Map<String, String> machineOverrides, Map<String, String> processOverrides) throws IOException {
// Log version once for diagnostics
try { runVersionCheck(); } catch (Exception e) {}
ObjectNode machineProfile = profileManager.getMergedProfile(machineName, "machine");
ObjectNode filamentProfile = profileManager.getMergedProfile(filamentName, "filament");
ObjectNode processProfile = profileManager.getMergedProfile(processName, "process");
@@ -53,8 +50,18 @@ public class SlicerService {
if (machineOverrides != null) machineOverrides.forEach(machineProfile::put);
if (processOverrides != null) processOverrides.forEach(processProfile::put);
// Pulizia radicale per rendere la macchina "anonima" ed evitare crash geometrici su zone di esclusione
makeMachineGeneric(machineProfile);
// MANTENIAMO L'IDENTITÀ BAMBU LAB A1
// Ma puliamo solo i riferimenti a mesh esterne che causano il crash grafico (Unable to create exclude triangles)
machineProfile.put("printer_model", "Bambu Lab A1");
// Impostiamo aree di esclusione vuote esplicitamente per evitare che lo slicer tenti di caricarle dai suoi interni
machineProfile.putArray("bed_exclude_area");
machineProfile.putArray("head_wrap_detect_zone");
// Rimuoviamo i modelli 3D del piatto che richiedono caricamento di mesh STL/OBJ interne
machineProfile.remove("bed_custom_model");
machineProfile.remove("bed_custom_texture");
machineProfile.remove("thumbnail");
Path baseTempPath = Paths.get("/app/temp");
if (!Files.exists(baseTempPath)) Files.createDirectories(baseTempPath);
@@ -75,7 +82,6 @@ public class SlicerService {
List<String> command = new ArrayList<>();
command.add(slicerPath);
// Ordine ottimizzato per OrcaSlicer 1.9+
command.add("--load-settings");
command.add(mFile.getAbsolutePath());
command.add("--load-settings");
@@ -86,20 +92,21 @@ public class SlicerService {
command.add("--outputdir");
command.add(tempDir.toAbsolutePath().toString());
// Forza il posizionamento automatico: indispensabile per pezzi grandi che potrebbero
// essere salvati con coordinate fuori dal centro piatto
command.add("--arrange");
command.add("1");
command.add("1");
command.add("--ensure-on-bed");
command.add("--slice");
command.add("0");
command.add("1");
command.add(localStl.getAbsolutePath());
logger.info("Executing Slicer on file: " + localStl.getAbsolutePath() + " (Size: " + localStl.length() + " bytes)");
logger.info("Executing Slicer for Bambu Lab A1 on: " + localStl.getAbsolutePath());
runSlicerCommand(command, tempDir);
// Cerca il file G-code prodotto
try (Stream<Path> s = Files.list(tempDir)) {
Optional<Path> found = s.filter(p -> p.toString().endsWith(".gcode")).findFirst();
if (found.isPresent()) return gCodeParser.parse(found.get().toFile());
@@ -112,37 +119,6 @@ public class SlicerService {
}
}
private void makeMachineGeneric(ObjectNode profile) {
// Forza l'identità della stampante per usare i parametri di accelerazione/velocità della A1
profile.put("printer_model", "Bambu Lab A1");
// Rimuove l'ereditarietà e gli ID per evitare che lo slicer cerchi di ricaricare asset di sistema (mesh/texture)
profile.remove("inherits");
profile.remove("setting_id");
profile.remove("printer_settings_id");
// Rimuove zone di esclusione e modelli complessi che richiedono calcoli grafici pesanti (CAUSA CRASH IN HEADLESS)
profile.remove("bed_exclude_area");
profile.remove("head_wrap_detect_zone");
profile.remove("bed_custom_model");
profile.remove("bed_custom_texture");
profile.remove("thumbnail");
profile.remove("thumbnails");
// Forza un'area di stampa standard 256x256x256 (Bambu A1)
try {
profile.set("printable_area", mapper.readTree("[\"0x0\",\"256x0\",\"256x256\",\"0x256\"]"));
profile.put("printable_height", "256");
} catch (Exception ignored) {}
}
private void runVersionCheck() throws IOException, InterruptedException {
Process p = new ProcessBuilder(slicerPath, "--version").start();
p.waitFor();
String ver = new String(p.getInputStream().readAllBytes()).trim();
logger.info("OrcaSlicer Version on server: " + ver);
}
protected void runSlicerCommand(List<String> command, Path tempDir) throws IOException, InterruptedException {
ProcessBuilder pb = new ProcessBuilder(command);
pb.directory(tempDir.toFile());