Enhanced delete functionality for filaments by adding a route handler that checks for dependencies before deletion. Updated the database service to support this check, ensuring objects in use cannot be deleted. Refactored related routes for consistency.

src/database/database.js

@@ -933,9 +933,28 @@ export const newObject = async ({ model, newData, user = null }, distributeChang
 };
 
 // Reusable function to delete an object by ID, with audit logging and distribution
-export const deleteObject = async ({ model, id, user = null }, distributeChanges = true) => {
+export const deleteObject = async (
+  { model, id, user = null, checkUnused = false },
+  distributeChanges = true
+) => {
   try {
     const parentType = model.modelName ? model.modelName : 'unknown';
+
+    if (checkUnused) {
+      const dependencies = await listObjectDependencies({ model, id });
+      if (dependencies?.error) {
+        return { error: dependencies.error, code: dependencies.code || 500 };
+      }
+      if (dependencies?.length > 0) {
+        return {
+          error: 'Object is in use and cannot be deleted',
+          code: 409,
+          dependencies: dependencies.length,
+          dependencyDetails: dependencies,
+        };
+      }
+    }
+
     // Delete the object
     const result = await model.findByIdAndDelete(id);
 

src/routes/management/filaments.js

@@ -10,6 +10,7 @@ import {
   editFilamentRouteHandler,
   editMultipleFilamentsRouteHandler,
   newFilamentRouteHandler,
+  deleteFilamentRouteHandler,
   getFilamentStatsRouteHandler,
   getFilamentHistoryRouteHandler,
 } from '../../services/management/filaments.js';
@@ -70,9 +71,13 @@ router.put('/', isAuthenticated, async (req, res) => {
   editMultipleFilamentsRouteHandler(req, res);
 });
 
-// update printer info
+// update filament info
 router.put('/:id', isAuthenticated, async (req, res) => {
   editFilamentRouteHandler(req, res);
 });
 
+router.delete('/:id', isAuthenticated, async (req, res) => {
+  deleteFilamentRouteHandler(req, res);
+});
+
 export default router;

src/services/management/filaments.js

@@ -9,6 +9,7 @@ import {
   editObject,
   editObjects,
   newObject,
+  deleteObject,
   getModelStats,
   getModelHistory,
 } from '../../database/database.js';
@@ -194,6 +195,26 @@ export const newFilamentRouteHandler = async (req, res) => {
   res.send(result);
 };
 
+export const deleteFilamentRouteHandler = async (req, res) => {
+  const id = new mongoose.Types.ObjectId(req.params.id);
+
+  logger.trace(`Filament with ID: ${id}`);
+
+  const result = await deleteObject({
+    model: filamentModel,
+    id,
+    user: req.user,
+    checkUnused: true,
+  });
+  if (result.error) {
+    logger.error('No filament deleted:', result.error);
+    return res.status(result.code).send(result);
+  }
+
+  logger.debug(`Deleted filament with ID: ${id}`);
+  res.send(result);
+};
+
 export const getFilamentStatsRouteHandler = async (req, res) => {
   const result = await getModelStats({ model: filamentModel });
   if (result?.error) {