finito spero

backend/src/models/Item.ts

@@ -5,6 +5,7 @@ export interface IItem extends Document {
   name:        string;
   description: string;
   tags:        Types.Array<ITag['_id']>;
+  quantity:    number;           // ← nuovo
   dateAdded:   Date;
   addedBy:     string;
 }
@@ -13,8 +14,9 @@ const itemSchema = new Schema<IItem>({
   name:        { type: String, required: true },
   description: { type: String, required: true },
   tags:        [{ type: Schema.Types.ObjectId, ref: 'Tag' }],
+  quantity:    { type: Number, default: 0, min: 0 },   // default 0, mai negativo
   dateAdded:   { type: Date, default: Date.now },
-  addedBy:     { type: String }
+  addedBy:     { type: String },
 });
 
 export default model<IItem>('Item', itemSchema);

backend/src/routes/items.ts

@@ -1,6 +1,6 @@
 import { Router } from 'express';
 import Item from '../models/Item.js';
-import Tag from '../models/Tag.js';
+import Tag  from '../models/Tag.js';
 import auth from '../middleware/auth.js';
 
 const router = Router();
@@ -26,16 +26,16 @@ router.get('/search', async (req, res) => {
     ],
   };
 
-  const items = await Item.find(filter).populate('tags');
-  res.json(items);
+  res.json(await Item.find(filter).populate('tags'));
 });
 
-/* ──────────── POST: crea item (protetto) ──────────── */
+/* ──────────── POST: crea item ──────────── */
 router.post('/', auth, async (req, res) => {
-  const { name, description, tagIds } = req.body as {
+  const { name, description, tagIds, quantity = 0 } = req.body as {
     name: string;
     description: string;
     tagIds: string[];
+    quantity?: number;
   };
 
   const tags = await Tag.find({ _id: { $in: tagIds } });
@@ -43,23 +43,68 @@ router.post('/', auth, async (req, res) => {
     name,
     description,
     tags,
+    quantity,
     addedBy: req.user!.email,
   });
 
   res.status(201).json(await item.populate('tags'));
 });
 
-/* ──────────── DELETE: elimina item (protetto) ──────────── */
+/* ──────────── PUT: aggiorna intero item ──────────── */
+router.put('/:id', auth, async (req, res) => {
+  const { id } = req.params;
+  const { name, description, tagIds, quantity } = req.body as {
+    name?: string;
+    description?: string;
+    tagIds?: string[];
+    quantity?: number;
+  };
+
+  const update: any = {};
+  if (name !== undefined)        update.name        = name;
+  if (description !== undefined) update.description = description;
+  if (quantity !== undefined)    update.quantity    = quantity;
+  if (tagIds)                    update.tags = await Tag.find({ _id: { $in: tagIds } });
+
+  const item = await Item.findByIdAndUpdate(id, update, { new: true }).populate('tags');
+  if (!item) {
+    res.status(404).json({ message: 'Item non trovato' });
+    return;
+  }
+  res.json(item);
+});
+
+/* ──────────── PATCH: modifica solo la quantità ──────────── */
+router.patch('/:id/quantity', auth, async (req, res) => {
+  const { id } = req.params;
+  const { quantity } = req.body as { quantity: number };
+
+  if (quantity < 0) {
+    res.status(400).json({ message: 'La quantità non può essere negativa' });
+    return;
+  }
+
+  const item = await Item.findByIdAndUpdate(
+    id,
+    { quantity },
+    { new: true }
+  ).populate('tags');
+
+  if (!item) {
+    res.status(404).json({ message: 'Item non trovato' });
+    return;
+  }
+  res.json(item);
+});
+
+/* ──────────── DELETE: elimina item ──────────── */
 router.delete('/:id', auth, async (req, res) => {
   const { id } = req.params;
-
   const deleted = await Item.findByIdAndDelete(id);
   if (!deleted) {
     res.status(404).json({ message: 'Item non trovato' });
     return;
   }
-
-  // 204 No Content: operazione riuscita, nessun body
   res.status(204).end();
 });