added quantity used

backend/src/models/Item.ts

@@ -6,15 +6,17 @@ export interface IItem extends Document {
   description: string;
   tags:        Types.Array<ITag['_id']>;
   quantity:    number;           // ← nuovo
+  used:        number;          // ← nuovo, opzionale
   dateAdded:   Date;
   addedBy:     string;
 }
 
 const itemSchema = new Schema<IItem>({
   name:        { type: String, required: true },
-  description: { type: String, required: true },
+  description: { type: String, required: false },
   tags:        [{ type: Schema.Types.ObjectId, ref: 'Tag' }],
   quantity:    { type: Number, default: 0, min: 0 },   // default 0, mai negativo
+  used:       { type: Number, default: 0 },      // opzionale, default false
   dateAdded:   { type: Date, default: Date.now },
   addedBy:     { type: String },
 });

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();
@@ -18,7 +18,7 @@ router.get('/search', async (req, res) => {
     tagIds?: string;
   };
 
-  const regex  = new RegExp(query, 'i');
+  const regex = new RegExp(query, 'i');
   const filter: any = {
     $and: [
       { $or: [{ name: regex }, { description: regex }] },
@@ -31,11 +31,12 @@ router.get('/search', async (req, res) => {
 
 /* ──────────── POST: crea item ──────────── */
 router.post('/', auth, async (req, res) => {
-  const { name, description, tagIds, quantity = 0 } = req.body as {
+  const { name, description, tagIds, quantity = 0, used = false } = req.body as {
     name: string;
     description: string;
     tagIds: string[];
     quantity?: number;
+    used?: number;
   };
 
   const tags = await Tag.find({ _id: { $in: tagIds } });
@@ -44,6 +45,7 @@ router.post('/', auth, async (req, res) => {
     description,
     tags,
     quantity,
+    used,
     addedBy: req.user!.email,
   });
 
@@ -61,10 +63,10 @@ router.put('/:id', auth, async (req, res) => {
   };
 
   const update: any = {};
-  if (name !== undefined)        update.name        = name;
+  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 } });
+  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) {
@@ -84,17 +86,46 @@ router.patch('/:id/quantity', auth, async (req, res) => {
     return;
   }
 
-  const item = await Item.findByIdAndUpdate(
-    id,
-    { quantity },
-    { new: true }
-  ).populate('tags');
-
+  const item = await Item.findById(id);
   if (!item) {
     res.status(404).json({ message: 'Item non trovato' });
     return;
   }
-  res.json(item);
+
+  if (item.used > quantity) {
+    res.status(400).json({ message: 'La quantità non può essere inferiore alla quantità utilizzata' });
+    return;
+  }
+
+  item.quantity = quantity;
+  await item.save();
+  res.json(await item.populate('tags'));
+});
+
+/* ──────────── PATCH: modifica solo la quantità utilizzata ──────────── */
+router.patch('/:id/usedquantity', 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 utilizzata non può essere negativa' });
+    return;
+  }
+
+  const item = await Item.findById(id);
+  if (!item) {
+    res.status(404).json({ message: 'Item non trovato' });
+    return;
+  }
+
+  if (quantity > item.quantity) {
+    res.status(400).json({ message: 'La quantità utilizzata non può essere maggiore della quantità totale' });
+    return;
+  }
+
+  item.used = quantity;
+  await item.save();
+  res.json(await item.populate('tags'));
 });
 
 /* ──────────── DELETE: elimina item ──────────── */