feat: make pantry items and meal plan entries user-scoped; update related services and controllers

backend/src/pantry/pantry.service.ts

@@ -6,8 +6,9 @@ import { CreatePantryItemDto } from './dto/create-pantry-item.dto';
 export class PantryService {
   constructor(private readonly prisma: PrismaService) {}
 
-  findAll() {
+  findAll(userId: number) {
     return this.prisma.pantryItem.findMany({
+      where: { userId },
       include: {
         product: true,
       },
@@ -17,9 +18,14 @@ export class PantryService {
     });
   }
 
-  async create(data: CreatePantryItemDto) {
+  async create(userId: number, data: CreatePantryItemDto) {
     const existing = await this.prisma.pantryItem.findUnique({
-      where: { productId: data.productId },
+      where: {
+        userId_productId: {
+          userId,
+          productId: data.productId,
+        },
+      },
     });
 
     if (existing) {
@@ -27,13 +33,15 @@ export class PantryService {
     }
 
     return this.prisma.pantryItem.create({
-      data: { productId: data.productId },
+      data: { userId, productId: data.productId },
       include: { product: true },
     });
   }
 
-  async remove(id: number) {
-    const item = await this.prisma.pantryItem.findUnique({ where: { id } });
+  async remove(userId: number, id: number) {
+    const item = await this.prisma.pantryItem.findFirst({
+      where: { id, userId },
+    });
 
     if (!item) {
       throw new NotFoundException(`PantryItem med id ${id} hittades inte`);