feat(products): include ownerId in product creation and enforce its requirement

backend/src/products/products.controller.ts

@@ -128,8 +128,8 @@ export class ProductsController {
 
   @Roles('admin')
   @Post()
-  create(@Body() body: CreateProductDto) {
-    return this.productsService.create(body);
+  create(@Body() body: CreateProductDto, @Request() req: { user: { id: number } }) {
+    return this.productsService.create(body, req.user.id);
   }
 
   // Tillgänglig för alla inloggade användare — req.user.id injiceras av JWT-guard

backend/src/products/products.service.ts

@@ -116,7 +116,7 @@ export class ProductsService {
     return product;
   }
 
-  async create(data: CreateProductDto) {
+  async create(data: CreateProductDto, ownerId?: number) {
     const name = data.name.trim();
     const normalizedName = normalizeName(name);
 
@@ -140,8 +140,13 @@ export class ProductsService {
       return existing;
     }
 
+    if (!ownerId) {
+      throw new Error('ownerId är obligatorisk för att skapa en produkt');
+    }
+
     return this.prisma.product.create({
       data: {
+        ownerId,
         name,
         normalizedName,
         canonicalName: name,

backend/src/receipt-import/receipt-import.service.ts

@@ -120,11 +120,11 @@ export class ReceiptImportService {
     const [aliases, products] = await Promise.all([
       this.prisma.receiptAlias.findMany({
         where: aliasFilter,
-        select: { receiptName: true, productId: true, product: { select: { id: true, name: true, canonicalName: true, categoryId: true, categoryRef: { select: { id: true, name: true, path: true } } } } },
+        select: { receiptName: true, productId: true, product: { select: { id: true, name: true, canonicalName: true, categoryId: true, categoryRef: { select: { id: true, name: true } } } } },
       }),
       this.prisma.product.findMany({
         where: productFilter,
-        select: { id: true, name: true, canonicalName: true, categoryId: true, categoryRef: { select: { id: true, name: true, path: true } } },
+        select: { id: true, name: true, canonicalName: true, categoryId: true, categoryRef: { select: { id: true, name: true } } },
       }),
     ]);
 
@@ -140,7 +140,7 @@ export class ReceiptImportService {
           ...item,
           matchedProductId: alias.product.id,
           matchedProductName: alias.product.canonicalName ?? alias.product.name,
-          ...(cat ? { categorySuggestion: { categoryId: cat.id, categoryName: cat.name, path: cat.path, confidence: 'high' as const, usedFallback: false } } : {}),
+          ...(cat ? { categorySuggestion: { categoryId: cat.id, categoryName: cat.name, path: cat.name, confidence: 'high' as const, usedFallback: false } } : {}),
         };
       }
 
@@ -154,15 +154,15 @@ export class ReceiptImportService {
         ...item,
         suggestedProductId: suggestion.id,
         suggestedProductName: suggestion.canonicalName ?? suggestion.name,
-        ...(cat ? { categorySuggestion: { categoryId: cat.id, categoryName: cat.name, path: cat.path, confidence: 'medium' as const, usedFallback: false } } : {}),
+        ...(cat ? { categorySuggestion: { categoryId: cat.id, categoryName: cat.name, path: cat.name, confidence: 'medium' as const, usedFallback: false } } : {}),
       };
     });
   }
 
   private findWordMatch(
     raw: string,
-    products: { id: number; name: string; canonicalName: string | null; categoryId: number | null; categoryRef: { id: number; name: string; path: string } | null }[],
-  ): { id: number; name: string; canonicalName: string | null; categoryId: number | null; categoryRef: { id: number; name: string; path: string } | null } | undefined {
+    products: { id: number; name: string; canonicalName: string | null; categoryId: number | null; categoryRef: { id: number; name: string } | null }[],
+  ): { id: number; name: string; canonicalName: string | null; categoryId: number | null; categoryRef: { id: number; name: string } | null } | undefined {
     // Dela upp kvittonamnet i ord (min 3 tecken)
     const rawWords = tokenize(raw);
     if (rawWords.length === 0) return undefined;
@@ -173,7 +173,7 @@ export class ReceiptImportService {
     const rawWordSetNorm = new Set(rawWordsNorm);
 
     let best:
-      | { product: { id: number; name: string; canonicalName: string | null }; score: number }
+      | { product: { id: number; name: string; canonicalName: string | null; categoryId: number | null; categoryRef: { id: number; name: string } | null }; score: number }
       | undefined;
 
     for (const product of products) {