cart refactor

src/modules/cart/providers/cart-validation.service.ts

@@ -15,6 +15,7 @@ import { ProductService } from 'src/modules/products/providers/product.service';
 import { ShopService } from 'src/modules/shops/providers/shops.service';
 import { DeliveryService } from 'src/modules/delivery/providers/delivery.service';
 import { PaymentMethodService } from 'src/modules/payments/services/payment-method.service';
+import { Variant } from 'src/modules/products/entities/variant.entity';
 
 @Injectable()
 export class CartValidationService {
@@ -30,14 +31,14 @@ export class CartValidationService {
   /**
    * Validate product exists and belongs to shop
    */
-  async validateAndGetFood(productId: string, shopId: string, quantity: number): Promise<Product> {
-    const product = await this.productService.findOrFail(productId)
+  async validateAndGetVariant(variantId: string, shopId: string, quantity: number): Promise<Variant> {
+    const variant = await this.productService.findOrFailVariant(variantId)
 
-    if (product.shop.id !== shopId) {
+    if (variant.product.shop.id !== shopId) {
       throw new BadRequestException(CartMessage.PRODUCT_NOT_BELONGS_TO_SHOP);
     }
 
-    return product;
+    return variant;
   }