feat(BE): add product flags to product warehouse response

internal/modules/inventory/product-warehouses/dto/product_warehouse.dto.go

@@ -34,6 +34,7 @@ type ProductBaseDTO struct {
 	Id    uint     `json:"id"`
 	Name  string   `json:"name"`
 	Sku   string   `json:"sku"`
+	Flags []string `json:"flags"`
 }
 
 type WarehouseBaseDTO struct {
@@ -68,6 +69,12 @@ func ToProductWarehouseListDTO(e entity.ProductWarehouse) ProductWarehouseListDT
 		if e.Product.Sku != nil {
 			product.Sku = *e.Product.Sku
 		}
+		// Map flags from Product relation
+		if len(e.Product.Flags) > 0 {
+			for _, f := range e.Product.Flags {
+				product.Flags = append(product.Flags, f.Name)
+			}
+		}
 		dto.Product = &product
 	}
 

internal/modules/inventory/product-warehouses/services/product_warehouse.service.go

@@ -34,7 +34,7 @@ func NewProductWarehouseService(repo repository.ProductWarehouseRepository, vali
 }
 
 func (s productWarehouseService) withRelations(db *gorm.DB) *gorm.DB {
-	return db.Preload("Product").Preload("Warehouse").Preload("CreatedUser")
+	return db.Preload("Product.Flags").Preload("Product").Preload("Warehouse").Preload("CreatedUser")
 }
 
 func (s productWarehouseService) GetAll(c *fiber.Ctx, params *validation.Query) ([]entity.ProductWarehouse, int64, error) {