add category name at product response

internal/contract/product_contract.go

@@ -59,6 +59,7 @@ type ProductResponse struct {
 	ID             uuid.UUID                `json:"id"`
 	OrganizationID uuid.UUID                `json:"organization_id"`
 	CategoryID     uuid.UUID                `json:"category_id"`
+	CategoryName   string                   `json:"category_name"`
 	SKU            *string                  `json:"sku"`
 	Name           string                   `json:"name"`
 	Description    *string                  `json:"description"`

internal/mappers/product_mapper.go

@@ -4,6 +4,8 @@ import (
 	"apskel-pos-be/internal/constants"
 	"apskel-pos-be/internal/entities"
 	"apskel-pos-be/internal/models"
+
+	"github.com/google/uuid"
 )
 
 func ProductEntityToModel(entity *entities.Product) *models.Product {
@@ -118,10 +120,17 @@ func ProductEntityToResponse(entity *entities.Product) *models.ProductResponse {
 		}
 	}
 
+	// Get category name from the Category relation
+	categoryName := ""
+	if entity.Category.ID != uuid.Nil {
+		categoryName = entity.Category.Name
+	}
+
 	return &models.ProductResponse{
 		ID:             entity.ID,
 		OrganizationID: entity.OrganizationID,
 		CategoryID:     entity.CategoryID,
+		CategoryName:   categoryName,
 		SKU:            entity.SKU,
 		Name:           entity.Name,
 		Description:    entity.Description,

internal/models/product.go

@@ -95,6 +95,7 @@ type ProductResponse struct {
 	ID             uuid.UUID
 	OrganizationID uuid.UUID
 	CategoryID     uuid.UUID
+	CategoryName   string
 	SKU            *string
 	Name           string
 	Description    *string

internal/transformer/product_transformer.go

@@ -101,6 +101,7 @@ func ProductModelResponseToResponse(prod *models.ProductResponse) *contract.Prod
 		ID:             prod.ID,
 		OrganizationID: prod.OrganizationID,
 		CategoryID:     prod.CategoryID,
+		CategoryName:   prod.CategoryName,
 		SKU:            prod.SKU,
 		Name:           prod.Name,
 		Description:    prod.Description,