add outlet association to category entity and related layers

internal/entities/category.go

@@ -33,6 +33,7 @@ func (m *Metadata) Scan(value interface{}) error {
 type Category struct {
 	ID             uuid.UUID `gorm:"type:uuid;primary_key;default:gen_random_uuid()" json:"id"`
 	OrganizationID uuid.UUID `gorm:"type:uuid;not null;index" json:"organization_id" validate:"required"`
+	OutletID       uuid.UUID `gorm:"type:uuid;not null;index" json:"outlet_id" validate:"required"`
 	Name           string    `gorm:"not null;size:255" json:"name" validate:"required,min=1,max=255"`
 	Description    *string   `gorm:"type:text" json:"description"`
 	Order    	   int  	 `gorm:"default:0" json:"order"`
@@ -42,6 +43,7 @@ type Category struct {
 	UpdatedAt      time.Time `gorm:"autoUpdateTime" json:"updated_at"`
 
 	Organization Organization `gorm:"foreignKey:OrganizationID" json:"organization,omitempty"`
+	Outlet       Outlet       `gorm:"foreignKey:OutletID" json:"outlet,omitempty"`
 	Products     []Product    `gorm:"foreignKey:CategoryID" json:"products,omitempty"`
 }
 

internal/handler/category_handler.go

@@ -170,6 +170,12 @@ func (h *CategoryHandler) ListCategories(c *gin.Context) {
 		req.BusinessType = businessType
 	}
 
+	if outletIDStr := c.Query("outlet_id"); outletIDStr != "" {
+		if outletID, err := uuid.Parse(outletIDStr); err == nil {
+			req.OutletID = &outletID
+		}
+	}
+
 	if organizationIDStr := c.Query("organization_id"); organizationIDStr != "" {
 		if organizationID, err := uuid.Parse(organizationIDStr); err == nil {
 			req.OrganizationID = &organizationID

internal/models/category.go

@@ -9,6 +9,7 @@ import (
 type Category struct {
 	ID             uuid.UUID
 	OrganizationID uuid.UUID
+	OutletID       uuid.UUID
 	Name           string
 	Description    *string
 	ImageURL       *string
@@ -20,6 +21,7 @@ type Category struct {
 
 type CreateCategoryRequest struct {
 	OrganizationID uuid.UUID `validate:"required"`
+	OutletID       uuid.UUID `validate:"required"`
 	Name           string    `validate:"required,min=1,max=255"`
 	Description    *string   `validate:"omitempty,max=1000"`
 	ImageURL       *string   `validate:"omitempty,url"`
@@ -27,6 +29,7 @@ type CreateCategoryRequest struct {
 }
 
 type UpdateCategoryRequest struct {
+	OutletID    *uuid.UUID `validate:"omitempty,required"`
 	Name        *string    `validate:"omitempty,min=1,max=255"`
 	Description *string `validate:"omitempty,max=1000"`
 	ImageURL    *string `validate:"omitempty,url"`
@@ -37,6 +40,7 @@ type UpdateCategoryRequest struct {
 type CategoryResponse struct {
 	ID             uuid.UUID
 	OrganizationID uuid.UUID
+	OutletID       uuid.UUID
 	Name           string
 	Description    *string
 	ImageURL       *string

internal/repository/category_repository.go

@@ -25,7 +25,7 @@ func (r *CategoryRepositoryImpl) Create(ctx context.Context, category *entities.
 
 func (r *CategoryRepositoryImpl) GetByID(ctx context.Context, id uuid.UUID) (*entities.Category, error) {
 	var category entities.Category
-	err := r.db.WithContext(ctx).First(&category, "id = ?", id).Error
+	err := r.db.WithContext(ctx).Preload("Outlet").First(&category, "id = ?", id).Error
 	if err != nil {
 		return nil, err
 	}
@@ -34,7 +34,7 @@ func (r *CategoryRepositoryImpl) GetByID(ctx context.Context, id uuid.UUID) (*en
 
 func (r *CategoryRepositoryImpl) GetWithProducts(ctx context.Context, id uuid.UUID) (*entities.Category, error) {
 	var category entities.Category
-	err := r.db.WithContext(ctx).Preload("Products").First(&category, "id = ?", id).Error
+	err := r.db.WithContext(ctx).Preload("Products").Preload("Outlet").First(&category, "id = ?", id).Error
 	if err != nil {
 		return nil, err
 	}
@@ -81,7 +81,7 @@ func (r *CategoryRepositoryImpl) List(ctx context.Context, filters map[string]in
 		return nil, 0, err
 	}
 
-	err := query.Order("\"order\" ASC").Limit(limit).Offset(offset).Find(&categories).Error
+	err := query.Preload("Outlet").Order("\"order\" ASC").Limit(limit).Offset(offset).Find(&categories).Error
 	return categories, total, err
 }
 

internal/service/category_service.go

@@ -88,6 +88,9 @@ func (s *CategoryServiceImpl) ListCategories(ctx context.Context, req *contract.
 	if req.BusinessType != "" {
 		filters["business_type"] = req.BusinessType
 	}
+	if req.OutletID != nil {
+		filters["outlet_id"] = *req.OutletID
+	}
 	if req.Search != "" {
 		filters["search"] = req.Search
 	}

internal/transformer/category_transformer.go

@@ -9,6 +9,7 @@ import (
 func CreateCategoryRequestToModel(apctx *appcontext.ContextInfo, req *contract.CreateCategoryRequest) *models.CreateCategoryRequest {
 	return &models.CreateCategoryRequest{
 		OrganizationID: apctx.OrganizationID,
+		OutletID:       req.OutletID,
 		Name:           req.Name,
 		Description:    req.Description,
 		ImageURL:       nil,
@@ -18,6 +19,7 @@ func CreateCategoryRequestToModel(apctx *appcontext.ContextInfo, req *contract.C
 
 func UpdateCategoryRequestToModel(req *contract.UpdateCategoryRequest) *models.UpdateCategoryRequest {
 	return &models.UpdateCategoryRequest{
+		OutletID:    req.OutletID,
 		Name:        req.Name,
 		Description: req.Description,
 		ImageURL:    nil,
@@ -34,6 +36,7 @@ func CategoryModelResponseToResponse(cat *models.CategoryResponse) *contract.Cat
 	return &contract.CategoryResponse{
 		ID:             cat.ID,
 		OrganizationID: cat.OrganizationID,
+		OutletID:       cat.OutletID,
 		Name:           cat.Name,
 		Description:    cat.Description,
 		BusinessType:   "restaurant", // Default business type

internal/validator/category_validator.go

@@ -6,6 +6,8 @@ import (
 
 	"apskel-pos-be/internal/constants"
 	"apskel-pos-be/internal/contract"
+
+	"github.com/google/uuid"
 )
 
 type CategoryValidator interface {
@@ -25,6 +27,10 @@ func (v *CategoryValidatorImpl) ValidateCreateCategoryRequest(req *contract.Crea
 		return errors.New("request body is required"), constants.MissingFieldErrorCode
 	}
 
+	if req.OutletID == uuid.Nil {
+		return errors.New("outlet_id is required"), constants.MissingFieldErrorCode
+	}
+
 	if strings.TrimSpace(req.Name) == "" {
 		return errors.New("name is required"), constants.MissingFieldErrorCode
 	}
@@ -59,7 +65,7 @@ func (v *CategoryValidatorImpl) ValidateUpdateCategoryRequest(req *contract.Upda
 	}
 
 	// At least one field should be provided for update
-	if req.Name == nil && req.Description == nil && req.BusinessType == nil && req.Metadata == nil {
+	if req.Name == nil && req.Description == nil && req.BusinessType == nil && req.Metadata == nil && req.OutletID == nil {
 		return errors.New("at least one field must be provided for update"), constants.MissingFieldErrorCode
 	}