feat(role_service): Add menu assignment functionality and related error handling

modules/role/dto/role_dto.go

@@ -48,10 +48,12 @@ var (
 	ErrGetRoleById              = errors.New("failed to get role by id")
 	ErrGetRoleByName            = errors.New("failed to get role by name")
 	ErrRoleAlreadyExists        = errors.New("role already exist")
+	ErrMenuAlreadyExists        = errors.New("menu already exist")
 	ErrPermissionAlreadyExists  = errors.New("permission already exist")
 	ErrUpdateRole               = errors.New("failed to update role")
-	ErrRoleNotFound             = errors.New("role not found")
 	ErrDeleteRole               = errors.New("failed to delete role")
+	ErrRoleNotFound             = errors.New("role not found")
+	ErrMenuNotFound             = errors.New("menu not found")
 	ErrPermissionNotFound       = errors.New("permission not found")
 	ErrAssignRoleToUser         = errors.New("failed to assign role to user")
 	ErrRemoveRoleFromUser       = errors.New("failed to remove role from user")

modules/role/service/role_service.go

@@ -57,6 +57,7 @@ func (r *roleService) GetAll(ctx context.Context) ([]dto.RoleResponse, error) {
 	return responses, nil
 }
 
+// AssignMenusToRole implements RoleService.
 // AssignMenusToRole implements RoleService.
 func (r *roleService) AssignMenusToRole(ctx context.Context, roleId string, menuIds []string) error {
 	if len(menuIds) == 0 {
@@ -75,10 +76,38 @@ func (r *roleService) AssignMenusToRole(ctx context.Context, roleId string, menu
 			return dto.ErrRoleNotFound
 		}
 
-		// Assign menus ke role
-		if err := r.roleRepo.AssignMenusToRole(ctx, tx, roleId, menuIds); err != nil {
+		rows := make([]entities.M_Role_Menu, 0, len(menuIds))
+		roleUUID, err := uuid.Parse(roleId)
+		if err != nil {
 			return err
 		}
+
+		for _, mid := range menuIds {
+			menuUUID, err := uuid.Parse(mid)
+			if err != nil {
+				return err
+			}
+			rows = append(rows, entities.M_Role_Menu{
+				RoleID: roleUUID,
+				MenuID: menuUUID,
+			})
+		}
+		if len(rows) == 0 {
+			return dto.ErrMenuNotFound
+		}
+
+		res := tx.Clauses(clause.OnConflict{
+			Columns:   []clause.Column{{Name: "role_id"}, {Name: "menu_id"}},
+			DoNothing: true,
+		}).Create(&rows)
+		if res.Error != nil {
+			return res.Error
+		}
+
+		if res.RowsAffected == 0 {
+			return dto.ErrMenuAlreadyExists
+		}
+
 		return nil
 	})
 }