adjustment create project flock must have a relation for location,area and kandang

internal/modules/production/project_flocks/services/projectflock.service.go

@@ -245,6 +245,16 @@ func (s *projectflockService) CreateOne(c *fiber.Ctx, req *validation.Create) (*
 		return nil, err
 	}
 
+	var location entity.Location
+	if err := s.Repository.DB().WithContext(c.Context()).
+		Where("id = ? AND area_id = ?", req.LocationId, req.AreaId).
+		First(&location).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, fiber.NewError(fiber.StatusBadRequest, "Lokasi tidak berada pada area yang diminta")
+		}
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Gagal memvalidasi relasi area-lokasi")
+	}
+
 	canonicalBase := baseName
 	if s.FlockRepo != nil {
 		baseFlock, err := s.ensureFlockByName(c.Context(), actorID, baseName)