feat(BE-59,60,61): build stock transfer API with validation and audit log

internal/modules/inventory/transfers/dto/transfer.dto.go

@@ -29,9 +29,8 @@ type AreaDTO struct {
 }
 
 type LocationDTO struct {
-	Id   uint     `json:"id"`
-	Name string   `json:"name"`
-	Area *AreaDTO `json:"area"`
+	Id   uint   `json:"id"`
+	Name string `json:"name"`
 }
 
 type WarehouseDetailDTO struct {
@@ -119,11 +118,9 @@ func toLocationDTO(l *entity.Location) *LocationDTO {
 	if l == nil {
 		return nil
 	}
-	// Area selalu diisi jika l.Area ada
 	return &LocationDTO{
 		Id:   l.Id,
 		Name: l.Name,
-		Area: toAreaDTO(&l.Area),
 	}
 }
 
@@ -135,7 +132,7 @@ func toWarehouseDetailDTO(w *entity.Warehouse) *WarehouseDetailDTO {
 		Id:       w.Id,
 		Name:     w.Name,
 		Location: toLocationDTO(w.Location),
-		Area:     toAreaDTO(&w.Area),
+		Area:     toAreaDTO(&w.Area), // Ambil area langsung dari warehouse (area_id)
 	}
 }
 

internal/modules/inventory/transfers/services/transfer.service.go

@@ -91,16 +91,21 @@ func (s transferService) GetAll(c *fiber.Ctx, params *validation.Query) ([]entit
 func (s transferService) GetOne(c *fiber.Ctx, id uint) (*entity.StockTransfer, error) {
 	var transfer entity.StockTransfer
 
-	db := s.StockTransferRepo.DB().WithContext(c.Context())
-	db = s.withRelations(db)
-
-	if err := db.First(&transfer, id).Error; err != nil {
+	// gunakan repo secara langsung
+	transferPtr, err := s.StockTransferRepo.GetByID(c.Context(), id, func(db *gorm.DB) *gorm.DB {
+		return s.withRelations(db)
+	})
+	if err != nil {
 		if errors.Is(err, gorm.ErrRecordNotFound) {
 			return nil, fiber.NewError(fiber.StatusNotFound, "Transfer not found")
 		}
+		s.Log.Errorf("Failed to get transfer by ID: %+v", err)
 		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to get transfer")
 	}
-	return &transfer, nil
+
+	s.Log.Infof("Retrieved transfer: %+v", transfer)
+
+	return transferPtr, nil
 }
 
 func (s *transferService) CreateOne(c *fiber.Ctx, req *validation.TransferRequest) (*entity.StockTransfer, error) {