FIX[BE}: add stock logs for transfer stock

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

@@ -266,6 +266,24 @@ func (s *transferService) CreateOne(c *fiber.Ctx, req *validation.TransferReques
 			}
 			s.Log.Infof("Source product warehouse updated: %+v", sourcePW.Id)
 
+			// create stock log for decrease (source)
+			beforeQty := sourcePW.Quantity + product.ProductQty // sourcePW already decreased
+			decreaseLog := &entity.StockLog{
+				TransactionType:    entity.TransactionTypeDecrease,
+				Quantity:           product.ProductQty,
+				BeforeQuantity:     beforeQty,
+				AfterQuantity:      sourcePW.Quantity,
+				LogType:            entity.LogTypeTransfer,
+				LogId:              uint(entityTransfer.Id),
+				Note:               "",
+				ProductWarehouseId: sourcePW.Id,
+				CreatedBy:          1,
+			}
+			if err := s.StockLogsRepository.WithTx(tx).CreateOne(c.Context(), decreaseLog, nil); err != nil {
+				s.Log.Errorf("Failed to create stock log decrease: %+v", err)
+				return err
+			}
+
 			// Tambah stok di gudang tujuan
 			destPW, err := s.ProductWarehouseRepo.GetProductWarehouseByProductAndWarehouseID(
 				c.Context(), uint(product.ProductID), uint(req.DestinationWarehouseID),
@@ -296,6 +314,24 @@ func (s *transferService) CreateOne(c *fiber.Ctx, req *validation.TransferReques
 			}
 			s.Log.Infof("Destination product warehouse updated: %+v", destPW.Id)
 
+			// create stock log for increase (destination)
+			beforeDestQty := destPW.Quantity - product.ProductQty
+			increaseLog := &entity.StockLog{
+				TransactionType:    entity.TransactionTypeIncrease,
+				Quantity:           product.ProductQty,
+				BeforeQuantity:     beforeDestQty,
+				AfterQuantity:      destPW.Quantity,
+				LogType:            entity.LogTypeTransfer,
+				LogId:              uint(entityTransfer.Id),
+				Note:               "",
+				ProductWarehouseId: destPW.Id,
+				CreatedBy:          1,
+			}
+			if err := s.StockLogsRepository.WithTx(tx).CreateOne(c.Context(), increaseLog, nil); err != nil {
+				s.Log.Errorf("Failed to create stock log increase: %+v", err)
+				return err
+			}
+
 		}
 
 		return nil