fix edit receipt purchase

internal/modules/purchases/services/purchase.service.go

@@ -949,6 +949,7 @@ func (s *purchaseService) ReceiveProducts(c *fiber.Ctx, id uint, req *validation
 		supplierID        uint
 		transportPerItem  *float64
 		vehicleNumber     *string
+		clearVehicle      bool
 		overrideWarehouse bool
 		receivedQty       float64
 	}
@@ -1041,12 +1042,16 @@ func (s *purchaseService) ReceiveProducts(c *fiber.Ctx, id uint, req *validation
 		}
 
 		var vehicleNumber *string
-		if payload.VehicleNumber != nil && strings.TrimSpace(*payload.VehicleNumber) != "" {
+		clearVehicle := false
+		if payload.VehicleNumber != nil {
 			val := strings.TrimSpace(*payload.VehicleNumber)
-			vehicleNumber = &val
-		} else if item.VehicleNumber != nil && strings.TrimSpace(*item.VehicleNumber) != "" {
-			val := strings.TrimSpace(*item.VehicleNumber)
-			vehicleNumber = &val
+			if val != "" {
+				vehicleNumber = &val
+			} else {
+				clearVehicle = true
+			}
+		} else {
+			clearVehicle = true
 		}
 
 		prepared = append(prepared, preparedReceiving{
@@ -1057,6 +1062,7 @@ func (s *purchaseService) ReceiveProducts(c *fiber.Ctx, id uint, req *validation
 			supplierID:        supplierID,
 			transportPerItem:  transportPerItem,
 			vehicleNumber:     vehicleNumber,
+			clearVehicle:      clearVehicle,
 			overrideWarehouse: overrideWarehouse,
 			receivedQty:       receivedQty,
 		})
@@ -1170,7 +1176,8 @@ func (s *purchaseService) ReceiveProducts(c *fiber.Ctx, id uint, req *validation
 				ReceivedDate:          &dateCopy,
 				TravelNumber:          prep.payload.TravelNumber,
 				TravelDocumentPath:    prep.payload.TravelDocumentPath,
-				VehicleNumber:         prep.payload.VehicleNumber,
+				VehicleNumber:         prep.vehicleNumber,
+				ClearVehicleNumber:    prep.clearVehicle,
 				ReceivedQty:           &qtyCopy,
 				ProductWarehouseID:    newPWID,
 				ClearProductWarehouse: false,