fix(BE): improve product and warehouse existence check in adjustment service

internal/modules/inventory/adjustments/services/adjustment.service.go

@@ -83,7 +83,7 @@ func (s *adjustmentService) Adjustment(c *fiber.Ctx, req *validation.Create) (*e
 		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to validate product")
 	}
 	if !isProductExist {
-		return nil, fiber.NewError(fiber.StatusBadRequest, "Product not found")
+		return nil, fiber.NewError(fiber.StatusNotFound, "Product not found")
 	}
 
 	isWarehouseExist, err := s.WarehouseRepo.IdExists(c.Context(), uint(req.WarehouseID))
@@ -92,7 +92,7 @@ func (s *adjustmentService) Adjustment(c *fiber.Ctx, req *validation.Create) (*e
 		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to validate warehouse")
 	}
 	if !isWarehouseExist {
-		return nil, fiber.NewError(fiber.StatusBadRequest, "Warehouse not found")
+		return nil, fiber.NewError(fiber.StatusNotFound, "Warehouse not found")
 	}
 
 	if req.Quantity <= 0 {
@@ -187,6 +187,24 @@ func (s *adjustmentService) AdjustmentHistory(c *fiber.Ctx, query *validation.Qu
 
 	offset := (query.Page - 1) * query.Limit
 
+	isWarehousesExist, err := s.WarehouseRepo.IdExists(c.Context(), uint(query.WarehouseID))
+	if err != nil {
+		s.Log.Errorf("Failed to check warehouse existence: %+v", err)
+		return nil, 0, fiber.NewError(fiber.StatusInternalServerError, "Failed to validate warehouse")
+	}
+	if query.WarehouseID > 0 && !isWarehousesExist {
+		return nil, 0, fiber.NewError(fiber.StatusNotFound, "Warehouse not found")
+	}
+
+	isProductsExist, err := s.ProductRepo.IdExists(c.Context(), uint(query.ProductID))
+	if err != nil {
+		s.Log.Errorf("Failed to check product existence: %+v", err)
+		return nil, 0, fiber.NewError(fiber.StatusInternalServerError, "Failed to validate product")
+	}
+	if query.ProductID > 0 && !isProductsExist {
+		return nil, 0, fiber.NewError(fiber.StatusNotFound, "Product not found")
+	}
+
 	stockLogs, total, err := s.StockLogsRepository.GetAll(c.Context(), offset, query.Limit, func(db *gorm.DB) *gorm.DB {
 
 		db = s.withRelations(db)

internal/modules/inventory/product-warehouses/services/product_warehouse.service.go

@@ -72,6 +72,11 @@ func (s productWarehouseService) GetAll(c *fiber.Ctx, params *validation.Query)
 		s.Log.Errorf("Failed to get productWarehouses: %+v", err)
 		return nil, 0, err
 	}
+
+	if len(productWarehouses) == 0 {
+		return nil, 0, fiber.NewError(fiber.StatusNotFound, "ProductWarehouses not found")
+	}
+
 	return productWarehouses, total, nil
 }