public IActionResult GetProductDetail(int id)
 {
     if (id > 0)
     {
         var productIsValid   = _productService.GetById(id);
         var productImages    = _productImageService.GetListProductId(id);
         var productViewModel = new ProductViewModel
         {
             Product       = productIsValid,
             ProductImages = productImages,
             Categories    = LoadCategories()
         };
         return(View(productViewModel));
     }
     return(RedirectToAction("GetProducts"));
 }