public async Task UpdateDiscount(ProductDiscountUpdateViewModel vm)
        {
            var model = await GetByIdAsync(vm.Id);

            Mapper.Map(vm, model);

            await DbContext.SaveChangesAsync();
        }
        public async Task <IActionResult> ProductDiscountUpdate(ProductDiscountUpdateViewModel vm, decimal PriceDiscount, decimal PercentDicount)
        {
            if (vm.StartDate >= vm.EndDate)
            {
                TempData.AddResult(SweetAlertExtenstion.Error("تاریخ شروع تخفیف نمی تواند از تاریخ پایان آن کوچکتر باشد"));
                return(RedirectToAction("Index", "ManageProduct", new { area = "Product" }));
            }

            vm.Discount = vm.DiscountType == DataLayer.SSOT.ProductDiscountSSOT.Percent ? PercentDicount : PriceDiscount;

            await _productDiscountRepository.UpdateDiscount(vm);

            TempData.AddResult(SweetAlertExtenstion.Ok());


            return(Redirect("/Product/ManageProduct/Index"));
        }