public async Task <ActionResult> CreatePromotionDiscountItem(AddPromotionDiscountItemViewModel request)
        {
            if (!ModelState.IsValid)
            {
                Alert($"Invalid Request.", NotificationType.error, Int32.Parse(_appConfig.Value.NotificationDisplayTime));
                return(RedirectToAction(nameof(PromotionDiscountItems), new { id = request.PromotionDiscountId }));
            }
            try
            {
                var addPromotionDiscountRequest = new AddPromotionDiscountItemRequest {
                    PromotionDiscountId = request.PromotionDiscountId, DiscountRate = request.DiscountRate, FreeOfChargeQuantity = request.FreeOfChargeQuantity, ParentProductQuantity = request.ParentProductQuantity, EffectiveDate = request.EffectiveDate, EndDate = request.EndDate
                };
                var result = await _promotionDiscountItemService.Create(addPromotionDiscountRequest);

                if (!result.Success)
                {
                    Alert($"{result.Message}", NotificationType.info, Int32.Parse(_appConfig.Value.NotificationDisplayTime));
                    return(RedirectToAction(nameof(PromotionDiscountItems), new { id = request.PromotionDiscountId }));
                }
                Alert($"Discount Item Created Successfully", NotificationType.success, Int32.Parse(_appConfig.Value.NotificationDisplayTime));
                return(RedirectToAction(nameof(PromotionDiscountItems), new { id = request.PromotionDiscountId }));
            }
            catch (Exception ex)
            {
                Alert($"Error! {ex.Message}.", NotificationType.error, Int32.Parse(_appConfig.Value.NotificationDisplayTime));
                return(RedirectToAction(nameof(PromotionDiscountItems), new { id = request.PromotionDiscountId }));
            }
        }
        public ActionResult CreateSaleValueDiscountItem(Guid promotionDiscountId, string promotionDiscountName)
        {
            var promotionDiscount = new AddPromotionDiscountItemViewModel {
                PromotionDiscountId = promotionDiscountId
            };

            ViewBag.PromotionDiscountName = promotionDiscountName;
            return(View(promotionDiscount));
        }