private ValidateDiscountCodeDTO CheckQuantityValidation(App.Support.Common.Models.PromotionService.DiscountValidations.DiscountValidation discountValidation, CartDTO cartDto, string productCatId)
{
switch (discountValidation.Operator)
{
case DiscountValidationOperator.MoreThan:
{
var productCatName = "";
var count = 0L;
foreach (var cartItem in cartDto.CartItems)
{
if (cartItem.Product.Category.Id != productCatId)
{
continue;
}
productCatName = cartItem.Product.Category.Name;
count += cartItem.Quantity;
}
if (count < int.Parse(discountValidation.Value))
{
return(new ValidateDiscountCodeDTO()
{
IsValid = false,
Message = $"Product quantity of category {productCatName} less than discount code condition (> {discountValidation.Value})"
});
}
break;
}
default:
throw new ArgumentOutOfRangeException();
}
return(null);
}
private string CheckProductCategoryValidation(App.Support.Common.Models.PromotionService.DiscountValidations.DiscountValidation discountValidation)
{
switch (discountValidation.Operator)
{
case DiscountValidationOperator.Is:
{
var productCatId = discountValidation.Value;
return(productCatId);
}
default:
throw new ArgumentOutOfRangeException();
}
}
private ValidateDiscountCodeDTO CheckBillDiscountValidation(App.Support.Common.Models.PromotionService.DiscountValidations.DiscountValidation discountValidation, CartDTO cartDto)
{
switch (discountValidation.Operator)
{
case DiscountValidationOperator.MoreThan:
{
if (cartDto.SubTotalAmount < decimal.Parse(discountValidation.Value))
{
return(new ValidateDiscountCodeDTO()
{
IsValid = false,
Message = "Subtotal amount less than discount code condition"
});
}
break;
}
default:
throw new ArgumentOutOfRangeException();
}
return(null);
}