public async Task <ValidateDiscountCodeDTO> ValidateDiscountCode(App.Support.Common.Models.CartService.Cart cart,
string discountCode)
{
var promotionGrpcClient = _grpcClientFactory.CreatePromotionGrpcClient();
var rq = new ValidateDiscountCodeWithCartRequest()
{
DiscountCode = discountCode,
Cart = await GenerateCartDto(cart)
};
var response = await promotionGrpcClient.ValidateDiscountCodeAsync(rq);
return(response.ValidateDiscountCode);
}
public override async Task <ReturnValidateDiscountCode> ValidateDiscountCode(ValidateDiscountCodeWithCartRequest request, ServerCallContext context)
{
var returnValidateDiscountCode = new ReturnValidateDiscountCode()
{
Status = GrpcStatus.Success
};
var validateDiscountCodeDto = new ValidateDiscountCodeDTO()
{
IsValid = true,
Message = "Discount code is valid to use"
};
var discountCode = request.DiscountCode;
var discountCodeObj = await _discountCodeRepository.GetDiscountCodeByCode(discountCode);
if (discountCodeObj == null)
{
validateDiscountCodeDto = new ValidateDiscountCodeDTO()
{
IsValid = false,
Message = "Error: Discount code is invalid to use"
};
returnValidateDiscountCode.ValidateDiscountCode = validateDiscountCodeDto;
return(returnValidateDiscountCode);
}
var discountCampaignId = discountCodeObj.DiscountCampaignId;
var discountCampaignObj = await _discountCampaignRepository.GetById(discountCampaignId);
var cartDto = request.Cart;
// Check redemptionCount
var redemptionsCount = discountCodeObj.Redemptions?.Count ?? 0;
if (discountCodeObj.MaxRedeem == redemptionsCount)
{
validateDiscountCodeDto = new ValidateDiscountCodeDTO()
{
IsValid = false,
Message = "This code already excess max redemption"
};
}
// Check expirationDate
if (discountCampaignObj.ExpirationDate < DateTime.Now)
{
validateDiscountCodeDto = new ValidateDiscountCodeDTO()
{
IsValid = false,
Message = "This code already expired"
};
}
// Check startDate
if (discountCampaignObj.StartDate > DateTime.Now)
{
validateDiscountCodeDto = new ValidateDiscountCodeDTO()
{
IsValid = false,
Message = "This campaign not yet start"
};
}
// Check discountValidations
var discountValidations = discountCampaignObj.GetSortedDiscountValidations();
var productCatId = "";
foreach (var discountValidation in discountValidations)
{
switch (discountValidation.ValueType)
{
case DiscountValidationValueType.Bill:
{
var checkBillDiscountValidation = CheckBillDiscountValidation(discountValidation, cartDto);
if (checkBillDiscountValidation != null)
{
validateDiscountCodeDto = checkBillDiscountValidation;
}
break;
}
case DiscountValidationValueType.ProductCat:
{
productCatId = CheckProductCategoryValidation(discountValidation);
break;
}
case DiscountValidationValueType.Quantity:
{
var checkQuantityValidation = CheckQuantityValidation(discountValidation, cartDto, productCatId);
if (checkQuantityValidation != null)
{
validateDiscountCodeDto = checkQuantityValidation;
}
break;
}
case DiscountValidationValueType.SpendingAmount:
{
var checkSpendingAmountValidation = CheckSpendingAmountValidation(discountValidation, cartDto, productCatId);
if (checkSpendingAmountValidation != null)
{
validateDiscountCodeDto = checkSpendingAmountValidation;
}
break;
}
default:
throw new ArgumentOutOfRangeException();
}
}
// Return
returnValidateDiscountCode.ValidateDiscountCode = validateDiscountCodeDto;
return(returnValidateDiscountCode);
}
