public async Task <PaymentResponse> ChoosePaymentHandler(Payment_Dto payment_dto)
{
var pendingState = await GetPaymentStatusByStatus((int)PaymentStatusEnum.PENDING);
if (pendingState is null)
{
throw new NullReferenceException(nameof(pendingState));
}
payment_dto.Status = pendingState.Id;
Payment PaymentModel = _mapper.Map <Payment_Dto, Payment>(payment_dto);
switch (payment_dto.amount)
{
case decimal amount when payment_dto.amount <= 20:
_logger.LogInformation("Using ICheapPaymentGateway for processing payment");
return(await ICheapPaymentGateway(PaymentModel, 0));
case decimal amount when payment_dto.amount > 20 && payment_dto.amount < 500:
_logger.LogInformation("Using IExpensivePaymentGateway for processing payment");
return(await IExpensivePaymentGateway(PaymentModel, false, 0));
default:
_logger.LogInformation("Using PremiumPaymentService for processing payment");
return(await IExpensivePaymentGateway(PaymentModel, true, 0));
}
}