public ResultModel <string> ProcessPayment(ProcessPaymentViewModel model)
{
var resultModel = new ResultModel <string>();
var paymentStatusModel = new PaymentStateViewModel
{
PaymentStateEnum = Models.Enum.PaymentStateEnum.Pending,
};
model.PaymentStateViewModel = paymentStatusModel;
try
{
resultModel = SelectPaymentProcessor(model);
var response = (ProcessPayment)model;
response.PaymentState = (PaymentState)model.PaymentStateViewModel;
response.PaymentState.Status = response.PaymentState.PaymentStateEnum.GetDescription();
if (!resultModel.ErrorMessages.Any())
{
_paymentStateRepo.Insert(response.PaymentState);
_processPaymentRepo.Insert(response);
}
_unitOfWork.SaveChanges();
}
catch (Exception ex)
{
resultModel.AddError(ex.Message);
return(resultModel);
}
return(resultModel);
}
public async Task <PaymentStateViewModel> Pay(PaymentViewModel model)
{
var payment = new Payment()
{
Amount = model.Amount,
CardHolder = model.CardHolder,
CreditCardNumber = model.CreditCardNumber,
ExpirationDate = model.ExpirationDate,
Id = new Guid(),
SecurityCode = model.SecurityCode
};
var state = new PaymentState()
{
Payment = payment,
PaymentId = payment.Id,
CreatedDate = DateTime.Now,
State = PaymentStateEnum.Pending
};
db.Payments.Add(payment);
db.PaymentStates.Add(state);
await db.SaveChangesAsync();
if (model.Amount <= 20)
{
var paymentState = ProcessPayment(_cheapPaymentGateway, payment);
return(paymentState);
}
else if (model.Amount > 20 && model.Amount <= 500)
{
var paymentState = new PaymentStateViewModel();
paymentState = ProcessPayment(_expensivePaymentGateway, payment);
if (paymentState != null && paymentState.State == PaymentStateEnum.Processed)
{
return(paymentState);
}
else
{
paymentState = ProcessPayment(_cheapPaymentGateway, payment);
}
return(paymentState);
}
throw new Exception("Payment Could Not Be Processed");
}
public PaymentStateViewModel ProcessPayment()
{
Random random = new Random();
int num = random.Next(1, 100);
if (num % 2 == 0)
{
PaymentStateViewModel returnModel = new PaymentStateViewModel
{
CreatedDate = DateTime.Now,
State = Entities.PaymentStateEnum.Processed
};
return(returnModel);
}
else
{
PaymentStateViewModel returnModel = new PaymentStateViewModel
{
CreatedDate = DateTime.Now,
State = Entities.PaymentStateEnum.Failed
};
return(returnModel);
}
}
