public async Task <string> ProcessPayment(PaymentRequest paymentRequest)
{
try
{
if (paymentRequest.Amount <= 20)
{
string response = await _cheapPayment.ProcessPayment(paymentRequest);
return(response);
}
if (paymentRequest.Amount >= 20 && paymentRequest.Amount <= 500)
{
if (await _expensiveRepo.CheckIfPaymentGetwayExist(paymentRequest))
{
string response = await _expensiveRepo.ProcessPayment(paymentRequest);
}
else
{
string response = await _cheapPayment.ProcessPayment(paymentRequest);
return(response);
}
}
bool result = false;
if (paymentRequest.Amount >= 500) // PremiumPaymentService
{
result = await _premiumRepo.ProcessPayment(paymentRequest);
if (!result)
{
for (int i = 1; i < 3; i++)
{
result = await _premiumRepo.ProcessPayment(paymentRequest);
if (result)
{
break;
}
}
}
}
if (result)
{
return("Success");
}
else
{
return("Faild");
}
}
catch (Exception)
{
return("Exception");
}
}
public string GetPaymentProcessingStatus(ProcessPaymentRequest processPaymentRequest, CacheDetails cacheDetails)
{
string result = "";
if (processPaymentRequest.Amount < 20)
{
result = _cheapPaymentGateway.ProcessPayment(cacheDetails.ExpensiveGatewayAvailability, cacheDetails.ProcessCount);
return(result);
}
else if (processPaymentRequest.Amount > 20 && processPaymentRequest.Amount < 500)
{
if (cacheDetails.ExpensiveGatewayAvailability) // if expensive payment gateway is available use it else switch to cheap gateway
{
result = _expensivePaymentGateway.ProcessPayment(cacheDetails.ExpensiveGatewayAvailability, cacheDetails.ProcessCount);
return(result);
}
else
{
result = _cheapPaymentGateway.ProcessPayment(cacheDetails.ExpensiveGatewayAvailability, cacheDetails.ProcessCount);
return(result);
}
}
int i = 0;
while (i < Constants.PremiumCount && result != Constants.Processed) //retry three times if transaction not successful
{
result = _premiumPaymentService.ProcessPayment(cacheDetails.ExpensiveGatewayAvailability, cacheDetails.ProcessCount);
}
return(result);
}
public IActionResult ProcessPayment(PaymentDto paymentDto)
{
int count = 0;
if (!ModelState.IsValid)
{
return(BadRequest());
}
if (paymentDto.Amount <= 20)
{
_cheapPaymentGateway.ProcessPayment(_mapper.Map <PaymentSo>(paymentDto));
}
else if (paymentDto.Amount > 20 && paymentDto.Amount < 501)
{
if (!_expensivePaymentGateway.isAvailable)
{
do
{
_cheapPaymentGateway.ProcessPayment(_mapper.Map <PaymentSo>(paymentDto));
count++;
} while (count < 1);
}
else
{
_expensivePaymentGateway.ProcessPayment(_mapper.Map <PaymentSo>(paymentDto));
}
}
else if (paymentDto.Amount > 500)
{
do
{
bool res = _premiumPaymentService.ProcessPayment(_mapper.Map <PaymentSo>(paymentDto));
if (!res)
{
count++;
}
else
{
break;
}
} while (count < 3);
}
return(Ok());
}
public bool ProcessPayment(PaymentRequest model)
{
bool paymentStatus = false;
if (model.Amount >= 0 && model.Amount <= 20)
{
paymentStatus = _cheapPaymentManager.ProcessPayment(model);
}
if (model.Amount >= 21 && model.Amount <= 500)
{
if (IsIExpensivePaymentGatewayAvailable())
{
paymentStatus = _expensivePaymentManager.ProcessPayment(model);
}
else
{
paymentStatus = _cheapPaymentManager.ProcessPayment(model);
}
}
if (model.Amount > 500)
{
int i = 0;
do
{
if (IsPaymentProcessed())
{
paymentStatus = _premiumPaymentManager.ProcessPayment(model);
break;
}
i++;
}while (i < 3);
}
return(paymentStatus);
}
public async Task <dynamic> ProcessPayment(RequestDto request)
{
if (request == null)
{
return(BadRequest(ModelState));
}
if (!ValidateCreditCard(request.CreditCardNumber))
{
ModelState.AddModelError("", "Credit Card Number is invalid!");
return(StatusCode(404, ModelState));
}
if (!ValidateExpirationDate(request.ExpirationDate))
{
ModelState.AddModelError("", "Card expired!");
return(StatusCode(404, ModelState));
}
if (request.SecurityCode.Length > 0 && !ValidateSecurityCode(request.SecurityCode))
{
ModelState.AddModelError("", "Security code is invalid!");
return(StatusCode(404, ModelState));
}
if (!ValidateAmount(request.Amount))
{
ModelState.AddModelError("", "Amount can't be negative!");
return(StatusCode(404, ModelState));
}
var requestObj = _mapper.Map <Request>(request);
var addRequest = _expensivePaymentGateway.AddRequest(requestObj);
dynamic process;
if (request.Amount <= 20)
{
process = await _cheapPaymentGateway.ProcessPayment(requestObj);
}
else if (request.Amount > 20 && request.Amount <= 500)
{
process = await _expensivePaymentGateway.ProcessPayment(requestObj);
}
else
{
process = await _premiumPaymentService.ProcessPayment(requestObj);
}
var state = new PaymentStateDto
{
RequestId = addRequest.Id,
Status = process
};
var stateObj = _mapper.Map <PaymentState>(state);
_expensivePaymentGateway.AddPaymentState(stateObj);
return(process);
}
public async Task <IActionResult> ProcessPayment([FromBody] PaymentDto paymentDto)
{
//return await NoContent();
paymentDto.CreditCardNumber = Regex.Replace(paymentDto.CreditCardNumber, @"[^\d]", "");
var validator = new PaymentValidator();
var validate = await validator.ValidateAsync(paymentDto);
if (!validate.IsValid)
{
var errors = validator.GetErrorList(validate.Errors);
return(BadRequest(new { message = "Bad request", errors }));
}
AppPayment payment;
try
{
payment = _mapper.Map <AppPayment>(paymentDto);
if (paymentDto.Amount < 20)
{
await _cheapPaymentGateway.ProcessPayment(payment);
}
else if (paymentDto.Amount >= 20 && paymentDto.Amount <= 500)
{
try
{
await _expensivePaymentGateway.ProcessPayment(payment);
}
catch (Exception)
{
await _cheapPaymentGateway.ProcessPayment(payment);
}
}
else
{
try
{
await _premiumPaymentService.ProcessPayment(payment);
}
catch (Exception)
{
int i = 1;
do
{
var response = await _cheapPaymentGateway.ProcessPayment(payment);
if (response)
{
break;
}
i++;
}while (i < 4);
}
}
}
catch (Exception e)
{
_logger.LogError(e.Message);
return(StatusCode(500, new { message = "Internal error", errors = "Data access processing error" }));
}
try
{
var result = await _unitOfWork.appPaymentStatusRepository.GetPaymentStatusById(payment.Id);
return(Ok(new { message = "Success", data = result }));
}
catch (Exception e)
{
_logger.LogError(e.Message);
return(StatusCode(500, new { message = "Internal error", errors = "Data access processing error" }));
}
}