public async Task <PaymentChangeStatusResponse> UpdatePaymentStatusAsync(PaymentChangeStatusRequest request)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
var payment = _paymentRepository.GetAll().FirstOrDefault(p => p.Id == request.Id);
if (payment == null)
{
throw new InvalidOperationException(nameof(payment));
}
var validationResult = _paymentValidator.Validate(payment, request);
if (validationResult.Result != PaymentChangeStatusResult.Ok)
{
return(validationResult);
}
payment.Status = request.Status;
payment.StatusDescription = Enum.GetName(typeof(PaymentStatus), request.Status);
payment.Reason = request.Reason;
_paymentRepository.Update(payment);
await _unitOfWork.CommitAsync();
return(validationResult);
}
public bool ProcessPayment(PaymentDTO paymentDTO)
{
bool result = false;
if (PaymentValidatorComponent.Validate(paymentDTO))
{
PaymentEO paymentEO = GetPaymentEO(paymentDTO);
UpdateStatus(paymentEO, PaymentStatus.Pending);
try
{
result = ProcessPaymentWithGateway(paymentDTO);
if (result)
{
UpdateStatus(paymentEO, PaymentStatus.Processed);
}
else
{
UpdateStatus(paymentEO, PaymentStatus.Failed);
}
}
catch (Exception exe)
{
AddError(PaymentErrorCode.Internal_Error, exe.Message);
}
}
return(result);
}
public void AndAValidPaymentRequestIsSupplied_ReturnsTrue()
{
//Arrange
var payment = CreateValidPayment();
//Act
var result = _validator.Validate(payment);
//Assert
result.IsValid.Should().Be(true);
}
public async Task <ClientResponse <PaymentResult> > ProcessPaymentAsync(PaymentRequest paymentRequest)
{
if (paymentRequest == null)
{
throw new ArgumentNullException(nameof(paymentRequest));
}
var validationResult = _paymentValidator.Validate(paymentRequest);
if (!validationResult.IsValid)
{
return(ClientResponse <PaymentResult> .FromError(validationResult.ToString(), new PaymentResult(paymentRequest.PaymentRequestId)));
}
var payment = paymentRequest.ToPayment();
try
{
await UpdatePaymentAsync(payment);
var bankPaymentResult = await _bankPaymentClient.ProcessPaymentAsync(paymentRequest);
payment.PaymentStatus = bankPaymentResult.Status ? PaymentStatus.Succeed : PaymentStatus.Declined;
payment.PaymentReferenceId = bankPaymentResult.PaymentReferenceId;
await UpdatePaymentAsync(payment);
var paymentResult = new PaymentResult(payment.PaymentRequestId, payment.PaymentReferenceId);
return(bankPaymentResult.Status
? ClientResponse <PaymentResult> .FromPayload(paymentResult)
: ClientResponse <PaymentResult> .FromError("Payment was unsuccessful.The bank returns unsuccessful response.", paymentResult));
}
catch (PaymentStoreException e)
{
_logger.LogError("Error in saving payment", e);
// TODO: Can be handled in different strategies. E.g Revert the payment with bank or retry saving.
return(ClientResponse <PaymentResult> .FromError("Payment was unsuccessful.", new PaymentResult(payment.PaymentRequestId, payment.PaymentReferenceId)));
}
catch (Exception e)
{
_logger.LogError("Error in process payment", e);
return(ClientResponse <PaymentResult> .FromError("Payment was unsuccessful.", new PaymentResult(payment.PaymentRequestId)));
}
}
