public async Task <PaymentResponseModel> ProcessAsync(PaymentRequestModel request, MerchantModel merchant)
{
_paymentRequestModelValidator.ValidateAndThrow(request);
_merchantModelValidator.ValidateAndThrow(merchant);
var merchantAcquirer = await _merchantAcquirerRepository.GetByMerchantIdAsync(merchant.Id);
if (merchantAcquirer == null)
{
throw new GatewayException($"No acquirer setup for merchant '{ merchant.Name }'.");
}
// Get the appropriate processor from the AcquirerName.
var enumAsString = (ProcessorList)Enum.Parse(typeof(ProcessorList), merchantAcquirer.AcquirerName);
_processor = _processors[enumAsString];
// Create and insert payment details
var payment = BuildPaymentEntity(request, merchantAcquirer);
await _paymentRepository.InsertAsync(payment);
// Create processor request
var processorRequest = new ProcessorRequest
{
PaymentId = payment.PaymentId.ToString(),
PaymentDetails = _mapper.Map <PaymentDetails>(request),
AcquirerDetails = _mapper.Map <AcquirerDetails>(merchantAcquirer)
};
var processorResponse = await _processor.ProcessPaymentAsync(processorRequest);
var responseCodeMapping = await _acquirerResponseCodeMappingRepository.GetByAcquirerResponseCodeAsync(processorResponse.AcquirerResponseCode);
var response = _mapper.Map <PaymentResponseModel>(processorResponse);
response.TrackId = request.TrackId;
response.ResponseCode = responseCodeMapping?.GatewayResponseCode ?? Constants.FailResponseCode;
response.Status = response.ResponseCode.Equals(Constants.SuccessResponseCode) ? Constants.SuccessStatus : Constants.FailStatus;
response.Card.Number = MaskHelper.MaskCardNumber(response.Card.Number);
// Map response details to the payment and update data store
_mapper.Map(response, payment);
await _paymentRepository.UpdateAsync(payment);
return(response);
}
public async Task <PaymentResponseModel> GetByIdAsync(Guid paymentId, MerchantModel merchant)
{
Guard.IsNotNull(paymentId, nameof(paymentId));
_merchantModelValidator.ValidateAndThrow(merchant);
var payment = await _paymentRepository.GetByIdAsync(paymentId);
if (payment == null)
{
throw new ObjectNotFoundException($"No payment with id '{ paymentId } was found.'");
}
// This check should normally return a Not Found exception for security purposes. Unauthorized used for testing purposes only.
if (payment.MerchantId != merchant.Id)
{
throw new UnauthorizedException($"Merchant is not authorised to retrieve this payment.");
}
var response = _mapper.Map <PaymentResponseModel>(payment);
response.Card.Number = MaskHelper.MaskCardNumber(_cryptor.Decrypt(response.Card.Number));
return(response);
}
