public AcquirerResponseDTO ForwardPaymentRequestToAcquirer(AcquirerRequestDTO acquirerRequestDTO)
{
//Waiting for 1 second to mimic the wait which acquiring bank woul d actually take
Thread.Sleep(1000);
AcquirerResponseDTO acquirerResponseDTO = new AcquirerResponseDTO();
acquirerResponseDTO.Transaction_Reference_id = acquirerRequestDTO.Transaction_Reference_id;
acquirerResponseDTO.Payment_Reference_Id = Guid.NewGuid();
acquirerResponseDTO.Status = StatusCode.APPROVED;
acquirerResponseDTO.Processed_On = DateTime.UtcNow;
return(acquirerResponseDTO);
}
public async Task <PaymentResponseDTO> ProcessPaymentAsync(Guid transaction_reference, PaymentRequestDTO paymentRequest)
{
PaymentResponseDTO paymentResponseDTO = _mapper.Map <PaymentResponseDTO>(paymentRequest);
paymentResponseDTO.Transaction_Reference_Id = transaction_reference;
try
{
#region Save/Retrieve Card
Card card_to_use;
//An Existing/Previously used card was provided so, retrieve from db
if (paymentRequest.Card_Info.Id.HasValue && paymentRequest.Card_Info.Id != Guid.Empty)
{
card_to_use = await _cardService.RetrieveCardByIdAndCvvAsync(paymentRequest.Card_Info.Id.Value, paymentRequest.Card_Info.Cvv);
if (card_to_use == null)
{
paymentResponseDTO.Status = StatusCode.INVALID_DATA;
paymentResponseDTO.Errors = new List <string>()
{
"Could not retrieve card, Invalid card id or cvv was provided"
};
return(paymentResponseDTO);
}
}
//A new card was provided so save to database (Not validating if the card exisits as it could be that another merchant saved the same user's card)
else
{
card_to_use = await _cardService.SaveCardAsync(paymentRequest.Card_Info);
}
CardResponseDTO cardResponseDTO = new CardResponseDTO(card_to_use.Number);
cardResponseDTO.Id = card_to_use.Id;
cardResponseDTO.Expiry_Month = card_to_use.Expiry_Month;
cardResponseDTO.Expiry_Year = card_to_use.Expiry_Year;
paymentResponseDTO.Card_Info = cardResponseDTO;
#endregion
#region Acquirer request and response
//Call the Acquiring Bank Service, set the acquirer_reference_id
AcquirerRequestDTO acquirerRequestDTO = new AcquirerRequestDTO();
acquirerRequestDTO.Transaction_Reference_id = transaction_reference;
acquirerRequestDTO.Amount = paymentRequest.Amount;
acquirerRequestDTO.Currency = paymentRequest.Currency;
acquirerRequestDTO.card = card_to_use;
acquirerRequestDTO.Payment_Description = paymentRequest.Payment_Description;
AcquirerResponseDTO acquirerResponseDTO = _acquirerService.ForwardPaymentRequestToAcquirer(acquirerRequestDTO);
paymentResponseDTO.Acquirer_Reference_Id = acquirerResponseDTO.Payment_Reference_Id;
paymentResponseDTO.Status = acquirerResponseDTO.Status;
paymentResponseDTO.Processed_On = acquirerResponseDTO.Processed_On;
#endregion
//Save Payment Response
await SavePaymentResponseAsync(paymentResponseDTO, card_to_use);
return(paymentResponseDTO);
}
catch (Exception ex)
{
//Log the exception
paymentResponseDTO.Errors = new List <string>()
{
StringConstants.UNEXPECTED_ERROR_MESSAGE
};
paymentResponseDTO.Status = Domain.DTOs.StatusCode.UNKNOWN;
}
return(paymentResponseDTO);
}
