public async Task <BankResponse> ExecuteAsync(BankCardRequest bankCardRequest)
{
var response = new BankResponse()
{
Id = Guid.NewGuid().ToString()
};
switch (bankCardRequest.Amount)
{
case 100:
response.Status = BankResponseStatus.Failed;
response.Details = "invalid amount";
break;
case 200:
response.Status = BankResponseStatus.Failed;
response.Details = "insufficient funds";
break;
case 300:
response.Status = BankResponseStatus.Failed;
response.Details = "card blocked";
break;
default:
response.Status = BankResponseStatus.Success;
response.Details = "authorised";
break;
}
return(await Task.Run(() => response));
}
/// <summary>
/// Processes a card payment
/// </summary>
/// <param name="cardPaymentRequest">payment request from merchant</param>
/// <param name="merchant">Merchant details</param>
/// <returns></returns>
public async Task <CardPaymentResponse> ProcessAsync(CardPaymentRequest cardPaymentRequest, Merchant merchant)
{
var cardPaymentContext = _modelConverter.CreateCardPaymentContext(cardPaymentRequest, merchant);
_logger.LogInformation($"Initiating transaction for {cardPaymentContext.MerchantId} {cardPaymentContext.MerchantReference}");
//Generate transaction with unique id in pending state
var transaction = await _transactionService.InitialiseTransactionAsync(cardPaymentContext);
_logger.LogInformation($"Transaction {transaction.TransactionId} created for {cardPaymentContext.MerchantId} {cardPaymentContext.MerchantReference}");
var bankCardRequest = new BankCardRequest()
{
CardDetail = cardPaymentContext.CardDetail,
Amount = cardPaymentContext.Amount,
Cvv = cardPaymentRequest.Cvv,
Reference = cardPaymentContext.MerchantReference,
GatewayId = transaction.TransactionId
};
// go to bank and get the response
var response = await _bankService.ExecuteAsync(bankCardRequest);
_logger.LogInformation($"Bank response for TId={transaction.TransactionId} Bank [{response.Id} {response.Status}]");
// Update the transaction with bank response
var finalTransaction = await _transactionService.UpdateTransactionAsync(transaction.TransactionId, response);
_logger.LogInformation($"TId={transaction.TransactionId} updated with bank response [{response.Id} {response.Status}]");
return(_modelConverter.MapToCardPaymentResponse(finalTransaction));
}
public ActionResult ProcessPayment([FromBody] BankCardRequest request)
{
return(Ok(new BankResponse()
{
PaymentResponseId = Guid.NewGuid(),
Message = "SUCCESS"
}));
}
