public void Validation_Should_Fail_For_A_Null_Or_Empty_Card_Number(string cardNumber)
{
//Arrange
var cardDetails = new CardDetails
{
CardNumber = cardNumber
};
//Act
var result = _cardService.Validate(cardDetails);
//Assert
Assert.False(result);
}
public async Task <Guid> Handle(ExecutePayment command, CancellationToken cancellationToken)
{
var transactionId = Guid.NewGuid();
try
{
if (!_cardsService.Validate(command.CardDetails))
{
var statusCode = HttpStatusCode.NotAcceptable.ToString();
var description = "Invalid card";
await _mediator.Publish(new PaymentExecuted(
transactionId : transactionId,
merchantId : command.MerchantId,
amount : command.Amount,
cardHolderName : command.CardDetails.CardHolderName,
encrypetdCardNumber : _cardsService.Encrypt(command.CardDetails?.CardNumber),
statusCode : statusCode,
description : description,
successful : false
));
return(transactionId);
}
var transactionAuthResponse = await _bankAuthProvider.VerifyAsync(new TransactionAuthRequest(
cardDetails : command.CardDetails,
amount : command.Amount));
transactionId = transactionAuthResponse.TransactionId;
_mediator.Publish(new PaymentExecuted(
transactionId: transactionAuthResponse.TransactionId,
merchantId: command.MerchantId,
amount: command.Amount,
cardHolderName: command.CardDetails.CardHolderName,
encrypetdCardNumber: _cardsService.Encrypt(command.CardDetails.CardNumber),
statusCode: transactionAuthResponse.Code,
description: transactionAuthResponse.Description,
successful: transactionAuthResponse.Verified
));
}
catch (Exception ex)
{
_logger.LogError(
ex,
"Unhandled Exception for Command {Name} {@Command}",
nameof(ExecutePayment),
command);
var statusCode = HttpStatusCode.ServiceUnavailable.ToString();
var description = "Something went wrong. Please try again later.";
await _mediator.Publish(new PaymentExecuted(
transactionId : transactionId,
merchantId : command.MerchantId,
amount : command.Amount,
cardHolderName : command.CardDetails.CardHolderName,
encrypetdCardNumber : _cardsService.Encrypt(command.CardDetails?.CardNumber),
statusCode : statusCode,
description : description,
successful : false
));
}
return(transactionId);
}