// this can be done in the serialization layer, todo: find where
private string HideCreditCardNumber(string creditCardNumber)
{
try {
var lastIndex = creditCardNumber.LastIndexOf("-");
var lenght = creditCardNumber.Length;
return(string.Join("XXXX-XXXX-XXXX-", creditCardNumber.Substring(lastIndex, lenght - lastIndex)));
} catch (System.Exception e) {
var exceptionMetric = new ExceptionMetric {
origin = nameof(PaymentService),
exception = new WrongCardNumberStoredException("The card number stored has not the correct format to be hidden, returning empty instead"),
time = new DateTimeOffset().Date,
stack = e.StackTrace
};
_logger.Log <ExceptionMetric>(LogLevel.Error, new EventId {
}, exceptionMetric, e);
return("");
}
}
public PaymentResponse Create(CreatePaymentDto createPaymentDto)
{
var bankResponse = new BankResponse {
id = "",
successful = false,
statusCode = 0,
message = "this request never made it to the bank",
};
var paymentModel = new PaymentModel {
Issuer = createPaymentDto.Issuer,
CardHolder = createPaymentDto.CardHolder,
Value = createPaymentDto.Value,
Currency = createPaymentDto.Currency,
CardNumber = createPaymentDto.CardNumber,
ExpiryMonth = createPaymentDto.ExpiryMonth,
ExpiryYear = createPaymentDto.ExpiryYear,
CCV = createPaymentDto.CCV,
transactionDate = System.DateTimeOffset.Now.UtcDateTime,
response = bankResponse
};
var bankRequest = new BankRequest {
Issuer = createPaymentDto.Issuer,
CardHolder = createPaymentDto.CardHolder,
Value = createPaymentDto.Value,
Currency = createPaymentDto.Currency,
CardNumber = createPaymentDto.CardNumber,
ExpiryMonth = createPaymentDto.ExpiryMonth,
ExpiryYear = createPaymentDto.ExpiryYear,
CCV = createPaymentDto.CCV,
};
_paymentModelCollection.InsertOne(paymentModel);
try {
bankResponse = _acquiringBank.processPayment(bankRequest);
paymentModel.response = bankResponse;
this.Update(paymentModel.Id, paymentModel);
} catch (System.Exception ex) {
var exceptionMetric = new ExceptionMetric {
origin = nameof(PaymentService),
exception = new AcquiringBankNotAvailable(ex.Message),
time = new DateTimeOffset().Date,
stack = ex.StackTrace
};
_logger.Log <ExceptionMetric>(LogLevel.Error, new EventId {
}, exceptionMetric, ex);
}
paymentModel.CardNumber = this.HideCreditCardNumber(paymentModel.CardNumber);
paymentModel.CCV = this.HideCCV();
return(new PaymentResponse {
paymentRequest = paymentModel,
paymentResponse = bankResponse,
});
}