public Task <PaymentTransaction> GetPaymentTransaction(MakeAPaymentRequest request)
{
return(Task.FromResult(
_paymentTransactions
.SingleOrDefault(x => x.TransactionDate == request.TransactionDate &&
x.MerchantId == request.MerchantId &&
x.TerminalId == request.TerminalId &&
x.PaymentReference == request.PaymentReference &&
x.PaymentAmount == request.PaymentAmount &&
x.IsoCurrencyCode == request.IsoCurrencyCode &&
x.Card.CardNumber == request.Card.CardNumber
)));
}
public static PaymentTransaction ToPaymentTransaction(this MakeAPaymentRequest request, IBankTransactionResponse responseFromBank)
{
return(new PaymentTransaction
{
TransactionId = request.TransactionId,
MerchantId = request.MerchantId,
TerminalId = request.TerminalId,
BankTransactionId = responseFromBank.TransactionId,
PaymentStatus = responseFromBank.PaymentStatus,
PaymentAmount = request.PaymentAmount,
PaymentReference = request.PaymentReference,
IsoCurrencyCode = request.IsoCurrencyCode,
TransactionSucessful = responseFromBank.TransactionSucessful,
BankTransactionMessage = responseFromBank.Message,
TransactionDate = request.TransactionDate,
Card = request.Card
});
}
public async Task <IBankTransactionResponse> PayAsync(MakeAPaymentRequest request)
{
var fakeBankTransactionId = Guid.NewGuid();
if (request.PaymentAmount > 200)
{
_logger.Warning("Payment request to the bank failed");
return(await Task.FromResult(new FailedBankPaymentResponse
{
TransactionId = fakeBankTransactionId,
PaymentStatus = PaymentStatus.NotEnoughFunds,
Message = "Not enough funds to make the payment"
}));
}
return(await Task.FromResult(new SuccessfulBankPaymentResponse
{
TransactionId = fakeBankTransactionId
}));
}