public async Task <List <TransactionAPIModel> > GetTransactions(Guid merchantId)
{
List <Transaction> transactions = new List <Transaction>();
using (CheckOutPaymentGatewayEntities db = new CheckOutPaymentGatewayEntities())
{
transactions = await db.Transactions.Where(x => x.MerchantId == merchantId).ToListAsync();
}
return(transactions.Select(x => new TransactionAPIModel
{
Amount = x.Amount,
CardExpiryDate = x.CardExpiryDate,
MaskedCardNumber = PrepareMask(EncryDecryMechanism.DecryptData(x.CardNumber, secretKey)),
CardCurrency = x.CardCurrency,
TransactionStatus = x.TransactionStatus,
TransactionDateTime = x.TransactionDateTime
}).ToList());
}
public async Task <ResponseAPIModel> ProcessPayment(ProcessPaymentAPIModel paymentModel)
{
//Serilog implementation
Log.Logger = new LoggerConfiguration()
.WriteTo.Console()
.WriteTo.Seq("http://localhost:5341")
.CreateLogger();
logger.Info("Starting Process Payment...");
Log.Information("Starting Process Payment...");
logger.Info("Validating process payment model");
Log.Information("Validating process payment model");
if (paymentModel != null && validator.ValidatePaymentModel(paymentModel, logger))
{
logger.Info("Valid payment model");
Log.Information("Valid payment model");
ProcessPaymentModel processModel = BuildPaymentModel(paymentModel);
//contact and expose data to external bank api
ExternalBankExpo contactExternalBank = new ExternalBankExpo();
logger.Info("Contacting external bank endpoints");
Log.Information("Contacting external bank endpoints");
try
{
var response = contactExternalBank.ProcessPayment(processModel);
if (response != null && response.ResponseStatus == States.Success.ToString())
{
logger.Info("Success in contacting external bank endpoints");
Log.Information("Success in contacting external bank endpoints");
//build transaction model and save data to db
Transaction transaction = BuildTransactionModel(processModel, response);
logger.Info("Attempting to save transaction");
Log.Information("Attempting to save transaction");
try
{
using (CheckOutPaymentGatewayEntities db = new CheckOutPaymentGatewayEntities())
{
db.Transactions.Add(transaction);
await db.SaveChangesAsync();
}
if (transaction.TransactionStatus == States.Success.ToString())
{
logger.Info("Transaction saved successfully");
}
else
{
logger.Error("Transaction failed");
}
return(transaction.TransactionStatus == States.Success.ToString() ? new ResponseAPIModel(States.Success)
: new ResponseAPIModel(States.Error, "Cannot execute transaction"));
}
catch (Exception ee)
{
logger.Error("Failed to contact perform transaction - " + ee.ToString());
Log.Information("Failed to contact perform transaction - " + ee.ToString());
}
}
else
{
logger.Error("Failed to contact external bank endpoints");
Log.Information("Failed to contact external bank endpoints");
return(new ResponseAPIModel(States.Error, "Cannot contact and process payment to external bank"));
}
}
catch (Exception e)
{
logger.Error("Failed to contact external bank endpoints - " + e.ToString());
Log.Information("Failed to contact external bank endpoints - " + e.ToString());
return(new ResponseAPIModel(States.Error, "Cannot contact and process payment to external bank"));
}
}
logger.Error("Invalid payment model");
Log.CloseAndFlush();
return(new ResponseAPIModel(States.Error, "Invalid payment api model"));
}
