/// <inheritdoc />
public virtual async Task <IPaymentRequestResult> RequestAsync(Invoice invoice, CancellationToken cancellationToken = default)
{
if (invoice == null)
{
throw new ArgumentNullException(nameof(invoice));
}
_logger.LogInformation(LoggingEvents.RequestPayment, $"Requesting the invoice {invoice.TrackingNumber} is started.");
// Check the tracking number
if (await _storageManager.DoesPaymentExistAsync(invoice.TrackingNumber, cancellationToken).ConfigureAwaitFalse())
{
_logger.LogInformation(LoggingEvents.RequestPayment, _messagesOptions.Value.DuplicateTrackingNumber);
return(new PaymentRequestResult
{
TrackingNumber = invoice.TrackingNumber,
IsSucceed = false,
Message = _messagesOptions.Value.DuplicateTrackingNumber,
GatewayTransporter = new NullGatewayTransporter()
});
}
// Create a payment token
var paymentToken = await _tokenProvider
.ProvideTokenAsync(invoice, cancellationToken)
.ConfigureAwaitFalse();
// Check the created payment token
if (await _storageManager.DoesPaymentExistAsync(paymentToken, cancellationToken).ConfigureAwaitFalse())
{
var message = $"Requesting the invoice {invoice.TrackingNumber} is finished. The payment token \"{paymentToken}\" already exists.";
_logger.LogError(LoggingEvents.RequestPayment, message);
throw new PaymentTokenProviderException(message);
}
var gateway = _gatewayProvider.Provide(invoice.GatewayName);
var newPayment = new Payment
{
TrackingNumber = invoice.TrackingNumber,
Amount = invoice.Amount,
IsCompleted = false,
IsPaid = false,
Token = paymentToken,
GatewayName = gateway.GetRoutingGatewayName()
};
await _storageManager.CreatePaymentAsync(newPayment, cancellationToken).ConfigureAwaitFalse();
PaymentRequestResult requestResult;
try
{
requestResult = await gateway
.RequestAsync(invoice, cancellationToken)
.ConfigureAwaitFalse() as PaymentRequestResult;
if (requestResult == null)
{
throw new Exception($"Requesting the invoice {invoice.TrackingNumber} is finished. The gateway {gateway.GetCompleteGatewayName()} returns null instead of a result.");
}
}
catch (Exception exception)
{
_logger.LogError(exception, exception.Message);
newPayment.IsCompleted = true;
newPayment.IsPaid = false;
requestResult = PaymentRequestResult.Failed(exception.Message);
}
requestResult.TrackingNumber = invoice.TrackingNumber;
requestResult.Amount = invoice.Amount;
requestResult.GatewayName = gateway.GetRoutingGatewayName();
newPayment.GatewayAccountName = requestResult.GatewayAccountName;
await _storageManager.UpdatePaymentAsync(newPayment, cancellationToken).ConfigureAwaitFalse();
var newTransaction = new Transaction
{
Amount = invoice.Amount,
Type = TransactionType.Request,
IsSucceed = requestResult.IsSucceed,
Message = requestResult.Message,
AdditionalData = AdditionalDataConverter.ToJson(requestResult),
PaymentId = newPayment.Id
};
await _storageManager.CreateTransactionAsync(newTransaction, cancellationToken).ConfigureAwaitFalse();
_logger.LogInformation(LoggingEvents.RequestPayment, $"Requesting the invoice {invoice.TrackingNumber} is finished.");
return(requestResult);
}