public virtual PaymentProcessingResult ProcessPayment(IOrderGroup orderGroup, IPayment payment)
        {
            PaymentStepResult stepResult;

            try
            {
                Logger.Debug("Netaxept checkout gateway. Processing Payment ....");

                if (_orderForm == null)
                {
                    _orderForm = orderGroup.Forms.FirstOrDefault(form => form.Payments.Contains(payment));
                }

                var registerPaymentStep      = new RegisterPaymentStep(payment);
                var authorizationPaymentStep = new AuthorizationPaymentStep(payment);
                var capturePaymentStep       = new CapturePaymentStep(payment);
                var creditPaymentStep        = new CreditPaymentStep(payment);
                var annulPaymentStep         = new AnnulPaymentStep(payment);

                registerPaymentStep.SetSuccessor(authorizationPaymentStep);
                authorizationPaymentStep.SetSuccessor(capturePaymentStep);
                capturePaymentStep.SetSuccessor(creditPaymentStep);
                creditPaymentStep.SetSuccessor(annulPaymentStep);

                stepResult = registerPaymentStep.Process(payment, _orderForm, orderGroup);
            }
            catch (Exception exception)
            {
                Logger.Error("Process payment failed with error: " + exception.Message, exception);
                stepResult = new PaymentStepResult {
                    IsSuccessful = false, Message = exception.Message
                };
            }

            if (stepResult.IsSuccessful)
            {
                return(PaymentProcessingResult.CreateSuccessfulResult(stepResult.Message, stepResult.RedirectUrl));
            }

            // COM-10168 Payment: bug in Commerce 12 but fixed in Commerce 13.13. The unsuccessfull result is ignored by Episerver and payment is set to processed. When package
            // is made compatible for Commerce 13 this code can be removed and the commented out code can be restored.
            // return PaymentProcessingResult.CreateUnsuccessfulResult(stepResult.Message);

            throw new PaymentException(PaymentException.ErrorType.ProviderError, string.Empty, stepResult.Message);
        }
        public virtual PaymentProcessingResult ProcessPayment(IOrderGroup orderGroup, IPayment payment)
        {
            PaymentStepResult stepResult;

            try
            {
                Logger.Debug("Netaxept checkout gateway. Processing Payment ....");

                if (_orderForm == null)
                {
                    _orderForm = orderGroup.Forms.FirstOrDefault(form => form.Payments.Contains(payment));
                }

                var registerPaymentStep = new RegisterPaymentStep(payment);
                var capturePaymentStep  = new CapturePaymentStep(payment);
                var creditPaymentStep   = new CreditPaymentStep(payment);
                var annulPaymentStep    = new AnnulPaymentStep(payment);

                registerPaymentStep.SetSuccessor(capturePaymentStep);
                capturePaymentStep.SetSuccessor(creditPaymentStep);
                creditPaymentStep.SetSuccessor(annulPaymentStep);

                stepResult = registerPaymentStep.Process(payment, _orderForm, orderGroup);
            }
            catch (Exception exception)
            {
                Logger.Error("Process payment failed with error: " + exception.Message, exception);
                stepResult = new PaymentStepResult {
                    IsSuccessful = false, Message = exception.Message
                };
            }

            if (stepResult.IsSuccessful)
            {
                return(PaymentProcessingResult.CreateSuccessfulResult(stepResult.Message, stepResult.RedirectUrl));
            }

            return(PaymentProcessingResult.CreateUnsuccessfulResult(stepResult.Message));
        }