public ProcessPaymentResult ProcessPayment(ProcessPaymentRequest processPaymentRequest)
 {
     return(AuthorizeOrSale(processPaymentRequest, false));
 }
        protected ProcessPaymentResult AuthorizeOrSale(ProcessPaymentRequest processPaymentRequest, bool authorizeOnly)
        {
            var result = new ProcessPaymentResult();



            var req = new DoDirectPaymentReq();

            req.DoDirectPaymentRequest         = new DoDirectPaymentRequestType();
            req.DoDirectPaymentRequest.Version = GetApiVersion();
            var details = new DoDirectPaymentRequestDetailsType();

            req.DoDirectPaymentRequest.DoDirectPaymentRequestDetails = details;
            details.IPAddress = _webHelper.GetCurrentIpAddress() ?? "";
            if (authorizeOnly)
            {
                details.PaymentAction = PaymentActionCodeType.AUTHORIZATION;
            }
            else
            {
                details.PaymentAction = PaymentActionCodeType.SALE;
            }
            //credit card
            details.CreditCard = new CreditCardDetailsType();
            details.CreditCard.CreditCardNumber = processPaymentRequest.CreditCardNumber;
            details.CreditCard.CreditCardType   = GetPaypalCreditCardType(processPaymentRequest.CreditCardType);
            details.CreditCard.ExpMonth         = processPaymentRequest.CreditCardExpireMonth;
            details.CreditCard.ExpYear          = processPaymentRequest.CreditCardExpireYear;
            details.CreditCard.CVV2             = processPaymentRequest.CreditCardCvv2;



            //order totals
            var payPalCurrency = PaypalHelper.GetPaypalCurrency("USD");

            details.PaymentDetails                       = new PaymentDetailsType();
            details.PaymentDetails.OrderTotal            = new BasicAmountType();
            details.PaymentDetails.OrderTotal.value      = Math.Round(processPaymentRequest.OrderTotal, 2).ToString("N", new CultureInfo("en-us"));
            details.PaymentDetails.OrderTotal.currencyID = payPalCurrency;
            details.PaymentDetails.Custom                = processPaymentRequest.OrderGuid.ToString();
            details.PaymentDetails.ButtonSource          = "GreenProPaymentButton";



            //send request
            var service = GetService();
            DoDirectPaymentResponseType response = service.DoDirectPayment(req);

            string error;
            bool   success = PaypalHelper.CheckSuccess(response, out error);

            if (success)
            {
                result.AvsResult = response.AVSCode;
                result.AuthorizationTransactionCode = response.CVV2Code;
                if (authorizeOnly)
                {
                    result.AuthorizationTransactionId     = response.TransactionID;
                    result.AuthorizationTransactionResult = response.Ack.ToString();

                    result.NewPaymentStatus = PaymentStatus.Authorized;
                }
                else
                {
                    result.CaptureTransactionId     = response.TransactionID;
                    result.CaptureTransactionResult = response.Ack.ToString();

                    result.NewPaymentStatus = PaymentStatus.Paid;
                }
            }
            else
            {
                result.AddError(error);
            }
            return(result);
        }