private PayData SkapaPaysonPayData(SignMeUpVM SUPVM, Organisation org)
        {
            // We remove port info to help when the site is behind a load balancer/firewall that does port rewrites.
            var scheme = Request.Url.Scheme;
            var host   = Request.Url.Host;

            var returnUrl = Url.Action("Returned", "Payson", new RouteValueDictionary(), scheme, host) + "/" + SUPVM.RegistreringsId;

            var cancelUrl = Url.Action("Cancelled", "Payson", new RouteValueDictionary(), scheme, host) + "/" + SUPVM.RegistreringsId;

            var sender = new Sender(SUPVM.Kontaktinformation.SenderEmail);

            sender.FirstName = SUPVM.Kontaktinformation.SenderFirstName;
            sender.LastName  = SUPVM.Kontaktinformation.SenderLastName;

            var receiver = new Receiver(org.Epost, SUPVM.AttBetala);

            receiver.FirstName = org.Namn;
            receiver.SetPrimaryReceiver(true);

            var payData = new PayData(returnUrl,
                                      cancelUrl,
                                      smuService.HamtaEvenemang(SUPVM.EvenemangsId).Namn + " - " + SUPVM.GetFaltvarde("Lagnamn"),
                                      sender,
                                      new List <Receiver> {
                receiver
            });

            // Set IPN callback URL
            // When the shop is hosted by Payson the IPN scheme must be http and not https
            var ipnNotificationUrl = Url.Action("IPN", "Payson", new RouteValueDictionary(), scheme, host) + "/" + SUPVM.RegistreringsId;

            payData.SetIpnNotificationUrl(ipnNotificationUrl);

            payData.SetFundingConstraints(new List <FundingConstraint> {
                FundingConstraint.Bank, FundingConstraint.CreditCard
            });
            payData.SetTrackingId(SUPVM.RegistreringsId.ToString());

            // Skapa poster för betalning
            var orderItems = new List <PaysonIntegration.Utils.OrderItem>();

            foreach (ValViewModel post in SUPVM.Betalnignsposter)
            {
                var oi = new PaysonIntegration.Utils.OrderItem(post.TypNamn + ": " + post.Namn);
                oi.SetOptionalParameters("st", 1, post.Avgift, 0);
                orderItems.Add(oi);
            }

            payData.SetOrderItems(orderItems);

            return(payData);
        }
        public ActionResult Pay()
        {
            try
            {
                var checkout = (CheckoutModel)Session["checkout"];

                if (checkout == null || checkout.Registrering == null)
                {
                    return ShowError("Missing data, checkout or checkout.Registrering is null at Pay()");
                }

                log.Debug("Checkout, pay. Lagnamn: " + checkout.Registrering.Lagnamn);

                SaveNewRegistration(checkout.Registrering);
                FillRegistrering(checkout.Registrering);

                checkout.RegId = checkout.Registrering.ID;

                // We remove port info to help when the site is behind a load balancer/firewall that does port rewrites.
                var scheme = Request.Url.Scheme;
                var host = Request.Url.Host;
                //var oldPort = Request.Url.Port.ToString();
                var returnUrl = Url.Action("Returned", "Checkout", new RouteValueDictionary(), scheme, host)/*.Replace(oldPort, "")*/ + "?regId=" + checkout.RegId;

                var cancelUrl = Url.Action("Cancelled", "Checkout", new RouteValueDictionary(), scheme, host)/*.Replace(oldPort, "")*/;

                var sender = new Sender(checkout.SenderEmail);
                sender.FirstName = checkout.SenderFirstName;
                sender.LastName = checkout.SenderLastName;

                var totalAmount = Avgift.Kalk(checkout.Registrering);

                var receiver = new Receiver(CheckoutModel.PaysonRecieverEmail, totalAmount);
                receiver.FirstName = CheckoutModel.PaysonRecieverFirstName;
                receiver.LastName = CheckoutModel.PaysonRecieverLastName;
                receiver.SetPrimaryReceiver(true);

                var payData = new PayData(returnUrl, cancelUrl, "Utmaningen 2014 - " + checkout.Registrering.Lagnamn, sender, new List<Receiver> { receiver });

                // Set IPN callback URL
                // When the shop is hosted by Payson the IPN scheme must be http and not https
                var ipnNotificationUrl = Url.Action("IPN", "Checkout", new RouteValueDictionary(), scheme, host)/*.Replace(oldPort, "")*/ + "?regId=" + checkout.RegId;
                payData.SetIpnNotificationUrl(ipnNotificationUrl);

                payData.SetFundingConstraints(new List<FundingConstraint> { FundingConstraint.Bank, FundingConstraint.CreditCard });
                payData.SetTrackingId(checkout.Registrering.ID.ToString());

                var orderItems = new List<PaysonIntegration.Utils.OrderItem>();
                var reg = checkout.Registrering;
                // Lägg in värden på kvitto
                var oi1 = new PaysonIntegration.Utils.OrderItem("Utmaningen " + DateTime.Now.Year + ", bana " + reg.Banor.Namn);
                oi1.SetOptionalParameters("st", 1, reg.Banor.Avgift, 0);
                orderItems.Add(oi1);
                if (reg.Kanoter.Avgift != 0)
                {
                    var oi2 = new PaysonIntegration.Utils.OrderItem("Kanot, " + reg.Kanoter.Namn);
                    oi2.SetOptionalParameters("st", 1, (decimal)reg.Kanoter.Avgift, 0);
                    orderItems.Add(oi2);
                }
                if (reg.Forseningsavgift != 0)
                {
                    var oi3 = new PaysonIntegration.Utils.OrderItem("Avgift för sen anmälan");
                    oi3.SetOptionalParameters("st", 1, (decimal)reg.Forseningsavgift, 0);
                    orderItems.Add(oi3);
                }
                if (reg.Rabatt != 0)
                {
                    var oi4 = new PaysonIntegration.Utils.OrderItem("Rabatt");
                    oi4.SetOptionalParameters("st", 1, -(decimal)reg.Rabatt, 0);
                    orderItems.Add(oi4);
                }
                payData.SetOrderItems(orderItems);

                var api = new PaysonApi(CheckoutModel.PaysonUserId, CheckoutModel.PaysonUserKey, ApplicationId, false);
            #if DEBUG
                api = new PaysonApi("4", "2acab30d-fe50-426f-90d7-8c60a7eb31d4", ApplicationId, true);
            #endif

                var response = api.MakePayRequest(payData);

                if (response.Success)
                {
                    checkout.Token = response.Token;
                    checkout.Registrering.PaysonToken = response.Token;
                    SaveChanges(checkout.Registrering);

                    var forwardUrl = api.GetForwardPayUrl(response.Token);

                    Session["checkout"] = checkout;

                    return Redirect(forwardUrl);
                }

                return ShowPaymentError("Error when sending payment to payson.", response.NvpContent, checkout.Registrering);
            }
            catch (Exception exception)
            {
                log.Error("Exception in pay.", exception);
                return ShowError("Error in Pay().", exception);
            }
        }