public PayPalPaymentStatus DoExpressCheckoutPayment(tbl_Orders order, string token, string payerId, string payPalCurrencyCode, string payPalReturnUrl, string payPalCancelUrl, string payPalUser, string payPalPassword, string payPalSignature, string payPalNvpSetExpressUrl, string invoiceID)
{
string resultToLog;
NVPCodec encoder = InitializeEncoder(order);
encoder[PayPalConsts.Method] = "DoExpressCheckoutPayment";
encoder[PayPalConsts.Token] = token;
encoder[PayPalConsts.PaymentAction] = "Sale";
encoder[PayPalConsts.PayerId] = payerId;
encoder[PayPalConsts.CurrencyCode] = payPalCurrencyCode;
encoder[PayPalConsts.ReturnUrl] = payPalReturnUrl;
encoder[PayPalConsts.CancelUrl] = payPalCancelUrl;
encoder[PayPalConsts.User] = payPalUser;
encoder[PayPalConsts.Pwd] = payPalPassword;
encoder[PayPalConsts.Signature] = payPalSignature;
encoder[PayPalConsts.InvoiceID] = invoiceID;
string encoded = encoder.Encode();
string result = resultToLog = HttpPost(payPalNvpSetExpressUrl, encoded, 30000);
NVPCodec decoder = new NVPCodec();
decoder.Decode(result);
PayPalPaymentStatus payPalStatus = new PayPalPaymentStatus();
payPalStatus.TransactionID = decoder[PayPalConsts.TransactionID];
payPalStatus.Token = decoder[PayPalConsts.Token];
payPalStatus.ACK = decoder[PayPalConsts.ACK];
payPalStatus.PaymentStatus = decoder[PayPalConsts.PaymentStatus];
payPalStatus.PendingReason = decoder[PayPalConsts.PendingReason];
payPalStatus.ErrorCode = decoder[PayPalConsts.ErrorCode];
payPalStatus.ErrorMessage = decoder[PayPalConsts.ErrorMessage];
if (payPalStatus.ACK.ToLower() != "success")
{
ECommerceService.UpdateOrderPaymentStatus(order.OrderID, BL.PaymentStatus.PayPal_DoExpressCheckout_Failure);
resultToLog = Server.UrlDecode(resultToLog).Replace("&", Environment.NewLine);
Log.Error(String.Format("PayPal payment - DoExpressCheckoutPayment failed: {0}", resultToLog));
}
return(payPalStatus);
}
public ActionResult LandingPage()
{
NameValueCollection variables = Request.QueryString;
string token = HttpUtility.UrlEncode(variables[PayPalConsts.Token]);
string payerID = HttpUtility.UrlEncode(variables[PayPalConsts.PayerId]);
tbl_Orders order = string.IsNullOrEmpty(token) ? null : ECommerceService.GetOrderBySecurityKey(token, DomainID);
if (order != null)
{
ECommerceService.UpdateOrderPaymentStatus(order.OrderID, BL.PaymentStatus.PayPal_LandingPage);
}
string paymentMessage = string.Empty;
string actionName = "PaymentError";
string orderID = (order != null) ? order.OrderID.ToString() : "[unknown]";
if (string.IsNullOrEmpty(payerID))
{
paymentMessage = String.Format("PayPal payment canceled for order {0}", orderID);
Log.Info(paymentMessage);
if (order != null)
{
ECommerceService.UpdateOrderPaymentStatus(order.OrderID, BL.PaymentStatus.PayPal_LandingPage_PayerUnknown);
}
return(RedirectToRoute("Website", new { action = "OrderSummary" }));
}
else
{
string currencyCode = DomainService.GetSettingsValue(BL.SettingsKey.payPalCurrencyCode, this.DomainID);
PayPalPaymentStatus status = DoExpressCheckoutPayment(
order,
token,
payerID,
currencyCode,
PayPalLandingPageUrl,
PayPalLandingPageUrl,
DomainService.GetSettingsValue(BL.SettingsKey.payPalUsername, this.DomainID),
DomainService.GetSettingsValue(BL.SettingsKey.payPalPassword, this.DomainID),
DomainService.GetSettingsValue(BL.SettingsKey.payPalSignature, this.DomainID),
PayPalApiUrlNvp,
order.OrderID.ToString());
switch (status.ACK.ToUpper())
{
case "SUCCESS":
case "SUCCESSWITHWARNING":
{
paymentMessage = String.Format("PayPal payment success, pending status [{0}] ", status.PaymentStatus);
Log.Info(paymentMessage);
if (order != null)
{
ECommerceService.UpdateOrderPaymentStatus(order.OrderID, BL.PaymentStatus.Paid, currencyCode);
}
actionName = "ThankYou";
} break;
case "FAILURE":
case "FAILUREWITHWARNING":
case "WARNING":
{
paymentMessage = String.Format("PayPal payment failed [{0}] ", status.ErrorMessage);
Log.Fatal(paymentMessage);
ECommerceService.UpdateOrderPaymentStatus(order.OrderID, BL.PaymentStatus.PayPal_DoExpressCheckout_Failure, currencyCode);
} break;
default:
{
paymentMessage = String.Format("PayPal first step unknown result [{0}] ", status.ACK + ": " + status.ErrorMessage);
Log.Fatal(paymentMessage);
ECommerceService.UpdateOrderPaymentStatus(order.OrderID, BL.PaymentStatus.PayPal_DoExpressCheckout_Unknown, currencyCode);
} break;
}
}
return(RedirectToRoute("Website", new { action = actionName, orderID = orderID }));
}
public void Cancelled()
{
this.Status = PayPalPaymentStatus.Cancelled;
}
public void Completed(string payerId)
{
this.PayPalPayerId = payerId;
this.Status = PayPalPaymentStatus.Completed;
}
public void AddError(PayPalError error)
{
this.Errors.Add(error);
this.Status = PayPalPaymentStatus.Error;
}
