protected void Page_Load(object sender, EventArgs e)
{
// Do we have any special handling?
PayPalNavigation nav = new PayPalNavigation(Request.QueryString);
switch (nav.GatewayExit.ToUpper())
{
case "CANCEL":
{
InvokePaymentCancelled();
CheckoutControl.Hide();
pnlProceedToPayPal.Visible = false;
return;
}
case "RETURN":
{
PayPalIPNParameters ipn = new PayPalIPNParameters(Request.Form, Request.BinaryRead(Request.ContentLength));
// Here there is no check about the validity of the PayPal response (IPN),
// because it's just a message displayed to the customer.
// Everything is checked in the NOTIFY case received from PayPal in the PayPalIPN.aspx page.
switch (ipn.payment_status.ToLower())
{
case "completed":
InvokePaymentSucceeded();
break;
default:
InvokePaymentRequiresConfirmation();
break;
}
CheckoutControl.Hide();
pnlProceedToPayPal.Visible = false;
return;
}
}
if (nav.GatewayExit.Length > 0)
{
//If the PayPalExit is anything else with length > 0, then don't do any processing
HttpContext.Current.Response.Redirect(Common.Globals.NavigateURL(PortalSettings.ActiveTab.TabID), false);
return;
}
// Continue with display of payment control...
if (Page.IsPostBack == false)
{
PayPalSettings settings = new PayPalSettings(StoreSettings.GatewaySettings);
if (!settings.IsValid())
{
lblError.Text = Localization.GetString("GatewayNotConfigured", LocalResourceFile);
lblError.Visible = true;
pnlProceedToPayPal.Visible = false;
return;
}
SurchargePercent = settings.SurchargePercent;
SurchargeFixed = settings.SurchargeFixed;
btnConfirmOrder.Attributes.Add("OnClick", ScriptAvoidDoubleClick(btnConfirmOrder, Localization.GetString("Processing", this.LocalResourceFile)));
string message = Localization.GetString("lblConfirmMessage", LocalResourceFile);
lblConfirmMessage.Text = string.Format(message, PortalSettings.PortalName);
message = Localization.GetString("paypalimage", LocalResourceFile);
paypalimage.AlternateText = message;
lblError.Text = string.Empty;
lblError.Visible = false;
paypalimage.ImageUrl = settings.ButtonURL;
}
}
private void ConfirmOrder()
{
Page.Validate();
if (Page.IsValid == false)
{
return;
}
// Adds order to db...
OrderInfo order = CheckoutControl.GetFinalizedOrderInfo();
IAddressInfo billingAddress = CheckoutControl.BillingAddress;
GenerateOrderConfirmation();
CheckoutControl.Hide();
pnlProceedToPayPal.Visible = false;
// Set order status to "Awaiting Payment"...
CheckoutControl.Order = UpdateOrderStatus(order, OrderInfo.OrderStatusList.AwaitingPayment);
// Clear basket
CurrentCart.DeleteCart(PortalId, StoreSettings.SecureCookie);
// Clear cookies
ClearOrderIdCookie();
// Process transaction
string url;
string urlAuthority = Request.Url.GetLeftPart(UriPartial.Authority);
TransactionDetails transaction = new TransactionDetails();
PayPalNavigation nav = new PayPalNavigation(Request.QueryString)
{
OrderID = order.OrderID,
GatewayExit = "return"
};
url = nav.GetNavigationUrl();
if (url.StartsWith(urlAuthority) == false)
{
url = urlAuthority + url;
}
transaction.ReturnURL = url;
nav.GatewayExit = "cancel";
url = nav.GetNavigationUrl();
if (url.StartsWith(urlAuthority) == false)
{
url = urlAuthority + url;
}
transaction.CancelURL = url;
string language = Request.QueryString["language"];
if (string.IsNullOrEmpty(language))
{
language = System.Threading.Thread.CurrentThread.CurrentCulture.ToString();
}
transaction.NotifyURL = urlAuthority + TemplateSourceDirectory + "/PayPalIPN.aspx?language=" + language;
string message = Localization.GetString("PayPalReturnTo", LocalResourceFile);
transaction.Cbt = string.Format(message, PortalSettings.PortalName);
transaction.Email = billingAddress.Email;
PayPalGatewayProvider provider = new PayPalGatewayProvider(StoreSettings.GatewaySettings);
provider.ProcessTransaction(CheckoutControl.BillingAddress, order, transaction);
}
