public override string HandleRequestAndReturnUrlForRedirect(
HttpContext context,
string payPalToken,
string payPalPayerId,
PayPalLog setExpressCheckoutLog)
{
string redirectUrl = string.Empty;
if ((payPalToken == null) || (payPalToken.Length == 0))
{
log.Error("WebStorePayPalReturnHandler received empty payPalToken");
return redirectUrl;
}
if (setExpressCheckoutLog == null)
{
log.Error("WebStorePayPalReturnHandler received null setExpressCheckoutLog for payPalToken " + payPalToken);
return redirectUrl;
}
if (setExpressCheckoutLog.SerializedObject.Length == 0)
{
log.Error("WebStorePayPalReturnHandler cart was not previously serialized for payPalToken " + payPalToken);
return redirectUrl;
}
if (setExpressCheckoutLog.CreatedUtc.AddHours(4) < DateTime.UtcNow)
{
log.Error("payPalToken " + payPalToken + " was more than 4 hours old, it should expire after 3 hours ");
return redirectUrl;
}
CommerceConfiguration commerceConfig = SiteUtils.GetCommerceConfig();
PayPalExpressGateway gateway
= new PayPalExpressGateway(
commerceConfig.PayPalAPIUsername,
commerceConfig.PayPalAPIPassword,
commerceConfig.PayPalAPISignature,
commerceConfig.PayPalStandardEmailAddress);
gateway.UseTestMode = commerceConfig.PaymentGatewayUseTestMode;
gateway.PayPalToken = payPalToken;
gateway.PayPalPayerId = payPalPayerId;
Cart savedCart = (Cart)SerializationHelper.DeserializeFromString(typeof(Cart), setExpressCheckoutLog.SerializedObject);
savedCart.DeSerializeCartOffers();
string siteRoot = SiteUtils.GetNavigationSiteRoot();
gateway.MerchantCartId = savedCart.CartGuid.ToString();
gateway.ChargeTotal = savedCart.OrderTotal;
gateway.ReturnUrl = siteRoot + "/Services/PayPalReturnHandler.ashx";
gateway.CancelUrl = siteRoot;
//gateway.PayPalPayerId = payPalPayerId;
gateway.CallGetExpressCheckoutDetails();
PayPalLog payPalLog = new PayPalLog();
payPalLog.ProviderName = WebStorePayPalReturnHandler.ProviderName;
payPalLog.SerializedObject = setExpressCheckoutLog.SerializedObject;
payPalLog.ReturnUrl = setExpressCheckoutLog.ReturnUrl;
payPalLog.RawResponse = gateway.RawResponse;
payPalLog.TransactionId = gateway.TransactionId;
payPalLog.CurrencyCode = gateway.CurrencyCode;
// TODO: add versions to gateways
//log.ApiVersion = gateway.
payPalLog.CartGuid = savedCart.CartGuid;
Store store = new Store(savedCart.StoreGuid);
payPalLog.Token = payPalToken;
payPalLog.PayerId = payPalPayerId;
payPalLog.RequestType = "GetExpressCheckoutDetails";
payPalLog.SiteGuid = store.SiteGuid;
payPalLog.StoreGuid = store.Guid;
payPalLog.UserGuid = savedCart.UserGuid;
// update the order with customer shipping info
savedCart.OrderInfo.DeliveryCompany = gateway.ShipToCompanyName;
savedCart.OrderInfo.DeliveryAddress1 = gateway.ShipToAddress;
savedCart.OrderInfo.DeliveryAddress2 = gateway.ShipToAddress2;
savedCart.OrderInfo.DeliveryCity = gateway.ShipToCity;
savedCart.OrderInfo.DeliveryFirstName = gateway.ShipToFirstName;
savedCart.OrderInfo.DeliveryLastName = gateway.ShipToLastName;
savedCart.OrderInfo.DeliveryPostalCode = gateway.ShipToPostalCode;
savedCart.OrderInfo.DeliveryState = gateway.ShipToState;
savedCart.OrderInfo.DeliveryCountry = gateway.ShipToCountry;
//Note that PayPal only returns a phone number if your Merchant accounts is configured to require the
// buyer to provide it.
if (gateway.ShipToPhone.Length > 0)
{
savedCart.OrderInfo.CustomerTelephoneDay = gateway.ShipToPhone;
}
if (gateway.BuyerEmail.Length > 0)
{
savedCart.OrderInfo.CustomerEmail = gateway.BuyerEmail;
}
// if customer and billing aren't populated already, user was anonymous when checkout began, make them the same as shipping
//if (savedCart.UserGuid == Guid.Empty)
//{
//2013-12-23 since all we get is shipping address this can be considered as the same thing as billing address for paypal purposes so always use it
// especially because we may need to calculate tax for express checkout
// based on the address provided by paypal
savedCart.CopyShippingToBilling();
savedCart.CopyShippingToCustomer();
//}
GeoCountry country = new GeoCountry(savedCart.OrderInfo.DeliveryCountry);
GeoZone taxZone = GeoZone.GetByCode(country.Guid, savedCart.OrderInfo.DeliveryState);
savedCart.OrderInfo.TaxZoneGuid = taxZone.Guid;
savedCart.OrderInfo.Save();
// refresh totals to calculate tax or shipping now that we have an address
savedCart.RefreshTotals();
savedCart.Save();
savedCart.SerializeCartOffers();
payPalLog.SerializedObject = SerializationHelper.SerializeToString(savedCart);
payPalLog.Save();
if (gateway.Response == PaymentGatewayResponse.Error)
{
redirectUrl = siteRoot + "/WebStore/PayPalGatewayError.aspx?plog=" + payPalLog.RowGuid.ToString();
return redirectUrl;
}
if (gateway.PayPalPayerId.Length == 0)
{
redirectUrl = siteRoot + "/WebStore/PayPalGatewayError.aspx?plog=" + payPalLog.RowGuid.ToString();
return redirectUrl;
}
int pageId = -1;
List<PageModule> pageModules = PageModule.GetPageModulesByModule(store.ModuleId);
foreach (PageModule pm in pageModules)
{
// use first pageid found, really a store should only
// be on one page
pageId = pm.PageId;
break;
}
// after the CallGetExpressCheckoutDetails
// we have the option of directing to a final review page before
// calling CallDoExpressCheckoutPayment
redirectUrl = siteRoot +
"/WebStore/PayPalExpressCheckout.aspx?pageid="
+ pageId.ToString(CultureInfo.InvariantCulture)
+ "&mid=" + store.ModuleId.ToString(CultureInfo.InvariantCulture)
+ "&plog=" + payPalLog.RowGuid.ToString();
return redirectUrl;
}
