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;
}
private NVPCodec InitializeEncoder(tbl_Orders order)
{
decimal totalItemsPrice = order.tbl_OrderContent.Sum(oc => oc.OC_TotalPrice) + order.DependentOrders.Sum(o => o.TotalAmount);
string totalAmount = Math.Round(order.TotalAmountToPay, 2).ToString().Replace(',', '.');
string totalTaxAmount = Math.Round(order.TotalTaxAmount, 2).ToString().Replace(',', '.');
string totalItemsAmount = order.O_IsCustomAmount ? order.TotalAmountToPay.ToString().Replace(',', '.') : Math.Round(totalItemsPrice, 2).ToString().Replace(',', '.');
string totalShippingAmount = Math.Round(order.TotalDeliveryAmount, 2).ToString().Replace(',', '.');
NVPCodec encoder = new NVPCodec();
encoder[PayPalConsts.Version] = "98.0";
encoder[PayPalConsts.TotalAmount] = totalAmount;
encoder[PayPalConsts.DeliveryAmount] = totalShippingAmount;
encoder[PayPalConsts.ItemsTotalAmount] = totalItemsAmount;
if (order.DiscountAmount != 0)
{
decimal discount = order.DiscountAmount > totalItemsPrice ? totalItemsPrice : order.DiscountAmount;
encoder[PayPalConsts.DiscountAmount] = Math.Round(-Math.Abs(discount), 2).ToString().Replace(',', '.');
}
// if order items should be listed in order details displayed on PayPal account
if (DomainService.GetSettingsValueAsBool(BL.SettingsKey.payPalSendOrderItems, this.DomainID) && !order.O_IsCustomAmount)
{
int i = 0;
foreach (var oc in order.tbl_OrderContent)
{
encoder[PayPalConsts.GetItemNumberKey(i)] = oc.tbl_Products==null ? oc.tbl_ProductPrice.PR_ProductID.ToString() : oc.tbl_Products.P_ProductCode;
encoder[PayPalConsts.GetItemNameKey(i)] = oc.OC_Title ?? "";
encoder[PayPalConsts.GetItemDescriptionKey(i)] = oc.OC_Description ?? "";
encoder[PayPalConsts.GetItemQuantityKey(i)] = oc.OC_Quantity.ToString();
encoder[PayPalConsts.GetItemsTotalAmountKey(i)] = Math.Round(oc.OC_TotalPrice / oc.OC_Quantity.GetValueOrDefault(1), 2).ToString().Replace(',', '.');
i++;
}
if (order.DependentOrders.Any())
{
foreach (var donation in order.DependentOrders)
{
encoder[PayPalConsts.GetItemNumberKey(i)] = donation.OrderID.ToString();
encoder[PayPalConsts.GetItemNameKey(i)] = String.Format("Donation to order {0}", order.OrderID);
encoder[PayPalConsts.GetItemDescriptionKey(i)] = "donation";
encoder[PayPalConsts.GetItemQuantityKey(i)] = "1";
encoder[PayPalConsts.GetItemsTotalAmountKey(i)] = Math.Round(donation.TotalAmount, 2).ToString().Replace(',', '.');
i++;
}
}
}
return encoder;
}
private string SetExpressCheckout(tbl_Orders order, string payPalReturnUrl, string payPalCancelUrl, string payPalUser, string payPalPassword, string payPalSignature, string payPalCurrencyCode, string payPalNvpSetExpressUrl, string payPalHost, string invoiceID, string languageCode)
{
string resultToLog;
NVPCodec encoder = InitializeEncoder(order);
encoder[PayPalConsts.Method] = "SetExpressCheckout";
encoder[PayPalConsts.NoShipping] = "1";
encoder[PayPalConsts.ReturnUrl] = payPalReturnUrl;
encoder[PayPalConsts.CancelUrl] = payPalCancelUrl;
encoder[PayPalConsts.User] = payPalUser;
encoder[PayPalConsts.Pwd] = payPalPassword;
encoder[PayPalConsts.Signature] = payPalSignature;
encoder[PayPalConsts.CurrencyCode] = payPalCurrencyCode;
encoder[PayPalConsts.InvoiceID] = invoiceID;
if (!string.IsNullOrEmpty(languageCode))
{
encoder[PayPalConsts.LocaleCode] = languageCode;
}
string settings = encoder.GetSettings();
Log.Info(settings);
string encoded = encoder.Encode();
string result = resultToLog = HttpPost(payPalNvpSetExpressUrl, encoded, 30000);
NVPCodec decoder = new NVPCodec();
decoder.Decode(result);
string token = decoder[PayPalConsts.Token];
if (decoder[PayPalConsts.ACK].ToLower() == "success" || decoder[PayPalConsts.ACK].ToLower() == "successwithwarning")
{
ECommerceService.UpdateOrderPaymentStatus(order.OrderID, BL.PaymentStatus.PayPal_SetExpressCheckout_Success);
ECommerceService.UpdateOrderSecurityKey(token, order.OrderID);
return String.Format("{0}?cmd=_express-checkout&{1}={2}&{3}={4}", payPalHost, PayPalConsts.Token.ToLower(), token, PayPalConsts.Useraction, PayPalConsts.Commit);
}
else
{
ECommerceService.UpdateOrderPaymentStatus(order.OrderID, BL.PaymentStatus.PayPal_SetExpressCheckout_Failure);
resultToLog = Server.UrlDecode(resultToLog).Replace("&", Environment.NewLine);
Log.Error(String.Format("PayPal payment - SetExpressCheckout failed: {0}", resultToLog));
}
return String.Empty;
}
private NVPCodec InitializeEncoder(tbl_Orders order, string currencyCode)
{
NVPCodec encoder = new NVPCodec();
encoder[SecureTradingConsts.SiteReference] = GetReferenceSite(order.O_DomainID);
encoder[SecureTradingConsts.CurrencyIso3a] = currencyCode;
encoder[SecureTradingConsts.MainAmount] = order.TotalAmountToPay.ToString("C");
encoder[SecureTradingConsts.Version] = "1";
encoder[SecureTradingConsts.OrderReference] = order.OrderID.ToString();
//encoder[SecureTradingConsts.BillingPremise]
if (order.BillingAddress1 != null)
encoder[SecureTradingConsts.BillingStreet] = order.BillingAddress1;
if (order.BillingCity != null)
encoder[SecureTradingConsts.BillingTown] = order.BillingCity;
if (order.BillingState != null)
encoder[SecureTradingConsts.BillingCounty] = order.BillingState;
if (order.BillingPostCode != null)
encoder[SecureTradingConsts.BillingPostCode] = order.BillingPostCode;
if (order.BillingFirstnames != null)
encoder[SecureTradingConsts.BillingFirstName] = order.BillingFirstnames;
if (order.BillingSurname != null)
encoder[SecureTradingConsts.BillingLastName] = order.BillingSurname;
if (order.BillingCountry != null)
encoder[SecureTradingConsts.BillingCountryIso2a] = order.BillingCountry;
if (order.CustomerEMail != null)
encoder[SecureTradingConsts.BillingEmail] = order.CustomerEMail;
if (order.DeliveryAddress1 != null)
encoder[SecureTradingConsts.CustomerStreet] = order.IsDeliverable ? order.DeliveryAddress1 : order.BillingAddress1;
if (order.DeliveryCity != null)
encoder[SecureTradingConsts.CustomerTown] = order.IsDeliverable ? order.DeliveryCity : order.BillingCity;
if (order.DeliveryState != null)
encoder[SecureTradingConsts.CustomerCounty] = order.IsDeliverable ? order.DeliveryState : order.BillingState;
if (order.DeliveryPostCode != null)
encoder[SecureTradingConsts.CustomerPostCode] = order.IsDeliverable ? order.DeliveryPostCode : order.BillingPostCode;
if (order.DeliveryCountry != null)
encoder[SecureTradingConsts.CustomerCountryIso2a] = order.IsDeliverable ? order.DeliveryCountry : order.BillingCountry;
encoder[SecureTradingConsts.SiteSecurity] = CreateRequestSecurityCode(order, currencyCode);
return encoder;
}