// # SetExpressCheckout API Operation
// The SetExpressCheckout API operation initiates an Express Checkout transaction.
public SetExpressCheckoutResponseType SetExpressCheckout(string payment)
{
// Create the SetExpressCheckoutResponseType object
SetExpressCheckoutResponseType responseSetExpressCheckoutResponseType = new SetExpressCheckoutResponseType();
try
{
// # SetExpressCheckoutReq
SetExpressCheckoutRequestDetailsType setExpressCheckoutRequestDetails = new SetExpressCheckoutRequestDetailsType();
// URL to which the buyer's browser is returned after choosing to pay
// with PayPal. For digital goods, you must add JavaScript to this page
// to close the in-context experience.
// `Note:
// PayPal recommends that the value be the final review page on which
// the buyer confirms the order and payment or billing agreement.`
setExpressCheckoutRequestDetails.ReturnURL = System.Web.Configuration.WebConfigurationManager.AppSettings["HostingEndpoint"] + "/HirerWorkOrder/PaymentPost";
// URL to which the buyer is returned if the buyer does not approve the
// use of PayPal to pay you. For digital goods, you must add JavaScript
// to this page to close the in-context experience.
// `Note:
// PayPal recommends that the value be the original page on which the
// buyer chose to pay with PayPal or establish a billing agreement.`
setExpressCheckoutRequestDetails.CancelURL = System.Web.Configuration.WebConfigurationManager.AppSettings["HostingEndpoint"] + "/HirerWorkOrder/PaymentCancel";
// # Payment Information
// list of information about the payment
List<PaymentDetailsType> paymentDetailsList = new List<PaymentDetailsType>();
// information about the first payment
PaymentDetailsType paymentDetails1 = new PaymentDetailsType();
// Total cost of the transaction to the buyer. If shipping cost and tax
// charges are known, include them in this value. If not, this value
// should be the current sub-total of the order.
//
// If the transaction includes one or more one-time purchases, this field must be equal to
// the sum of the purchases. Set this field to 0 if the transaction does
// not include a one-time purchase such as when you set up a billing
// agreement for a recurring payment that is not immediately charged.
// When the field is set to 0, purchase-specific fields are ignored.
//
// * `Currency Code` - You must set the currencyID attribute to one of the
// 3-character currency codes for any of the supported PayPal
// currencies.
// * `Amount`
BasicAmountType orderTotal1 = new BasicAmountType(CurrencyCodeType.USD, payment);
paymentDetails1.OrderTotal = orderTotal1;
paymentDetails1.OrderDescription = System.Web.Configuration.WebConfigurationManager.AppSettings["PaypalDescription"];
// How you want to obtain payment. When implementing parallel payments,
// this field is required and must be set to `Order`. When implementing
// digital goods, this field is required and must be set to `Sale`. If the
// transaction does not include a one-time purchase, this field is
// ignored. It is one of the following values:
//
// * `Sale` - This is a final sale for which you are requesting payment
// (default).
// * `Authorization` - This payment is a basic authorization subject to
// settlement with PayPal Authorization and Capture.
// * `Order` - This payment is an order authorization subject to
// settlement with PayPal Authorization and Capture.
// `Note:
// You cannot set this field to Sale in SetExpressCheckout request and
// then change the value to Authorization or Order in the
// DoExpressCheckoutPayment request. If you set the field to
// Authorization or Order in SetExpressCheckout, you may set the field
// to Sale.`
paymentDetails1.PaymentAction = PaymentActionCodeType.SALE;
// Unique identifier for the merchant. For parallel payments, this field
// is required and must contain the Payer Id or the email address of the
// merchant.
SellerDetailsType sellerDetails1 = new SellerDetailsType();
sellerDetails1.PayPalAccountID = System.Web.Configuration.WebConfigurationManager.AppSettings["PayPalAccountID"];
paymentDetails1.SellerDetails = sellerDetails1;
// A unique identifier of the specific payment request, which is
// required for parallel payments.
paymentDetails1.PaymentRequestID = "PaymentRequest1";
paymentDetailsList.Add(paymentDetails1);
setExpressCheckoutRequestDetails.PaymentDetails = paymentDetailsList;
SetExpressCheckoutReq setExpressCheckout = new SetExpressCheckoutReq();
SetExpressCheckoutRequestType setExpressCheckoutRequest = new SetExpressCheckoutRequestType(setExpressCheckoutRequestDetails);
setExpressCheckout.SetExpressCheckoutRequest = setExpressCheckoutRequest;
// Create the service wrapper object to make the API call
PayPalAPIInterfaceServiceService service = new PayPalAPIInterfaceServiceService();
// # API call
// Invoke the SetExpressCheckout method in service wrapper object
responseSetExpressCheckoutResponseType = service.SetExpressCheckout(setExpressCheckout);
}
// # Exception log
catch (System.Exception ex)
{
// Log the exception message
levent.Level = LogLevel.Error;
levent.Message = "Logon failed for PaypalExpressCheckout: " + ex.Message;
log.Log(levent);
}
return responseSetExpressCheckoutResponseType;
}
// A helper method used by APIResponse.aspx that returns select response parameters
// of interest.
private void setKeyResponseObjects(PayPalAPIInterfaceServiceService service, SetExpressCheckoutResponseType setECResponse)
{
Dictionary<string, string> keyResponseParameters = new Dictionary<string, string>();
keyResponseParameters.Add("API Status", setECResponse.Ack.ToString());
HttpContext CurrContext = HttpContext.Current;
if (setECResponse.Ack.Equals(AckCodeType.FAILURE) ||
(setECResponse.Errors != null && setECResponse.Errors.Count > 0))
{
CurrContext.Items.Add("Response_error", setECResponse.Errors);
CurrContext.Items.Add("Response_redirectURL", null);
}
else
{
CurrContext.Items.Add("Response_error", null);
keyResponseParameters.Add("EC token", setECResponse.Token);
CurrContext.Items.Add("Response_redirectURL", ConfigManager.Instance.GetProperty("paypalUrl")
+ "_express-checkout&token=" + setECResponse.Token);
}
CurrContext.Items.Add("Response_keyResponseObject", keyResponseParameters);
CurrContext.Items.Add("Response_apiName", "SetExpressCheckout");
CurrContext.Items.Add("Response_requestPayload", service.getLastRequest());
CurrContext.Items.Add("Response_responsePayload", service.getLastResponse());
Server.Transfer("../APIResponse.aspx");
}
// # SetExpressCheckout API Operation
// The SetExpressCheckout API operation initiates an Express Checkout transaction.
public SetExpressCheckoutResponseType SetExpressCheckoutAPIOperation()
{
// Create the SetExpressCheckoutResponseType object
SetExpressCheckoutResponseType responseSetExpressCheckoutResponseType = new SetExpressCheckoutResponseType();
try
{
// # SetExpressCheckoutReq
SetExpressCheckoutRequestDetailsType setExpressCheckoutRequestDetails = new SetExpressCheckoutRequestDetailsType();
// URL to which the buyer's browser is returned after choosing to pay
// with PayPal. For digital goods, you must add JavaScript to this page
// to close the in-context experience.
// `Note:
// PayPal recommends that the value be the final review page on which
// the buyer confirms the order and payment or billing agreement.`
setExpressCheckoutRequestDetails.ReturnURL = "http://localhost/return";
// URL to which the buyer is returned if the buyer does not approve the
// use of PayPal to pay you. For digital goods, you must add JavaScript
// to this page to close the in-context experience.
// `Note:
// PayPal recommends that the value be the original page on which the
// buyer chose to pay with PayPal or establish a billing agreement.`
setExpressCheckoutRequestDetails.CancelURL = "http://localhost/cancel";
// # Payment Information
// list of information about the payment
List<PaymentDetailsType> paymentDetailsList = new List<PaymentDetailsType>();
// information about the first payment
PaymentDetailsType paymentDetails1 = new PaymentDetailsType();
// Total cost of the transaction to the buyer. If shipping cost and tax
// charges are known, include them in this value. If not, this value
// should be the current sub-total of the order.
//
// If the transaction includes one or more one-time purchases, this field must be equal to
// the sum of the purchases. Set this field to 0 if the transaction does
// not include a one-time purchase such as when you set up a billing
// agreement for a recurring payment that is not immediately charged.
// When the field is set to 0, purchase-specific fields are ignored.
//
// * `Currency Code` - You must set the currencyID attribute to one of the
// 3-character currency codes for any of the supported PayPal
// currencies.
// * `Amount`
BasicAmountType orderTotal1 = new BasicAmountType(CurrencyCodeType.USD, "2.00");
paymentDetails1.OrderTotal = orderTotal1;
// How you want to obtain payment. When implementing parallel payments,
// this field is required and must be set to `Order`. When implementing
// digital goods, this field is required and must be set to `Sale`. If the
// transaction does not include a one-time purchase, this field is
// ignored. It is one of the following values:
//
// * `Sale` - This is a final sale for which you are requesting payment
// (default).
// * `Authorization` - This payment is a basic authorization subject to
// settlement with PayPal Authorization and Capture.
// * `Order` - This payment is an order authorization subject to
// settlement with PayPal Authorization and Capture.
// `Note:
// You cannot set this field to Sale in SetExpressCheckout request and
// then change the value to Authorization or Order in the
// DoExpressCheckoutPayment request. If you set the field to
// Authorization or Order in SetExpressCheckout, you may set the field
// to Sale.`
paymentDetails1.PaymentAction = PaymentActionCodeType.ORDER;
// Unique identifier for the merchant. For parallel payments, this field
// is required and must contain the Payer Id or the email address of the
// merchant.
SellerDetailsType sellerDetails1 = new SellerDetailsType();
sellerDetails1.PayPalAccountID = "*****@*****.**";
paymentDetails1.SellerDetails = sellerDetails1;
// A unique identifier of the specific payment request, which is
// required for parallel payments.
paymentDetails1.PaymentRequestID = "PaymentRequest1";
// `Address` to which the order is shipped, which takes mandatory params:
//
// * `Street Name`
// * `City`
// * `State`
// * `Country`
// * `Postal Code`
AddressType shipToAddress1 = new AddressType();
shipToAddress1.Street1 = "Ape Way";
shipToAddress1.CityName = "Austin";
shipToAddress1.StateOrProvince = "TX";
shipToAddress1.Country = CountryCodeType.US;
shipToAddress1.PostalCode = "78750";
paymentDetails1.ShipToAddress = shipToAddress1;
// IPN URL
// * PayPal Instant Payment Notification is a call back system that is initiated when a transaction is completed
// * The transaction related IPN variables will be received on the call back URL specified in the request
// * The IPN variables have to be sent back to the PayPal system for validation, upon validation PayPal will send a response string "VERIFIED" or "INVALID"
// * PayPal would continuously resend IPN if a wrong IPN is sent
paymentDetails1.NotifyURL = "http://IPNhost";
// information about the second payment
PaymentDetailsType paymentDetails2 = new PaymentDetailsType();
// Total cost of the transaction to the buyer. If shipping cost and tax
// charges are known, include them in this value. If not, this value
// should be the current sub-total of the order.
//
// If the transaction includes one or more one-time purchases, this field must be equal to
// the sum of the purchases. Set this field to 0 if the transaction does
// not include a one-time purchase such as when you set up a billing
// agreement for a recurring payment that is not immediately charged.
// When the field is set to 0, purchase-specific fields are ignored.
//
// * `Currency Code` - You must set the currencyID attribute to one of the
// 3-character currency codes for any of the supported PayPal
// currencies.
// * `Amount`
BasicAmountType orderTotal2 = new BasicAmountType(CurrencyCodeType.USD, "4.00");
paymentDetails2.OrderTotal = orderTotal2;
// How you want to obtain payment. When implementing parallel payments,
// this field is required and must be set to `Order`. When implementing
// digital goods, this field is required and must be set to `Sale`. If the
// transaction does not include a one-time purchase, this field is
// ignored. It is one of the following values:
//
// * `Sale` - This is a final sale for which you are requesting payment
// (default).
// * `Authorization` - This payment is a basic authorization subject to
// settlement with PayPal Authorization and Capture.
// * `Order` - This payment is an order authorization subject to
// settlement with PayPal Authorization and Capture.
// `Note:
// You cannot set this field to Sale in SetExpressCheckout request and
// then change the value to Authorization or Order in the
// DoExpressCheckoutPayment request. If you set the field to
// Authorization or Order in SetExpressCheckout, you may set the field
// to Sale.`
paymentDetails2.PaymentAction = PaymentActionCodeType.ORDER;
// Unique identifier for the merchant. For parallel payments, this field
// is required and must contain the Payer Id or the email address of the
// merchant.
SellerDetailsType sellerDetails2 = new SellerDetailsType();
sellerDetails2.PayPalAccountID = "*****@*****.**";
paymentDetails2.SellerDetails = sellerDetails2;
// A unique identifier of the specific payment request, which is
// required for parallel payments.
paymentDetails2.PaymentRequestID = "PaymentRequest2";
// IPN URL
// * PayPal Instant Payment Notification is a call back system that is initiated when a transaction is completed
// * The transaction related IPN variables will be received on the call back URL specified in the request
// * The IPN variables have to be sent back to the PayPal system for validation, upon validation PayPal will send a response string "VERIFIED" or "INVALID"
// * PayPal would continuously resend IPN if a wrong IPN is sent
paymentDetails2.NotifyURL = "http://IPNhost";
// `Address` to which the order is shipped, which takes mandatory params:
//
// * `Street Name`
// * `City`
// * `State`
// * `Country`
// * `Postal Code`
AddressType shipToAddress2 = new AddressType();
shipToAddress2.Street1 = "Ape Way";
shipToAddress2.CityName = "Austin";
shipToAddress2.StateOrProvince = "TX";
shipToAddress2.Country = CountryCodeType.US;
shipToAddress2.PostalCode = "78750";
paymentDetails2.ShipToAddress = shipToAddress2;
paymentDetailsList.Add(paymentDetails1);
paymentDetailsList.Add(paymentDetails2);
setExpressCheckoutRequestDetails.PaymentDetails = paymentDetailsList;
SetExpressCheckoutReq setExpressCheckout = new SetExpressCheckoutReq();
SetExpressCheckoutRequestType setExpressCheckoutRequest = new SetExpressCheckoutRequestType(setExpressCheckoutRequestDetails);
setExpressCheckout.SetExpressCheckoutRequest = setExpressCheckoutRequest;
// Create the service wrapper object to make the API call
PayPalAPIInterfaceServiceService service = new PayPalAPIInterfaceServiceService();
// # API call
// Invoke the SetExpressCheckout method in service wrapper object
responseSetExpressCheckoutResponseType = service.SetExpressCheckout(setExpressCheckout);
if (responseSetExpressCheckoutResponseType != null)
{
// Response envelope acknowledgement
string acknowledgement = "SetExpressCheckout API Operation - ";
acknowledgement += responseSetExpressCheckoutResponseType.Ack.ToString();
logger.Info(acknowledgement + "\n");
Console.WriteLine(acknowledgement + "\n");
// # Success values
if (responseSetExpressCheckoutResponseType.Ack.ToString().Trim().ToUpper().Equals("SUCCESS"))
{
// # Redirecting to PayPal for authorization
// Once you get the "Success" response, needs to authorise the
// transaction by making buyer to login into PayPal. For that,
// need to construct redirect url using EC token from response.
// For example,
// `redirectURL="https://www.sandbox.paypal.com/cgi-bin/webscr?cmd=_express-checkout&token="+setExpressCheckoutResponse.Token;`
// Express Checkout Token
logger.Info("Express Checkout Token : " + responseSetExpressCheckoutResponseType.Token + "\n");
Console.WriteLine("Express Checkout Token : " + responseSetExpressCheckoutResponseType.Token + "\n");
}
// # Error Values
else
{
List<ErrorType> errorMessages = responseSetExpressCheckoutResponseType.Errors;
foreach (ErrorType error in errorMessages)
{
logger.Debug("API Error Message : " + error.LongMessage);
Console.WriteLine("API Error Message : " + error.LongMessage + "\n");
}
}
}
}
// # Exception log
catch (System.Exception ex)
{
// Log the exception message
logger.Debug("Error Message : " + ex.Message);
Console.WriteLine("Error Message : " + ex.Message);
}
return responseSetExpressCheckoutResponseType;
}
