public ActionResult Index(string orderReference, int amount)
{
PaypalExpressPart paypalExpressPart = _services.WorkContext.CurrentSite.As <PaypalExpressPart>();
// set the success and cancel urls
string baseUrl = "http://" + Request.Url.Authority + Request.Path;
paypalExpressPart.CancelUrl = baseUrl + "/Cancel";
paypalExpressPart.SuccessUrl = baseUrl + "/Success";
// retrieve the order from the repo
OrderPart order = _orderService.GetOrderByNumber(orderReference);
// call PaymentExpressService
PaypalExpressResult result = _paypalExpressServices.SetExpressCheckout(paypalExpressPart, order);
// log paypal transaction
_paypalTransactionService.LogTransaction(order, result);
if (string.Compare(result.Ack, "success", true) == 0)
{
// Redirect to PayPal
return(new RedirectResult(paypalExpressPart.AuthorizationUrl + "&token=" + result.Token));
}
// if we get here then we were unable to get a token from SetExpressCheckout
// advise user we have a technical problem, please try again/later
var shape = _services.New.UnableToContactPaypal(RedirectTo: "~/Cascade.WebShop/Checkout/Summary");
return(new ShapeResult(this, shape));
}
/// <summary>
/// Call the Paypal GetExpressCheckoutDetails API (https://www.x.com/developers/paypal/documentation-tools/api/getexpresscheckoutdetails-api-operation-nvp)
/// </summary>
/// <param name="paypalExpressPart">part</param>
/// <param name="token">Paypal token</param>
/// <returns>result containing token, ack and payerId</returns>
public PaypalExpressResult GetExpressCheckoutDetails(PaypalExpressPart paypalExpressPart, string token)
{
PaypalExpressResult result = new PaypalExpressResult {
Method = "GetExpressCheckoutDetails"
};
HttpWebRequest request = BuildGetDetailsRequest(paypalExpressPart, token);
using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
{
string[] lines = GetResponseLines(response);
result.Ack = GetValue(lines, "Ack").FirstOrDefault();
result.Token = GetValue(lines, "Token").FirstOrDefault();
result.PayerId = GetValue(lines, "PayerId").FirstOrDefault();
result.CorrelationId = GetValue(lines, "CORRELATIONID").FirstOrDefault();
// TODO: parse out useful information about the payer, address, etc
// and store somewhere: update the order? add to PaypalTransaction? customer?
if (string.Compare(result.Ack, "success", true) != 0)
{
ExtractErrors(lines, result);
}
}
return(result);
}
private void ExtractErrors(IEnumerable <string> lines, PaypalExpressResult result)
{
// log error messages
DateTime timestamp;
if (DateTime.TryParse(GetValue(lines, "TIMESTAMP").FirstOrDefault(), out timestamp))
{
result.Timestamp = timestamp;
}
result.ErrorCodes = string.Join("; ", GetValue(lines, "L_ERRORCODE").ToArray());
result.ShortMessages = string.Join("; ", GetValue(lines, "L_SHORTMESSAGE").ToArray());
result.LongMessages = string.Join("; ", GetValue(lines, "L_LONGMESSAGE").ToArray());
}
public void LogTransaction(OrderRecord order, PaypalExpressResult result)
{
TransactionRecord transaction = new TransactionRecord {
Token = result.Token,
Ack = result.Ack,
Method = result.Method,
OrderRecord_Id=order.Id,
DateTime=DateTime.Now,
Timestamp=result.Timestamp,
ErrorCodes=result.ErrorCodes,
ShortMessages=result.ShortMessages,
LongMessages=result.LongMessages
};
_paypalTransactions.Create(transaction);
}
public void LogTransaction(OrderPart order, PaypalExpressResult result)
{
TransactionRecord transaction = new TransactionRecord {
Token = result.Token,
Ack = result.Ack,
Method = result.Method,
OrderRecord_Id = order.Id,
DateTime = DateTime.Now,
Timestamp = result.Timestamp,
ErrorCodes = result.ErrorCodes,
ShortMessages = result.ShortMessages,
LongMessages = result.LongMessages
};
_paypalTransactions.Create(transaction);
}
/// <summary>
/// Call the Paypal SetExpressCheckout API (https://www.x.com/developers/paypal/documentation-tools/api/setexpresscheckout-api-operation-nvp)
/// </summary>
/// <param name="paypalExpressPart">part</param>
/// <param name="order">WebShop order</param>
/// <returns>result containing token and ack</returns>
public PaypalExpressResult SetExpressCheckout(PaypalExpressPart paypalExpressPart, OrderRecord order)
{
PaypalExpressResult result = new PaypalExpressResult { Method = "SetExpressCheckout" };
HttpWebRequest request = BuildSetRequest(paypalExpressPart, order);
using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
{
string[] lines = GetResponseLines(response);
result.Ack = GetValue(lines, "Ack").FirstOrDefault();
result.Token = GetValue(lines, "Token").FirstOrDefault();
result.CorrelationId = GetValue(lines, "CORRELATIONID").FirstOrDefault();
if (string.Compare(result.Ack, "success", true) != 0)
ExtractErrors(lines, result);
}
return result;
}
/// <summary>
/// Call the Paypal SetExpressCheckout API (https://www.x.com/developers/paypal/documentation-tools/api/setexpresscheckout-api-operation-nvp)
/// </summary>
/// <param name="paypalExpressPart">part</param>
/// <param name="order">WebShop order</param>
/// <returns>result containing token and ack</returns>
public PaypalExpressResult SetExpressCheckout(PaypalExpressPart paypalExpressPart, OrderPart order)
{
PaypalExpressResult result = new PaypalExpressResult {
Method = "SetExpressCheckout"
};
HttpWebRequest request = BuildSetRequest(paypalExpressPart, order);
using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
{
string[] lines = GetResponseLines(response);
result.Ack = GetValue(lines, "Ack").FirstOrDefault();
result.Token = GetValue(lines, "Token").FirstOrDefault();
result.CorrelationId = GetValue(lines, "CORRELATIONID").FirstOrDefault();
if (string.Compare(result.Ack, "success", true) != 0)
{
ExtractErrors(lines, result);
}
}
return(result);
}
/// <summary>
/// Call the Paypal GetExpressCheckoutDetails API (https://www.x.com/developers/paypal/documentation-tools/api/getexpresscheckoutdetails-api-operation-nvp)
/// </summary>
/// <param name="paypalExpressPart">part</param>
/// <param name="token">Paypal token</param>
/// <returns>result containing token, ack and payerId</returns>
public PaypalExpressResult GetExpressCheckoutDetails(PaypalExpressPart paypalExpressPart, string token)
{
PaypalExpressResult result = new PaypalExpressResult { Method = "GetExpressCheckoutDetails" };
HttpWebRequest request = BuildGetDetailsRequest(paypalExpressPart, token);
using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
{
string[] lines = GetResponseLines(response);
result.Ack = GetValue(lines, "Ack").FirstOrDefault();
result.Token = GetValue(lines, "Token").FirstOrDefault();
result.PayerId = GetValue(lines, "PayerId").FirstOrDefault();
result.CorrelationId = GetValue(lines, "CORRELATIONID").FirstOrDefault();
// TODO: parse out useful information about the payer, address, etc
// and store somewhere: update the order? add to PaypalTransaction? customer?
if (string.Compare(result.Ack, "success", true) != 0)
ExtractErrors(lines, result);
}
return result;
}
private void ExtractErrors(IEnumerable<string> lines, PaypalExpressResult result)
{
// log error messages
DateTime timestamp;
if (DateTime.TryParse(GetValue(lines, "TIMESTAMP").FirstOrDefault(), out timestamp))
result.Timestamp = timestamp;
result.ErrorCodes = string.Join("; ", GetValue(lines, "L_ERRORCODE").ToArray());
result.ShortMessages = string.Join("; ", GetValue(lines, "L_SHORTMESSAGE").ToArray());
result.LongMessages = string.Join("; ", GetValue(lines, "L_LONGMESSAGE").ToArray());
}
