public CheckoutResult CheckoutWithPayPalExpressCheckout(Dictionary <string, string> payPalVariables)
{
string token = payPalVariables["token"];
string payerId = payPalVariables["PayerID"];
PayPalExpressCheckoutPaymentProvider payPalExpress = new PayPalExpressCheckoutPaymentProvider(storeContext.CurrentStore.GetPaymentProviderConfig(PaymentProviderName.PayPalExpressCheckout));
int? orderId = payPalExpress.GetOrderIdForTransactionToken(token);
Order pendingOrder = Order.GetOrder(orderId.GetValueOrDefault(-1));
if (pendingOrder != null)
{
PaymentStatusName paymentStatus = payPalExpress.DoExpressCheckoutPayment(pendingOrder, payPalVariables);
OrderStatusName orderStatus = pendingOrder.OrderStatus;
if (paymentStatus == PaymentStatusName.Completed)
{
orderStatus = OrderStatusName.Completed;
pendingOrder.CreditCardType = CreditCardType.PayPal.ToString();
}
UpdateOrderStatus(pendingOrder, orderStatus, paymentStatus);
}
return(DoPostCheckoutProcessing(pendingOrder, true));
}
internal void UpdateOrderStatus(Order order, OrderStatusName orderStatusName, PaymentStatusName paymentStatusName)
{
OrderStatusName oldOrderStatus = order.OrderStatus;
PaymentStatusName oldPaymentStatus = order.PaymentStatus;
order.PaymentStatus = paymentStatusName;
order.OrderStatus = orderStatusName;
//if (order.PaymentStatus == PaymentStatusName.Completed && !(order.OrderStatus == OrderStatusName.Paid || order.OrderStatus == OrderStatusName.Completed))
//{
// order.OrderStatus = OrderStatusName.Paid;
//}
order.Save();
if (oldPaymentStatus != paymentStatusName)
{
//--- Payment Status has changed...
if (paymentStatusName == PaymentStatusName.Completed && WA.Parser.ToBool(storeContext.CurrentStore.GetSetting(StoreSettingNames.SendPaymentCompleteEmail)).GetValueOrDefault(true))
{
// send "PaymentCompleted" email
EmailController emailController = new EmailController();
TokenHelper tokenHelper = new TokenHelper(storeContext);
Dictionary <string, string> emailTokens = tokenHelper.GetOrderTokens(order, true);
string emailResponse = emailController.SendEmailTemplate(EmailTemplateNames.PaymentCompleted, emailTokens, order.CustomerEmail, order.UpToStoreByStoreId);
}
}
if (oldOrderStatus != orderStatusName)
{
// TODO Order Status has changed... send emails ??
}
}
public CheckoutResult CheckoutWithOnSitePayment(CheckoutOrderInfo checkoutOrderInfo)
{
if (!checkoutOrderInfo.RequiresPayment)
{
checkoutOrderInfo.PaymentProvider = PaymentProviderName.None;
}
CheckoutOrderValidator checkoutOrderValidator = new CheckoutOrderValidator();
ValidationResult validationResult = checkoutOrderValidator.Validate(checkoutOrderInfo);
if (validationResult.IsValid)
{
Order pendingOrder = CreateOrder(checkoutOrderInfo, OrderStatusName.Processing);
if (checkoutOrderInfo.PaymentProvider != PaymentProviderName.None)
{
PaymentStatusName paymentStatus = pendingOrder.PaymentStatus;
if (pendingOrder.PaymentStatus != PaymentStatusName.Completed)
{
PaymentProvider paymentProcessor = PaymentProviderFactory.GetProvider(checkoutOrderInfo.PaymentProvider, storeContext.CurrentStore);
HttpWebResponse response = paymentProcessor.SubmitDirectPaymentRequest(pendingOrder, checkoutOrderInfo.CreditCard);
paymentStatus = paymentProcessor.ProcessDirectPaymentResponse(pendingOrder, response);
}
OrderStatusName orderStatus = (paymentStatus == PaymentStatusName.Completed) ? OrderStatusName.Processing : pendingOrder.OrderStatus;
UpdateOrderStatus(pendingOrder, orderStatus, paymentStatus);
pendingOrder.Save();
}
else
{
// does not require payment (free order / order total == 0)
UpdateOrderStatus(pendingOrder, OrderStatusName.Processing, PaymentStatusName.Completed);
}
return(DoPostCheckoutProcessing(pendingOrder, true));
}
else
{
// failed validation
return(new CheckoutResult()
{
SubmittedOrder = null,
Errors = validationResult.Errors.ToList().ConvertAll(e => e.ErrorMessage)
});
}
}
public CheckoutResult CheckoutWithPayPalStandardCheckout(HttpRequest request)
{
Order order = null;
PayPalStandardProvider payPalStandard = new PayPalStandardProvider(storeContext.CurrentStore.GetPaymentProviderConfig(PaymentProviderName.PayPalStandard));
int?orderId;
if (payPalStandard.IsIpnResponse(request, out orderId))
{
// user arrived here through a redirect from PayPal Checkout Page
// so we have "IPN" variables in the Request that we can process
order = new Order();
if (order.LoadByPrimaryKey(orderId.GetValueOrDefault(-1)))
{
Exceptions.LogException(new Exception("Loaded order"));
PaymentStatusName paymentStatus = payPalStandard.ProcessOffsitePaymentResponse(order, request);
Exceptions.LogException(new Exception("paymentStatus:" + paymentStatus));
OrderStatusName orderStatus = order.OrderStatus;
Exceptions.LogException(new Exception("orderStatus:" + orderStatus));
if (paymentStatus == PaymentStatusName.Completed)
{
orderStatus = OrderStatusName.Processing;
order.CreditCardType = CreditCardType.PayPal.ToString();
}
if (order.PaymentStatus != paymentStatus || order.OrderStatus != orderStatus)
{
Exceptions.LogException(new Exception("Updating Order Status"));
UpdateOrderStatus(order, orderStatus, paymentStatus);
Exceptions.LogException(new Exception("Updated Order Status"));
return(DoPostCheckoutProcessing(order, true));
}
return(DoPostCheckoutProcessing(order, false));
}
}
else
{
Exceptions.LogException(new Exception("NOT AN IPN RESPONSE!"));
}
return(null);
}
public override PaymentStatusName ProcessDirectPaymentResponse(Order order, HttpWebResponse response)
{
string responseString = HttpHelper.WebResponseToString(response);
// Decode the response fields from PayPal API
string[] encodedPairs = responseString.Split('&');
Dictionary <string, string> fields = new Dictionary <string, string>(encodedPairs.Length);
foreach (string field in encodedPairs)
{
string[] pair = field.Split('=');
string name = HttpUtility.UrlDecode(pair[0]);
string value = HttpUtility.UrlDecode(pair[1]);
fields[name] = value;
}
// parse response fields into variables
string ack = fields["ACK"];
AckValues ackType = WA.Enum <AckValues> .TryParseOrDefault(ack, AckValues.Failure);
int? orderId = WA.Parser.ToInt(fields.TryGetValueOrEmpty("CUSTOM"));
string transactionId = fields.TryGetValueOrEmpty("TRANSACTIONID");
decimal?amount = WA.Parser.ToDecimal(fields.TryGetValueOrEmpty("AMT"));
string error1Code = fields.TryGetValueOrEmpty("L_ERRORCODE0");
string error1ShortMsg = fields.TryGetValueOrEmpty("L_SHORTMESSAGE0");
string error1LongMsg = fields.TryGetValueOrEmpty("L_LONGMESSAGE0");
string error1Severity = fields.TryGetValueOrEmpty("L_SEVERITYCODE0");
PaymentTransaction newTransaction = new PaymentTransaction();
newTransaction.OrderId = order.Id;
newTransaction.PaymentProviderId = this.ProviderId;
newTransaction.GatewayUrl = ProviderUrl;
newTransaction.GatewayTransactionId = transactionId;
newTransaction.GatewayDebugResponse = HttpUtility.UrlDecode(responseString);
newTransaction.Amount = amount;
PaymentStatusName paymentStatus = order.PaymentStatus;
if (ackType == AckValues.Success || ackType == AckValues.SuccessWithWarning)
{
bool paymentAmountMatches = (amount.GetValueOrDefault(-1) == order.Total.Value);
if (paymentAmountMatches)
{
newTransaction.GatewayResponse = ackType.ToString();
paymentStatus = PaymentStatusName.Completed;
}
else
{
newTransaction.GatewayResponse = ackType.ToString() + " Amount from Payment Provider does not match the Order amount.";
paymentStatus = PaymentStatusName.Pending;
}
if (ackType == AckValues.SuccessWithWarning)
{
newTransaction.GatewayError = ackType.ToString() + string.Format(@" ErrorCode: {0}, ShortMsg: {1}, LongMsg: {2}, SeverityCode: {3}", error1Code, error1ShortMsg, error1LongMsg, error1Severity);
}
}
else if (ackType == AckValues.Failure || ackType == AckValues.FailureWithWarning || ackType == AckValues.Warning)
{
newTransaction.GatewayError = ackType.ToString() + string.Format(@" ErrorCode: {0}, ShortMsg: {1}, LongMsg: {2}, SeverityCode: {3}", error1Code, error1ShortMsg, error1LongMsg, error1Severity);
paymentStatus = PaymentStatusName.ProviderError;
}
else
{
newTransaction.GatewayError = ack + " Invalid / Unknown Response from Payment Provider";
paymentStatus = PaymentStatusName.ProviderError;
}
newTransaction.Save();
return(paymentStatus);
}
// Step 3.
public PaymentStatusName DoExpressCheckoutPayment(Order order, Dictionary <string, string> payPalVariables)
{
string token = payPalVariables["token"];
string payerId = payPalVariables["PayerID"];
Dictionary <string, string> vars = new Dictionary <string, string>();
vars["METHOD"] = "DoExpressCheckoutPayment";
vars["VERSION"] = "60.0";
vars["USER"] = ApiUsername;
vars["PWD"] = ApiPassword;
vars["SIGNATURE"] = ApiSignature;
vars["TOKEN"] = token;
vars["PAYERID"] = payerId;
IEnumerable <OrderItem> orderitems = order.OrderItemCollectionByOrderId;
int itemNumber = 0;
foreach (OrderItem orderItem in orderitems)
{
string orderItemAttributes = orderItem.GetProductFieldDataPlainTextDisplayString();
vars["L_NAME" + itemNumber] = orderItem.Name.Left(127);
vars["L_DESC" + itemNumber] = (!string.IsNullOrEmpty(orderItemAttributes) ? " (" + orderItemAttributes + ")" : "").Left(127);
vars["L_AMT" + itemNumber] = orderItem.PriceForSingleItem.ToString("N2");
vars["L_QTY" + itemNumber] = orderItem.Quantity.Value.ToString("N0");
vars["L_NUMBER" + itemNumber] = (!string.IsNullOrEmpty(orderItem.Sku) ? " (" + orderItem.Sku + ")" : "");
itemNumber++;
}
vars["PAYMENTACTION"] = "Sale";
vars["AMT"] = order.Total.Value.ToString("N2");
vars["CURRENCYCODE"] = order.UpToStoreByStoreId.Currency.Code;
// Send Http POST to PayPal
HttpWebResponse webResponse = HttpHelper.HttpPost(ProviderUrl, vars);
string responseString = HttpHelper.WebResponseToString(webResponse);
// Decode the response fields from PayPal API
Dictionary <string, string> fields = HttpHelper.DecodeVarsFromHttpString(responseString);
// parse response fields into variables
string ack = fields["ACK"];
AckValues ackType = WA.Enum <AckValues> .TryParseOrDefault(ack, AckValues.Failure);
string correlationId = fields.TryGetValueOrEmpty("CORRELATIONID");
string transactionId = fields.TryGetValueOrEmpty("TOKEN");
decimal?amount = WA.Parser.ToDecimal(fields.TryGetValueOrEmpty("AMT"));
decimal?taxAmount = WA.Parser.ToDecimal(fields.TryGetValueOrEmpty("TAXAMT"));
// TODO - do we need shipping amount too?
PaymentTransaction newTransaction = new PaymentTransaction();
newTransaction.OrderId = order.Id;
newTransaction.PaymentProviderId = this.ProviderId;
newTransaction.GatewayUrl = ProviderUrl;
newTransaction.GatewayTransactionId = transactionId;
newTransaction.GatewayResponse = vars["METHOD"] + ": " + ack;
newTransaction.GatewayDebugResponse = HttpUtility.UrlDecode(responseString);
PaymentStatusName paymentStatus = order.PaymentStatus;
if (ackType == AckValues.Success || ackType == AckValues.SuccessWithWarning)
{
bool paymentAmountMatches = (amount.GetValueOrDefault(-1) == order.Total.Value);
if (paymentAmountMatches)
{
paymentStatus = PaymentStatusName.Completed;
newTransaction.Amount = amount;
}
else
{
newTransaction.GatewayError = string.Format("Payment amount does not match Order Total. Order total {0:N2}. Payment amount {1:N2}", order.Total, amount);
if (amount >= order.Total)
{
paymentStatus = PaymentStatusName.Completed;
newTransaction.Amount = amount;
}
else
{
paymentStatus = PaymentStatusName.Pending;
}
}
}
else
{
newTransaction.GatewayError = ack + " Invalid / Unknown Response from Payment Provider";
paymentStatus = PaymentStatusName.ProviderError;
}
newTransaction.Save();
return(paymentStatus);
}
internal void UpdatePaymentStatus(Order order, PaymentStatusName paymentStatus)
{
UpdateOrderStatus(order, order.OrderStatus, paymentStatus);
}
public override PaymentStatusName ProcessDirectPaymentResponse(Order order, HttpWebResponse response)
{
// returned values are returned as a stream, then read into a string
string responseString = HttpHelper.WebResponseToString(response);
// the response string is broken into an array
// The split character specified here must match the delimiting character specified above
string[] fields = responseString.Split(fieldDelimiterChar);
ResponseCode responseCode = WA.Enum <ResponseCode> .TryParseOrDefault(fields[0], ResponseCode.Error);
string responseSubcode = fields[1];
int? responseReasonCode = WA.Parser.ToInt(fields[2]);
string responseReasonText = fields[3]; // could show this to the customer
string authorizationCode = fields[4];
string avsResponse = fields[5];
string transactionId = fields[6];
int? orderId = WA.Parser.ToInt(fields[7]); // "Invoice Number" in Auth.Net docs
string description = fields[8];
decimal?amount = WA.Parser.ToDecimal(fields[9]);
string method = fields[10];
string transactionType = fields[11];
string customerId = fields[12];
//.... fields omitted here....
string md5Hash = fields[37];
string cardCodeResponse = fields[38]; // result of CCV verification
string cavvResponse = fields[39]; // Cardholder Authentication Verification Response
// Custom Merchant-Defined Fields (Pg. 36/37 of Auth.Net Docs)
if (fields.Length >= 69) // custom fields start at position 69
{
// grab any add'l merchant-defined fields here...
}
PaymentTransaction newTransaction = new PaymentTransaction();
newTransaction.OrderId = order.Id;
newTransaction.PaymentProviderId = this.ProviderId;
newTransaction.GatewayUrl = ProviderUrl;
newTransaction.GatewayTransactionId = transactionId;
newTransaction.GatewayDebugResponse = responseString;
newTransaction.Amount = amount;
PaymentStatusName paymentStatus = order.PaymentStatus;
if (responseCode == ResponseCode.Approved)
{
bool paymentAmountMatches = (amount.GetValueOrDefault(-1) == order.Total.Value);
if (paymentAmountMatches)
{
newTransaction.GatewayResponse = "Approved";
paymentStatus = PaymentStatusName.Completed;
}
else
{
newTransaction.GatewayResponse = "Payment amount does not match the order amount.";
paymentStatus = PaymentStatusName.Pending;
}
}
else if (responseCode == ResponseCode.Declined)
{
newTransaction.GatewayError = string.Format("Payment was declined. {1} (Response Reason Code: {0}).", responseReasonCode, responseReasonText);
paymentStatus = PaymentStatusName.Denied;
}
else if (responseCode == ResponseCode.Error)
{
newTransaction.GatewayError = string.Format("{1} (Response Reason Code: {0}).", responseReasonCode, responseReasonText);
paymentStatus = PaymentStatusName.ProviderError;
}
else if (responseCode == ResponseCode.HeldForReview)
{
newTransaction.GatewayError = string.Format("Payment has been held for review by Authorize.Net. {1} (Response Reason Code: {0}).", responseReasonCode, responseReasonText);
paymentStatus = PaymentStatusName.Pending;
}
else
{
newTransaction.GatewayError = "Invalid / Unknown Response from Payment Provider";
paymentStatus = PaymentStatusName.ProviderError;
}
newTransaction.Save();
return(paymentStatus);
}
public override PaymentStatusName ProcessOffsitePaymentResponse(Order order, HttpRequest request)
{
//---- Need to validate the incoming request with PayPal so we know it's authentic
Dictionary <string, string> requestParams = HttpHelper.DecodeParamsFromHttpRequest(request);
string requestDataString = HttpHelper.EncodeVarsForHttpPostString(requestParams);
// send our modified request back to PayPal for validation
string postData = requestDataString + "&cmd=_notify-validate";
HttpWebResponse payPalResponse = HttpHelper.HttpPost(ProviderUrl, postData);
string payPalResponseString = HttpHelper.WebResponseToString(payPalResponse);
// Parse response into some variables
NameValueCollection fields = request.Params;
string paymentStatus = fields["payment_status"];
string transactionId = fields["txn_id"];
string receiverEmail = fields["receiver_email"];
string businessEmail = fields["business"];
int? orderId = WA.Parser.ToInt(fields["custom"]);
decimal?paymentAmount = WA.Parser.ToDecimal(fields["mc_gross"]); // amount before PayPal fee is subtracted
decimal?payPalTransactionFee = WA.Parser.ToDecimal(fields["mc_fee"]);
decimal shippingAmount = WA.Parser.ToDecimal(fields["mc_shipping"]).GetValueOrDefault(0);
decimal handlingAmount = WA.Parser.ToDecimal(fields["mc_handling"]).GetValueOrDefault(0);
decimal taxAmount = WA.Parser.ToDecimal(fields["tax"]).GetValueOrDefault(0);
string firstName = fields["first_name"] ?? "";
string lastName = fields["last_name"] ?? "";
string email = fields["payer_email"] ?? "";
string phone = fields["contact_phone"] ?? "";
string shipName = fields["address_name"] ?? "";
string shipAddress1 = fields["address_street"] ?? "";
string shipCity = fields["address_city"] ?? "";
string shipRegion = fields["address_state"] ?? "";
string shipPostalCode = fields["address_zip"] ?? "";
string shipCountryCode = fields["address_country_code"] ?? "";
PaymentStatusName paymentStatusName = order.PaymentStatus;
bool isValidReceiverEmail = (receiverEmail == EmailAddress) || (businessEmail == EmailAddress);
PaymentTransaction newTransaction = new PaymentTransaction();
newTransaction.OrderId = orderId;
newTransaction.PaymentProviderId = this.ProviderId;
newTransaction.GatewayUrl = ProviderUrl;
newTransaction.GatewayTransactionId = transactionId;
newTransaction.GatewayResponse = paymentStatus;
newTransaction.GatewayDebugResponse = requestDataString;
newTransaction.Amount = paymentAmount;
if (payPalResponseString != "VERIFIED")
{
newTransaction.GatewayError = "Invalid/Unknown response or response could not be validated as authentic";
newTransaction.Save();
return(PaymentStatusName.ProviderError);
}
if (!isValidReceiverEmail)
{
newTransaction.GatewayError = "Receiver Email does not match PayPal Account";
newTransaction.Save();
return(PaymentStatusName.ProviderError);
}
//Order pendingOrder = Order.GetOrder(orderId);
if (payPalResponseString == "VERIFIED")
{
// check if we have already processed this transaction successfully
// we might already have processed the IPN callback, and the user clicks "return to store"
// which would trigger another transaction
PaymentTransaction priorTransaction = PaymentTransaction.GetMostRecentByTransactionId(transactionId);
if (priorTransaction != null && priorTransaction.OrderId == orderId)
{
// we have a duplicate transaction, we should NOT process this new one
return(order.PaymentStatus);
}
//check the payment_status is Completed
bool paymentStatusComplete = (paymentStatus.ToLower() == "completed");
if (paymentAmount.GetValueOrDefault(-1) < order.Total.Value)
{
newTransaction.GatewayError = string.Format("Payment amount does not match Order Total. Order total {0:N2}. Payment amount {1:N2}", order.Total, paymentAmount);
newTransaction.Save();
return(PaymentStatusName.ProviderError);
}
//if (paymentStatusComplete && paymentAmountMatches && receiverEmailMatches)
if (paymentStatusComplete)
{
newTransaction.GatewayResponse = "Verified Payment Completed";
if (request.RawUrl.Contains("PayPalIpnHandler.aspx"))
{
newTransaction.GatewayResponse += " via IPN";
}
else if (request.RawUrl.Contains("Checkout-Complete.aspx"))
{
newTransaction.GatewayResponse += " via return button from PayPal";
}
paymentStatusName = PaymentStatusName.Completed;
//---- Update the Order
order.CustomerFirstName = firstName;
order.CustomerLastName = lastName;
order.CustomerEmail = email;
order.ShipRecipientName = shipName;
order.ShipAddress1 = shipAddress1;
//order.ShipAddress2 = shipAddress2;
order.ShipCity = shipCity;
order.ShipRegion = shipRegion;
order.ShipPostalCode = shipPostalCode;
order.ShipCountryCode = shipCountryCode;
order.ShipTelephone = phone;
order.BillAddress1 = shipAddress1;
//order.BillAddress2 = shipAddress2;
order.BillCity = shipCity;
order.BillRegion = shipRegion;
order.BillPostalCode = shipPostalCode;
order.BillCountryCode = shipCountryCode;
order.BillTelephone = phone;
// PayPal 'paymentAmount' is the total amount paid by customer
// so we need to do some basic math to get the other order amounts...
order.ShippingAmount = shippingAmount + handlingAmount;
order.TaxAmount = taxAmount;
order.SubTotal = paymentAmount - (order.ShippingAmount + order.TaxAmount);
order.Total = paymentAmount;
order.Save();
}
newTransaction.Save();
}
return(paymentStatusName);
}
