// Step 2.5
/// <summary>
/// Update our Order info with the info sent back to us from PayPal, based on the user's selections on the PayPal site.
/// </summary>
/// <param name="order"></param>
/// <param name="payPalToken"></param>
public void UpdateOrderWithExpressCheckoutDetails(Order order, string payPalToken)
{
Dictionary <string, string> fields = GetExpressCheckoutDetails(order, payPalToken);
string ack = fields.TryGetValueOrEmpty("ACK");
AckValues ackType = WA.Enum <AckValues> .TryParseOrDefault(ack, AckValues.Failure);
if (ackType == AckValues.Success || ackType == AckValues.SuccessWithWarning)
{
// parse response fields into variables
string firstName = fields.TryGetValueOrEmpty("FIRSTNAME");
string lastName = fields.TryGetValueOrEmpty("LASTNAME");
string email = fields.TryGetValueOrEmpty("EMAIL");
string payPalPayerId = fields.TryGetValueOrEmpty("PAYERID");
string shipToName = fields.TryGetValueOrEmpty("SHIPTONAME");
string shipAddress1 = fields.TryGetValueOrEmpty("SHIPTOSTREET");
string shipAddress2 = fields.TryGetValueOrEmpty("SHIPTOSTREET2");
string shipCity = fields.TryGetValueOrEmpty("SHIPTOCITY");
string shipRegion = fields.TryGetValueOrEmpty("SHIPTOSTATE");
string shipPostalCode = fields.TryGetValueOrEmpty("SHIPTOZIP");
string shipCountryCode = fields.TryGetValueOrEmpty("SHIPTOCOUNTRYCODE");
//decimal amount = WA.Parser.ToDecimal(fields.TryGetValueOrEmpty("AMT")).Value;
decimal shippingAmount = WA.Parser.ToDecimal(fields.TryGetValueOrEmpty("SHIPPINGAMT")).GetValueOrDefault(order.ShippingAmount.GetValueOrDefault(0));
//decimal handlingAmount = WA.Parser.ToDecimal(fields.TryGetValueOrEmpty("HANDLINGAMT")).GetValueOrDefault(0);
decimal taxAmount = WA.Parser.ToDecimal(fields.TryGetValueOrEmpty("TAXAMT")).GetValueOrDefault(order.TaxAmount.GetValueOrDefault(0));
// update the order fields with info from PayPal
order.CustomerFirstName = firstName;
order.CustomerLastName = lastName;
order.CustomerEmail = email;
order.ShipRecipientName = shipToName;
order.ShipAddress1 = shipAddress1;
order.ShipAddress2 = shipAddress2;
order.ShipCity = shipCity;
order.ShipRegion = shipRegion;
order.ShipPostalCode = shipPostalCode;
order.ShipCountryCode = shipCountryCode;
order.BillAddress1 = shipAddress1;
order.BillAddress2 = shipAddress2;
order.BillCity = shipCity;
order.BillRegion = shipRegion;
order.BillPostalCode = shipPostalCode;
order.BillCountryCode = shipCountryCode;
order.ShippingAmount = shippingAmount;
order.TaxAmount = taxAmount;
order.Save();
}
}
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);
}
// Step 2.
private Dictionary <string, string> GetExpressCheckoutDetails(Order order, string payPalToken)
{
// TODO - implement this so we can get and update the Tax, Shipping, etc. amounts for the order
Dictionary <string, string> vars = new Dictionary <string, string>();
vars["METHOD"] = "GetExpressCheckoutDetails";
vars["VERSION"] = "60.0";
vars["USER"] = ApiUsername;
vars["PWD"] = ApiPassword;
vars["SIGNATURE"] = ApiSignature;
vars["TOKEN"] = payPalToken;
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++;
}
// 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.TryGetValueOrEmpty("ACK");
AckValues ackType = WA.Enum <AckValues> .TryParseOrDefault(ack, AckValues.Failure);
PaymentTransaction newTransaction = new PaymentTransaction();
newTransaction.OrderId = order.Id;
newTransaction.PaymentProviderId = this.ProviderId;
newTransaction.GatewayUrl = ProviderUrl;
newTransaction.GatewayTransactionId = payPalToken;
newTransaction.GatewayResponse = vars["METHOD"] + ": " + ack;
newTransaction.GatewayDebugResponse = HttpUtility.UrlDecode(responseString);
//newTransaction.Amount = order.Total;
if (ackType == AckValues.Success || ackType == AckValues.SuccessWithWarning)
{
// nothing
}
else
{
newTransaction.GatewayError = ack + " Invalid / Unknown Response from Payment Provider";
}
newTransaction.Save();
return(fields);
}
// Step 1.
public string SetExpressCheckoutAndGetToken(Order order, string cancelUrl, string returnUrl)
{
Dictionary <string, string> vars = new Dictionary <string, string>();
vars["METHOD"] = "SetExpressCheckout";
vars["VERSION"] = "60.0";
vars["USER"] = ApiUsername;
vars["PWD"] = ApiPassword;
vars["SIGNATURE"] = ApiSignature;
vars["RETURNURL"] = returnUrl;
vars["CANCELURL"] = cancelUrl;
//vars["CUSTOM"] = order.Id.HasValue ? order.Id.Value.ToString().Left(256) : "";
//vars["INVNUM"] = order.Id.HasValue ? order.Id.Value.ToString().Left(127) : "";
vars["CUSTOM"] = order.OrderNumber.Left(256);
vars["INVNUM"] = order.OrderNumber.Left(127);
vars["PAYMENTACTION"] = "Sale";
vars["AMT"] = order.Total.Value.ToString("N2");
vars["CURRENCYCODE"] = order.UpToStoreByStoreId.Currency.Code;
if (order.HasNonEmptyShippingAddress())
{
// Address Override (for when user choose PayPal on the Payment Screen, instead of the "check out with paypal" button)
vars["ADDROVERRIDE"] = "1";
vars["SHIPTONAME"] = order.ShipRecipientName + (!string.IsNullOrEmpty(order.ShipRecipientBusinessName) ? " " + order.ShipRecipientBusinessName : "");
vars["SHIPTOSTREET"] = order.ShipAddress1;
vars["SHIPTOSTREET2"] = order.ShipAddress2;
vars["SHIPTOCITY"] = order.ShipCity;
vars["SHIPTOSTATE"] = order.ShipRegion;
vars["SHIPTOZIP"] = order.ShipPostalCode;
vars["SHIPTOCOUNTRYCODE"] = order.ShipCountryCode;
}
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++;
}
// 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");
//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.GatewayResponse = vars["METHOD"] + ": " + ack;
newTransaction.GatewayDebugResponse = HttpUtility.UrlDecode(responseString);
newTransaction.Amount = order.Total;
string token = "";
if (ackType == AckValues.Success || ackType == AckValues.SuccessWithWarning)
{
token = transactionId;
}
else
{
token = "";
newTransaction.GatewayError = ack + " Invalid / Unknown Response from Payment Provider";
}
newTransaction.Save();
return(token);
}
