<?php

require_once ("paypalfunctions.php");
// ==================================
// PayPal Express Checkout Module
// ==================================

//'------------------------------------
//' The paymentAmount is the total value of 
//' the shopping cart, that was set 
//' earlier in a session variable 
//' by the shopping cart page
//'------------------------------------

//$paymentAmount = $_POST["Payment_Amount"];
//$paymentAmount = $_SESSION["Payment_Amount"];
$_SESSION["Payment_Amount"] = 1;

//'------------------------------------
//' The currencyCodeType and paymentType 
//' are set to the selections made on the Integration Assistant 
//'------------------------------------
$currencyCodeType = "USD";
$paymentType = "Sale";
#$paymentType = "Authorization";
#$paymentType = "Order";

//'------------------------------------
//' The returnURL is the location where buyers return to when a
//' payment has been succesfully authorized.
//'
//' This is set to the value entered on the Integration Assistant 
//'------------------------------------
$returnURL = "";

//'------------------------------------
//' The cancelURL is the location buyers are sent to when they hit the
//' cancel button during authorization of payment during the PayPal flow
//'
//' This is set to the value entered on the Integration Assistant 
//'------------------------------------
$cancelURL = "";

//'------------------------------------
//' Calls the SetExpressCheckout API call
//'
//' The CallShortcutExpressCheckout function is defined in the file PayPalFunctions.php,
//' it is included at the top of this file.
//'-------------------------------------------------
$resArray = CallShortcutExpressCheckout ($paymentAmount, $currencyCodeType, $paymentType, $returnURL, $cancelURL);

$ack = strtoupper($resArray["ACK"]);
if($ack=="SUCCESS" || $ack=="SUCCESSWITHWARNING")
{
	RedirectToPayPal ( $resArray["TOKEN"] );
} 
else  
{
	//Display a user friendly Error on the page using any of the following error information returned by PayPal
	$ErrorCode = urldecode($resArray["L_ERRORCODE0"]);
	$ErrorShortMsg = urldecode($resArray["L_SHORTMESSAGE0"]);
	$ErrorLongMsg = urldecode($resArray["L_LONGMESSAGE0"]);
	$ErrorSeverityCode = urldecode($resArray["L_SEVERITYCODE0"]);

	echo "SetExpressCheckout API call failed. ";
	echo "Detailed Error Message: " . $ErrorLongMsg;
	echo "Short Error Message: " . $ErrorShortMsg;
	echo "Error Code: " . $ErrorCode;
	echo "Error Severity Code: " . $ErrorSeverityCode;
}
