/tags/3.7.5 Beta 2/wp-shopping-cart.php

<?php
/*
Plugin Name:WP Shopping Cart
Plugin URI: http://www.instinct.co.nz
Description: A plugin that provides a WordPress Shopping Cart. Contact <a href='http://www.instinct.co.nz/?p=16#support'>Instinct Entertainment</a> for support.
Version: 3.7.5 Beta 2
Author: Instinct Entertainment
Author URI: http://www.instinct.co.nz/e-commerce/
*/
/**
 * WP eCommerce Main Plugin File
 * @package wp-e-commerce
*/
// this is to make sure it sets up the table name constants correctly on activation
global $wpdb;
define('WPSC_VERSION', '3.7');
define('WPSC_MINOR_VERSION', '35');

define('WPSC_PRESENTABLE_VERSION', '3.7.5 Beta 2');

define('WPSC_DEBUG', false);
define('WPSC_GATEWAY_DEBUG', false);

$v1 = str_replace(array('_','-','+'), '.', strtolower($wp_version));
$v1 = str_replace(array('alpha','beta','gamma'), array('a','b','g'), $v1);
$v1 = preg_split("/([a-z]+)/i",$v1,-1, PREG_SPLIT_DELIM_CAPTURE);
array_walk($v1, create_function('&$v', '$v = trim($v,". ");'));

define('IS_WP25', version_compare($v1[0], '2.5', '>='));
define('IS_WP27', version_compare($v1[0], '2.7', '>='));

// // we need to know where we are, rather than assuming where we are

//Define the path to the plugin folder
define('WPSC_FILE_PATH', dirname(__FILE__));
define('WPSC_DIR_NAME', basename(WPSC_FILE_PATH));

$siteurl = get_option('siteurl');

//Define the URL to the plugin folder
define('WPSC_FOLDER', dirname(plugin_basename(__FILE__)));
define('WPSC_URL', get_option('siteurl').'/wp-content/plugins/' . WPSC_FOLDER);

if(isset($wpdb->blogid)) {
    define('IS_WPMU', 1);
} else {
	define('IS_WPMU', 0);
}

// include the selected language file
if(get_option('language_setting') != '') {
  require(WPSC_FILE_PATH.'/languages/'.get_option('language_setting'));
} else {
  require(WPSC_FILE_PATH.'/languages/EN_en.php');
}




if(!empty($wpdb->prefix)) {
  $wp_table_prefix = $wpdb->prefix;
} else if(!empty($table_prefix)) {
  $wp_table_prefix = $table_prefix;
}

// Define the database table names
define('WPSC_TABLE_CATEGORY_TM', "{$wp_table_prefix}wpsc_category_tm");
define('WPSC_TABLE_ALSO_BOUGHT', "{$wp_table_prefix}wpsc_also_bought");
define('WPSC_TABLE_CART_CONTENTS', "{$wp_table_prefix}wpsc_cart_contents");
define('WPSC_TABLE_CART_ITEM_EXTRAS', "{$wp_table_prefix}wpsc_cart_item_extras");
define('WPSC_TABLE_CART_ITEM_VARIATIONS', "{$wp_table_prefix}wpsc_cart_item_variations");
define('WPSC_TABLE_CHECKOUT_FORMS', "{$wp_table_prefix}wpsc_checkout_forms");
define('WPSC_TABLE_CURRENCY_LIST', "{$wp_table_prefix}wpsc_currency_list");
define('WPSC_TABLE_DOWNLOAD_STATUS', "{$wp_table_prefix}wpsc_download_status");
define('WPSC_TABLE_ITEM_CATEGORY_ASSOC', "{$wp_table_prefix}wpsc_item_category_assoc");
define('WPSC_TABLE_PRODUCT_CATEGORIES', "{$wp_table_prefix}wpsc_product_categories");
define('WPSC_TABLE_PRODUCT_FILES', "{$wp_table_prefix}wpsc_product_files");
define('WPSC_TABLE_PRODUCT_IMAGES', "{$wp_table_prefix}wpsc_product_images");
define('WPSC_TABLE_PRODUCT_LIST', "{$wp_table_prefix}wpsc_product_list");
define('WPSC_TABLE_PRODUCT_ORDER', "{$wp_table_prefix}wpsc_product_order");
define('WPSC_TABLE_PRODUCT_RATING', "{$wp_table_prefix}wpsc_product_rating");
define('WPSC_TABLE_PRODUCT_VARIATIONS', "{$wp_table_prefix}wpsc_product_variations");
define('WPSC_TABLE_PURCHASE_LOGS', "{$wp_table_prefix}wpsc_purchase_logs");
define('WPSC_TABLE_PURCHASE_STATUSES', "{$wp_table_prefix}wpsc_purchase_statuses");
define('WPSC_TABLE_REGION_TAX', "{$wp_table_prefix}wpsc_region_tax");
define('WPSC_TABLE_SUBMITED_FORM_DATA', "{$wp_table_prefix}wpsc_submited_form_data");
define('WPSC_TABLE_VARIATION_ASSOC', "{$wp_table_prefix}wpsc_variation_assoc");
define('WPSC_TABLE_VARIATION_PROPERTIES', "{$wp_table_prefix}wpsc_variation_properties");
define('WPSC_TABLE_VARIATION_VALUES', "{$wp_table_prefix}wpsc_variation_values");
define('WPSC_TABLE_VARIATION_VALUES_ASSOC', "{$wp_table_prefix}wpsc_variation_values_assoc");
define('WPSC_TABLE_COUPON_CODES', "{$wp_table_prefix}wpsc_coupon_codes");
define('WPSC_TABLE_LOGGED_SUBSCRIPTIONS', "{$wp_table_prefix}wpsc_logged_subscriptions");
define('WPSC_TABLE_PRODUCTMETA', "{$wp_table_prefix}wpsc_productmeta");
define('WPSC_TABLE_CATEGORISATION_GROUPS', "{$wp_table_prefix}wpsc_categorisation_groups");
define('WPSC_TABLE_VARIATION_COMBINATIONS', "{$wp_table_prefix}wpsc_variation_combinations");
define('WPSC_TABLE_CLAIMED_STOCK', "{$wp_table_prefix}wpsc_claimed_stock");


// start including the rest of the plugin here
require_once(WPSC_FILE_PATH.'/wpsc-includes/wpsc_query.php');
require_once(WPSC_FILE_PATH.'/wpsc-includes/variations.class.php');
require_once(WPSC_FILE_PATH.'/wpsc-includes/ajax.functions.php');
require_once(WPSC_FILE_PATH.'/wpsc-includes/misc.functions.php');
require_once(WPSC_FILE_PATH.'/wpsc-includes/mimetype.php');
require_once(WPSC_FILE_PATH.'/wpsc-includes/cart.class.php');
require_once(WPSC_FILE_PATH.'/wpsc-includes/checkout.class.php');
require_once(WPSC_FILE_PATH.'/wpsc-includes/display.functions.php');
require_once(WPSC_FILE_PATH.'/wpsc-includes/theme.functions.php');
require_once(WPSC_FILE_PATH.'/wpsc-includes/shortcode.functions.php');
require_once(WPSC_FILE_PATH.'/wpsc-includes/coupons.class.php');
require_once(WPSC_FILE_PATH.'/wpsc-includes/purchaselogs.class.php');
include_once(WPSC_FILE_PATH."/wpsc-includes/category.functions.php");
include_once(WPSC_FILE_PATH."/wpsc-includes/processing.functions.php");
require_once(WPSC_FILE_PATH."/wpsc-includes/form-display.functions.php");
//exit(print_r($v1,true));
if($v1[0] >= 2.8){
	require_once(WPSC_FILE_PATH."/wpsc-includes/upgrades.php");
}

if (!IS_WP25) {
	require_once(WPSC_FILE_PATH.'/editor.php');
} else { 
	require_once(WPSC_FILE_PATH.'/js/tinymce3/tinymce.php');
}


/// OLD CODE INCLUDED HERE
include_once('wp-shopping-cart.old.php');

require_once(WPSC_FILE_PATH."/currency_converter.inc.php"); 
require_once(WPSC_FILE_PATH."/shopping_cart_functions.php"); 
require_once(WPSC_FILE_PATH."/homepage_products_functions.php"); 
require_once(WPSC_FILE_PATH."/transaction_result_functions.php"); 
// include_once(WPSC_FILE_PATH.'/submit_checkout_function.php');
require_once(WPSC_FILE_PATH."/admin-form-functions.php");
require_once(WPSC_FILE_PATH."/shipwire_functions.php"); 

/* widget_section */
include_once(WPSC_FILE_PATH.'/widgets/product_tag_widget.php');
include_once(WPSC_FILE_PATH.'/widgets/shopping_cart_widget.php');
include_once(WPSC_FILE_PATH.'/widgets/donations_widget.php');
include_once(WPSC_FILE_PATH.'/widgets/specials_widget.php');
include_once(WPSC_FILE_PATH.'/widgets/latest_product_widget.php');
include_once(WPSC_FILE_PATH.'/widgets/price_range_widget.php');
include_once(WPSC_FILE_PATH.'/widgets/admin_menu_widget.php');
//include_once(WPSC_FILE_PATH.'/widgets/api_key_widget.php');
 if (class_exists('WP_Widget')) {
	include_once(WPSC_FILE_PATH.'/widgets/category_widget.28.php');
} else {
	include_once(WPSC_FILE_PATH.'/widgets/category_widget.27.php');
}


include_once(WPSC_FILE_PATH.'/image_processing.php');


// if we are in the admin section, include the admin code
if(WP_ADMIN == true) {
	require_once(WPSC_FILE_PATH."/wpsc-admin/admin.php");
}


/**
* Code to define where the uploaded files are stored starts here
*/

if(IS_WPMU == 1) {
		$upload_url = get_option('siteurl').'/files';
		$upload_path = ABSPATH.get_option('upload_path');
} else {
	if ( !defined('WP_CONTENT_URL') ) {
		define( 'WP_CONTENT_URL', get_option('siteurl') . '/wp-content');
	}
	if ( !defined('WP_CONTENT_DIR') ) {
		define( 'WP_CONTENT_DIR', ABSPATH . 'wp-content');
	}
	
	$upload_path = WP_CONTENT_DIR."/uploads";
	$upload_url = WP_CONTENT_URL."/uploads";
}
	
$wpsc_upload_dir = "{$upload_path}/wpsc/";
$wpsc_file_dir = "{$wpsc_upload_dir}downloadables/";
$wpsc_preview_dir = "{$wpsc_upload_dir}previews/";
$wpsc_image_dir = "{$wpsc_upload_dir}product_images/";
$wpsc_thumbnail_dir = "{$wpsc_upload_dir}product_images/thumbnails/";
$wpsc_category_dir = "{$wpsc_upload_dir}category_images/";
$wpsc_user_uploads_dir = "{$wpsc_upload_dir}user_uploads/";
$wpsc_cache_dir = "{$wpsc_upload_dir}cache/";
$wpsc_upgrades_dir = "{$wpsc_upload_dir}upgrades/";
$wpsc_themes_dir = "{$wpsc_upload_dir}themes/";

define('WPSC_UPLOAD_DIR', $wpsc_upload_dir);
define('WPSC_FILE_DIR', $wpsc_file_dir);
define('WPSC_PREVIEW_DIR', $wpsc_preview_dir);
define('WPSC_IMAGE_DIR', $wpsc_image_dir);
define('WPSC_THUMBNAIL_DIR', $wpsc_thumbnail_dir);
define('WPSC_CATEGORY_DIR', $wpsc_category_dir);
define('WPSC_USER_UPLOADS_DIR', $wpsc_user_uploads_dir);
define('WPSC_CACHE_DIR', $wpsc_cache_dir);
define('WPSC_UPGRADES_DIR', $wpsc_upgrades_dir);
define('WPSC_THEMES_PATH', $wpsc_themes_dir);


/**
* files that are uploaded as part of digital products are not directly downloaded, therefore there is no need for a URL constant for them
*/
$wpsc_upload_url = "{$upload_url}/wpsc/";
$wpsc_preview_url = "{$wpsc_upload_url}previews/";
$wpsc_image_url = "{$wpsc_upload_url}product_images/";
$wpsc_thumbnail_url = "{$wpsc_upload_url}product_images/thumbnails/";
$wpsc_category_url = "{$wpsc_upload_url}category_images/";
$wpsc_user_uploads_url = "{$wpsc_upload_url}user_uploads/";
$wpsc_cache_url = "{$wpsc_upload_url}cache/";
$wpsc_upgrades_url = "{$wpsc_upload_url}upgrades/";
$wpsc_themes_url = "{$wpsc_upload_url}themes/";

define('WPSC_UPLOAD_URL', $wpsc_upload_url);
define('WPSC_PREVIEW_URL', $wpsc_preview_url);
define('WPSC_IMAGE_URL', $wpsc_image_url);
define('WPSC_THUMBNAIL_URL', $wpsc_thumbnail_url);
define('WPSC_CATEGORY_URL', $wpsc_category_url);
define('WPSC_USER_UPLOADS_URL', $wpsc_user_uploads_url);
define('WPSC_CACHE_URL', $wpsc_cache_url);
define('WPSC_UPGRADES_URL', $wpsc_upgrades_url);
define('WPSC_THEMES_URL', $wpsc_themes_url);



// if the gold cart file is present, include it, this must be done before the admin file is included
if(is_file(WPSC_UPGRADES_DIR . "gold_cart_files/gold_shopping_cart.php")) {
  require_once(WPSC_UPGRADES_DIR . "gold_cart_files/gold_shopping_cart.php");
}

//if there are any upgrades present, include them., thanks to nielo.info and lsdev.biz
if($v1[0] >= 2.8){
	$upgrades = get_upgrades();
	foreach ($upgrades as $path=>$upgrade) {
		$upgrade_file = WPSC_UPGRADES_DIR . '/' . $path;
		require_once($upgrade_file);
	}
}

include_once("install_and_update.php");
register_activation_hook(__FILE__, 'wpsc_install');



/**
* Code to define where the uploaded files are stored ends here
*/

if(!function_exists('wpsc_start_the_query')) {
	function wpsc_start_the_query() {
	  global $wp_query, $wpsc_query;
	  $wpsc_query = new WPSC_query();
	
		$post_id = $wp_query->post->ID;
		$page_url = get_permalink($post_id);
		if(get_option('shopping_cart_url') == $page_url) {
			$_SESSION['wpsc_has_been_to_checkout'] = true;
			//echo $_SESSION['wpsc_has_been_to_checkout'];
		}

	}
}

// after init and after when the wp query string is parsed but before anything is displayed
add_action('template_redirect', 'wpsc_start_the_query', 0);


/**
 * Check to see if the session exists, if not, start it
 */
if((!is_array($_SESSION)) xor (!isset($_SESSION['nzshpcrt_cart'])) xor (!$_SESSION)) {
  session_start();
}
if(!function_exists('wpsc_initialisation')){
	function wpsc_initialisation() {
	  global $wpsc_cart,  $wpsc_theme_path, $wpsc_theme_url, $wpsc_category_url_cache;
	  // set the theme directory constant
	
	  $uploads_dir = @opendir(WPSC_THEMES_PATH);
	  $file_names = array();
	  while(($file = @readdir($uploads_dir)) !== false) {
	    //echo "<br />test".WPSC_THEMES_PATH.$file;
	    if(is_dir(WPSC_THEMES_PATH.$file) && ($file != "..") && ($file != ".") && ($file != ".svn")){
				$file_names[] = $file;
	    }
	  }
	  if(count($file_names) > 0) {
			$wpsc_theme_path = WPSC_THEMES_PATH;
			$wpsc_theme_url = WPSC_THEMES_URL;
	  } else {
			$wpsc_theme_path = WPSC_FILE_PATH . "/themes/";
			$wpsc_theme_url = WPSC_URL. '/themes/';
	  }
	  //$theme_path = WPSC_FILE_PATH . "/themes/";
	  //exit(print_r($file_names,true));
		if((get_option('wpsc_selected_theme') == null) || (!file_exists($wpsc_theme_path.get_option('wpsc_selected_theme')))) {
			$theme_dir = 'default';
		} else {
			$theme_dir = get_option('wpsc_selected_theme');
		}
		define('WPSC_THEME_DIR', $theme_dir);
	  
	  // initialise the cart session, if it exist, unserialize it, otherwise make it
		if(isset($_SESSION['wpsc_cart'])) {
			if(is_object($_SESSION['wpsc_cart'])) {
				$GLOBALS['wpsc_cart'] = $_SESSION['wpsc_cart'];
			} else {
				$GLOBALS['wpsc_cart'] = unserialize($_SESSION['wpsc_cart']);
			}
			if(get_class($GLOBALS['wpsc_cart']) != "wpsc_cart") {
				$GLOBALS['wpsc_cart'] = new wpsc_cart;
			}
		} else {
			$GLOBALS['wpsc_cart'] = new wpsc_cart;
		}
	}
  $GLOBALS['wpsc_category_url_cache'] = get_option('wpsc_category_url_cache');

  
		register_taxonomy('product_tag', 'product');
}
// first plugin hook in wordpress
add_action('plugins_loaded','wpsc_initialisation', 0);


/**
 * This serializes the shopping cart variable as a backup in case the unserialized one gets butchered by various things
 */  
if(!function_exists('wpsc_serialize_shopping_cart')){
	function wpsc_serialize_shopping_cart() {
	  global $wpdb, $wpsc_start_time, $wpsc_cart, $wpsc_category_url_cache;
	  if(is_object($wpsc_cart)) {
			$wpsc_cart->errors = array();
	  }
	  $_SESSION['wpsc_cart'] = serialize($wpsc_cart);

		$previous_category_url_cache = get_option('wpsc_category_url_cache');
		if($wpsc_category_url_cache != $previous_category_url_cache) {
			update_option('wpsc_category_url_cache', $wpsc_category_url_cache);
		}
	  
	  /// Delete the old claims on stock
		$session_timeout = 60*60; // 180 * 60 = three hours in seconds
	  $old_claimed_stock_timestamp = time() - $session_timeout;
	  
	  $old_claimed_stock_timestamp = mktime((date('H') - 3), date('i'), date('s'), date('m'), date('d'), date('Y'));
	  $old_claimed_stock_datetime = date("Y-m-d H:i:s", $old_claimed_stock_timestamp);
	  //echo "$old_claimed_stock_timestamp <br /> DELETE FROM `".WPSC_TABLE_CLAIMED_STOCK."` WHERE `last_activity` < '{$old_claimed_stock_datetime}' AND `cart_submitted` IN ('0')";
	  $wpdb->query("DELETE FROM `".WPSC_TABLE_CLAIMED_STOCK."` WHERE `last_activity` < '{$old_claimed_stock_datetime}' AND `cart_submitted` IN ('0')");
	  return true;
	} 
} 
add_action('shutdown','wpsc_serialize_shopping_cart');
?>