263 lines
7.8 KiB
PHP
263 lines
7.8 KiB
PHP
<?php
|
|
/**
|
|
* Contains the main functions for WooCommerce, stores variables, and handles error messages
|
|
*
|
|
* @class woocommerce
|
|
* @package WooCommerce
|
|
* @category Class
|
|
* @author WooThemes
|
|
*/
|
|
class woocommerce {
|
|
|
|
private static $_instance;
|
|
private static $_cache;
|
|
|
|
public static $errors = array(); // Stores store errors
|
|
public static $messages = array(); // Stores store messages
|
|
public static $attribute_taxonomies; // Stores the attribute taxonomies used in the store
|
|
public static $plugin_url;
|
|
public static $plugin_path;
|
|
public static $query;
|
|
|
|
/** constructor */
|
|
private function __construct() {
|
|
|
|
// Vars
|
|
if (isset($_SESSION['errors'])) self::$errors = $_SESSION['errors'];
|
|
if (isset($_SESSION['messages'])) self::$messages = $_SESSION['messages'];
|
|
|
|
unset($_SESSION['messages']);
|
|
unset($_SESSION['errors']);
|
|
|
|
// Query vars
|
|
self::$query = array(
|
|
'unfiltered_product_ids' => array(), // Unfilted product ids (before layered nav etc)
|
|
'filtered_product_ids' => array(), // Filted product ids (after layered nav)
|
|
'post__in' => array(), // Product id's that match the layered nav + price filter
|
|
'meta_query' => '', // The meta query for the page
|
|
'layered_nav_post__in' => array(), // posts matching layered nav only
|
|
'layered_nav_product_ids' => array() // Stores posts matching layered nav, so price filter can find max price in view
|
|
);
|
|
|
|
// Hooks
|
|
add_filter('wp_redirect', array(&$this, 'redirect'), 1, 2);
|
|
}
|
|
|
|
/** get */
|
|
public static function get() {
|
|
if (!isset(self::$_instance)) {
|
|
$c = __CLASS__;
|
|
self::$_instance = new $c;
|
|
}
|
|
return self::$_instance;
|
|
}
|
|
|
|
/**
|
|
* Get attribute taxonomies
|
|
*/
|
|
public static function get_attribute_taxonomies() {
|
|
global $wpdb;
|
|
if (!self::$attribute_taxonomies) :
|
|
self::$attribute_taxonomies = $wpdb->get_results("SELECT * FROM ".$wpdb->prefix."woocommerce_attribute_taxonomies;");
|
|
endif;
|
|
return self::$attribute_taxonomies;
|
|
}
|
|
|
|
/**
|
|
* Get a product attributes name
|
|
*/
|
|
public static function attribute_name( $name ) {
|
|
return 'pa_'.sanitize_title($name);
|
|
}
|
|
|
|
/**
|
|
* Get a product attributes label
|
|
*/
|
|
public static function attribute_label( $name ) {
|
|
global $wpdb;
|
|
|
|
$name = $wpdb->prepare(sanitize_title($name));
|
|
|
|
$label = $wpdb->get_var("SELECT attribute_label FROM ".$wpdb->prefix."woocommerce_attribute_taxonomies WHERE attribute_name = '$name';");
|
|
|
|
if ($label) return $label; else return ucfirst($name);
|
|
}
|
|
|
|
/**
|
|
* Get the plugin url
|
|
*/
|
|
public static function plugin_url() {
|
|
if(self::$plugin_url) return self::$plugin_url;
|
|
|
|
if (is_ssl()) :
|
|
return self::$plugin_url = str_replace('http://', 'https://', WP_PLUGIN_URL) . "/" . plugin_basename( dirname(dirname(__FILE__)));
|
|
else :
|
|
return self::$plugin_url = WP_PLUGIN_URL . "/" . plugin_basename( dirname(dirname(__FILE__)));
|
|
endif;
|
|
}
|
|
|
|
/**
|
|
* Get the plugin path
|
|
*/
|
|
public static function plugin_path() {
|
|
if(self::$plugin_path) return self::$plugin_path;
|
|
return self::$plugin_path = WP_PLUGIN_DIR . "/" . plugin_basename( dirname(dirname(__FILE__)));
|
|
}
|
|
|
|
/**
|
|
* Return the URL with https if SSL is on
|
|
*/
|
|
public static function force_ssl( $url ) {
|
|
if (is_ssl()) $url = str_replace('http:', 'https:', $url);
|
|
return $url;
|
|
}
|
|
|
|
/**
|
|
* Get an image size
|
|
*
|
|
* Variable is filtered by woocommerce_get_image_size_{image_size}
|
|
*/
|
|
public static function get_image_size( $image_size ) {
|
|
$return = '';
|
|
switch ($image_size) :
|
|
case "shop_thumbnail_image_width" : $return = get_option('woocommerce_thumbnail_image_width'); break;
|
|
case "shop_thumbnail_image_height" : $return = get_option('woocommerce_thumbnail_image_height'); break;
|
|
case "shop_catalog_image_width" : $return = get_option('woocommerce_catalog_image_width'); break;
|
|
case "shop_catalog_image_height" : $return = get_option('woocommerce_catalog_image_height'); break;
|
|
case "shop_single_image_width" : $return = get_option('woocommerce_single_image_width'); break;
|
|
case "shop_single_image_height" : $return = get_option('woocommerce_single_image_height'); break;
|
|
endswitch;
|
|
return apply_filters( 'woocommerce_get_image_size_'.$image_size, $return );
|
|
}
|
|
|
|
/**
|
|
* Add an error
|
|
*/
|
|
function add_error( $error ) { self::$errors[] = $error; }
|
|
|
|
/**
|
|
* Add a message
|
|
*/
|
|
function add_message( $message ) { self::$messages[] = $message; }
|
|
|
|
/** Clear messages and errors from the session data */
|
|
function clear_messages() {
|
|
self::$errors = self::$messages = array();
|
|
unset($_SESSION['messages']);
|
|
unset($_SESSION['errors']);
|
|
}
|
|
|
|
/**
|
|
* Get error count
|
|
*/
|
|
function error_count() { return sizeof(self::$errors); }
|
|
|
|
/**
|
|
* Get message count
|
|
*/
|
|
function message_count() { return sizeof(self::$messages); }
|
|
|
|
/**
|
|
* Output the errors and messages
|
|
*
|
|
* @return bool
|
|
*/
|
|
public static function show_messages() {
|
|
|
|
if (isset(self::$errors) && sizeof(self::$errors)>0) :
|
|
echo '<div class="woocommerce_error">'.self::$errors[0].'</div>';
|
|
self::clear_messages();
|
|
return true;
|
|
elseif (isset(self::$messages) && sizeof(self::$messages)>0) :
|
|
echo '<div class="woocommerce_message">'.self::$messages[0].'</div>';
|
|
self::clear_messages();
|
|
return true;
|
|
else :
|
|
return false;
|
|
endif;
|
|
}
|
|
|
|
/**
|
|
* Return a nonce field
|
|
*/
|
|
public static function nonce_field ($action, $referer = true , $echo = true) { return wp_nonce_field('woocommerce-' . $action, '_n', $referer, $echo); }
|
|
|
|
/**
|
|
* Return a url with a nonce appended
|
|
*/
|
|
public static function nonce_url ($action, $url = '') { return add_query_arg( '_n', wp_create_nonce( 'woocommerce-' . $action ), $url); }
|
|
|
|
/**
|
|
* Check a nonce and sets woocommerce error in case it is invalid
|
|
* To fail silently, set the error_message to an empty string
|
|
*
|
|
* @param string $name the nonce name
|
|
* @param string $action then nonce action
|
|
* @param string $method the http request method _POST, _GET or _REQUEST
|
|
* @param string $error_message custom error message, or false for default message, or an empty string to fail silently
|
|
*
|
|
* @return bool
|
|
*/
|
|
public static function verify_nonce($action, $method='_POST', $error_message = false) {
|
|
|
|
$name = '_n';
|
|
$action = 'woocommerce-' . $action;
|
|
|
|
if( $error_message === false ) $error_message = __('Action failed. Please refresh the page and retry.', 'woothemes');
|
|
|
|
if(!in_array($method, array('_GET', '_POST', '_REQUEST'))) $method = '_POST';
|
|
|
|
if ( isset($_REQUEST[$name]) && wp_verify_nonce($_REQUEST[$name], $action) ) return true;
|
|
|
|
if( $error_message ) woocommerce::add_error( $error_message );
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
/**
|
|
* Redirection hook which stores messages into session data
|
|
*
|
|
* @param location
|
|
* @param status
|
|
* @return location
|
|
*/
|
|
function redirect( $location, $status ) {
|
|
$_SESSION['errors'] = self::$errors;
|
|
$_SESSION['messages'] = self::$messages;
|
|
return $location;
|
|
}
|
|
|
|
/**
|
|
* Shortcode cache
|
|
*/
|
|
static public function shortcode_wrapper($function, $atts=array()) {
|
|
if( $content = woocommerce::cache_get( $function . '-shortcode', $atts ) ) return $content;
|
|
|
|
ob_start();
|
|
call_user_func($function, $atts);
|
|
return woocommerce::cache( $function . '-shortcode', ob_get_clean(), $atts);
|
|
}
|
|
|
|
/**
|
|
* Cache API
|
|
*/
|
|
public static function cache ( $id, $data, $args=array() ) {
|
|
|
|
if( ! isset(self::$_cache[ $id ]) ) self::$_cache[ $id ] = array();
|
|
|
|
if( empty($args) ) self::$_cache[ $id ][0] = $data;
|
|
else self::$_cache[ $id ][ serialize($args) ] = $data;
|
|
|
|
return $data;
|
|
|
|
}
|
|
public static function cache_get ( $id, $args=array() ) {
|
|
|
|
if( ! isset(self::$_cache[ $id ]) ) return null;
|
|
|
|
if( empty($args) && isset(self::$_cache[ $id ][0]) ) return self::$_cache[ $id ][0];
|
|
elseif ( isset(self::$_cache[ $id ][ serialize($args) ] ) ) return self::$_cache[ $id ][ serialize($args) ];
|
|
|
|
}
|
|
} |