class-ajax.php
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<?php
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
class WPF_AJAX {
public function __construct() {
add_action( 'wp_ajax_apply_tags', array( $this, 'apply_tags' ) );
add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_async_script' ) );
// AJAX handlers
add_action( 'wp_ajax_wpf_async', array( $this, 'process_async' ) );
add_action( 'wp_ajax_nopriv_wpf_async', array( $this, 'process_async' ) );
}
/**
* Applies tags to a given user via AJAX call
*
* @access public
* @return void
*/
public function apply_tags() {
$tags = $_POST['tags'];
$user_id = $_POST['user_id'];
wp_fusion()->user->apply_tags($tags, $user_id);
die();
}
/**
* Adds an asynchronous callback to the async queue
*
* @access public
* @return void
*/
public function async_add( $id, $args ) {
$wpf_async = get_option( 'wpf_async' );
if(empty($wpf_async))
$wpf_async = array();
$wpf_async[$id] = $args;
update_option( 'wpf_async', $wpf_async );
}
/**
* Enqueues async scripts if async actions detected
*
* @access public
* @return void
*/
public function enqueue_async_script() {
if( !get_option( 'wpf_async' ) )
return;
$wpf_async = get_option( 'wpf_async' );
wp_register_script( 'wpf-async', WPF_DIR_URL . '/assets/js/wpf-async.js', array('jquery'), WP_FUSION_VERSION );
wp_localize_script( 'wpf-async', 'wpf_async', array('ajaxurl' => admin_url( 'admin-ajax.php' ), 'hooks' => $wpf_async) );
wp_enqueue_script( 'wpf-async' );
delete_option( 'wpf_async' );
}
/**
* Processes async actions
*
* @access public
* @return void
*/
public function process_async() {
$callback = $_POST['data'];
// Add "doing async" override
$callback['args'][] = true;
$class = new $callback['class'];
call_user_func_array( array($class, $callback['function']), $callback['args'] );
die();
}
}