<?php
/**
 * Ajax requests linked with shortcodes.
 * 
 * @author Paul Kashtanoff <paul@byonepress.com>
 * @copyright (c) 2014, OnePress Ltd
 * 
 * @package core 
 * @since 1.0.0
 */

add_action('wp_ajax_opanda_loader', 'onp_sl_load_ajax_content');
add_action('wp_ajax_nopriv_opanda_loader', 'onp_sl_load_ajax_content');
  
/**
 * Returns content of a locker shortcode.
 * 
 * @since 1.0.0
 * @return void
 */
function onp_sl_load_ajax_content() {

    $hash = isset( $_POST['hash'] ) ? $_POST['hash'] : null;
    $lockerId = isset( $_POST['lockerId'] ) ? intval( $_POST['lockerId'] ) : 0;

    if (empty($hash) || empty($lockerId)) return;
    
    global $wpdb;
    
    $content = $wpdb->get_var( $wpdb->prepare( 
        "SELECT meta_value FROM $wpdb->postmeta WHERE meta_key = %s", 
        'opanda_locker_content_hash_' . $hash
    ));
    
    $content = apply_filters('opanda_ajax_content', $content);
    
    echo $content;
    exit;
}