function prepare_items()
 {
     $per_page = $this->get_items_per_page(static::PER_PAGE_OPTION, static::PER_PAGE_DEFAULT);
     $current_page = $this->get_pagenum();
     $orderby = isset($_REQUEST['orderby']) ? $_REQUEST['orderby'] : 'title';
     $order = isset($_REQUEST['order']) ? $_REQUEST['order'] : 'desc';
     $offset = ($current_page - 1) * $per_page;
     $limit = $per_page;
     $game_id = $_REQUEST['game_id'];
     $args = array('id' => 'all', 'game_id' => $game_id, 'order' => $order, 'orderby' => $orderby, 'order' => $order, 'limit' => $limit, 'offset' => $limit * ($current_page - 1));
     $maps = \WP_Clanwars\Maps::get_map($args);
     $pagination = $maps->get_pagination();
     $this->set_pagination_args(array('total_pages' => $pagination->get_num_pages(), 'total_items' => $pagination->get_num_rows(), 'per_page' => $per_page));
     $this->items = $maps->getArrayCopy();
 }
 function on_ajax_get_maps()
 {
     if (!\WP_Clanwars\ACL::user_can('manage_games') && !\WP_Clanwars\ACL::user_can('manage_matches')) {
         wp_die(__('Cheatin’ uh?'));
     }
     $game_id = isset($_POST['game_id']) ? (int) $_POST['game_id'] : 0;
     if ($game_id > 0) {
         $maps = \WP_Clanwars\Maps::get_map(array('game_id' => $game_id, 'order' => 'asc', 'orderby' => 'title'));
         for ($i = 0; $i < sizeof($maps); $i++) {
             $url = wp_get_attachment_thumb_url($maps[$i]->screenshot);
             $maps[$i]->screenshot_url = !empty($url) ? $url : '';
         }
         echo json_encode($maps);
         die;
     }
 }