static function get_rounds($match_id)
    {
        global $wpdb;
        return $wpdb->get_results($wpdb->prepare('SELECT t1.*, t2.title, t2.screenshot FROM `' . self::table() . '` AS t1
						 LEFT JOIN `' . \WP_Clanwars\Maps::table() . '` AS t2
						 ON t2.id = t1.map_id
						 WHERE t1.match_id=%d ORDER BY t1.id ASC, t1.group_n ASC', $match_id));
    }
 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;
     }
 }
 static function delete_game($id)
 {
     global $wpdb;
     $table = self::table();
     if (!is_array($id)) {
         $id = array($id);
     }
     $id = array_map('intval', $id);
     \WP_Clanwars\Maps::delete_map_by_game($id);
     \WP_Clanwars\Matches::delete_match_by_game($id);
     $id_list = implode(',', $id);
     return $wpdb->query("DELETE FROM `{$table}` WHERE id IN({$id_list})");
 }