public static function findThreadsCount($id)
    {
        $cache = Podium::getInstance()->podiumCache->getElement('user.threadscount', $id);
        if ($cache === false) {
            $cache = (new Query)->from(Thread::tableName())->where(['author_id' => $id])->count();
            Podium::getInstance()->podiumCache->setElement('user.threadscount', $id, $cache);
        }
        return $cache;
    }