public function rss()
    {
        //This method works only for RSS
        is_true_or_fail($this->RequestHandler->prefers('rss'), ForbiddenException::class);

        $posts = $this->Posts->find('active')
            ->select(['title', 'preview', 'slug', 'text', 'created'])
            ->limit(getConfigOrFail('default.records_for_rss'))
            ->order([sprintf('%s.created', $this->Posts->getAlias()) => 'DESC'])
            ->cache('rss', $this->Posts->getCacheName());

        $this->set(compact('posts'));
    }