protected function saving(Eloquent $content, array $input)
    {
        $content->setAttribute('title', $input['title']);
        $content->setAttribute('content', $input['content']);
        $content->setAttribute('slug', $input['slug']);
        $content->setAttribute('format', $input['format']);
        $content->setAttribute('status', $input['status']);

        $this->updatePublishedAt($content) && $content->setAttribute('published_at', Carbon::now());

        $content->save();
    }