public function exists($category, $post)
    {
        $ds = DIRECTORY_SEPARATOR;
        $postPath = str_replace('/', $ds, $category.$ds.$post);

        $fullPostPath = app_path().$ds.'lablog'.$ds.$postPath.'.post';

        if ($this->fs->exists($fullPostPath)) {
            return true;
        }

        return false;
    }