/**
* Get a taxonomy by it's permalink.
*
* @param string $permalink
* @param null $locale
* @return \Exolnet\Taxonomy\Taxonomy|null
*/
public function getByPermalink($permalink, $locale = null)
{
$permalink = trim($permalink, '/');
return Taxonomy::whereTranslation('permalink', '=', $permalink, $locale)->first();
}
