public function getReadablePath(Topic $topic, $locale = null)
{
$pathQuery = $this->getPathQuery($topic);
if (!$locale) {
$locale = $this->getTranslatableTopicLocale($topic);
}
$this->setTranslatableHint($pathQuery, $locale);
$path = $pathQuery->getArrayResult();
$pathStr = '';
foreach ($path as $element) {
$pathStr = $pathStr . ' / ' . $element['title'];
}
return $pathStr;
}