public function deleteShortUrls($user, $imageIdentifier, $shortUrlId = null)
{
$query = ['user' => $user, 'imageIdentifier' => $imageIdentifier];
if ($shortUrlId) {
$query['shortUrlId'] = $shortUrlId;
}
try {
$this->getShortUrlCollection()->remove($query);
} catch (MongoException $e) {
throw new DatabaseException('Unable to delete short URLs', 500, $e);
}
return true;
}