public function update(GenericEvent $event)
{
$params = $event->getArguments();
$user = array_key_exists('user', $params) ? $params['user'] : null;
unset($params['user']);
$this->getRepository()->save(new CommunityTickerEvent(), array('event' => $event->getName(), 'user' => $user, 'params' => $params));
}