public function getUserEventsDatasource(User $u)
{
$model = new Doctrine($this->participationDao->createQueryBuilder()->select("ep, ev.title AS title, ev.takePlaceSince as takePlaceSince, ev.takePlaceTill AS takePlaceTill, ev.eventType AS eventType")->add("from", EventParticipation::getClassName() . " ep LEFT JOIN ep.event ev")->where("ep.owner = :owner")->setParameter("owner", $u->getId()));
return $model;
}
