Symfony & Doctrine Fun

DefaultController.php

$repository = $this->getDoctrine()
            ->getRepository('MainUserBundle:Feedback')
        ;
        $query = $repository->createQueryBuilder('f')
            ->where('f.trade = :trade')
            ->andWhere('f.user = :user OR f.fromUser = :fromuser')
            ->setParameter('trade', $trade)
            ->setParameter('user', $this->getUser())
            ->setParameter('fromuser', $this->getUser())
            ->getQuery()
        ;

        $feedback = $query->getResult();