public function findForSeller(Profile $seller)
    {
        $em = $this->getEntityManager();

        $q  = $em->createQuery('
                SELECT wm
                FROM HarvestCloudCoreBundle:SellerWindowMaker wm
                LEFT JOIN wm.sellerHubRef shr
                LEFT JOIN shr.hub h
                WHERE shr.seller = :seller
            ')
            ->setParameter('seller', $seller)
        ;

        return $q->getResult();
    }