public function getChannelsAction()
    {
        $qb = $this->getQueryBuilder();
        $qb->select(ModuleController::SELECT_STATEMENT);
        $qb->from('CampaignChain\CoreBundle\Entity\ChannelModule', 'm');
        $qb->join('m.bundle', 'b');
        $qb->where('b.id = m.bundle');
        $qb->orderBy('m.identifier');
        $query = $qb->getQuery();

        return $this->response(
            $query->getResult(\Doctrine\ORM\Query::HYDRATE_ARRAY)
        );
    }