TopicController::articlesAction PHP Method

    public function articlesAction()
    {
        $em = \Zend_Registry::get('container')->get('em');
        $topicId = $this->_getParam('id');
        $gimme = CampTemplate::singleton()->context();
        $language = $em->getRepository('Newscoop\\Entity\\Language')->findOneByCode($this->_getParam('language'));
        $query = $em->getRepository('Newscoop\\NewscoopBundle\\Entity\\Topic')->getSingleTopicQuery($topicId, $language->getCode());
        $topic = $query->getOneOrNullResult();
        if (!$topic) {
            throw new \Exception('We can\'t find that topic');
        }
        $gimme->topic = new \MetaTopic($topic->getId());
        $this->view->topic = $gimme->topic;
    }