Polls::vote PHP Method

    public function vote($pollId, $choise)
    {
        if ($choise < 0 || $choise > 19 && $choise != 255) {
            throw new Exception(L::get("POLLS_ILLEGAL_CHOISE"), 412);
        }
        $sth = $this->db->prepare("SELECT COUNT(*) FROM `pollanswers` WHERE `userid` = ? AND `pollid` = ?");
        $sth->bindValue(1, $this->user->getId(), PDO::PARAM_INT);
        $sth->bindParam(2, $pollId, PDO::PARAM_INT);
        $sth->execute();
        $res = $sth->fetch();
        if ($res[0] == 1) {
            throw new Exception(L::get("POLLS_ALREADY_VOTED"), 409);
        }
        $sth = $this->db->prepare("INSERT INTO pollanswers(pollid, userid, selection, class, alder) VALUES(?, ?, ?, ?, ?)");
        $sth->bindParam(1, $pollId, PDO::PARAM_INT);
        $sth->bindValue(2, $this->user->getId(), PDO::PARAM_INT);
        $sth->bindParam(3, $choise, PDO::PARAM_INT);
        $sth->bindValue(4, $this->user->getClass(), PDO::PARAM_INT);
        $sth->bindValue(5, $this->user->getAge(), PDO::PARAM_INT);
        $sth->execute();
    }

     break;
 case validateRoute('DELETE', 'faq/\\d+'):
     $faq = new Faq($db, $user);
     httpResponse($faq->delete($params[1]));
     break;
 case validateRoute('GET', 'polls'):
     $polls = new Polls($db, $user);
     httpResponse($polls->query());
     break;
 case validateRoute('GET', 'polls/latest'):
     $polls = new Polls($db, $user);
     httpResponse($polls->getLatest());
     break;
 case validateRoute('POST', 'polls/votes/\\d+'):
     $polls = new Polls($db, $user);
     httpResponse($polls->vote($params[2], (int) $postdata["choise"]));
     break;
 case validateRoute('POST', 'polls'):
     $forum = new Forum($db, $user);
     $polls = new Polls($db, $user, $forum);
     $polls->create($postdata);
     httpResponse();
     break;
 case validateRoute('PATCH', 'polls/\\d+'):
     $polls = new Polls($db, $user);
     $polls->update($params[1], $postdata);
     httpResponse();
     break;
 case validateRoute('DELETE', 'polls/\\d+'):
     $polls = new Polls($db, $user);
     $polls->delete($params[1], $postdata);