EventModel::doAddUser PHP Метод

    public function doAddUser($data, $allow)
    {
        $userDao = self::factoryModel('user');
        $optsDao = self::factoryModel('opts');
        //检查这个id是否存在
        if (false == ($event = $this->where('id =' . $data['id'])->find())) {
            return -1;
        }
        if ($data['action'] === 'joinIn') {
            //自动获取已填写的联系方式
            $contact_fields = M('user_set')->where('module=\'contact\'')->findAll();
            $contact_info = M('user_profile')->getField('data', "uid={$data['uid']} AND module='contact'");
            $contact_info = unserialize($contact_info);
            $need_fields = array('手机', 'QQ', 'MSN');
            foreach ($contact_fields as $field) {
                if (in_array($field['fieldname'], $need_fields) && !empty($contact_info[$field['fieldkey']])) {
                    $contacts .= $field['fieldname'] . ':' . $contact_info[$field['fieldkey']] . ' ';
                }
            }
        }
        //检查仅好友参与选项
        $opts = $optsDao->where('id=' . $event['optsId'])->find();
        $opt = unserialize($opts['opts']);
        $role = $this->checkMember($event['uid'], $opt, $data['uid']);
        //检查是否已经加入或者关注
        if ($userDao->hasUser($data['uid'], $data['id'], $data['action'])) {
            return -2;
        }
        //关注的话，再检查是否已经加入
        if ($data['action'] == 'attention' && $userDao->hasUser($data['uid'], $data['id'], 'joinIn')) {
            return -2;
        }
        $map = $data;
        $map['eventId'] = $data['id'];
        unset($map['id']);
        $map['cTime'] = time();
        $map['contact'] = $contacts;
        switch ($data['action']) {
            case 'attention':
                if (false === $opts['canAtt']) {
                    return -2;
                }
                if ($userDao->add($map)) {
                    $this->setInc('attentionCount', 'id=' . $map['eventId']);
                    return 1;
                } else {
                    return 0;
                }
                break;
            case 'joinIn':
                if (false === $role['canJoin']) {
                    return -2;
                }
                if (!$role['follow']) {
                    return 0;
                }
                $map['status'] = $opt['allow'] ? 0 : 1;
                //如果有关注的情况，直接更新为参与
                $temp_map['uid'] = $map['uid'];
                $temp_map['action'] = 'attention';
                $temp_map['eventId'] = $map['eventId'];
                if ($id = $userDao->where($temp_map)->getField('id')) {
                    if ($res = $userDao->where("id={$id}")->save($map)) {
                        $this->setDec('attentionCount', 'id=' . $map['eventId']);
                    }
                } else {
                    $res = $userDao->add($map);
                }
                if ($res) {
                    if ($map['status']) {
                        $this->setInc('joinCount', 'id=' . $map['eventId']);
                        $this->setDec('limitCount', 'id=' . $map['eventId']);
                        model('Credit')->setUserCredit($map['uid'], 'join_event');
                    }
                    return 1;
                } else {
                    return 0;
                }
                break;
            default:
                return -3;
        }
    }