forked from GNUsocial/gnu-social
255 lines
7.5 KiB
PHP
255 lines
7.5 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* Add a new group
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*
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* PHP version 5
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*
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* LICENCE: This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category Group
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* @package StatusNet
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* @author Evan Prodromou <evan@controlyourself.ca>
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* @author Sarven Capadisli <csarven@controlyourself.ca>
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* @copyright 2008-2009 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://laconi.ca/
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*/
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if (!defined('LACONICA')) {
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exit(1);
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}
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/**
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* Add a new group
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*
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* This is the form for adding a new group
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*
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* @category Group
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* @package StatusNet
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* @author Evan Prodromou <evan@controlyourself.ca>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://laconi.ca/
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*/
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class NewgroupAction extends Action
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{
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var $msg;
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function title()
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{
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return _('New group');
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}
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/**
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* Prepare to run
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*/
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function prepare($args)
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{
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parent::prepare($args);
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if (!common_config('inboxes','enabled')) {
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$this->serverError(_('Inboxes must be enabled for groups to work'));
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return false;
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}
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if (!common_logged_in()) {
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$this->clientError(_('You must be logged in to create a group.'));
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return false;
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}
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return true;
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}
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/**
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* Handle the request
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*
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* On GET, show the form. On POST, try to save the group.
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*
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* @param array $args unused
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*
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* @return void
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*/
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function handle($args)
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{
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parent::handle($args);
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if ($_SERVER['REQUEST_METHOD'] == 'POST') {
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$this->trySave();
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} else {
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$this->showForm();
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}
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}
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function showForm($msg=null)
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{
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$this->msg = $msg;
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$this->showPage();
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}
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function showContent()
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{
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$form = new GroupEditForm($this);
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$form->show();
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}
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function showPageNotice()
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{
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if ($this->msg) {
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$this->element('p', 'error', $this->msg);
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} else {
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$this->element('p', 'instructions',
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_('Use this form to create a new group.'));
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}
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}
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function trySave()
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{
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$nickname = $this->trimmed('nickname');
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$fullname = $this->trimmed('fullname');
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$homepage = $this->trimmed('homepage');
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$description = $this->trimmed('description');
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$location = $this->trimmed('location');
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$aliasstring = $this->trimmed('aliases');
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if (!Validate::string($nickname, array('min_length' => 1,
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'max_length' => 64,
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'format' => NICKNAME_FMT))) {
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$this->showForm(_('Nickname must have only lowercase letters '.
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'and numbers and no spaces.'));
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return;
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} else if ($this->nicknameExists($nickname)) {
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$this->showForm(_('Nickname already in use. Try another one.'));
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return;
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} else if (!User_group::allowedNickname($nickname)) {
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$this->showForm(_('Not a valid nickname.'));
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return;
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} else if (!is_null($homepage) && (strlen($homepage) > 0) &&
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!Validate::uri($homepage,
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array('allowed_schemes' =>
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array('http', 'https')))) {
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$this->showForm(_('Homepage is not a valid URL.'));
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return;
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} else if (!is_null($fullname) && mb_strlen($fullname) > 255) {
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$this->showForm(_('Full name is too long (max 255 chars).'));
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return;
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} else if (!is_null($description) && mb_strlen($description) > 140) {
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$this->showForm(_('description is too long (max 140 chars).'));
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return;
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} else if (!is_null($location) && mb_strlen($location) > 255) {
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$this->showForm(_('Location is too long (max 255 chars).'));
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return;
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}
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if (!empty($aliasstring)) {
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$aliases = array_map('common_canonical_nickname', array_unique(preg_split('/[\s,]+/', $aliasstring)));
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} else {
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$aliases = array();
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}
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if (count($aliases) > common_config('group', 'maxaliases')) {
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$this->showForm(sprintf(_('Too many aliases! Maximum %d.'),
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common_config('group', 'maxaliases')));
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return;
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}
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foreach ($aliases as $alias) {
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if (!Validate::string($alias, array('min_length' => 1,
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'max_length' => 64,
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'format' => NICKNAME_FMT))) {
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$this->showForm(sprintf(_('Invalid alias: "%s"'), $alias));
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return;
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}
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if ($this->nicknameExists($alias)) {
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$this->showForm(sprintf(_('Alias "%s" already in use. Try another one.'),
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$alias));
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return;
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}
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// XXX assumes alphanum nicknames
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if (strcmp($alias, $nickname) == 0) {
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$this->showForm(_('Alias can\'t be the same as nickname.'));
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return;
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}
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}
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$cur = common_current_user();
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// Checked in prepare() above
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assert(!is_null($cur));
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$group = new User_group();
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$group->query('BEGIN');
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$group->nickname = $nickname;
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$group->fullname = $fullname;
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$group->homepage = $homepage;
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$group->description = $description;
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$group->location = $location;
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$group->created = common_sql_now();
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$result = $group->insert();
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if (!$result) {
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common_log_db_error($group, 'INSERT', __FILE__);
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$this->serverError(_('Could not create group.'));
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}
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$result = $group->setAliases($aliases);
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if (!$result) {
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$this->serverError(_('Could not create aliases.'));
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}
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$member = new Group_member();
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$member->group_id = $group->id;
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$member->profile_id = $cur->id;
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$member->is_admin = 1;
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$member->created = $group->created;
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$result = $member->insert();
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if (!$result) {
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common_log_db_error($member, 'INSERT', __FILE__);
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$this->serverError(_('Could not set group membership.'));
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}
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$group->query('COMMIT');
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common_redirect($group->homeUrl(), 303);
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}
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function nicknameExists($nickname)
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{
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$group = User_group::staticGet('nickname', $nickname);
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if (!empty($group)) {
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return true;
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}
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$alias = Group_alias::staticGet('alias', $nickname);
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if (!empty($alias)) {
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return true;
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}
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return false;
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}
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}
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