forked from GNUsocial/gnu-social
293 lines
8.8 KiB
PHP
293 lines
8.8 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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* Edit an existing 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@status.net>
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* @author Sarven Capadisli <csarven@status.net>
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* @author Zach Copley <zach@status.net>
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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://status.net/
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*/
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if (!defined('STATUSNET') && !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@status.net>
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* @author Zach Copley <zach@status.net>
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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://status.net/
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*/
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class EditgroupAction extends GroupDesignAction
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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 sprintf(_('Edit %s group'), $this->group->nickname);
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}
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/**
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* Prepare to run
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*/
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function prepare($args)
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{
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parent::prepare($args);
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if (!common_logged_in()) {
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$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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$nickname_arg = $this->trimmed('nickname');
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$nickname = common_canonical_nickname($nickname_arg);
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// Permanent redirect on non-canonical nickname
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if ($nickname_arg != $nickname) {
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$args = array('nickname' => $nickname);
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common_redirect(common_local_url('editgroup', $args), 301);
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return false;
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}
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if (!$nickname) {
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$this->clientError(_('No nickname'), 404);
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return false;
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}
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$groupid = $this->trimmed('groupid');
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if ($groupid) {
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$this->group = User_group::staticGet('id', $groupid);
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} else {
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$this->group = User_group::staticGet('nickname', $nickname);
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}
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if (!$this->group) {
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$this->clientError(_('No such group'), 404);
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return false;
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}
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$cur = common_current_user();
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if (!$cur->isAdmin($this->group)) {
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$this->clientError(_('You must be an admin to edit the group'), 403);
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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 showLocalNav()
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{
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$nav = new GroupNav($this, $this->group);
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$nav->show();
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}
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function showContent()
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{
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$form = new GroupEditForm($this, $this->group);
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$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 edit the group.'));
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}
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}
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function showScripts()
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{
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parent::showScripts();
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$this->autofocus('nickname');
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}
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function trySave()
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{
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$cur = common_current_user();
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if (!$cur->isAdmin($this->group)) {
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$this->clientError(_('You must be an admin to edit the group'), 403);
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return;
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}
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$nickname = common_canonical_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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$this->showForm(_('Full name is too long (max 255 chars).'));
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return;
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} else if (User_group::descriptionTooLong($description)) {
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$this->showForm(sprintf(_('description is too long (max %d chars).'), User_group::maxDescription()));
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return;
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} else if (!is_null($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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$this->group->query('BEGIN');
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$orig = clone($this->group);
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$this->group->nickname = $nickname;
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$this->group->fullname = $fullname;
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$this->group->homepage = $homepage;
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$this->group->description = $description;
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$this->group->location = $location;
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$result = $this->group->update($orig);
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if (!$result) {
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common_log_db_error($this->group, 'UPDATE', __FILE__);
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$this->serverError(_('Could not update group.'));
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}
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$result = $this->group->setAliases($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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$this->group->query('COMMIT');
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if ($this->group->nickname != $orig->nickname) {
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common_redirect(common_local_url('editgroup',
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array('nickname' => $nickname)),
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303);
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} else {
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$this->showForm(_('Options saved.'));
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}
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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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$group->id != $this->group->id) {
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return true;
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}
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$alias = Group_alias::staticGet('alias', $nickname);
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if (!empty($alias) &&
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$alias->group_id != $this->group->id) {
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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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