gnu-social/actions/newgroup.php

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<?php
/**
* StatusNet, the distributed open-source microblogging tool
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*
* Add a new group
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Group
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @author Sarven Capadisli <csarven@status.net>
* @copyright 2008-2009 StatusNet, Inc.
* @copyright 2013 Free Software Foundation, 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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*/
if (!defined('STATUSNET')) {
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exit(1);
}
/**
* Add a new group
*
* This is the form for adding a new group
*
* @category Group
* @package StatusNet
* @author Evan Prodromou <evan@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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*/
class NewgroupAction extends FormAction
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{
function title()
{
// TRANS: Title for form to create a group.
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return _('New group');
}
/**
* Prepare to run
*/
protected function prepare(array $args=array())
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{
parent::prepare($args);
// $this->scoped is the current user profile
if (!$this->scoped->hasRight(Right::CREATEGROUP)) {
// TRANS: Client exception thrown when a user tries to create a group while banned.
$this->clientError(_('You are not allowed to create groups on this site.'), 403);
}
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return true;
}
public function showContent()
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{
$form = new GroupEditForm($this);
$form->show();
}
public function showInstructions()
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{
$this->element('p', 'instructions',
// TRANS: Form instructions for group create form.
_('Use this form to create a new group.'));
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}
protected function handlePost()
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{
parent::handlePost();
if (Event::handle('StartGroupSaveForm', array($this))) {
$nickname = Nickname::normalize($this->trimmed('newnickname'));
$fullname = $this->trimmed('fullname');
$homepage = $this->trimmed('homepage');
$description = $this->trimmed('description');
$location = $this->trimmed('location');
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$private = $this->boolean('private');
$aliasstring = $this->trimmed('aliases');
if ($this->nicknameExists($nickname)) {
// TRANS: Group create form validation error.
throw new ClientException(_('Nickname already in use. Try another one.'));
} else if (!User_group::allowedNickname($nickname)) {
// TRANS: Group create form validation error.
throw new ClientException(_('Not a valid nickname.'));
} else if (!is_null($homepage) && (strlen($homepage) > 0) &&
!common_valid_http_url($homepage)) {
// TRANS: Group create form validation error.
throw new ClientException(_('Homepage is not a valid URL.'));
} else if (!is_null($fullname) && mb_strlen($fullname) > 255) {
// TRANS: Group create form validation error.
throw new ClientException(_('Full name is too long (maximum 255 characters).'));
} else if (User_group::descriptionTooLong($description)) {
// TRANS: Group create form validation error.
// TRANS: %d is the maximum number of allowed characters.
throw new ClientException(sprintf(_m('Description is too long (maximum %d character).',
'Description is too long (maximum %d characters).',
User_group::maxDescription()),
User_group::maxDescription()));
} else if (!is_null($location) && mb_strlen($location) > 255) {
// TRANS: Group create form validation error.
throw new ClientException(_('Location is too long (maximum 255 characters).'));
}
if (!empty($aliasstring)) {
$aliases = array_map('common_canonical_nickname', array_unique(preg_split('/[\s,]+/', $aliasstring)));
} else {
$aliases = array();
}
if (count($aliases) > common_config('group', 'maxaliases')) {
// TRANS: Group create form validation error.
// TRANS: %d is the maximum number of allowed aliases.
throw new ClientException(sprintf(_m('Too many aliases! Maximum %d allowed.',
'Too many aliases! Maximum %d allowed.',
common_config('group', 'maxaliases')),
common_config('group', 'maxaliases')));
return;
}
foreach ($aliases as $alias) {
if (!Nickname::isValid($alias)) {
// TRANS: Group create form validation error.
// TRANS: %s is the invalid alias.
throw new ClientException(sprintf(_('Invalid alias: "%s"'), $alias));
}
if ($this->nicknameExists($alias)) {
// TRANS: Group create form validation error. %s is the already used alias.
throw new ClientException(sprintf(_('Alias "%s" already in use. Try another one.'),
$alias));
}
// XXX assumes alphanum nicknames
if (strcmp($alias, $nickname) == 0) {
// TRANS: Group create form validation error.
throw new ClientException(_('Alias cannot be the same as nickname.'));
}
}
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if ($private) {
$force_scope = 1;
$join_policy = User_group::JOIN_POLICY_MODERATE;
} else {
$force_scope = 0;
$join_policy = User_group::JOIN_POLICY_OPEN;
}
// This is set up in parent->prepare and checked in self->prepare
assert(!is_null($this->scoped));
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$group = User_group::register(array('nickname' => $nickname,
'fullname' => $fullname,
'homepage' => $homepage,
'description' => $description,
'location' => $location,
'aliases' => $aliases,
'userid' => $this->scoped->id,
'join_policy' => $join_policy,
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'force_scope' => $force_scope,
'local' => true));
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$this->group = $group;
Event::handle('EndGroupSaveForm', array($this));
common_redirect($group->homeUrl(), 303);
}
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}
function nicknameExists($nickname)
{
$local = Local_group::getKV('nickname', $nickname);
if (!empty($local)) {
return true;
}
$alias = Group_alias::getKV('alias', $nickname);
if (!empty($alias)) {
return true;
}
return false;
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}
}