gnu-social/actions/approvegroup.php

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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Leave a 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>
* @copyright 2008-2009 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET') && !defined('LACONICA')) {
exit(1);
}
/**
* Leave a group
*
* This is the action for leaving a group. It works more or less like the subscribe action
* for users.
*
* @category Group
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
class ApprovegroupAction extends Action
{
var $group = null;
/**
* Prepare to run
*/
function prepare($args)
{
parent::prepare($args);
if (!common_logged_in()) {
// TRANS: Client error displayed when trying to leave a group while not logged in.
$this->clientError(_('You must be logged in to leave a group.'));
return false;
}
$nickname_arg = $this->trimmed('nickname');
$id = intval($this->arg('id'));
if ($id) {
$this->group = User_group::getKV('id', $id);
} else if ($nickname_arg) {
$nickname = common_canonical_nickname($nickname_arg);
// Permanent redirect on non-canonical nickname
if ($nickname_arg != $nickname) {
$args = array('nickname' => $nickname);
common_redirect(common_local_url('leavegroup', $args), 301);
return false;
}
$local = Local_group::getKV('nickname', $nickname);
if (!$local) {
// TRANS: Client error displayed when trying to leave a non-local group.
$this->clientError(_('No such group.'), 404);
return false;
}
$this->group = User_group::getKV('id', $local->group_id);
} else {
// TRANS: Client error displayed when trying to leave a group without providing a group name or group ID.
$this->clientError(_('No nickname or ID.'), 404);
return false;
}
if (!$this->group) {
// TRANS: Client error displayed when trying to leave a non-existing group.
$this->clientError(_('No such group.'), 404);
return false;
}
$cur = common_current_user();
if (empty($cur)) {
// TRANS: Client error displayed trying to approve group membership while not logged in.
$this->clientError(_('Must be logged in.'), 403);
return false;
}
if ($this->arg('profile_id')) {
if ($cur->isAdmin($this->group)) {
$this->profile = Profile::getKV('id', $this->arg('profile_id'));
} else {
// TRANS: Client error displayed trying to approve group membership while not a group administrator.
$this->clientError(_('Only group admin can approve or cancel join requests.'), 403);
return false;
}
} else {
// TRANS: Client error displayed trying to approve group membership without specifying a profile to approve.
$this->clientError(_('Must specify a profile.'));
return false;
}
$this->request = Group_join_queue::pkeyGet(array('profile_id' => $this->profile->id,
'group_id' => $this->group->id));
if (empty($this->request)) {
// TRANS: Client error displayed trying to approve group membership for a non-existing request.
// TRANS: %s is a nickname.
$this->clientError(sprintf(_('%s is not in the moderation queue for this group.'), $this->profile->nickname), 403);
}
$this->approve = (bool)$this->arg('approve');
$this->cancel = (bool)$this->arg('cancel');
if (!$this->approve && !$this->cancel) {
// TRANS: Client error displayed trying to approve/deny group membership.
$this->clientError(_('Internal error: received neither cancel nor abort.'));
}
if ($this->approve && $this->cancel) {
// TRANS: Client error displayed trying to approve/deny group membership.
$this->clientError(_('Internal error: received both cancel and abort.'));
}
return true;
}
/**
* Handle the request
*
* On POST, add the current user to the group
*
* @param array $args unused
*
* @return void
*/
function handle($args)
{
parent::handle($args);
try {
if ($this->approve) {
$this->request->complete();
} elseif ($this->cancel) {
$this->request->abort();
}
} catch (Exception $e) {
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common_log(LOG_ERR, "Exception canceling group sub: " . $e->getMessage());
// TRANS: Server error displayed when cancelling a queued group join request fails.
// TRANS: %1$s is the leaving user's nickname, $2$s is the group nickname for which the leave failed.
$this->serverError(sprintf(_('Could not cancel request for user %1$s to join group %2$s.'),
$this->profile->nickname, $this->group->nickname));
return;
}
if ($this->boolean('ajax')) {
$this->startHTML('text/xml;charset=utf-8');
$this->elementStart('head');
// TRANS: Title for leave group page after group join request is approved/disapproved.
// TRANS: %1$s is the user nickname, %2$s is the group nickname.
$this->element('title', null, sprintf(_m('TITLE','%1$s\'s request for %2$s'),
$this->profile->nickname,
$this->group->nickname));
$this->elementEnd('head');
$this->elementStart('body');
if ($this->approve) {
// TRANS: Message on page for group admin after approving a join request.
$this->element('p', 'success', _('Join request approved.'));
} elseif ($this->cancel) {
// TRANS: Message on page for group admin after rejecting a join request.
$this->element('p', 'success', _('Join request canceled.'));
}
$this->elementEnd('body');
$this->elementEnd('html');
} else {
common_redirect(common_local_url('groupmembers', array('nickname' =>
$this->group->nickname)),
303);
}
}
}