gnu-social/actions/apigrouplist.php

221 lines
6.0 KiB
PHP

<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Check to see whether a user a member of 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 API
* @package StatusNet
* @author Craig Andrews <candrews@integralblue.com>
* @author Evan Prodromou <evan@status.net>
* @author Jeffery To <jeffery.to@gmail.com>
* @author Zach Copley <zach@status.net>
* @copyright 2009 StatusNet, Inc.
* @copyright 2009 Free Software Foundation, Inc http://www.fsf.org
* @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')) {
exit(1);
}
require_once INSTALLDIR . '/lib/apibareauth.php';
/**
* Returns whether a user is a member of a specified group.
*
* @category API
* @package StatusNet
* @author Craig Andrews <candrews@integralblue.com>
* @author Evan Prodromou <evan@status.net>
* @author Jeffery To <jeffery.to@gmail.com>
* @author Zach Copley <zach@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 ApiGroupListAction extends ApiBareAuthAction
{
var $groups = null;
/**
* Take arguments for running
*
* @param array $args $_REQUEST args
*
* @return boolean success flag
*/
function prepare($args)
{
parent::prepare($args);
$this->user = $this->getTargetUser(null);
if (empty($this->user)) {
$this->clientError(_('No such user.'), 404, $this->format);
return false;
}
$this->groups = $this->getGroups();
return true;
}
/**
* Handle the request
*
* Show the user's groups
*
* @param array $args $_REQUEST data (unused)
*
* @return void
*/
function handle($args)
{
parent::handle($args);
$sitename = common_config('site', 'name');
// TRANS: Used as title in check for group membership. %s is a user name.
$title = sprintf(_("%s's groups"), $this->user->nickname);
$taguribase = TagURI::base();
$id = "tag:$taguribase:Groups";
$link = common_local_url(
'usergroups',
array('nickname' => $this->user->nickname)
);
$subtitle = sprintf(
// TRANS: Used as subtitle in check for group membership. %1$s is the site name, %2$s is a user name.
_('%1$s groups %2$s is a member of.'),
$sitename,
$this->user->nickname
);
switch($this->format) {
case 'xml':
$this->showXmlGroups($this->groups);
break;
case 'rss':
$this->showRssGroups($this->groups, $title, $link, $subtitle);
break;
case 'atom':
$selfuri = common_root_url() . 'api/statusnet/groups/list/' .
$this->user->id . '.atom';
$this->showAtomGroups(
$this->groups,
$title,
$id,
$link,
$subtitle,
$selfuri
);
break;
case 'json':
$this->showJsonGroups($this->groups);
break;
default:
$this->clientError(
// TRANS: Client error displayed trying to execute an unknown API method checking group membership.
_('API method not found.'),
404,
$this->format
);
break;
}
}
/**
* Get groups
*
* @return array groups
*/
function getGroups()
{
$groups = array();
$group = $this->user->getGroups(
($this->page - 1) * $this->count,
$this->count,
$this->since_id,
$this->max_id
);
while ($group->fetch()) {
$groups[] = clone($group);
}
return $groups;
}
/**
* Is this action read only?
*
* @param array $args other arguments
*
* @return boolean true
*/
function isReadOnly($args)
{
return true;
}
/**
* When was this feed last modified?
*
* @return string datestamp of the latest group the user has joined
*/
function lastModified()
{
if (!empty($this->groups) && (count($this->groups) > 0)) {
return strtotime($this->groups[0]->created);
}
return null;
}
/**
* An entity tag for this list of groups
*
* Returns an Etag based on the action name, language, user ID and
* timestamps of the first and last group the user has joined
*
* @return string etag
*/
function etag()
{
if (!empty($this->groups) && (count($this->groups) > 0)) {
$last = count($this->groups) - 1;
return '"' . implode(
':',
array($this->arg('action'),
common_user_cache_hash($this->auth_user),
common_language(),
$this->user->id,
strtotime($this->groups[0]->created),
strtotime($this->groups[$last]->created))
)
. '"';
}
return null;
}
}