gnu-social/actions/grouprss.php

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<?php
/**
* StatusNet, the distributed open-source microblogging tool
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*
* Group main page
*
* 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.
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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('GNUSOCIAL')) { exit(1); }
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define('MEMBERS_PER_SECTION', 27);
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/**
* Group RSS feed
*
* @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 groupRssAction extends Rss10Action
{
/** group we're viewing. */
var $group = null;
/**
* Is this page read-only?
*
* @return boolean true
*/
function isReadOnly($args)
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{
return true;
}
/**
* Prepare the action
*
* Reads and validates arguments and instantiates the attributes.
*
* @param array $args $_REQUEST args
*
* @return boolean success flag
*/
function prepare($args)
{
parent::prepare($args);
$nickname_arg = $this->arg('nickname');
$nickname = common_canonical_nickname($nickname_arg);
// Permanent redirect on non-canonical nickname
if ($nickname_arg != $nickname) {
$args = array('nickname' => $nickname);
common_redirect(common_local_url('showgroup', $args), 301);
}
if (!$nickname) {
// TRANS: Client error displayed when requesting a group RSS feed without providing a group nickname.
$this->clientError(_('No nickname.'), 404);
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}
$local = Local_group::getKV('nickname', $nickname);
if (!$local) {
// TRANS: Client error displayed when requesting a group RSS feed for group that does not exist.
$this->clientError(_('No such group.'), 404);
}
$this->group = User_group::getKV('id', $local->group_id);
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if (!$this->group) {
// TRANS: Client error displayed when requesting a group RSS feed for an object that is not a group.
$this->clientError(_('No such group.'), 404);
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}
$this->notices = $this->getNotices($this->limit);
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return true;
}
function getNotices($limit=0)
{
$group = $this->group;
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if (is_null($group)) {
return null;
}
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$notices = array();
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$notice = $group->getNotices(0, ($limit == 0) ? NOTICES_PER_PAGE : $limit);
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while ($notice->fetch()) {
$notices[] = clone($notice);
}
return $notices;
}
function getChannel()
{
$group = $this->group;
$c = array('url' => common_local_url('grouprss',
array('nickname' =>
$group->nickname)),
// TRANS: Message is used as link title. %s is a user nickname.
'title' => sprintf(_('%s timeline'), $group->nickname),
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'link' => common_local_url('showgroup', array('nickname' => $group->nickname)),
// TRANS: Message is used as link description. %1$s is a group name, %2$s is a site name.
'description' => sprintf(_('Updates from members of %1$s on %2$s!'),
$group->nickname, common_config('site', 'name')));
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return $c;
}
function getImage()
{
return $this->group->homepage_logo;
}
}