gnu-social/actions/apigroupshow.php

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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Show information about 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
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* @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);
}
/**
* Outputs detailed information about the group specified by ID
*
* @category API
* @package StatusNet
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* @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>
* @author Michele <macno@macno.org>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
class ApiGroupShowAction extends ApiPrivateAuthAction
{
var $group = null;
/**
* Take arguments for running
*
* @param array $args $_REQUEST args
*
* @return boolean success flag
*/
protected function prepare(array $args=array())
{
parent::prepare($args);
$this->group = $this->getTargetGroup($this->arg('id'));
if (empty($this->group)) {
$alias = Group_alias::getKV(
'alias',
common_canonical_nickname($this->arg('id'))
);
if (!empty($alias)) {
$args = array('id' => $alias->group_id, 'format' => $this->format);
common_redirect(common_local_url('ApiGroupShow', $args), 301);
} else {
// TRANS: Client error displayed when trying to show a group that could not be found.
$this->clientError(_('Group not found.'), 404);
}
return;
}
return true;
}
/**
* Handle the request
*
* Check the format and show the user info
*
* @return void
*/
protected function handle()
{
parent::handle();
switch($this->format) {
case 'xml':
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$this->showSingleXmlGroup($this->group);
break;
case 'json':
$this->showSingleJsonGroup($this->group);
break;
default:
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// TRANS: Client error displayed when coming across a non-supported API method.
$this->clientError(_('API method not found.'), 404);
}
}
/**
* When was this group last modified?
*
* @return string datestamp of the latest notice in the stream
*/
function lastModified()
{
if (!empty($this->group)) {
return strtotime($this->group->modified);
}
return null;
}
/**
* An entity tag for this group
*
* Returns an Etag based on the action name, language, and
* timestamps of the notice
*
* @return string etag
*/
function etag()
{
if (!empty($this->group)) {
return '"' . implode(
':',
array($this->arg('action'),
common_user_cache_hash($this->auth_user),
common_language(),
$this->group->id,
strtotime($this->group->modified))
)
. '"';
}
return null;
}
/**
* Return true if read only.
*
* MAY override
*
* @param array $args other arguments
*
* @return boolean is read only action?
*/
function isReadOnly($args)
{
return true;
}
}