gnu-social/lib/apilistusers.php

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<?php
/**
* StatusNet, the distributed open-source microblogging tool
*
* Base class for list members and list subscribers api.
*
* 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
* @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);
}
class ApiListUsersAction extends ApiBareAuthAction
{
var $list = null;
var $user = false;
var $create = false;
var $delete = false;
var $cursor = -1;
var $next_cursor = 0;
var $prev_cursor = 0;
var $users = null;
protected function prepare(array $args=array())
{
// delete list member if method is DELETE or if method is POST and an argument
// _method is set to DELETE
$this->delete = ($_SERVER['REQUEST_METHOD'] == 'DELETE' ||
($this->trimmed('_method') == 'DELETE' &&
$_SERVER['REQUEST_METHOD'] == 'POST'));
// add member if method is POST
$this->create = (!$this->delete &&
$_SERVER['REQUEST_METHOD'] == 'POST');
if ($this->arg('id')) {
$this->target = $this->getTargetProfile($this->arg('id'));
}
parent::prepare($args);
$this->list = $this->getTargetList($this->arg('user'), $this->arg('list_id'));
if (empty($this->list)) {
// TRANS: Client error displayed when referring to a non-existing list.
$this->clientError(_('List not found.'), 404, $this->format);
return false;
}
if(!$this->create && !$this->delete) {
$this->getUsers();
}
return true;
}
function requiresAuth()
{
return parent::requiresAuth() ||
$this->create || $this->delete;
}
protected function handle()
{
parent::handle();
if($this->delete) {
return $this->handleDelete();
}
if($this->create) {
return $this->handlePost();
}
switch($this->format) {
case 'xml':
$this->initDocument('xml');
$this->elementStart('users_list', array('xmlns:statusnet' =>
'http://status.net/schema/api/1/'));
$this->elementStart('users', array('type' => 'array'));
if (is_array($this->users)) {
foreach ($this->users as $u) {
$twitter_user = $this->twitterUserArray($u, true);
$this->showTwitterXmlUser($twitter_user);
}
} else {
while ($this->users->fetch()) {
$twitter_user = $this->twitterUserArray($this->users, true);
$this->showTwitterXmlUser($twitter_user);
}
}
$this->elementEnd('users');
$this->element('next_cursor', null, $this->next_cursor);
$this->element('previous_cursor', null, $this->prev_cursor);
$this->elementEnd('users_list');
break;
case 'json':
$this->initDocument('json');
$users = array();
if (is_array($this->users)) {
foreach ($this->users as $u) {
$twitter_user = $this->twitterUserArray($u, true);
array_push($users, $twitter_user);
}
} else {
while ($this->users->fetch()) {
$twitter_user = $this->twitterUserArray($this->users, true);
array_push($users, $twitter_user);
}
}
$users_list = array('users' => $users,
'next_cursor' => $this->next_cursor,
'next_cursor_str' => strval($this->next_cursor),
'previous_cursor' => $this->prev_cursor,
'previous_cursor_str' => strval($this->prev_cursor));
$this->showJsonObjects($users_list);
$this->endDocument('json');
break;
default:
$this->clientError(
// TRANS: Client error displayed when coming across a non-supported API method.
_('API method not found.'),
404,
$this->format
);
break;
}
}
function handlePost()
{
}
function handleDelete()
{
}
function getUsers()
{
}
function isReadOnly($args)
{
return false;
}
function lastModified()
{
if(!empty($this->list)) {
return strtotime($this->list->modified);
}
return null;
}
/**
* An entity tag for this list
*
* Returns an Etag based on the action name, language, user ID and
* timestamps of the first and last list the user has joined
*
* @return string etag
*/
function etag()
{
if (!empty($this->list)) {
return '"' . implode(
':',
array($this->arg('action'),
common_language(),
$this->list->id,
strtotime($this->list->created),
strtotime($this->list->modified))
)
. '"';
}
return null;
}
}