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gnu-social-v2-archive-activ.../actions/apactorfollowing.php
2018-05-10 23:57:43 +01:00

101 lines
3.5 KiB
PHP

<?php
/**
* GNU social - a federating social network
*
* Todo: Description
*
* 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 Plugin
* @package GNUsocial
* @author Diogo Cordeiro <diogo@fc.up.pt>
* @author Daniel Supernault <danielsupernault@gmail.com>
* @copyright 2015 Free Software Foundaction, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link https://gnu.io/social
*/
if (!defined('GNUSOCIAL')) { exit(1); }
class apActorFollowingAction extends ManagedAction
{
protected $needLogin = false;
protected $canPost = true;
protected function handle()
{
$nickname = $this->trimmed('nickname');
try {
$user = User::getByNickname($nickname);
$profile = $user->getProfile();
$url = $profile->profileurl;
} catch (Exception $e) {
throw new \Exception('Invalid username');
}
$page = intval($this->trimmed('page'));
if ($page <= 0)
throw new \Exception('Invalid page number');
/* Fetch Following */
try {
$since = ($page-1) * PROFILES_PER_MINILIST;
$limit = (($page-1) == 0 ? 1 : $page)*PROFILES_PER_MINILIST;
$sub = $profile->getSubscribed($since, $limit);
} catch (NoResultException $e) {
throw new \Exception('This user is not following anyone');
}
/* Calculate total items */
$total_subs = $profile->subscriptionCount();
$total_pages = ceil($total_subs/PROFILES_PER_MINILIST);
if ($total_pages == 0)
throw new \Exception('This user has no followers');
if ($page > $total_pages)
throw new \Exception("There are only {$total_pages} pages");
/* Get followed' URLs */
$subs = [];
while ($sub->fetch())
$subs[] = $this->pretty_sub (clone($sub));
$res = [
'@context' => [
"https://www.w3.org/ns/activitystreams",
"https://w3id.org/security/v1",
],
'id' => "{$url}/following.json",
'type' => ($page == 0 ? 'OrderedCollection' : 'OrderedCollectionPage'),
'totalItems' => $total_subs,
'next' => $page+1 > $total_pages ? null : "{$url}/followers.json?page=".($page+1 == 1 ? 2 : $page+1),
'prev' => $page == 1 ? null : "{$url}/followers.json?page=".($page-1 <= 0 ? 1 : $page-1),
'orderedItems' => $subs
];
header('Content-Type: application/activity+json');
echo json_encode($res, JSON_UNESCAPED_SLASHES | (isset($_GET["pretty"]) ? JSON_PRETTY_PRINT : null));
}
protected function pretty_sub ($sub_object)
{
return $sub_object->profileurl;
}
}