gnu-social/components/Feed/Util/FeedController.php

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<?php
declare(strict_types = 1);
// {{{ License
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social 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.
//
// GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
// }}}
/**
* Base class for feed controllers
*
* @package GNUsocial
* @category Controller
*
* @author Hugo Sales <hugo@hsal.es>
* @copyright 2021 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
namespace Component\Feed\Util;
use App\Core\Controller;
use App\Core\Event;
use App\Entity\Actor;
use App\Entity\Note;
use App\Util\Common;
use Functional as F;
abstract class FeedController extends Controller
{
/**
* Post-processing of the result of a feed controller, to remove any
* notes or actors the user specified, as well as format the raw
* list of notes into a usable format
*/
protected function postProcess(array $result): array
{
$actor = Common::actor();
if (\array_key_exists('notes', $result)) {
$notes = $result['notes'];
self::enforceScope($notes, $actor);
Event::handle('FilterNoteList', [$actor, &$notes, $result['request']]);
Event::handle('FormatNoteList', [$notes, &$result['notes']]);
}
return $result;
}
private static function enforceScope(array &$notes, ?Actor $actor): void
{
$notes = F\select($notes, fn (Note $n) => $n->isVisibleTo($actor));
}
}