gnu-social/src/Controller/Feeds.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/>.
// }}}
/**
* Handle network public feed
*
* @package GNUsocial
* @category Controller
*
* @author Hugo Sales <hugo@hsal.es>
* @author Eliseu Amaro <eliseu@fc.up.pt>
* @copyright 2020-2021 Free Software Foundation, Inc http://www.fsf.org
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
*/
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namespace App\Controller;
use App\Core\Controller;
use App\Core\DB\DB;
use App\Core\Event;
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use function App\Core\I18n\_m;
use App\Core\VisibilityScope;
use App\Entity\Note;
use App\Util\Exception\ClientException;
use App\Util\Exception\NotFoundException;
use Symfony\Component\HttpFoundation\Request;
class Feeds extends Controller
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{
// Can't have constants inside herestring
private $public_scope = VisibilityScope::PUBLIC;
private $instance_scope = VisibilityScope::PUBLIC | VisibilityScope::SITE;
private $message_scope = VisibilityScope::MESSAGE;
private $subscriber_scope = VisibilityScope::PUBLIC | VisibilityScope::SUBSCRIBER;
public function public(Request $request)
{
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$notes = Note::getAllNotes($this->instance_scope);
$notes_out = null;
Event::handle('FormatNoteList', [$notes, &$notes_out]);
return [
'_template' => 'feeds/feed.html.twig',
'notes' => $notes_out,
'page_title' => 'Public feed',
];
}
public function home(Request $request, string $nickname)
{
try {
$target = DB::findOneBy('actor', ['nickname' => $nickname, 'is_local' => true]);
} catch (NotFoundException) {
throw new ClientException(_m('User {nickname} doesn\'t exist', ['{nickname}' => $nickname]));
}
// TODO Handle replies in home stream
$query = <<<END
-- Select notes from:
select note.* from note left join -- left join ensures all returned notes' ids are not null
(
-- Subscribed by target
select n.id from note n inner join subscription f on n.actor_id = f.subscribed
where f.subscriber = :target_actor_id
union all
-- Replies to notes by target
-- select n.id from note n inner join note nr on nr.id = nr.reply_to
-- union all
-- Notifications to target
select a.activity_id from notification a inner join note n on a.activity_id = n.id
union all
-- Notes in groups target subscriptions
select gi.activity_id from group_inbox gi inner join group_member gm on gi.group_id = gm.group_id
where gm.actor_id = :target_actor_id
)
as s on s.id = note.id
where
-- Remove direct messages
note.scope <> {$this->message_scope}
order by note.modified DESC
END;
$notes = DB::sql($query, ['target_actor_id' => $target->getId()]);
$notes_out = null;
Event::handle('FormatNoteList', [$notes, &$notes_out]);
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return [
'_template' => 'feeds/feed.html.twig',
'notes' => $notes_out,
'page_title' => 'Home feed',
];
}
public function network(Request $request)
{
$notes = Note::getAllNotes($this->public_scope);
$notes_out = null;
Event::handle('FormatNoteList', [$notes, &$notes_out]);
return [
'_template' => 'feeds/feed.html.twig',
'notes' => $notes_out,
'page_title' => 'Network feed',
];
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}
}