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1<?php
2
3// {{{ License
4
5// This file is part of GNU social - https://www.gnu.org/software/social
6//
7// GNU social is free software: you can redistribute it and/or modify
8// it under the terms of the GNU Affero General Public License as published by
9// the Free Software Foundation, either version 3 of the License, or
10// (at your option) any later version.
11//
12// GNU social is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15// GNU Affero General Public License for more details.
16//
17// You should have received a copy of the GNU Affero General Public License
18// along with GNU social.  If not, see <http://www.gnu.org/licenses/>.
19
20// }}}
21
22/**
23 * Handle network public feed
24 *
25 * @package  GNUsocial
26 * @category Controller
27 *
28 * @author    Hugo Sales <hugo@hsal.es>
29 * @author    Eliseu Amaro <eliseu@fc.up.pt>
30 * @copyright 2020-2021 Free Software Foundation, Inc http://www.fsf.org
31 * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
32 */
33
34namespace App\Controller;
35
36use App\Core\Controller;
37use App\Core\DB\DB;
38use App\Core\Event;
39use function App\Core\I18n\_m;
40use App\Core\VisibilityScope;
41use App\Entity\Note;
42use App\Util\Common;
43use App\Util\Exception\ClientException;
44use App\Util\Exception\NotFoundException;
45use Symfony\Component\HttpFoundation\Request;
46
47class Network extends Controller
48{
49    // Can't have constants inside herestring
50    private $public_scope   = VisibilityScope::PUBLIC;
51    private $instance_scope = VisibilityScope::PUBLIC | VisibilityScope::SITE;
52    private $message_scope  = VisibilityScope::MESSAGE;
53    private $follower_scope = VisibilityScope::PUBLIC | VisibilityScope::FOLLOWER;
54
55    public function public(Request $request)
56    {
57        $notes = Note::getAllNotes($this->instance_scope);
58
59        Event::handle('FormatNoteList', [$notes, &$notes_out]);
60
61        return [
62            '_template' => 'network/public.html.twig',
63            'notes'     => $notes_out,
64        ];
65    }
66
67    public function home(Request $request, string $nickname)
68    {
69        try {
70            $target = DB::findOneBy('gsactor', ['nickname' => $nickname]);
71        } catch (NotFoundException) {
72            throw new ClientException(_m('User {nickname} doesn\'t exist', ['{nickname}' => $nickname]));
73        }
74
75        $query = <<<END
76        -- Select notes from:
77        select note.* from note left join -- left join ensures all returned notes' ids are not null
78        (
79            -- Followed by target
80            select n.id from note n inner join follow f on n.gsactor_id = f.followed
81                where f.follower = :target_actor_id
82            union all
83            -- Replies to notes by target
84            select n.id from note n inner join note nr on nr.id = nr.reply_to
85            union all
86            -- Notifications to target
87            select a.activity_id from notification a inner join note n on a.activity_id = n.id
88            union all
89            -- Notes in groups target follows
90            select gi.activity_id from group_inbox gi inner join group_member gm on gi.group_id = gm.group_id
91                where gm.gsactor_id = :target_actor_id
92        )
93        as s on s.id = note.id
94        where
95            -- Remove direct messages
96            note.scope <> {$this->message_scope}
97        order by note.modified DESC
98END;
99        $notes = DB::sql($query, ['note' => 'App\Entity\Note'], ['target_actor_id' => $target->getId()]);
100
101        Event::handle('FormatNoteList', [$notes, &$notes_out]);
102
103        return [
104            '_template' => 'network/public.html.twig',
105            'notes'     => $notes_out,
106        ];
107    }
108
109    public function network(Request $request)
110    {
111        $notes = Note::getAllNotes($this->public_scope);
112
113        Event::handle('FormatNoteList', [$notes, &$notes_out]);
114
115        return [
116            '_template' => 'network/public.html.twig',
117            'notes'     => $notes_out,
118        ];
119    }
120
121    public function replies(Request $request)
122    {
123        $actor_id = Common::ensureLoggedIn()->getId();
124        $notes    = DB::dql('select n from App\Entity\Note n ' .
125                         'where n.reply_to is not null and n.gsactor_id = :id ' .
126                         'order by n.created DESC', ['id' => $actor_id]);
127
128        Event::handle('FormatNoteList', [$notes, &$notes_out]);
129
130        return [
131            '_template' => 'network/public.html.twig',
132            'notes'     => $notes_out,
133        ];
134    }
135}