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\Cache;
use App\Core\Controller;
use App\Core\DB\DB;
use App\Core\Event;
use App\Core\Form;
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use function App\Core\I18n\_m;
use App\Core\Router\Router;
use App\Core\VisibilityScope;
use App\Entity\Feed;
use App\Entity\Note;
use App\Util\Common;
use App\Util\Exception\ClientException;
use App\Util\Exception\NotFoundException;
use App\Util\Exception\NotImplementedException;
use App\Util\Exception\RedirectException;
use Functional as F;
use Symfony\Component\Form\Extension\Core\Type\IntegerType;
use Symfony\Component\Form\Extension\Core\Type\SubmitType;
use Symfony\Component\Form\Extension\Core\Type\TextType;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Routing\Exception\ResourceNotFoundException;
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 $nickname)
{
try {
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$target = DB::findOneBy('actor', ['nickname' => $nickname]);
} 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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}
public function edit_feeds(Request $request)
{
$user = Common::ensureLoggedIn();
$key = Feed::cacheKey($user);
$feeds = Feed::getFeeds($user);
$form_definitions = [];
foreach ($feeds as $feed) {
$md5 = md5($feed->getUrl());
$form_definitions[] = [$md5 . '-url', TextType::class, ['data' => $feed->getUrl(), 'label' => ' ']];
$form_definitions[] = [$md5 . '-order', IntegerType::class, ['data' => $feed->getOrdering(), 'label' => ' ']];
$form_definitions[] = [$md5 . '-title', TextType::class, ['data' => $feed->getTitle(), 'label' => ' ']];
$form_definitions[] = [$md5 . '-remove', SubmitType::class, ['label' => _m('Remove')]];
}
$form_definitions[] = ['url', TextType::class, ['label' => _m('New feed'), 'required' => false]];
$form_definitions[] = ['order', IntegerType::class, ['label' => _m('Order'), 'data' => (\count($form_definitions) / 4) + 1]];
$form_definitions[] = ['title', TextType::class, ['label' => _m('Title'), 'required' => false]];
$form_definitions[] = ['add', SubmitType::class, ['label' => _m('Add')]];
$form_definitions[] = ['update_exisiting', SubmitType::class, ['label' => _m('Update existing')]];
$form_definitions[] = ['reset', SubmitType::class, ['label' => _m('Reset to default values')]];
$form = Form::create($form_definitions);
$form->handleRequest($request);
if ($form->isSubmitted() && $form->isValid()) {
array_pop($form_definitions);
array_pop($form_definitions);
array_pop($form_definitions);
array_pop($form_definitions);
array_pop($form_definitions);
$data = $form->getData();
if ($form->get('update_exisiting')->isClicked()) {
// Each feed has a URL, an order and a title
$feeds_data = array_chunk($data, 3, preserve_keys: true);
// The last three would be the new one
array_pop($feeds_data);
// Sort by the order
usort($feeds_data, fn ($fd_l, $fd_r) => next($fd_l) <=> next($fd_r));
// Make the order sequential
$order = 1;
foreach ($feeds_data as $i => $fd) {
next($fd);
$feeds_data[$i][key($fd)] = $order++;
}
// Update the fields in the corresponding feed
foreach ($feeds_data as $fd) {
$md5 = str_replace('-url', '', array_key_first($fd));
$feed = F\first($feeds, fn ($f) => md5($f->getUrl()) === $md5);
$feed->setUrl($fd[$md5 . '-url']);
$feed->setOrdering($fd[$md5 . '-order']);
$feed->setTitle($fd[$md5 . '-title']);
DB::merge($feed);
}
DB::flush();
Cache::delete($key);
throw new RedirectException();
}
// Remove feed
foreach ($form_definitions as [$field, $type, $opts]) {
if (str_ends_with($field, '-url')) {
$remove_id = str_replace('-url', '-remove', $field);
if ($form->get($remove_id)->isClicked()) {
DB::remove(DB::getReference('feed', ['actor_id' => $user->getId(), 'url' => $opts['data']]));
DB::flush();
Cache::delete($key);
throw new RedirectException();
}
}
}
if ($form->get('reset')->isClicked()) {
F\map(DB::findBy('feed', ['actor_id' => $user->getId()]), fn ($f) => DB::remove($f));
DB::flush();
Cache::delete($key);
Feed::createDefaultFeeds($user->getId(), $user);
DB::flush();
throw new RedirectException();
}
// Add feed
try {
$match = Router::match($data['url']);
$route = $match['_route'];
DB::persist(Feed::create([
'actor_id' => $user->getId(),
'url' => $data['url'],
'route' => $route,
'title' => $data['title'],
'ordering' => $data['order'],
]));
DB::flush();
Cache::delete($key);
throw new RedirectException();
} catch (ResourceNotFoundException) {
// throw new ClientException(_m('Invalid route'));
// continue bellow
}
}
return [
'_template' => 'feeds/edit_feeds.html.twig',
'form' => $form->createView(),
];
}
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public function replies(Request $request)
{
// TODO replies
throw new NotImplementedException;
$actor_id = Common::ensureLoggedIn()->getId();
$notes = DB::dql('select n from App\Entity\Note n '
. 'where n.reply_to is not null and n.actor_id = :id '
. 'order by n.created DESC', ['id' => $actor_id], );
$notes_out = null;
Event::handle('FormatNoteList', [$notes, &$notes_out]);
return [
'_template' => 'feeds/feed.html.twig',
'notes' => $notes_out,
'page_title' => 'Replies feed',
];
}
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}