gnu-social/components/Group/Controller/GroupFeed.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/>.
// }}}
namespace Component\Group\Controller;
use App\Core\Cache;
use App\Core\DB;
use App\Core\Form;
use function App\Core\I18n\_m;
use App\Core\Router;
use App\Entity\Actor;
use App\Entity as E;
use App\Util\Common;
use App\Util\Exception\ClientException;
use App\Util\Exception\ServerException;
use App\Util\HTML\Heading;
use Component\Collection\Util\Controller\FeedController;
use Component\Group\Entity\LocalGroup;
use Component\Subscription\Entity\ActorSubscription;
use Symfony\Component\Form\Extension\Core\Type\SubmitType;
use Symfony\Component\HttpFoundation\Request;
class GroupFeed extends FeedController
{
/**
* @throws ServerException
*/
public function groupView(Request $request, Actor $group): array
{
$actor = Common::actor();
$subscribe_form = null;
if (!\is_null($actor)
&& \is_null(Cache::get(
ActorSubscription::cacheKeys($actor, $group)['subscribed'],
fn () => DB::findOneBy('actor_subscription', [
'subscriber_id' => $actor->getId(),
'subscribed_id' => $group->getId(),
], return_null: true),
))
) {
$subscribe_form = Form::create([['subscribe', SubmitType::class, ['label' => _m('Subscribe to this group')]]]);
$subscribe_form->handleRequest($request);
if ($subscribe_form->isSubmitted() && $subscribe_form->isValid()) {
DB::persist(ActorSubscription::create([
'subscriber_id' => $actor->getId(),
'subscribed_id' => $group->getId(),
]));
DB::flush();
Cache::delete(E\Actor::cacheKeys($group->getId())['subscribers']);
Cache::delete(E\Actor::cacheKeys($actor->getId())['subscribed']);
Cache::delete(ActorSubscription::cacheKeys($actor, $group)['subscribed']);
}
}
$notes = DB::dql(<<<'EOF'
SELECT n FROM \App\Entity\Note AS n
WHERE n.id IN (
SELECT act.object_id FROM \App\Entity\Activity AS act
WHERE act.object_type = 'note' AND act.id IN
(SELECT att.activity_id FROM \Component\Notification\Entity\Notification AS att WHERE att.target_id = :id)
)
ORDER BY n.created DESC
EOF, ['id' => $group->getId()]);
return [
'_template' => 'group/view.html.twig',
'actor' => $group,
'nickname' => $group->getNickname(),
'notes' => $notes,
'notes_feed_title' => (new Heading(1, [], $group->getNickname() . '\'s feed')),
'subscribe_form' => $subscribe_form?->createView(),
];
}
/**
* @throws ClientException
* @throws ServerException
*/
public function groupViewId(Request $request, int $id): array
{
$group = Actor::getById($id);
if (\is_null($group) || !$group->isGroup()) {
throw new ClientException(_m('No such group.'), 404);
}
if ($group->getIsLocal()) {
return [
'_redirect' => Router::url('group_actor_view_nickname', ['nickname' => $group->getNickname()]),
'actor' => $group,
];
}
return $this->groupView($request, $group);
}
/**
* View a group feed by its nickname
*
* @param string $nickname The group's nickname to be shown
*
* @throws ClientException
* @throws ServerException
*/
public function groupViewNickname(Request $request, string $nickname): array
{
$group = LocalGroup::getActorByNickname($nickname);
if (\is_null($group)) {
throw new ClientException(_m('No such group.'), 404);
}
return $this->groupView($request, $group);
}
}