gnu-social/components/Notification/Notification.php

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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\Notification;
use App\Core\DB\DB;
use App\Core\Event;
use function App\Core\I18n\_m;
use App\Core\Log;
use App\Core\Modules\Component;
use App\Core\Router\RouteLoader;
use App\Core\Router\Router;
use App\Entity\Activity;
use App\Entity\Actor;
use App\Entity\LocalUser;
use Component\FreeNetwork\FreeNetwork;
use Component\Group\Entity\GroupInbox;
use Component\Notification\Controller\Feed;
class Notification extends Component
{
public function onAddRoute(RouteLoader $m): bool
{
$m->connect('feed_notifications', '/feed/notifications', [Feed::class, 'notifications']);
return Event::next;
}
public function onCreateDefaultFeeds(int $actor_id, LocalUser $user, int &$ordering)
{
DB::persist(\App\Entity\Feed::create([
'actor_id' => $actor_id,
'url' => Router::url($route = 'feed_notifications'),
'route' => $route,
'title' => _m('Notifications'),
'ordering' => $ordering++,
]));
return Event::next;
}
/**
* Enqueues a notification for an Actor (user or group) which means
* it shows up in their home feed and such.
*/
public function onNewNotification(Actor $sender, Activity $activity, array $ids_already_known = [], ?string $reason = null): bool
{
$targets = $activity->getNotificationTargets(ids_already_known: $ids_already_known, sender_id: $sender->getId());
$this->notify($sender, $activity, $targets, $reason);
return Event::next;
}
/**
* Bring given Activity to Targets's attention
*/
public function notify(Actor $sender, Activity $activity, array $targets, ?string $reason = null): bool
{
$remote_targets = [];
foreach ($targets as $target) {
if ($target->getIsLocal()) {
if ($target->isGroup()) {
// FIXME: Make sure we check (for both local and remote) users are in the groups they send to!
DB::persist(GroupInbox::create([
'group_id' => $target->getId(),
'activity_id' => $activity->getId(),
]));
} else {
if ($target->hasBlocked($activity->getActor())) {
Log::info("Not saving reply to actor {$target->getId()} from sender {$sender->getId()} because of a block.");
continue;
}
}
if (Event::handle('NewNotificationShould', [$activity, $target]) === Event::next) {
// TODO: use https://symfony.com/doc/current/notifier.html
// XXX: Unideal as in failures the rollback will leave behind a false notification,
// but most notifications (all) require flushing the objects first
// Should be okay as long as implementors bear this in mind
DB::wrapInTransaction(fn () => DB::persist(Entity\Notification::create([
'activity_id' => $activity->getId(),
'target_id' => $target->getId(),
'reason' => $reason,
])));
}
} else {
// We have no authority nor responsibility of notifying remote actors of a remote actor's doing
if ($sender->getIsLocal()) {
$remote_targets[] = $target;
}
}
}
FreeNetwork::notify($sender, $activity, $remote_targets, $reason);
return Event::next;
}
}