The content is stored as a sequential array containing the old title and the
new title.
/**
* @param \Flarum\Event\DiscussionWasRenamed $event
*/
public function whenDiscussionWasRenamed(DiscussionWasRenamed $event)
{
$post = DiscussionRenamedPost::reply($event->discussion->id, $event->actor->id, $event->oldTitle, $event->discussion->title);
$post = $event->discussion->mergePost($post);
if ($event->discussion->start_user_id !== $event->actor->id) {
$blueprint = new DiscussionRenamedBlueprint($post);
if ($post->exists) {
$this->notifications->sync($blueprint, [$event->discussion->startUser]);
} else {
$this->notifications->delete($blueprint);
}
}
}
