public function scopeDiscussionVisibility(ScopeModelVisibility $event)
{
// Hide discussions which have tags that the user is not allowed to see.
if ($event->model instanceof Discussion) {
$event->query->whereNotExists(function ($query) use($event) {
return $query->select(app('flarum.db')->raw(1))->from('discussions_tags')->whereIn('tag_id', Tag::getNotVisibleTo($event->actor))->whereRaw('discussion_id = ' . app('flarum.db')->getQueryGrammar()->wrap('discussions.id'));
});
}
}
public function scopeTagVisibility(ScopeModelVisibility $event)
{
if ($event->model instanceof Tag) {
$event->query->whereNotIn('id', Tag::getNotVisibleTo($event->actor));
}
}