public function __construct($id = null)
{
parent::__construct($id);
$this->registerCallback('after_store before_delete', function ($notification) {
$query = "SELECT user_id\n FROM personal_notifications_user\n WHERE personal_notification_id = :id";
$statement = DBManager::get()->prepare($query);
$statement->bindValue(':id', $notification->id);
$statement->execute();
$user_ids = $statement->fetchAll(PDO::FETCH_COLUMN);
foreach ($user_ids as $user_id) {
PersonalNotifications::expireCache($user_id);
}
});
}