public function index(User $user, $unread = false)
    {
        $notifications = [];
        $rows = $user->notifications;
        if ($unread) {
            $rows = $user->unreadNotifications;
        }

        foreach ($rows as $k => $notification) {
            $notifications[] = [
                'id'         => $notification->id,
                'created_at' => $notification->created_at->format('l d F H:i'),
                'type'       => $notification->type,
                'message'    => $notification->data['message'],
                'read_at'    => $notification->read_at,
                'user_id'    => $user->id,
            ];
        }

        return json_response($notifications);
    }