public function show(CalendarRequest $request, Calendar $calendar)
    {

        if ($calendar->exists) {
            $view = 'calendar::calendar.show';
        } else {
            $view = 'calendar::calendar.new';
        }

        return $this->response
            ->title(trans('app.view') . ' ' . trans('calendar::calendar.name'))
            ->data(compact('calendar'))
            ->view($view, true)
            ->output();
    }