public function show($id)
    {
        $scheduler = Scheduler::findOrFail($id);

        return view('eyewitness::scheduler.show')->withEye(app(Eye::class))
                                                 ->withScheduler($scheduler)
                                                 ->withHistories($scheduler->history()->simplePaginate(config('eyewitness.pagination_size', 50)))
                                                 ->withTransformer(new ChartTransformer);
    }