ctrlpanel/app/Http/Controllers/NotificationController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Contracts\View\Factory;
use Illuminate\Contracts\View\View;
use Illuminate\Http\Request;
use Illuminate\Http\Response;
use Illuminate\Notifications\Notification;
use Illuminate\Support\Facades\Auth;

class NotificationController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return Factory|View
     */
    public function index()
    {
        $notifications = Auth::user()->notifications()->paginate();

        return view('notifications.index')->with([
            'notifications' => $notifications
        ]);
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return Response
     */
    public function create()
    {
        //
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param Request $request
     * @return Response
     */
    public function store(Request $request)
    {
        //
    }

    /**
     * Display the specified resource.
     *
     * @param  string  $id
     * @return Factory|View
     */
    public function show($id)
    {
        $notification = Auth::user()->notifications()->findOrFail($id);

        $notification->markAsRead();
        return view('notifications.show')->with([
            'notification' => $notification
        ]);
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  int  $id
     * @return Response
     */
    public function edit($id)
    {
        //
    }

    /**
     * Update the specified resource in storage.
     *
     * @param Request $request
     * @param  int  $id
     * @return Response
     */
    public function update(Request $request, $id)
    {
        //
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return Response
     */
    public function destroy($id)
    {
        //
    }
}