ismysiteup.online/app/Http/Controllers/AlertController.php

<?php

namespace App\Http\Controllers;

use App\Models\Notification;
use Illuminate\Http\Request;

class AlertController extends Controller
{
    public function index()
    {
        $notifications = auth()->user()->notifications()
            ->orderBy('created_at', 'desc')
            ->paginate(20);

        $unreadCount = auth()->user()->notifications()
            ->where('is_read', false)
            ->count();

        $readCount = auth()->user()->notifications()
            ->where('is_read', true)
            ->count();

        return view('alerts.index', compact('notifications', 'unreadCount', 'readCount'));
    }

    public function markAsRead(Notification $notification)
    {
        $this->authorize('view', $notification);

        $notification->update(['is_read' => true]);

        return redirect()->route('alerts.index')
            ->with('success', 'Alert marked as read.');
    }

    public function markAllAsRead()
    {
        auth()->user()->notifications()
            ->where('is_read', false)
            ->update(['is_read' => true]);

        return redirect()->route('alerts.index')
            ->with('success', 'All alerts marked as read.');
    }

    public function destroy(Notification $notification)
    {
        $this->authorize('view', $notification);

        $notification->delete();

        return redirect()->route('alerts.index')
            ->with('success', 'Alert deleted.');
    }

    public function deleteRead()
    {
        auth()->user()->notifications()
            ->where('is_read', true)
            ->delete();

        return redirect()->route('alerts.index')
            ->with('success', 'All read alerts deleted.');
    }
}