create notification on delete event

app/Http/Controllers/EventsController.php

@@ -4,6 +4,7 @@ namespace App\Http\Controllers;
 
 use App\Events\EventParticipationCancelled;
 use App\Models\Events;
+use App\Models\Notification;
 use App\Models\Task;
 use Illuminate\Http\Request;
 use Illuminate\Http\JsonResponse;
@@ -95,6 +96,11 @@ class EventsController extends Controller
                 return $task->users;
             })->unique('id');
 
+            $notification = Notification::create([
+                'content' => "L'événement '{$event->name}' a été supprimé. Vous n'y participez donc plus."
+            ]);
+            $notification->users()->attach($participants->pluck('id'));
+
             foreach ($participants as $user) {
                 broadcast(new EventParticipationCancelled(
                     $user->id,