start guest invitation on event

app/Http/Controllers/EventController.php

@@ -5,6 +5,7 @@ namespace App\Http\Controllers;
 use App\Http\Requests\EventRequest;
 use App\Models\Event;
 use App\Http\Resources\Event as EventResource;
+use App\User;
 use Illuminate\Http\Request;
 
 class EventController extends Controller
@@ -82,4 +83,37 @@ class EventController extends Controller
 
         return response([], 204);
     }
+
+    public function inviteUser(Event $event, User $user) {
+
+        $this->authorize('update', $event);
+
+        $event->guests()->attach($user);
+
+        return (new EventResource($event))
+            ->response()
+            ->setStatusCode(200);
+    }
+
+    public function removeInviteUser(Event $event, User $user) {
+
+        $this->authorize('delete', $event);
+
+        $event->guests()->detach($user);
+
+        return (new EventResource($event))
+            ->response()
+            ->setStatusCode(204);
+    }
+
+    public function addGuestToStaffEvent(Event $event, User $user) {
+
+        $this->authorize('delete', $event);
+
+        $event->guests()->updateExistingPivot($user, array('is_staff' => 1), false);
+
+        return (new EventResource($event))
+            ->response()
+            ->setStatusCode(200);
+    }
 }