Added inern app integration

app/Services/Rooms/RoomSettingsService.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Services\Rooms;
+
+use App\Enums\RoomStateChange;
+use App\Events\RoomStateChanged;
+use App\Models\Room;
+use App\Models\User;
+use Illuminate\Support\Facades\DB;
+
+class RoomSettingsService
+{
+    public function __construct(
+        private readonly RoomRealtimeStateService $realtimeState,
+    ) {}
+
+    /** @param array{allow_participants_to_manage_rounds: bool, is_persistent: bool} $settings */
+    public function update(Room $room, User $user, array $settings): void
+    {
+        $stateVersion = DB::transaction(function () use ($room, $user, $settings): ?int {
+            $lockedRoom = Room::query()
+                ->lockForUpdate()
+                ->findOrFail($room->id);
+
+            abort_unless($lockedRoom->owner_id === $user->id, 403);
+
+            $lockedRoom->fill($settings);
+
+            if (! $lockedRoom->isDirty()) {
+                return null;
+            }
+
+            $lockedRoom->state_version++;
+            $lockedRoom->save();
+
+            return $lockedRoom->state_version;
+        });
+
+        if ($stateVersion === null) {
+            return;
+        }
+
+        RoomStateChanged::dispatch(
+            $room->id,
+            $stateVersion,
+            RoomStateChange::RoomSettingsUpdated,
+            $this->realtimeState->for($room),
+        );
+    }
+}