diff --git a/lib/BigBlueButton/Presentation.php b/lib/BigBlueButton/Presentation.php
index 458bf04..b57caae 100644
--- a/lib/BigBlueButton/Presentation.php
+++ b/lib/BigBlueButton/Presentation.php
@@ -8,12 +8,10 @@ use OCP\AppFramework\Utility\ITimeFactory;
 use OCP\Files\IRootFolder;
 use OCP\Files\File;
 use OCP\Files\Folder;
-use OCP\Files\Storage\IStorage;
 use OCP\IURLGenerator;
 use OCP\Security\ISecureRandom;
 
-class Presentation
-{
+class Presentation {
 	private $url;
 	private $userId;
 
@@ -53,8 +51,7 @@ class Presentation
 		$this->urlGenerator = $urlGenerator;
 	}
 
-	public function generateUrl()
-	{
+	public function generateUrl() {
 		$direct = new Direct();
 		$direct->setUserId($this->userId);
 		$direct->setFileId($this->file->getId());
@@ -70,18 +67,15 @@ class Presentation
 		return $url;
 	}
 
-	public function getUrl(): string
-	{
+	public function getUrl(): string {
 		return $this->url;
 	}
 
-	public function getFilename(): string
-	{
+	public function getFilename(): string {
 		return $this->file->getName();
 	}
 
-	public function isValid(): bool
-	{
+	public function isValid(): bool {
 		return !empty($this->file->getContent());
 	}
 }
diff --git a/lib/Controller/JoinController.php b/lib/Controller/JoinController.php
index 30fa13d..91a3e06 100644
--- a/lib/Controller/JoinController.php
+++ b/lib/Controller/JoinController.php
@@ -22,8 +22,7 @@ use OCP\IURLGenerator;
 use OCP\IUserSession;
 use OCP\Security\ISecureRandom;
 
-class JoinController extends Controller
-{
+class JoinController extends Controller {
 	/** @var string */
 	protected $token;
 
@@ -88,14 +87,12 @@ class JoinController extends Controller
 		$this->timeFactory = $timeFactory;
 	}
 
-	public function setToken(string $token): void
-	{
+	public function setToken(string $token): void {
 		$this->token = $token;
 		$this->room = null;
 	}
 
-	public function isValidToken(): bool
-	{
+	public function isValidToken(): bool {
 		$room = $this->getRoom();
 
 		return $room !== null;
@@ -108,8 +105,7 @@ class JoinController extends Controller
 	 *
 	 * @return RedirectResponse|TemplateResponse
 	 */
-	public function index($displayname, $u = '', $filename = '', $password = '')
-	{
+	public function index($displayname, $u = '', $filename = '', $password = '') {
 		$room = $this->getRoom();
 
 		if ($room === null) {
@@ -137,7 +133,7 @@ class JoinController extends Controller
 
 			if ($this->permission->isAdmin($room, $userId) && !empty($filename)) {
 				$presentation = new Presentation($filename, $userId, $this->iRootFolder, $this->mapper, $this->random, $this->timeFactory, $this->urlGenerator);
-			} else if (!$room->running && !empty($room->presentationPath)) {
+			} elseif (!$room->running && !empty($room->presentationPath)) {
 				$presentation = new Presentation($room->presentationPath, $room->presentationUserId, $this->iRootFolder, $this->mapper, $this->random, $this->timeFactory, $this->urlGenerator);
 			}
 		} elseif ($room->access === Room::ACCESS_INTERNAL || $room->access === Room::ACCESS_INTERNAL_RESTRICTED) {
@@ -176,8 +172,7 @@ class JoinController extends Controller
 		], 'guest');
 	}
 
-	private function getRoom(): ?Room
-	{
+	private function getRoom(): ?Room {
 		if ($this->room === null) {
 			$this->room = $this->service->findByUid($this->token);
 		}
@@ -185,8 +180,7 @@ class JoinController extends Controller
 		return $this->room;
 	}
 
-	private function getLoginUrl(): string
-	{
+	private function getLoginUrl(): string {
 		return $this->urlGenerator->linkToRoute('core.login.showLoginForm', [
 			'redirect_url' => $this->urlGenerator->linkToRoute(
 				'bbb.join.index',
@@ -195,8 +189,7 @@ class JoinController extends Controller
 		]);
 	}
 
-	private function markAsRunning(Room $room)
-	{
+	private function markAsRunning(Room $room) {
 		if (!$room->running) {
 			$this->service->updateRunning($room->getId(), true);
 		}
diff --git a/lib/Controller/RoomController.php b/lib/Controller/RoomController.php
index 37497fc..9bbb197 100644
--- a/lib/Controller/RoomController.php
+++ b/lib/Controller/RoomController.php
@@ -13,8 +13,8 @@ use OCP\IGroupManager;
 use OCP\IRequest;
 use OCP\IUserManager;
 
-class RoomController extends Controller
-{
+class RoomController extends Controller {
+	use Errors;
 	/** @var RoomService */
 	private $service;
 
@@ -33,8 +33,6 @@ class RoomController extends Controller
 	/** @var string */
 	private $userId;
 
-	use Errors;
-
 	public function __construct(
 		$appName,
 		IRequest $request,
@@ -57,8 +55,7 @@ class RoomController extends Controller
 	/**
 	 * @NoAdminRequired
 	 */
-	public function index(): DataResponse
-	{
+	public function index(): DataResponse {
 		$user = $this->userManager->get($this->userId);
 		$groupIds = $this->groupManager->getUserGroupIds($user);
 		$circleIds = $this->circleHelper->getCircleIds($this->userId);
@@ -166,8 +163,7 @@ class RoomController extends Controller
 	/**
 	 * @NoAdminRequired
 	 */
-	public function destroy(int $id): DataResponse
-	{
+	public function destroy(int $id): DataResponse {
 		$room = $this->service->find($id);
 
 		if (!$this->permission->isAdmin($room, $this->userId)) {
diff --git a/lib/Migration/Version000000Date20220413130357.php b/lib/Migration/Version000000Date20220413130357.php
index 47d6711..5b83537 100644
--- a/lib/Migration/Version000000Date20220413130357.php
+++ b/lib/Migration/Version000000Date20220413130357.php
@@ -34,18 +34,14 @@ use OCP\Migration\SimpleMigrationStep;
 /**
  * Auto-generated migration step: Please modify to your needs!
  */
-class Version000000Date20220413130357 extends SimpleMigrationStep
-{
-
+class Version000000Date20220413130357 extends SimpleMigrationStep {
 	/**
 	 * @param IOutput $output
 	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
 	 * @param array $options
 	 * @return null|ISchemaWrapper
 	 */
-	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper
-	{
-
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
 		$schema = $schemaClosure();
 
 		if ($schema->hasTable('bbb_rooms')) {
diff --git a/lib/Service/RoomService.php b/lib/Service/RoomService.php
index 6117f7f..0e09f20 100644
--- a/lib/Service/RoomService.php
+++ b/lib/Service/RoomService.php
@@ -16,7 +16,6 @@ use OCP\IConfig;
 use OCP\Security\ISecureRandom;
 
 class RoomService {
-
 	/** @var RoomMapper */
 	private $mapper;
 
@@ -33,7 +32,8 @@ class RoomService {
 		RoomMapper $mapper,
 		IConfig $config,
 		IEventDispatcher $eventDispatcher,
-		ISecureRandom $random) {
+		ISecureRandom $random
+	) {
 		$this->mapper = $mapper;
 		$this->config = $config;
 		$this->eventDispatcher = $eventDispatcher;
@@ -137,7 +137,8 @@ class RoomService {
 		bool $cleanLayout,
 		bool $joinMuted,
 		string $presentationUserId,
-		string $presentationPath) {
+		string $presentationPath
+	) {
 		try {
 			$room = $this->mapper->find($id);