api and storage restructure

lib/api/marianumcloud/webdav/queries/listFiles/listFilesCache.dart

@@ -6,34 +6,20 @@ import 'listFiles.dart';
 import 'listFilesParams.dart';
 import 'listFilesResponse.dart';
 
-class ListFilesCache extends RequestCache<ListFilesResponse> {
-  String path;
-
+class ListFilesCache extends SimpleCache<ListFilesResponse> {
   ListFilesCache({
     required void Function(ListFilesResponse) onUpdate,
-    void Function(ListFilesResponse)? onCacheData,
-    void Function(ListFilesResponse)? onNetworkData,
-    void Function(Exception)? onError,
-    required this.path,
+    super.onCacheData,
+    super.onNetworkData,
+    super.onError,
+    required String path,
   }) : super(
-          RequestCache.cacheNothing,
-          onUpdate,
-          onError: onError ?? RequestCache.ignore,
-          onCacheData: onCacheData,
-          onNetworkData: onNetworkData,
+          cacheTime: RequestCache.cacheNothing,
+          loader: () => ListFiles(ListFilesParams(path)).run(),
+          fromJson: ListFilesResponse.fromJson,
+          onUpdate: onUpdate,
         ) {
-    var bytes = utf8.encode('MarianumMobile-$path');
-    var cacheName = md5.convert(bytes).toString();
+    final cacheName = md5.convert(utf8.encode('MarianumMobile-$path')).toString();
     start('wd-folder-$cacheName');
   }
-
-  @override
-  Future<ListFilesResponse> onLoad() async {
-    var data = await ListFiles(ListFilesParams(path)).run();
-    return data;
-  }
-
-  @override
-  ListFilesResponse onLocalData(String json) => ListFilesResponse.fromJson(jsonDecode(json));
-
 }