Added Nextcloud base

lib/screen/settings/debug/debugOverview.dart

@@ -0,0 +1,90 @@
+import 'dart:convert';
+import 'dart:developer';
+
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:jiffy/jiffy.dart';
+import 'package:localstore/localstore.dart';
+import 'package:marianum_mobile/screen/settings/debug/jsonViewer.dart';
+
+class DebugOverview extends StatefulWidget {
+  const DebugOverview({Key? key}) : super(key: key);
+
+  @override
+  State<DebugOverview> createState() => _DebugOverviewState();
+}
+
+class _DebugOverviewState extends State<DebugOverview> {
+
+  final Localstore storage = Localstore.instance;
+  Future<Map<String, dynamic>?> files = Localstore.instance.collection("MarianumMobile").get();
+  dynamic data;
+
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text("Lokaler cache"),
+      ),
+      body: Column(
+        children: [
+          Expanded(
+            flex: 1,
+            child: ListView(
+              children: [
+                ListTile(
+                  leading: const Icon(Icons.delete_forever),
+                  title: const Text("Cache löschen"),
+                  onTap: () {
+                    storage.collection("MarianumMobile").delete().then((value) => {
+                      Navigator.pop(context)
+                    });
+                  },
+                )
+              ],
+            ),
+          ),
+          const Divider(),
+          FutureBuilder(
+            future: files,
+            builder: (context, snapshot) {
+              if(snapshot.hasData) {
+                List<String> files = snapshot.data?.keys.map((e) => e.toString()).toList() ?? List<String>.empty();
+
+                Map<String, dynamic> getValue(int index) {
+                  return snapshot.data?[files[index]];
+                }
+
+                return Expanded(
+                  flex: 5,
+                  child: ListView.builder(
+                    itemCount: files.length,
+                    itemBuilder: (context, index) {
+                      String filename = files[index].split("/").last;
+                      //String data = getValue(index).toString().replaceAll("{", "{\n    ").replaceAll("[", "[\n    ").replaceAll(",", ",\n    ");
+                      String data = getValue(index).toString();
+
+                      return ListTile(
+                        leading: const Icon(Icons.text_snippet_outlined),
+                        title: Text("(${data.length} z) [$filename] ${Jiffy.unixFromMillisecondsSinceEpoch(getValue(index)['lastupdate']).fromNow()}"),
+                        textColor: Colors.black,
+                        onTap: () {
+                          Navigator.push(context, MaterialPageRoute(builder: (context) {
+                            return JsonViewer(title: filename, data: data);
+                          },));
+                        },
+                      );
+                    },
+                  ),
+                );
+              } else {
+                return snapshot.data == null ? const Text("No data") : const Center(child: CircularProgressIndicator());
+              }
+            },
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/screen/settings/debug/jsonViewer.dart

@@ -0,0 +1,21 @@
+import 'package:flutter/material.dart';
+
+class JsonViewer extends StatelessWidget {
+  String title;
+  String data;
+
+  JsonViewer({Key? key, required this.title, required this.data}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(title),
+      ),
+      body: SingleChildScrollView(
+        scrollDirection: Axis.vertical,
+        child: Text(data.replaceAllMapped(RegExp(r'[{,}]'), (match) => "${match.group(0)}\n    ")),
+      ),
+    );
+  }
+}