implement keytoken list and all-messages list

flutter/lib/pages/keytoken_list/keytoken_list.dart

@@ -0,0 +1,86 @@
+import 'package:flutter/material.dart';
+import 'package:infinite_scroll_pagination/infinite_scroll_pagination.dart';
+import 'package:provider/provider.dart';
+import 'package:simplecloudnotifier/api/api_client.dart';
+import 'package:simplecloudnotifier/components/layout/scaffold.dart';
+import 'package:simplecloudnotifier/models/keytoken.dart';
+import 'package:simplecloudnotifier/state/application_log.dart';
+import 'package:simplecloudnotifier/state/app_auth.dart';
+import 'package:simplecloudnotifier/pages/keytoken_list/keytoken_list_item.dart';
+
+class KeyTokenListPage extends StatefulWidget {
+  const KeyTokenListPage({super.key});
+
+  @override
+  State<KeyTokenListPage> createState() => _KeyTokenListPageState();
+}
+
+class _KeyTokenListPageState extends State<KeyTokenListPage> {
+  final PagingController<int, KeyToken> _pagingController = PagingController.fromValue(PagingState(nextPageKey: null, itemList: [], error: null), firstPageKey: 0);
+
+  @override
+  void initState() {
+    super.initState();
+
+    _pagingController.addPageRequestListener(_fetchPage);
+
+    _pagingController.refresh();
+  }
+
+  @override
+  void didChangeDependencies() {
+    super.didChangeDependencies();
+  }
+
+  @override
+  void dispose() {
+    ApplicationLog.debug('KeyTokenListPage::dispose');
+    _pagingController.dispose();
+    super.dispose();
+  }
+
+  Future<void> _fetchPage(int pageKey) async {
+    final acc = Provider.of<AppAuth>(context, listen: false);
+
+    ApplicationLog.debug('Start KeyTokenListPage::_pagingController::_fetchPage [ ${pageKey} ]');
+
+    if (!acc.isAuth()) {
+      _pagingController.error = 'Not logged in';
+      return;
+    }
+
+    try {
+      final items = (await APIClient.getKeyTokenList(acc)).toList();
+
+      items.sort((a, b) => -1 * a.timestampCreated.compareTo(b.timestampCreated));
+
+      _pagingController.value = PagingState(nextPageKey: null, itemList: items, error: null);
+    } catch (exc, trace) {
+      _pagingController.error = exc.toString();
+      ApplicationLog.error('Failed to list keytokens: ' + exc.toString(), trace: trace);
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return SCNScaffold(
+      title: "Keys",
+      showSearch: false,
+      showShare: false,
+      child: Padding(
+        padding: EdgeInsets.fromLTRB(8, 4, 8, 4),
+        child: RefreshIndicator(
+          onRefresh: () => Future.sync(
+            () => _pagingController.refresh(),
+          ),
+          child: PagedListView<int, KeyToken>(
+            pagingController: _pagingController,
+            builderDelegate: PagedChildBuilderDelegate<KeyToken>(
+              itemBuilder: (context, item, index) => KeyTokenListItem(item: item),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}