implemented a comprehensive client-side demo mode triggered by a "demo@" username prefix, serving curated fixture data for all app modules

2026-07-07 20:24:16 +02:00
parent 2668b111f1
commit 9b74c9fd81
45 changed files with 1409 additions and 43 deletions
@@ -3,6 +3,7 @@ import 'dart:developer';

 import 'package:flutter/foundation.dart';

+import '../../api/demo/demo_mode.dart';
 import '../../api/errors/auth_exception.dart';
 import '../../api/errors/error_mapper.dart';
 import '../../api/marianumconnect/auth/device_token_name.dart';
@@ -33,6 +34,20 @@ class LoginController extends ChangeNotifier {
    notifyListeners();

    final user = username.trim().toLowerCase();
+
+    // Demo login: the prefix enters local demo mode, password ignored, no
+    // network (see DemoMode).
+    if (DemoMode.matches(user)) {
+      await AccountData().removeData();
+      await const MarianumConnectTokenStorage().clear();
+      await WidgetSync.clear();
+      await WidgetSync.triggerUpdate();
+      await AccountData().setDemo(user);
+      _loading = false;
+      notifyListeners();
+      return true;
+    }
+
    try {
      await AccountData().removeData();
      // Vorherigen Token revoken bevor wir einen neuen anfordern — ein altes
@@ -11,6 +11,7 @@ import '../../../../state/app/modules/nextcloud_capabilities/bloc/nextcloud_capa
 import '../../../../utils/clipboard_helper.dart';
 import '../../../../widget/centered_leading.dart';
 import '../../../../widget/confirm_dialog.dart';
+import '../../../../widget/demo_restricted.dart';
 import '../../../../widget/details_bottom_sheet.dart';
 import '../../../../widget/info_dialog.dart';
 import 'share_password_sheet.dart';
@@ -35,6 +36,7 @@ void showShareOptionsSheet(
  Share share, {
  required VoidCallback onChanged,
 }) {
+  if (guardDemoAction(context)) return;
  showDetailsBottomSheet(
    context,
    header: ListTile(
@@ -13,6 +13,7 @@ import '../../../../state/app/modules/nextcloud_capabilities/bloc/nextcloud_capa
 import '../../../../utils/clipboard_helper.dart';
 import '../../../../widget/app_progress_indicator.dart';
 import '../../../../widget/centered_leading.dart';
+import '../../../../widget/demo_restricted.dart';
 import '../../../../widget/details_bottom_sheet.dart';
 import '../../../../widget/info_dialog.dart';
 import '../widgets/file_leading.dart';
@@ -23,6 +24,7 @@ import 'share_password_sheet.dart';
 /// gated actions to create new ones (public link, user/group). Capability
 /// gating mirrors the Nextcloud web UI.
 void showShareSheet(BuildContext context, CacheableFile file) {
+  if (guardDemoAction(context)) return;
  showDetailsBottomSheet(
    context,
    header: ListTile(
@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';

 import '../../../../state/app/modules/files/bloc/files_bloc.dart';
 import '../../../../widget/async_action_button.dart';
+import '../../../../widget/demo_restricted.dart';
 import '../../../../widget/details_bottom_sheet.dart';
 import '../../../../widget/file_pick.dart';

@@ -13,6 +14,7 @@ void showAddFileSheet(
  required FilesBloc bloc,
  required Future<void> Function(List<String>? paths) onPickedFiles,
 }) {
+  if (guardDemoAction(context)) return;
  showDetailsBottomSheet(
    context,
    children: (sheetCtx) => [
@@ -15,6 +15,7 @@ import '../../../../utils/file_clipboard.dart';
 import '../../../../utils/haptics.dart';
 import '../../../../widget/centered_leading.dart';
 import '../../../../widget/confirm_dialog.dart';
+import '../../../../widget/demo_restricted.dart';
 import '../../../../widget/details_bottom_sheet.dart';
 import '../../../../widget/downloads/download_trigger.dart';
 import '../../../../widget/info_dialog.dart';
@@ -105,6 +106,7 @@ class _FileElementState extends State<FileElement>
      );
      return;
    }
+    if (guardDemoAction(context)) return;
    if (EndpointData().getEndpointMode() == EndpointMode.stage) {
      InfoDialog.show(
        context,
@@ -135,6 +137,7 @@ class _FileElementState extends State<FileElement>
      isDirectory ? '$folder$name/' : '$folder$name';

  Future<void> _rename() async {
+    if (guardDemoAction(context)) return;
    final controller = TextEditingController(text: widget.file.name);
    try {
      final newName = await showDialog<String>(
@@ -182,6 +185,7 @@ class _FileElementState extends State<FileElement>
  }

  void _putOnClipboard({required bool copy}) {
+    if (guardDemoAction(context)) return;
    if (copy) {
      FileClipboard.instance.copy([widget.file]);
    } else {
@@ -198,6 +202,7 @@ class _FileElementState extends State<FileElement>
  }

  Future<void> _delete() async {
+    if (guardDemoAction(context)) return;
    await showDialog<void>(
      context: context,
      builder: (context) => ConfirmDialog(
@@ -269,6 +274,7 @@ class _FileElementState extends State<FileElement>
            title: const Text('Im Talk-Chat versenden'),
            onTap: () {
              Navigator.of(sheetCtx).pop();
+              if (guardDemoAction(context)) return;
              AppRoutes.openInternalShareToChat(
                context,
                RemoteFileRef.fromCacheable(widget.file),
@@ -4,6 +4,7 @@ import 'package:flutter/material.dart';

 import '../../../../api/marianumconnect/queries/submit_feedback/submit_feedback.dart';
 import '../../../../widget/async_action_button.dart';
+import '../../../../widget/demo_restricted.dart';
 import '../../../../widget/file_pick.dart';
 import '../../../../widget/focus_behaviour.dart';
 import '../../../../widget/info_dialog.dart';
@@ -50,6 +51,7 @@ class _FeedbackDialogState extends State<FeedbackDialog> {
  }

  Future<void> _submit() async {
+    if (guardDemoAction(context)) return;
    if (_feedbackInput.text.trim().isEmpty) {
      setState(() => _textFieldEmpty = true);
      return;
@@ -11,6 +11,7 @@ import '../../../../widget/app_progress_indicator.dart';
 import '../../../../widget/async_action_button.dart';
 import '../../../../widget/avatar_actions_sheet.dart';
 import '../../../../widget/confirm_dialog.dart';
+import '../../../../widget/demo_restricted.dart';
 import '../../../../widget/large_profile_picture_view.dart';
 import '../../../../widget/user_avatar.dart';

@@ -51,6 +52,7 @@ class _AccountSectionState extends State<AccountSection> {
  }

  Future<void> _editAvatar() async {
+    if (guardDemoAction(context)) return;
    final result = await showAvatarActionsSheet(context, allowRemove: true);
    if (result == null || !mounted) return;

@@ -12,6 +12,7 @@ import '../../../../push/push_status.dart';
 import '../../../../state/app/modules/capabilities/bloc/capabilities_cubit.dart';
 import '../../../../state/app/modules/settings/bloc/settings_cubit.dart';
 import '../../../../widget/app_progress_indicator.dart';
+import '../../../../widget/demo_restricted.dart';
 import '../../../../widget/details_bottom_sheet.dart';

 /// Opens the push status checklist: one row per link in the push chain with
@@ -92,6 +93,7 @@ class _PushStatusBodyState extends State<_PushStatusBody>
  }

  Future<void> _reRegister() async {
+    if (guardDemoAction(context)) return;
    if (_busy) return;
    setState(() => _busy = true);
    final messenger = ScaffoldMessenger.of(context);
@@ -111,6 +113,7 @@ class _PushStatusBodyState extends State<_PushStatusBody>
  }

  Future<void> _sendTest() async {
+    if (guardDemoAction(context)) return;
    if (_busy) return;
    setState(() => _busy = true);
    final messenger = ScaffoldMessenger.of(context);
@@ -11,6 +11,7 @@ import '../../../state/app/modules/chat_list/bloc/chat_list_bloc.dart';
 import '../../../state/app/modules/chat_list/bloc/chat_list_state.dart';
 import '../../../state/app/modules/settings/bloc/settings_cubit.dart';
 import '../../../widget/confirm_dialog.dart';
+import '../../../widget/demo_restricted.dart';
 import '../../../widget/placeholder_view.dart';
 import 'join_chat.dart';
 import 'notification_permission_prompt.dart';
@@ -100,6 +101,7 @@ class _ChatListViewState extends State<_ChatListView> {
            heroTag: 'createChat',
            backgroundColor: Theme.of(context).primaryColor,
            onPressed: () {
+              if (guardDemoAction(context)) return;
              showSearch(context: context, delegate: JoinChat()).then((
                username,
              ) {
@@ -5,6 +5,7 @@ import '../../../../api/marianumcloud/talk/room/get_room_response.dart';
 import '../../../../routing/app_routes.dart';
 import '../../../../state/app/modules/chat_list/bloc/chat_list_bloc.dart';
 import '../../../../widget/confirm_dialog.dart';
+import '../../../../widget/demo_restricted.dart';

 /// Opens an existing 1:1 chat with [actorId] or, after confirmation, creates
 /// one. Shared between the group-message context menu and the reactions
@@ -14,6 +15,7 @@ void openOrCreateDirectChat(
  required String actorId,
  required String actorDisplayName,
 }) {
+  if (guardDemoAction(context)) return;
  final chatListBloc = context.read<ChatListBloc>();

  GetRoomResponseObject? findExisting() {
@@ -9,6 +9,7 @@ import '../../../../share_intent/remote_file_ref.dart';
 import '../../../../state/app/modules/chat/bloc/chat_bloc.dart';
 import '../../../../utils/downloads/download_job.dart';
 import '../../../../utils/haptics.dart';
+import '../../../../widget/demo_restricted.dart';
 import '../../../../widget/downloads/download_trigger.dart';
 import '../data/chat_bubble_styles.dart';
 import '../data/chat_message.dart';
@@ -177,6 +178,7 @@ class _ChatBubbleState extends State<ChatBubble>
      return;
    }
    if (message.file == null) return;
+    if (guardDemoAction(context)) return;
    if (isDownloading) {
      confirmCancelDownload();
    } else {
@@ -7,6 +7,7 @@ import '../../../../api/marianumcloud/talk/react_message/react_message.dart';
 import '../../../../api/marianumcloud/talk/react_message/react_message_params.dart';
 import '../../../../api/marianumcloud/talk/room/get_room_response.dart';
 import '../../../../widget/async_action_button.dart';
+import '../../../../widget/demo_restricted.dart';
 import '../../../../widget/emoji_text.dart';

 /// Reactions wrap shown beneath a chat bubble. Tapping a reaction toggles
@@ -60,6 +61,7 @@ class ChatBubbleReactions extends StatelessWidget {
                    ? Theme.of(context).primaryColor
                    : null,
                onPressed: () {
+                  if (guardDemoAction(context)) return;
                  runWithErrorDialog(context, () async {
                    if (hasSelfReacted) {
                      await DeleteReactMessage(
@@ -14,6 +14,7 @@ import '../../../../widget/app_progress_indicator.dart';
 import '../../../../widget/async_action_button.dart';
 import '../../../../widget/confirm_dialog.dart';
 import '../../../../widget/debug/debug_tile.dart';
+import '../../../../widget/demo_restricted.dart';
 import '../../../../widget/details_bottom_sheet.dart';
 import '../../../../widget/emoji_picker_dialog.dart';
 import '../../../../widget/emoji_text.dart';
@@ -64,6 +65,7 @@ void showChatMessageOptionsDialog(
          leading: const Icon(Icons.reply_outlined),
          title: const Text('Antworten'),
          onTap: () {
+            if (guardDemoAction(sheetCtx)) return;
            sheetCtx.read<ChatBloc>().setReferenceMessageId(bubbleData.id);
            Navigator.of(sheetCtx).pop();
          },
@@ -96,6 +98,7 @@ void showChatMessageOptionsDialog(
          leading: const Icon(Icons.cloud_outlined),
          title: const Text('In Cloud speichern'),
          onTap: () {
+            if (guardDemoAction(sheetCtx)) return;
            Navigator.of(sheetCtx).pop();
            if (!parentContext.mounted) return;
            AppRoutes.openInternalSaveToFolder(
@@ -109,6 +112,7 @@ void showChatMessageOptionsDialog(
          leading: const Icon(Icons.shortcut_outlined),
          title: const Text('Weiterleiten'),
          onTap: () {
+            if (guardDemoAction(sheetCtx)) return;
            Navigator.of(sheetCtx).pop();
            if (!parentContext.mounted) return;
            AppRoutes.openForwardMessageToChat(
@@ -143,6 +147,7 @@ void showChatMessageOptionsDialog(
          leading: const Icon(Icons.delete_outline),
          title: const Text('Nachricht löschen'),
          onTap: () {
+            if (guardDemoAction(sheetCtx)) return;
            ConfirmDialog(
              title: 'Nachricht löschen?',
              content: 'Die Nachricht wird für alle Teilnehmer gelöscht.',
@@ -189,6 +194,7 @@ class _ReactionsRowState extends State<_ReactionsRow> {
  }

  Future<void> _react(String emoji) async {
+    if (guardDemoAction(context)) return;
    final ok = await _controller.run(() async {
      await ReactMessage(
        chatToken: widget.chatToken,
@@ -12,6 +12,7 @@ import '../../../../api/marianumcloud/webdav/webdav_api.dart';
 import '../../../../state/app/modules/chat/bloc/chat_bloc.dart';
 import '../../../../state/app/modules/settings/bloc/settings_cubit.dart';
 import '../../../../widget/async_action_button.dart';
+import '../../../../widget/demo_restricted.dart';
 import '../../../../widget/details_bottom_sheet.dart';
 import '../../../../widget/downloads/download_tray.dart';
 import '../../../../widget/emoji_picker_dialog.dart';
@@ -125,6 +126,7 @@ class _ChatTextfieldState extends State<ChatTextfield> {
  }

  void _showAttachmentSheet() {
+    if (guardDemoAction(context)) return;
    showDetailsBottomSheet(
      context,
      children: (sheetCtx) => [
@@ -187,6 +189,7 @@ class _ChatTextfieldState extends State<ChatTextfield> {

  Future<void> _sendMessage(ChatBloc chatBloc) async {
    if (_textBoxController.text.isEmpty) return;
+    if (guardDemoAction(context)) return;
    final text = _textBoxController.text;
    final replyTo = chatBloc.state.data?.referenceMessageId?.toString();
    final ownToken = widget.sendToToken;
@@ -10,6 +10,7 @@ import '../../../../api/mhsl/custom_timetable_event/custom_timetable_event.dart'
 import '../../../../extensions/date_time.dart';
 import '../../../../state/app/modules/timetable/bloc/timetable_bloc.dart';
 import '../../../../widget/async_action_button.dart';
+import '../../../../widget/demo_restricted.dart';
 import '../../../../widget/focus_behaviour.dart';
 import 'custom_event_colors.dart';

@@ -130,6 +131,7 @@ class _CustomEventEditDialogState extends State<CustomEventEditDialog> {
      end.second == 0;

  Future<void> _save() async {
+    if (guardDemoAction(context)) return;
    if (_name.text.trim().isEmpty) {
      throw Exception('Bitte einen Terminnamen eingeben.');
    }
@@ -6,12 +6,14 @@ import 'package:flutter_bloc/flutter_bloc.dart';
 import '../../../../api/mhsl/custom_timetable_event/custom_timetable_event.dart';
 import '../../../../state/app/modules/timetable/bloc/timetable_bloc.dart';
 import '../../../../widget/confirm_dialog.dart';
+import '../../../../widget/demo_restricted.dart';

 Completer<void> showDeleteCustomEventDialog(
  BuildContext context,
  CustomTimetableEvent event,
 ) {
  final completer = Completer<void>();
+  if (guardDemoAction(context)) return completer;
  final bloc = context.read<TimetableBloc>();
  ConfirmDialog(
    title: 'Termin löschen',
@@ -11,6 +11,7 @@ import '../../../state/app/modules/settings/bloc/settings_cubit.dart';
 import '../../../state/app/modules/timetable/bloc/timetable_bloc.dart';
 import '../../../state/app/modules/timetable/bloc/timetable_state.dart';
 import '../../../utils/haptics.dart';
+import '../../../widget/demo_restricted.dart';
 import 'custom_events/custom_event_edit_dialog.dart';
 import 'details/appointment_details_dispatcher.dart';
 import 'widgets/timetable_calendar_view.dart';
@@ -42,6 +43,7 @@ class _TimetableState extends State<Timetable> {
      state.startDate == _mondayOf(_initialDisplayDate());

  Future<void> _openPicker() async {
+    if (guardDemoAction(context)) return;
    final ref = await AppRoutes.openElementPicker(context);
    if (!mounted || ref == null) return;
    setState(() => _selected = ref);