refactored direct chat logic into a shared utility, implemented direct message shortcuts in the participant list and message reactions, and added reaction visibility checks in the message options dialog

2026-05-13 18:46:34 +02:00
parent a09817a975
commit d0ba7c0fd6
5 changed files with 121 additions and 77 deletions
@@ -0,0 +1,66 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+
+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';
+
+/// Opens an existing 1:1 chat with [actorId] or, after confirmation, creates
+/// one. Shared between the group-message context menu and the reactions
+/// overview (per-participant chat shortcut).
+void openOrCreateDirectChat(
+  BuildContext context, {
+  required String actorId,
+  required String actorDisplayName,
+}) {
+  final chatListBloc = context.read<ChatListBloc>();
+
+  GetRoomResponseObject? findExisting() {
+    final rooms = chatListBloc.state.data?.rooms;
+    if (rooms == null) return null;
+    for (final room in rooms.data) {
+      if (room.type == GetRoomResponseObjectConversationType.oneToOne &&
+          room.name == actorId) {
+        return room;
+      }
+    }
+    return null;
+  }
+
+  void switchToChat(GetRoomResponseObject room) {
+    // Pop the previous ChatView first — otherwise it stays in the
+    // back-stack with a now-mismatched currentToken and renders empty
+    // on back-swipe. Stop at popups so an open dialog stays alive.
+    Navigator.of(
+      context,
+    ).popUntil((route) => route.isFirst || route is PopupRoute);
+    AppRoutes.openChatByToken(context, room.token);
+  }
+
+  final existing = findExisting();
+  if (existing != null) {
+    switchToChat(existing);
+    return;
+  }
+
+  ConfirmDialog(
+    title: 'Privatchat starten?',
+    content:
+        'Es existiert noch kein Privatchat mit $actorDisplayName. '
+        'Soll einer erstellt werden?',
+    confirmButton: 'Erstellen',
+    onConfirmAsync: () async {
+      await chatListBloc.createDirectChat(actorId);
+      final created = findExisting();
+      if (created == null) {
+        throw Exception(
+          'Privatchat konnte nach dem Erstellen nicht gefunden werden.',
+        );
+      }
+      if (context.mounted) {
+        switchToChat(created);
+      }
+    },
+  ).asDialog(context);
+}