新增 mobile/：畅联手机端 Flutter 工程（B-58）
- 登录：工号+密码走 account-service /api/login，自动登录、被踢下线回登录页 - 消息：会话列表（未读角标/免打扰/时间）、单聊群聊、文字/语音/图片/文件消息、失败重发、历史分页 - 通讯录：新的同事/我的群聊入口、按部门分组（好友 ex 字段）、搜索 - 通话：一对一语音通话（信令走 OpenIM 自定义消息 + LiveKit，token 走 /api/rtc_token） - 界面按确认效果图 m1/m2/m3 实现，主色 #3B87F5，四态视图齐全，无英文残留
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KIMI
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import 'dart:async';
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import 'dart:convert';
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import 'dart:io';
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import 'package:flutter/foundation.dart';
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import 'package:flutter_openim_sdk/flutter_openim_sdk.dart';
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import 'package:path_provider/path_provider.dart';
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import '../config.dart';
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import '../models/signaling.dart';
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/// SDK 与服务器的连接状态
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enum ConnectStatus { idle, connecting, success, failed }
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/// 通话信令的自定义消息类型（与官方样板工程保持一致，保证互通）
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class SignalingType {
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SignalingType._();
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static const int callingInvite = 200; // 发起呼叫
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static const int callingAccept = 201; // 接听
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static const int callingReject = 202; // 拒接
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static const int callingCancel = 203; // 取消呼叫
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static const int callingHungup = 204; // 挂断
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}
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/// OpenIM SDK 的统一封装：初始化、登录、监听、会话列表。
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/// 用 ChangeNotifier 做状态分发，不引入额外状态管理框架。
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class IMService extends ChangeNotifier {
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IMService._();
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static final IMService instance = IMService._();
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/// SDK 是否已初始化（App 启动时做一次）
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bool sdkReady = false;
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/// 与服务器的连接状态（断网横幅用）
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ConnectStatus connectStatus = ConnectStatus.idle;
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/// 是否已登录
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bool loggedIn = false;
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/// 会话首次同步中（消息列表的「正在加载」态）
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bool syncing = true;
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/// 会话同步失败（消息列表的「加载失败」态）
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bool syncFailed = false;
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/// 会话同步是否完成过至少一次（区分「正在加载」和「还没有消息」）
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bool conversationsLoaded = false;
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/// 会话列表（置顶在前，其余按最新消息时间倒序）
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List<ConversationInfo> conversations = [];
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/// 当前登录用户信息
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UserInfo? selfInfo;
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/// 当前登录凭证（发起通话取 LiveKit token 时要用）
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String? currentUserID;
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String? currentToken;
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/// 被踢下线 / token 失效时的回调（由 main.dart 设置：清缓存、回登录页）
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void Function()? onForceLogout;
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/// 收到新消息（聊天页订阅）
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final StreamController<Message> _newMsgController = StreamController<Message>.broadcast();
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Stream<Message> get onNewMessage => _newMsgController.stream;
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/// 消息被撤回（撤回方的 clientMsgID，聊天页订阅）
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final StreamController<String> _revokeController = StreamController<String>.broadcast();
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Stream<String> get onMessageRevoked => _revokeController.stream;
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/// 收到通话信令（仅在线自定义消息，通话模块订阅）
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final StreamController<Message> _signalingController = StreamController<Message>.broadcast();
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Stream<Message> get onSignaling => _signalingController.stream;
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int get platformID => Platform.isIOS ? IMPlatform.ios : IMPlatform.android;
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/// App 启动时初始化 SDK（只做一次）
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Future<void> init() async {
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if (sdkReady) return;
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final dir = await getApplicationDocumentsDirectory();
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final dataDir = '${dir.path}/openim';
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await Directory(dataDir).create(recursive: true);
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final ok = await OpenIM.iMManager.initSDK(
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platformID: platformID,
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apiAddr: apiAddr,
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wsAddr: wsAddr,
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dataDir: dataDir,
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logFilePath: dataDir,
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logLevel: 6,
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listener: OnConnectListener(
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onConnecting: () {
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connectStatus = ConnectStatus.connecting;
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notifyListeners();
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},
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onConnectSuccess: () {
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connectStatus = ConnectStatus.success;
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notifyListeners();
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},
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onConnectFailed: (code, error) {
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connectStatus = ConnectStatus.failed;
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notifyListeners();
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},
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onKickedOffline: _forceLogout,
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onUserTokenExpired: _forceLogout,
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onUserTokenInvalid: _forceLogout,
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),
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);
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sdkReady = ok == true;
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_setBusinessListeners();
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notifyListeners();
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}
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void _setBusinessListeners() {
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OpenIM.iMManager.conversationManager.setConversationListener(
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OnConversationListener(
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onSyncServerStart: (reInstall) {
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syncing = true;
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syncFailed = false;
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notifyListeners();
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},
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onSyncServerFinish: (reInstall) {
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syncing = false;
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conversationsLoaded = true;
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refreshConversations();
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},
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onSyncServerFailed: (reInstall) {
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syncing = false;
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syncFailed = true;
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notifyListeners();
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},
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onConversationChanged: (list) => refreshConversations(),
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onNewConversation: (list) => refreshConversations(),
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onTotalUnreadMessageCountChanged: (count) => notifyListeners(),
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),
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);
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OpenIM.iMManager.messageManager.setAdvancedMsgListener(
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OnAdvancedMsgListener(
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onRecvNewMessage: (msg) {
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_newMsgController.add(msg);
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},
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onRecvOfflineNewMessage: (msg) {
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_newMsgController.add(msg);
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},
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onNewRecvMessageRevoked: (info) {
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if (info.clientMsgID != null) _revokeController.add(info.clientMsgID!);
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},
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onRecvOnlineOnlyMessage: (msg) {
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// 通话信令走「仅在线」的自定义消息，转发给通话模块
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if (msg.contentType == MessageType.custom) {
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_signalingController.add(msg);
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}
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},
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),
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);
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// 好友与群变更只负责刷新界面（通讯录页直接监听 IMService）
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OpenIM.iMManager.friendshipManager.setFriendshipListener(
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OnFriendshipListener(
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onFriendAdded: (info) => notifyListeners(),
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onFriendDeleted: (info) => notifyListeners(),
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onFriendInfoChanged: (info) => notifyListeners(),
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onFriendApplicationAdded: (info) => notifyListeners(),
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onFriendApplicationAccepted: (info) => notifyListeners(),
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onFriendApplicationRejected: (info) => notifyListeners(),
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),
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);
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OpenIM.iMManager.groupManager.setGroupListener(
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OnGroupListener(
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onJoinedGroupAdded: (info) => notifyListeners(),
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onJoinedGroupDeleted: (info) => notifyListeners(),
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onGroupInfoChanged: (info) => notifyListeners(),
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),
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);
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}
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/// 登录（init 之后调用）。userID/token 来自公司账号登录接口。
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Future<void> login({required String userID, required String token}) async {
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await init();
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final user = await OpenIM.iMManager.login(
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userID: userID,
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token: token,
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defaultValue: () async => UserInfo(userID: userID),
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);
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currentUserID = userID;
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currentToken = token;
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selfInfo = user;
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loggedIn = true;
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notifyListeners();
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}
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/// 刷新自己的资料（我的页面展示用）
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Future<void> refreshSelfInfo() async {
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if (!loggedIn) return;
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try {
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selfInfo = await OpenIM.iMManager.userManager.getSelfUserInfo();
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notifyListeners();
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} catch (_) {
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// 拉取失败沿用内存里的旧数据
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}
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}
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/// 退出登录
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Future<void> logout() async {
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try {
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await OpenIM.iMManager.logout();
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} catch (_) {
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// 本地照常清理
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}
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_resetLoginState();
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}
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void _forceLogout() {
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_resetLoginState();
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onForceLogout?.call();
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}
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void _resetLoginState() {
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loggedIn = false;
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currentUserID = null;
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currentToken = null;
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selfInfo = null;
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conversations = [];
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conversationsLoaded = false;
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syncing = true;
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syncFailed = false;
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notifyListeners();
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}
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/// 重新拉取全部会话并排序（置顶在前，其余按最新消息时间倒序）
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Future<void> refreshConversations() async {
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if (!loggedIn) return;
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try {
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final list = await OpenIM.iMManager.conversationManager.getAllConversationList();
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list.sort((a, b) {
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final ap = a.isPinned == true ? 0 : 1;
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final bp = b.isPinned == true ? 0 : 1;
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if (ap != bp) return ap - bp;
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return (b.latestMsgSendTime ?? 0).compareTo(a.latestMsgSendTime ?? 0);
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});
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conversations = list;
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conversationsLoaded = true;
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notifyListeners();
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} catch (_) {
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// 拉取失败保留现有列表
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}
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}
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/// 进入聊天页后清除该会话未读
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Future<void> markConversationRead(String conversationID) async {
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try {
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await OpenIM.iMManager.conversationManager.markConversationMessageAsRead(conversationID: conversationID);
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} catch (_) {
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// 标记失败不影响聊天
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}
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}
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/// 解析「仅在线」自定义消息里的通话信令，不是通话信令返回 null
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static SignalingPayload? parseSignaling(Message msg) {
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try {
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final data = msg.customElem?.data;
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if (data == null || data.isEmpty) return null;
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final map = jsonDecode(data) as Map<String, dynamic>;
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final customType = map['customType'];
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if (customType is! int || customType < 200 || customType > 204) return null;
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final payload = SignalingPayload(
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type: customType,
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invitation: InvitationInfo.fromJson(Map<String, dynamic>.from(map['data'] ?? {})),
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);
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return payload;
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} catch (_) {
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return null;
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}
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}
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}
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/// 一条通话信令
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class SignalingPayload {
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/// 见 [SignalingType]
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final int type;
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final InvitationInfo invitation;
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SignalingPayload({required this.type, required this.invitation});
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/// 房间号
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String? get roomID => invitation.roomID;
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/// 呼叫发起人
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String? get inviterUserID => invitation.inviterUserID;
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}
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