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lib/pages/student/room/viewmodel/stu_room_vm.dart

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+import 'dart:async';
+
+import 'package:app/providers/user_store.dart';
+import 'package:app/request/dto/room/room_info_dto.dart';
+import 'package:app/request/dto/room/room_type_dto.dart';
+import 'package:app/request/dto/room/room_user_dto.dart';
+import 'package:app/request/dto/room/rtc_token_dto.dart';
+import 'package:app/request/websocket/room_protocol.dart';
+import 'package:app/request/websocket/room_websocket.dart';
+import 'package:flutter/cupertino.dart';
+import 'package:logger/logger.dart';
+
+Logger log = Logger();
+
+class StuRoomVM extends ChangeNotifier {
+  ///房间信息
+  final RoomInfoDto roomInfo;
+
+  ///房间开启状态,0没开始，1进行中，2已结束
+  int roomStatus = 0;
+
+  ///其他学生列表，老师信息，自己信息
+  int uid;
+  List<RoomUserDto> otherStuList = [];
+  RoomUserDto? teacherInfo;
+  RoomUserDto? selfInfo;
+
+  ///本人的摄像头、麦克风、扬声器状态是否打开了
+  bool get cameraOpen => selfInfo?.cameraStatus == 1;
+
+  bool get micOpen => selfInfo?.microphoneStatus == 1;
+
+  bool get speakerOpen => selfInfo?.speekerStatus == 1;
+
+  ///ws管理
+  final RoomWebSocket _ws = RoomWebSocket();
+  StreamSubscription<RoomMessage>? _sub;
+
+  RtcTokenDto? get rtcToken => _ws.rtcToken;
+
+  StuRoomVM({required this.roomInfo, required this.uid}) {
+    _startRoom();
+  }
+
+  ///开始链接房间
+  Future<void> _startRoom() async {
+    //如果socket的token没有，先初始化
+    if (_ws.wsToken.isEmpty) {
+      await _ws.initToken(roomInfo.id);
+    }
+    //启动连接
+    await _ws.connect();
+    //
+    _sub = _ws.stream.listen((msg) {
+      //自习室人员变化，同时也设置房间是否开了
+      if (msg.event == RoomEvent.changeUser) {
+        final list = RoomUserDto.listFromJson(msg.data['user_list']);
+        onStudentChange(list);
+        onRoomStartStatus(RoomTypeDto.fromJson(msg.data['room_info']));
+      }
+    });
+  }
+
+  ///学生人员变化事件，（如加入、退出、掉线）
+  void onStudentChange(List<RoomUserDto> list) {
+    List<RoomUserDto> newList = [];
+    for (var t in list) {
+      //设置老师
+      if (t.userType == 2) {
+        teacherInfo = t;
+      } else {
+        //要过滤自己,只要其他学生
+        if (t.userId != uid) {
+          newList.add(t);
+        } else {
+          selfInfo = t;
+        }
+      }
+    }
+    otherStuList = newList;
+    notifyListeners();
+  }
+
+  ///设置房间开启状态
+  void onRoomStartStatus(RoomTypeDto roomInfo) {
+    roomStatus = roomInfo.roomStatus;
+    notifyListeners();
+  }
+
+  ///控制摄像头开关
+  void changeCameraSwitch() {
+    bool isOpen = selfInfo!.cameraStatus == 1;
+    selfInfo!.cameraStatus = isOpen ? 0 : 1;
+    //发送指令
+    _ws.send(RoomCommand.studentActon, {
+      "mute_type": "camera",
+      "is_mute": isOpen ? 1 : 0,
+    });
+    notifyListeners();
+  }
+
+  ///控制麦克风开关
+  void changeMicSwitch() {
+    bool isOpen = selfInfo!.microphoneStatus == 1;
+    selfInfo!.microphoneStatus = isOpen ? 0 : 1;
+    print(selfInfo!.microphoneStatus);
+    //发送指令
+    _ws.send(RoomCommand.studentActon, {
+      "mute_type": "microphone",
+      "is_mute": isOpen ? 1 : 0,
+    });
+    notifyListeners();
+  }
+
+  /// 控制扬声器开关
+  void changeSpeakerSwitch() {
+    bool isOpen = selfInfo!.speekerStatus == 1;
+    selfInfo!.speekerStatus = isOpen ? 0 : 1;
+    //发送指令
+    _ws.send(RoomCommand.studentActon, {
+      "mute_type": "speeker",
+      "is_mute": isOpen ? 1 : 0,
+    });
+    notifyListeners();
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+    _sub?.cancel();
+    _ws.dispose();
+  }
+}