feat: 修复了插件需要外部Provider的问题；加上了一个简易的车控状态返回
This commit is contained in:
@@ -1,5 +1,6 @@
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import 'dart:async';
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import 'package:ai_chat_assistant/ai_chat_assistant.dart';
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import 'package:ai_chat_assistant/utils/common_util.dart';
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import 'package:ai_chat_assistant/utils/tts_util.dart';
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import 'package:basic_intl/intl.dart';
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@@ -7,11 +8,6 @@ import 'package:flutter/foundation.dart';
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import 'package:flutter/services.dart';
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import 'package:permission_handler/permission_handler.dart';
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import 'package:uuid/uuid.dart';
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import '../enums/vehicle_command_type.dart';
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import '../enums/message_service_state.dart';
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import '../enums/message_status.dart';
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import '../models/chat_message.dart';
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import '../models/vehicle_cmd.dart';
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import '../services/chat_sse_service.dart';
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import '../services/classification_service.dart';
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import '../services/control_recognition_service.dart';
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@@ -20,48 +16,72 @@ import '../services/control_recognition_service.dart';
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import 'command_service.dart';
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import 'package:fluttertoast/fluttertoast.dart';
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// 用单例的模式创建
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class MessageService extends ChangeNotifier {
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static const MethodChannel _asrChannel = MethodChannel('com.example.ai_chat_assistant/ali_sdk');
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static final MessageService _instance = MessageService._internal();
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static MessageService? _instance;
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factory MessageService() => _instance;
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static MessageService get instance {
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return _instance ??= MessageService._internal();
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}
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// 提供工厂构造函数供 Provider 使用
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factory MessageService() => instance;
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Completer<String>? _asrCompleter;
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MessageService._internal() {
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_asrChannel.setMethodCallHandler((call) async {
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switch (call.method) {
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case "onAsrResult":
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replaceMessage(
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id: _latestUserMessageId!,
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text: call.arguments,
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status: MessageStatus.normal);
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break;
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case "onAsrStop":
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int index = findMessageIndexById(_latestUserMessageId!);
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if (index == -1) {
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return;
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}
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final message = _messages[index];
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if (message.text.isEmpty) {
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removeMessageById(_latestUserMessageId!);
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return;
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}
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if (_asrCompleter != null && !_asrCompleter!.isCompleted) {
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_asrCompleter!.complete(messages.last.text);
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}
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break;
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}
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});
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// 注册MethodChannel的handler
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_asrChannel.setMethodCallHandler(_handleMethodCall);
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}
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@override
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void dispose() {
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// 取消注册MethodChannel的handler，避免内存泄漏和意外回调
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_asrChannel.setMethodCallHandler(null);
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_asrCompleter?.completeError('Disposed');
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_asrCompleter = null;
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super.dispose();
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}
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// 提供真正的销毁方法（可选，用于应用退出时）
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void destroyInstance() {
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_asrChannel.setMethodCallHandler(null);
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_asrCompleter?.completeError('Destroyed');
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_asrCompleter = null;
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super.dispose();
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_instance = null;
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}
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Future<dynamic> _handleMethodCall(MethodCall call) async {
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switch (call.method) {
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case "onAsrResult":
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replaceMessage(
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id: _latestUserMessageId!, text: call.arguments, status: MessageStatus.normal);
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break;
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case "onAsrStop":
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int index = findMessageIndexById(_latestUserMessageId!);
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if (index == -1) {
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return;
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}
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final message = _messages[index];
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if (message.text.isEmpty) {
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removeMessageById(_latestUserMessageId!);
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return;
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}
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if (_asrCompleter != null && !_asrCompleter!.isCompleted) {
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_asrCompleter!.complete(messages.last.text);
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}
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break;
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}
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}
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final ChatSseService _chatSseService = ChatSseService();
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// final LocalTtsService _ttsService = LocalTtsService();
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// final AudioRecorderService _audioService = AudioRecorderService();
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// final VoiceRecognitionService _recognitionService = VoiceRecognitionService();
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final TextClassificationService _classificationService =
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TextClassificationService();
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final TextClassificationService _classificationService = TextClassificationService();
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final VehicleCommandService _vehicleCommandService = VehicleCommandService();
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final List<ChatMessage> _messages = [];
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@@ -122,11 +142,7 @@ class MessageService extends ChangeNotifier {
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String addMessage(String text, bool isUser, MessageStatus status) {
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String uuid = Uuid().v1();
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_messages.add(ChatMessage(
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id: uuid,
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text: text,
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isUser: isUser,
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timestamp: DateTime.now(),
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status: status));
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id: uuid, text: text, isUser: isUser, timestamp: DateTime.now(), status: status));
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notifyListeners();
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return uuid;
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}
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@@ -226,8 +242,7 @@ class MessageService extends ChangeNotifier {
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if (_isReplyAborted) {
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return;
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}
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final vehicleCommandResponse =
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await _vehicleCommandService.getCommandFromText(text);
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final vehicleCommandResponse = await _vehicleCommandService.getCommandFromText(text);
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if (vehicleCommandResponse == null) {
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if (_isReplyAborted) {
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return;
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@@ -235,10 +250,7 @@ class MessageService extends ChangeNotifier {
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String msg = isChinese
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? "无法识别车辆控制命令，请重试"
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: "Cannot recognize the vehicle control command, please try again";
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replaceMessage(
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id: _latestAssistantMessageId!,
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text: msg,
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status: MessageStatus.normal);
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replaceMessage(id: _latestAssistantMessageId!, text: msg, status: MessageStatus.normal);
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} else {
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if (_isReplyAborted) {
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return;
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@@ -259,8 +271,7 @@ class MessageService extends ChangeNotifier {
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if (_isReplyAborted) {
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return;
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}
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if (command.type == VehicleCommandType.unknown ||
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command.error.isNotEmpty) {
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if (command.type == VehicleCommandType.unknown || command.error.isNotEmpty) {
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continue;
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}
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if (command.type == VehicleCommandType.openAC) {
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@@ -268,8 +279,8 @@ class MessageService extends ChangeNotifier {
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}
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bool isSuccess;
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if (containOpenAC && command.type == VehicleCommandType.changeACTemp) {
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isSuccess = await Future.delayed(const Duration(milliseconds: 2000),
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() => processCommand(command, isChinese));
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isSuccess = await Future.delayed(
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const Duration(milliseconds: 2000), () => processCommand(command, isChinese));
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} else {
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isSuccess = await processCommand(command, isChinese);
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}
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@@ -285,8 +296,7 @@ class MessageService extends ChangeNotifier {
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if (_isReplyAborted || successCommandList.isEmpty) {
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return;
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}
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String controlResponse =
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await _vehicleCommandService.getControlResponse(successCommandList);
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String controlResponse = await _vehicleCommandService.getControlResponse(successCommandList);
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if (_isReplyAborted || controlResponse.isEmpty) {
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return;
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}
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@@ -297,20 +307,22 @@ class MessageService extends ChangeNotifier {
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Future<bool> processCommand(VehicleCommand command, bool isChinese) async {
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String msg = "";
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MessageStatus status = MessageStatus.normal;
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final (isSuccess, result) = await CommandService.executeCommand(
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command.type,
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params: command.params);
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var commandObjc = VehicleCommand(type: command.type, params: command.params);
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var client = AIChatAssistantManager.instance.commandClient;
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if (client == null) {
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msg = isChinese ? "车辆控制服务未初始化" : "Vehicle control service is not initialized";
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status = MessageStatus.failure;
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addMessage(msg, false, status);
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return false;
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}
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final (isSuccess, result) = await client.executeCommand(commandObjc);
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if (command.type == VehicleCommandType.locateCar) {
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msg = isChinese
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? "很抱歉，定位车辆位置失败"
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: "Sorry, locate the vehicle unsuccessfully";
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msg = isChinese ? "很抱歉，定位车辆位置失败" : "Sorry, locate the vehicle unsuccessfully";
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status = MessageStatus.failure;
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if (isSuccess && result != null && result.isNotEmpty) {
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String address = result['address'];
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if (address.isNotEmpty) {
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msg = isChinese
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? "已为您找到车辆位置：\"$address\""
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: "The vehicle location is \"$address\"";
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msg = isChinese ? "已为您找到车辆位置：\"$address\"" : "The vehicle location is \"$address\"";
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status = MessageStatus.success;
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}
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}
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@@ -386,8 +398,7 @@ class MessageService extends ChangeNotifier {
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status: MessageStatus.completed,
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);
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} else {
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replaceMessage(
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id: messageId, text: responseText, status: MessageStatus.thinking);
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replaceMessage(id: messageId, text: responseText, status: MessageStatus.thinking);
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}
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} catch (e) {
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abortReply();
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@@ -401,8 +412,7 @@ class MessageService extends ChangeNotifier {
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if (index == -1 || messages[index].status != MessageStatus.thinking) {
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return;
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}
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replaceMessage(
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id: _latestAssistantMessageId!, status: MessageStatus.aborted);
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replaceMessage(id: _latestAssistantMessageId!, status: MessageStatus.aborted);
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}
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void removeMessageById(String id) {
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