feat: M2.1 客户端骨架、BLE 修复、仓库整理与现状板
- BLE: 修复 BlueZ LocalName 与 Includes 冲突，串行注册与退避 - HTTP: 语音对话补 Live2D talking 标志与 session；Web 补 X-Session-Id - Flutter: 角色/对话/模型页 + API，Gradle/依赖升级，麦克风权限 - 文档: 新增 docs/STATUS.md，校准 CLAUDE/PROGRESS/README - 清理: 移除根目录截图与临时模型，运维脚本迁入 scripts/device
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270
clients/flutter/lib/providers/chat_provider.dart
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270
clients/flutter/lib/providers/chat_provider.dart
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import 'dart:async';
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import 'dart:io';
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import 'package:audioplayers/audioplayers.dart';
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import 'package:flutter/foundation.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:record/record.dart';
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import '../models/chat_models.dart';
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import '../services/http_api_service.dart';
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import 'debug_provider.dart';
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class ChatProvider extends ChangeNotifier {
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ChatProvider({
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required HttpApiService httpApiService,
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required DebugProvider debugProvider,
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}) : _http = httpApiService,
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_debug = debugProvider;
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final HttpApiService _http;
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final DebugProvider _debug;
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final AudioRecorder _recorder = AudioRecorder();
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final AudioPlayer _player = AudioPlayer();
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final List<ChatBubble> _messages = <ChatBubble>[];
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String _sessionId = 'app_${DateTime.now().millisecondsSinceEpoch}';
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bool _busy = false;
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bool _recording = false;
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String? _error;
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String? _status;
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List<ChatBubble> get messages => List<ChatBubble>.unmodifiable(_messages);
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bool get isBusy => _busy;
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bool get isRecording => _recording;
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String? get error => _error;
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String? get status => _status;
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String get sessionId => _sessionId;
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void clearHistory() {
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_messages.clear();
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_sessionId = 'app_${DateTime.now().millisecondsSinceEpoch}';
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_error = null;
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_status = '已清空对话';
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notifyListeners();
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}
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Future<void> sendText(String text) async {
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final content = text.trim();
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if (content.isEmpty || _busy) return;
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_messages.add(ChatBubble(role: ChatBubbleRole.user, text: content));
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final pending = ChatBubble(
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role: ChatBubbleRole.assistant,
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text: '思考中...',
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isPending: true,
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);
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_messages.add(pending);
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_busy = true;
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_error = null;
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_status = '角色思考中...';
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notifyListeners();
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try {
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final response = await _http.chatText(
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text: content,
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sessionId: _sessionId,
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);
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await _applyResponse(pending, response);
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} catch (error) {
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pending
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..isPending = false
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..text = '请求失败: $error';
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_error = error.toString();
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_debug.addHttpLog('chatText failed', details: _error);
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} finally {
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_busy = false;
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if (_status == '角色思考中...') {
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_status = null;
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}
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notifyListeners();
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}
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}
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Future<bool> startRecording() async {
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if (_busy || _recording) return false;
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try {
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final hasPermission = await _recorder.hasPermission();
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if (!hasPermission) {
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_error = '需要麦克风权限才能语音对话';
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_status = _error;
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notifyListeners();
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return false;
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}
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final dir = await getTemporaryDirectory();
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final path =
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'${dir.path}/showen_rec_${DateTime.now().millisecondsSinceEpoch}.wav';
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await _recorder.start(
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const RecordConfig(
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encoder: AudioEncoder.wav,
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sampleRate: 16000,
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numChannels: 1,
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),
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path: path,
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);
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_recording = true;
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_error = null;
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_status = '正在录音... 松开发送';
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_debug.addBleLog('Voice recording started');
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notifyListeners();
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return true;
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} catch (error) {
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_error = '无法开始录音: $error';
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_status = _error;
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_debug.addHttpLog('startRecording failed', details: _error);
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notifyListeners();
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return false;
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}
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}
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Future<void> cancelRecording() async {
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if (!_recording) return;
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try {
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final path = await _recorder.stop();
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if (path != null) {
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final file = File(path);
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if (await file.exists()) {
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await file.delete();
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}
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}
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} catch (_) {}
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_recording = false;
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_status = '已取消录音';
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notifyListeners();
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}
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Future<void> stopRecordingAndSend() async {
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if (!_recording || _busy) return;
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_recording = false;
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_status = '正在识别...';
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notifyListeners();
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String? path;
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try {
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path = await _recorder.stop();
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} catch (error) {
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_error = '停止录音失败: $error';
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_status = _error;
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notifyListeners();
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return;
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}
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if (path == null) {
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_error = '没有录到音频';
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_status = _error;
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notifyListeners();
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return;
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}
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final file = File(path);
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if (!await file.exists()) {
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_error = '录音文件不存在';
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_status = _error;
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notifyListeners();
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return;
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}
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final bytes = await file.readAsBytes();
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try {
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await file.delete();
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} catch (_) {}
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if (bytes.length < 1000) {
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_error = '录音太短，请按住再说一会儿';
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_status = _error;
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notifyListeners();
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return;
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}
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_messages.add(
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ChatBubble(role: ChatBubbleRole.user, text: '🎤 语音消息'),
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);
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final pending = ChatBubble(
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role: ChatBubbleRole.assistant,
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text: '思考中...',
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isPending: true,
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);
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_messages.add(pending);
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_busy = true;
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_status = '角色思考中...';
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notifyListeners();
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try {
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final response = await _http.chatAudio(
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bytes: bytes,
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format: 'wav',
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sessionId: _sessionId,
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);
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if (response.transcription != null &&
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response.transcription!.trim().isNotEmpty) {
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// 回填用户气泡为转写文本
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for (var i = _messages.length - 1; i >= 0; i--) {
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if (_messages[i].role == ChatBubbleRole.user) {
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_messages[i].text = response.transcription!;
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break;
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}
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}
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}
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await _applyResponse(pending, response);
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} catch (error) {
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pending
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..isPending = false
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..text = '语音对话失败: $error';
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_error = error.toString();
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_debug.addHttpLog('chatAudio failed', details: _error);
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} finally {
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_busy = false;
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if (_status == '角色思考中...') {
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_status = null;
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}
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notifyListeners();
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}
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}
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Future<void> _applyResponse(
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ChatBubble pending,
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ChatTurnResponse response,
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) async {
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pending.isPending = false;
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if (!response.isOk) {
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pending.text = response.error ?? '对话失败';
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_error = pending.text;
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_status = pending.text;
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return;
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}
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if (response.sessionId.isNotEmpty) {
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_sessionId = response.sessionId;
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}
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pending.text = response.replyText.isEmpty ? '(空回复)' : response.replyText;
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pending.audioPath = response.replyAudioPath;
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_status = '已回复';
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_debug.addHttpLog(
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'chat ok',
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details: 'chars=${pending.text.length} audio=${pending.audioPath != null}',
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);
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if (pending.audioPath != null && pending.audioPath!.isNotEmpty) {
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unawaited(playReply(pending.audioPath!));
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}
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}
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Future<void> playReply(String absolutePath) async {
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try {
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final url = _http.chatAudioFileUrl(absolutePath);
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await _player.stop();
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await _player.play(UrlSource(url));
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_status = '正在播放回复...';
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notifyListeners();
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} catch (error) {
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_error = '播放失败: $error';
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_debug.addHttpLog('playReply failed', details: _error);
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notifyListeners();
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}
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}
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@override
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void dispose() {
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unawaited(_recorder.dispose());
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unawaited(_player.dispose());
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super.dispose();
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}
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}
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