Change PIN to 1451
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
ARCHITECT
295
apps/captain-mobile-v2/flutter/lib/providers/chat_provider.dart
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295
apps/captain-mobile-v2/flutter/lib/providers/chat_provider.dart
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import 'dart:async';
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import 'package:flutter/foundation.dart';
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import '../models/message.dart';
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import '../services/chat_service.dart';
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import '../providers/auth_provider.dart';
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/// Chat provider for v3 API (dynamic Claude sessions)
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class ChatProvider with ChangeNotifier {
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final ChatService _chatService = ChatService();
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final List<Message> _messages = [];
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static const int _maxMessages = 500;
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AuthProvider? _authProvider;
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StreamSubscription? _messageSubscription;
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StreamSubscription? _stateSubscription;
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StreamSubscription? _errorSubscription;
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List<ChatSession> _sessions = [];
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ChatSession? _currentSession;
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bool _isProcessing = false;
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String? _error;
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List<Message> get messages => List.unmodifiable(_messages);
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List<ChatSession> get sessions => List.unmodifiable(_sessions);
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ChatSession? get currentSession => _currentSession;
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bool get isProcessing => _isProcessing;
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bool get isConnected => _chatService.currentState == ChatConnectionState.connected;
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bool get isSessionConnected => _currentSession != null;
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ChatConnectionState get connectionState => _chatService.currentState;
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String? get error => _error;
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void updateAuth(AuthProvider auth) {
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_authProvider = auth;
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_chatService.setToken(auth.token);
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if (auth.isAuthenticated && !isConnected) {
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connect();
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} else if (!auth.isAuthenticated && isConnected) {
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disconnect();
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}
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}
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Future<void> connect() async {
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if (_authProvider?.token == null) return;
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_chatService.setToken(_authProvider!.token);
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_stateSubscription?.cancel();
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_stateSubscription = _chatService.connectionState.listen((state) {
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notifyListeners();
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});
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_errorSubscription?.cancel();
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_errorSubscription = _chatService.errors.listen((error) {
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_error = error;
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notifyListeners();
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});
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_messageSubscription?.cancel();
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_messageSubscription = _chatService.messages.listen(_handleMessage);
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await _chatService.connect();
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}
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void _handleMessage(Map<String, dynamic> data) {
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final type = data['type'];
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debugPrint('ChatProvider: type=$type');
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switch (type) {
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// Initial state with sessions
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case 'init':
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final sessionsList = data['sessions'] as List<dynamic>?;
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if (sessionsList != null) {
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_sessions = sessionsList
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.map((s) => ChatSession.fromJson(s))
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.toList();
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}
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notifyListeners();
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break;
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// Sessions list update
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case 'sessions_list':
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final sessionsList = data['sessions'] as List<dynamic>?;
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if (sessionsList != null) {
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_sessions = sessionsList
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.map((s) => ChatSession.fromJson(s))
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.toList();
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}
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notifyListeners();
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break;
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// Session created (v3)
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case 'session_created':
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final sessionId = data['session_id'] as String?;
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final name = data['name'] as String?;
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if (sessionId != null) {
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final newSession = ChatSession(
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sessionId: sessionId,
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name: name ?? 'New Session',
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);
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_sessions.add(newSession);
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_messages.add(Message(
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role: 'system',
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content: 'Sesión creada: ${newSession.name}',
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));
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// Auto-connect to new session
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connectToSession(sessionId);
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}
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notifyListeners();
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break;
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// Connected to session (v3)
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case 'session_connected':
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final sessionId = data['session_id'] as String?;
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final name = data['name'] as String?;
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if (sessionId != null) {
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_currentSession = _sessions.firstWhere(
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(s) => s.sessionId == sessionId,
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orElse: () => ChatSession(
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sessionId: sessionId,
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name: name ?? 'Session',
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),
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);
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_messages.clear();
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_messages.add(Message(
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role: 'system',
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content: 'Conectado a: ${_currentSession!.name}',
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));
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}
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notifyListeners();
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break;
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// Output from Claude (v3)
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case 'output':
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final content = data['content'] as String? ?? '';
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if (content.isEmpty) break;
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debugPrint('ChatProvider: OUTPUT "${content.substring(0, content.length > 50 ? 50 : content.length)}"');
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_isProcessing = true;
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// Check if it's a progress indicator
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if (content.startsWith('procesando')) {
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// Update or create progress message
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if (_messages.isNotEmpty && _messages.last.role == 'assistant' && _messages.last.isStreaming == true) {
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final lastIndex = _messages.length - 1;
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_messages[lastIndex] = Message(
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role: 'assistant',
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content: content,
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isStreaming: true,
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);
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} else {
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_messages.add(Message(
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role: 'assistant',
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content: content,
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isStreaming: true,
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));
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}
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} else {
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// Real content - replace progress or add new
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if (_messages.isNotEmpty && _messages.last.role == 'assistant' && _messages.last.isStreaming == true) {
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final lastIndex = _messages.length - 1;
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final lastContent = _messages[lastIndex].content;
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// If last message was progress, replace it. Otherwise append.
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if (lastContent.startsWith('procesando')) {
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_messages[lastIndex] = Message(
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role: 'assistant',
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content: content,
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isStreaming: true,
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);
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} else {
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// Append to existing response
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_messages[lastIndex] = Message(
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role: 'assistant',
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content: lastContent + content,
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isStreaming: true,
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);
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}
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} else {
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_messages.add(Message(
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role: 'assistant',
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content: content,
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isStreaming: true,
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));
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}
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}
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_trimMessages();
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notifyListeners();
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break;
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// Response complete (v3)
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case 'done':
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_isProcessing = false;
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// Mark last assistant message as complete
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if (_messages.isNotEmpty && _messages.last.role == 'assistant') {
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final lastIndex = _messages.length - 1;
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_messages[lastIndex] = Message(
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role: 'assistant',
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content: _messages[lastIndex].content,
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isStreaming: false,
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);
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}
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notifyListeners();
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break;
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case 'error':
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_isProcessing = false;
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final errorMsg = data['message'] ?? data['content'] ?? 'Error';
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if (errorMsg.toString().isNotEmpty) {
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_error = errorMsg;
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_messages.add(Message(
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role: 'system',
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content: 'Error: $errorMsg',
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));
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}
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notifyListeners();
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break;
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}
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}
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void _trimMessages() {
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while (_messages.length > _maxMessages) {
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_messages.removeAt(0);
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}
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}
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/// Create and connect to a new session
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void createSession(String name) {
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_chatService.createSession(name);
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}
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/// Connect to an existing session
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void connectToSession(String sessionId) {
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_chatService.connectToSession(sessionId);
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}
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/// Refresh sessions list
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void refreshSessions() {
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_chatService.listSessions();
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}
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/// Send message to current session
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void sendMessage(String content) {
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if (content.trim().isEmpty) return;
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if (!isConnected) {
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_error = 'No conectado al servidor';
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notifyListeners();
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return;
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}
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if (_currentSession == null) {
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_error = 'No hay sesión activa';
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notifyListeners();
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return;
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}
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if (_isProcessing) {
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_error = 'Espera a que termine la respuesta anterior';
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notifyListeners();
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return;
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}
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_messages.add(Message(
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role: 'user',
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content: content,
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));
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_trimMessages();
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_isProcessing = true;
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notifyListeners();
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_chatService.sendMessage(content);
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}
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void clearMessages() {
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_messages.clear();
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notifyListeners();
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}
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void clearError() {
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_error = null;
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notifyListeners();
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}
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void disconnect() {
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_chatService.disconnect();
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_messageSubscription?.cancel();
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_stateSubscription?.cancel();
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_errorSubscription?.cancel();
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_currentSession = null;
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}
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@override
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void dispose() {
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disconnect();
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_chatService.dispose();
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super.dispose();
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}
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}
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