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240405
2026-05-21 11:49:56 +01:00
parent 2f411d08a4
commit 5bda59f7af
5 changed files with 742 additions and 61 deletions
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19
lib/core/routing/app_router.dart
View File

@@ -9,6 +9,7 @@ import '../../features/auth/presentation/pages/signup_page.dart';
import '../../features/dashboard/presentation/pages/student_dashboard_page.dart';
import '../../features/dashboard/presentation/pages/teacher_dashboard_page.dart';
import '../../features/ai_tutor/presentation/pages/tutor_chat_page_simple.dart';
import '../../features/ai_tutor/presentation/pages/chat_history_page.dart';
import '../../features/quiz/presentation/pages/quiz_list_page.dart';
import '../../features/quiz/presentation/pages/quiz_page.dart';
import '../../features/quiz/presentation/pages/teacher_quiz_page.dart';
@@ -35,6 +36,7 @@ class AppRouter {
static const String teacherAnalytics = '/teacher/analytics';
static const String studentAchievements = '/student/achievements';
static const String quizManagement = '/quiz-management';
static const String chatHistory = '/chat-history';
// Nested route paths (without leading slash)
static const String tutorNested = 'tutor';
@@ -147,6 +149,23 @@ class AppRouter {
builder: (context, state) => const TutorChatPageSimple(),
),
// AI Tutor Route with conversation ID (resume conversation)
GoRoute(
path: '$tutor/:conversationId',
name: 'aiTutorConversation',
builder: (context, state) {
final conversationId = state.pathParameters['conversationId']!;
return TutorChatPageSimple(conversationId: conversationId);
},
),
// Chat History Route
GoRoute(
path: chatHistory,
name: 'chatHistory',
builder: (context, state) => const ChatHistoryPage(),
),
// Teacher Analytics Route
GoRoute(
path: teacherAnalytics,

287
lib/core/services/chat_memory_service.dart
View File

@@ -3,34 +3,180 @@ import 'package:firebase_auth/firebase_auth.dart';
import '../utils/logger.dart';
/// Service for managing conversation history in Firestore
/// Structure: conversations/{conversationId}/messages/{messageId}
/// Structure: userChats/{userId}/conversations/{conversationId}/messages/{messageId}
class ChatMemoryService {
static final FirebaseFirestore _firestore = FirebaseFirestore.instance;
static final FirebaseAuth _auth = FirebaseAuth.instance;
/// Get or create a conversation for the current user
static Future<String> _getOrCreateConversationId() async {
/// Current active conversation ID
static String? _currentConversationId;
/// Get current conversation ID
static String? get currentConversationId => _currentConversationId;
/// Set current conversation ID
static void setCurrentConversationId(String? id) {
_currentConversationId = id;
}
/// Create a new conversation
static Future<String> createConversation({
required List<String> selectedMaterialIds,
String? title,
}) async {
final user = _auth.currentUser;
if (user == null) {
throw Exception('User not authenticated');
}
// For simplicity, use user's UID as conversation ID
// In a multi-conversation system, this would create new conversation docs
return user.uid;
final conversationRef = await _firestore
.collection('userChats')
.doc(user.uid)
.collection('conversations')
.add({
'title': title ?? 'Nova conversa',
'createdAt': FieldValue.serverTimestamp(),
'updatedAt': FieldValue.serverTimestamp(),
'selectedMaterialIds': selectedMaterialIds,
'messageCount': 0,
});
_currentConversationId = conversationRef.id;
Logger.info('Created new conversation: ${conversationRef.id}');
return conversationRef.id;
}
/// Update conversation materials
static Future<void> updateConversationMaterials({
required String conversationId,
required List<String> selectedMaterialIds,
}) async {
try {
await _firestore
.collection('userChats')
.doc(_auth.currentUser?.uid)
.collection('conversations')
.doc(conversationId)
.update({
'selectedMaterialIds': selectedMaterialIds,
'updatedAt': FieldValue.serverTimestamp(),
});
Logger.info('Updated materials for conversation: $conversationId');
} catch (e) {
Logger.error('Error updating conversation materials: $e');
}
}
/// Update conversation title
static Future<void> updateConversationTitle({
required String conversationId,
required String title,
}) async {
try {
await _firestore
.collection('userChats')
.doc(_auth.currentUser?.uid)
.collection('conversations')
.doc(conversationId)
.update({'title': title, 'updatedAt': FieldValue.serverTimestamp()});
Logger.info('Updated title for conversation: $conversationId');
} catch (e) {
Logger.error('Error updating conversation title: $e');
}
}
/// Get all conversations for current user
static Future<List<Map<String, dynamic>>> getConversations() async {
try {
final user = _auth.currentUser;
if (user == null) return [];
final snapshot = await _firestore
.collection('userChats')
.doc(user.uid)
.collection('conversations')
.orderBy('updatedAt', descending: true)
.get();
final conversations = snapshot.docs.map((doc) {
final data = doc.data();
return {
'id': doc.id,
'title': data['title'] as String? ?? 'Sem título',
'createdAt': data['createdAt'] as Timestamp?,
'updatedAt': data['updatedAt'] as Timestamp?,
'selectedMaterialIds':
(data['selectedMaterialIds'] as List<dynamic>?)?.cast<String>() ??
[],
'messageCount': data['messageCount'] as int? ?? 0,
};
}).toList();
Logger.info('Retrieved ${conversations.length} conversations');
return conversations;
} catch (e) {
Logger.error('Error getting conversations: $e');
return [];
}
}
/// Delete a conversation
static Future<void> deleteConversation(String conversationId) async {
try {
final user = _auth.currentUser;
if (user == null) return;
// Delete all messages in the conversation
final messagesSnapshot = await _firestore
.collection('userChats')
.doc(user.uid)
.collection('conversations')
.doc(conversationId)
.collection('messages')
.get();
final batch = _firestore.batch();
for (final doc in messagesSnapshot.docs) {
batch.delete(doc.reference);
}
// Delete the conversation document
batch.delete(
_firestore
.collection('userChats')
.doc(user.uid)
.collection('conversations')
.doc(conversationId),
);
await batch.commit();
if (_currentConversationId == conversationId) {
_currentConversationId = null;
}
Logger.info('Deleted conversation: $conversationId');
} catch (e) {
Logger.error('Error deleting conversation: $e');
}
}
/// Save a message to Firestore
static Future<void> saveMessage({
required String role, // 'user' or 'assistant'
required String content,
String? conversationId,
}) async {
try {
final conversationId = await _getOrCreateConversationId();
final user = _auth.currentUser;
if (user == null) return;
final convId = conversationId ?? _currentConversationId;
if (convId == null) {
Logger.warning('No conversation ID, message not saved');
return;
}
final messageData = {
'role': role,
'content': content,
@@ -39,26 +185,45 @@ class ChatMemoryService {
};
await _firestore
.collection('userChats')
.doc(user.uid)
.collection('conversations')
.doc(conversationId)
.doc(convId)
.collection('messages')
.add(messageData);
Logger.info('Message saved to Firestore: role=$role');
// Update conversation metadata
await _firestore
.collection('userChats')
.doc(user.uid)
.collection('conversations')
.doc(convId)
.update({
'updatedAt': FieldValue.serverTimestamp(),
'messageCount': FieldValue.increment(1),
});
Logger.info(
'Message saved to Firestore: role=$role, conversation=$convId',
);
} catch (e) {
Logger.error('Error saving message: $e');
}
}
/// Get the last N messages from conversation history
/// Get the last N messages from a specific conversation
/// Returns list of messages sorted by createdAt ascending (oldest first)
static Future<List<Map<String, dynamic>>> getRecentMessages({
static Future<List<Map<String, dynamic>>> getConversationMessages({
required String conversationId,
int limit = 20,
}) async {
try {
final conversationId = await _getOrCreateConversationId();
final user = _auth.currentUser;
if (user == null) return [];
final snapshot = await _firestore
.collection('userChats')
.doc(user.uid)
.collection('conversations')
.doc(conversationId)
.collection('messages')
@@ -68,64 +233,110 @@ class ChatMemoryService {
// Convert to list and reverse to get ascending order (oldest first)
final messages = snapshot.docs
.map((doc) => {
.map(
(doc) => {
'role': doc.data()['role'] as String,
'content': doc.data()['content'] as String,
'createdAt': doc.data()['createdAt'] as Timestamp?,
})
},
)
.toList()
.reversed
.toList();
// Log de confirmação de ordem
if (messages.isNotEmpty) {
Logger.info('History order fixed. First message: ${messages.first['role']} - ${(messages.first['content'] as String).substring(0, (messages.first['content'] as String).length > 30 ? 30 : (messages.first['content'] as String).length)}...');
}
Logger.info('Retrieved ${messages.length} messages from history (oldest first)');
Logger.info(
'Retrieved ${messages.length} messages from conversation $conversationId',
);
return messages;
} catch (e) {
Logger.error('Error getting recent messages: $e');
Logger.error('Error getting conversation messages: $e');
return [];
}
}
/// Build messages array for API request
/// Get conversation details
static Future<Map<String, dynamic>?> getConversation(
String conversationId,
) async {
try {
final user = _auth.currentUser;
if (user == null) return null;
final doc = await _firestore
.collection('userChats')
.doc(user.uid)
.collection('conversations')
.doc(conversationId)
.get();
if (!doc.exists) return null;
final data = doc.data();
return {
'id': doc.id,
'title': data?['title'] as String? ?? 'Sem título',
'createdAt': data?['createdAt'] as Timestamp?,
'updatedAt': data?['updatedAt'] as Timestamp?,
'selectedMaterialIds':
(data?['selectedMaterialIds'] as List<dynamic>?)?.cast<String>() ??
[],
'messageCount': data?['messageCount'] as int? ?? 0,
};
} catch (e) {
Logger.error('Error getting conversation: $e');
return null;
}
}
/// Build messages array for API request from current conversation
/// Returns list of message maps with 'role' and 'content' keys
static Future<List<Map<String, String>>> buildMessagesForAPI({
required String currentUserMessage,
String? conversationId,
int historyLimit = 20,
}) async {
final messages = <Map<String, String>>[];
// 1. Get recent conversation history
final history = await getRecentMessages(limit: historyLimit);
final convId = conversationId ?? _currentConversationId;
if (convId != null) {
// Get recent conversation history
final history = await getConversationMessages(
conversationId: convId,
limit: historyLimit,
);
// 2. Add historical messages
// Add historical messages
for (final msg in history) {
messages.add({
'role': msg['role'] as String,
'content': msg['content'] as String,
});
}
}
// 3. Add current user message
messages.add({
'role': 'user',
'content': currentUserMessage,
});
// Add current user message
messages.add({'role': 'user', 'content': currentUserMessage});
Logger.info('Built messages array with ${messages.length} messages for API');
Logger.info(
'Built messages array with ${messages.length} messages for API',
);
return messages;
}
/// Clear conversation history for current user
/// Clear current conversation history
static Future<void> clearHistory() async {
try {
final conversationId = await _getOrCreateConversationId();
final user = _auth.currentUser;
if (user == null) return;
final convId = _currentConversationId;
if (convId == null) return;
final snapshot = await _firestore
.collection('userChats')
.doc(user.uid)
.collection('conversations')
.doc(conversationId)
.doc(convId)
.collection('messages')
.get();
@@ -136,6 +347,14 @@ class ChatMemoryService {
}
await batch.commit();
// Reset message count
await _firestore
.collection('userChats')
.doc(user.uid)
.collection('conversations')
.doc(convId)
.update({'messageCount': 0});
Logger.info('Conversation history cleared');
} catch (e) {
Logger.error('Error clearing history: $e');

14
lib/core/services/rag_ai_service.dart
View File

@@ -51,7 +51,11 @@ IMPORTANTE - RESPOSTAS COMPLETAS:
});
// PASSO 3 — BUSCAR MEMÓRIA DA CONVERSA NA Cloud Firestore
final conversationHistory = await ChatMemoryService.getRecentMessages(
final conversationId = ChatMemoryService.currentConversationId;
if (conversationId != null) {
final conversationHistory =
await ChatMemoryService.getConversationMessages(
conversationId: conversationId,
limit: 20,
);
for (final msg in conversationHistory) {
@@ -60,6 +64,7 @@ IMPORTANTE - RESPOSTAS COMPLETAS:
'content': msg['content'] as String,
});
}
}
// PASSO 4 — BUSCAR PDFs DO PROFESSOR NO Firebase Storage (RAG CHUNK RETRIEVAL)
final pdfContext = await MaterialsRAGService.getRelevantChunks(
@@ -905,7 +910,11 @@ IMPORTANTE - RESPOSTAS COMPLETAS:
});
// PASSO 3 — BUSCAR MEMÓRIA DA CONVERSA NA Cloud Firestore (máx 4 para poupar heap)
final conversationHistory = await ChatMemoryService.getRecentMessages(
final conversationId = ChatMemoryService.currentConversationId;
if (conversationId != null) {
final conversationHistory =
await ChatMemoryService.getConversationMessages(
conversationId: conversationId,
limit: 4,
);
for (final msg in conversationHistory) {
@@ -914,6 +923,7 @@ IMPORTANTE - RESPOSTAS COMPLETAS:
'content': msg['content'] as String,
});
}
}
// Log de confirmação de ordem do histórico
if (messages.length > 1) {

322
lib/features/ai_tutor/presentation/pages/chat_history_page.dart Normal file
View File

@@ -0,0 +1,322 @@
import 'package:flutter/material.dart';
import 'package:flutter_animate/flutter_animate.dart';
import 'package:go_router/go_router.dart';
import 'package:cloud_firestore/cloud_firestore.dart';
import '../../../../core/services/chat_memory_service.dart';
import '../../../../core/utils/logger.dart';
class ChatHistoryPage extends StatefulWidget {
const ChatHistoryPage({super.key});
@override
State<ChatHistoryPage> createState() => _ChatHistoryPageState();
}
class _ChatHistoryPageState extends State<ChatHistoryPage> {
List<Map<String, dynamic>> _conversations = [];
bool _isLoading = true;
@override
void initState() {
super.initState();
_loadConversations();
}
Future<void> _loadConversations() async {
setState(() => _isLoading = true);
try {
final conversations = await ChatMemoryService.getConversations();
if (mounted) {
setState(() {
_conversations = conversations;
_isLoading = false;
});
}
} catch (e) {
Logger.error('Error loading conversations: $e');
if (mounted) {
setState(() => _isLoading = false);
}
}
}
Future<void> _deleteConversation(String conversationId) async {
final confirmed = await showDialog<bool>(
context: context,
builder: (context) => AlertDialog(
title: const Text('Eliminar conversa'),
content: const Text('Tem certeza que deseja eliminar esta conversa?'),
actions: [
TextButton(
onPressed: () => Navigator.pop(context, false),
child: const Text('Cancelar'),
),
TextButton(
onPressed: () => Navigator.pop(context, true),
style: TextButton.styleFrom(foregroundColor: Colors.red),
child: const Text('Eliminar'),
),
],
),
);
if (confirmed != true) return;
try {
await ChatMemoryService.deleteConversation(conversationId);
await _loadConversations();
if (mounted) {
ScaffoldMessenger.of(
context,
).showSnackBar(const SnackBar(content: Text('Conversa eliminada')));
}
} catch (e) {
Logger.error('Error deleting conversation: $e');
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Erro ao eliminar conversa')),
);
}
}
}
String _formatDate(Timestamp? timestamp) {
if (timestamp == null) return '';
final date = timestamp.toDate();
final now = DateTime.now();
final difference = now.difference(date);
if (difference.inDays == 0) {
return 'Hoje ${date.hour.toString().padLeft(2, '0')}:${date.minute.toString().padLeft(2, '0')}';
} else if (difference.inDays == 1) {
return 'Ontem';
} else if (difference.inDays < 7) {
return '${difference.inDays} dias atrás';
} else {
return '${date.day}/${date.month}/${date.year}';
}
}
@override
Widget build(BuildContext context) {
final cs = Theme.of(context).colorScheme;
return Scaffold(
backgroundColor: cs.surfaceContainerLowest,
appBar: AppBar(
backgroundColor: cs.surface,
elevation: 0,
leading: IconButton(
icon: Icon(Icons.arrow_back, color: cs.onSurface),
onPressed: () => context.go('/student-dashboard'),
),
title: Text(
'Histórico de Conversas',
style: TextStyle(
color: cs.onSurface,
fontSize: 18,
fontWeight: FontWeight.bold,
),
),
actions: [
IconButton(
icon: Icon(Icons.refresh, color: cs.onSurface),
onPressed: _loadConversations,
),
],
),
body: _isLoading
? const Center(child: CircularProgressIndicator())
: _conversations.isEmpty
? Center(
child: Padding(
padding: const EdgeInsets.all(32),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Icon(
Icons.chat_bubble_outline,
size: 64,
color: cs.onSurfaceVariant.withValues(alpha: 0.4),
),
const SizedBox(height: 16),
Text(
'Sem conversas ainda',
style: TextStyle(
color: cs.onSurfaceVariant,
fontSize: 16,
),
),
const SizedBox(height: 8),
Text(
'Começa uma conversa com o Vico!',
style: TextStyle(
color: cs.onSurfaceVariant.withValues(alpha: 0.7),
fontSize: 14,
),
),
],
),
),
)
: ListView.separated(
padding: const EdgeInsets.all(16),
itemCount: _conversations.length,
separatorBuilder: (_, __) => const SizedBox(height: 12),
itemBuilder: (context, index) {
final conversation = _conversations[index];
return _buildConversationCard(conversation, cs);
},
),
);
}
Widget _buildConversationCard(
Map<String, dynamic> conversation,
ColorScheme cs,
) {
return Dismissible(
key: Key(conversation['id']),
direction: DismissDirection.endToStart,
onDismissed: (_) => _deleteConversation(conversation['id']),
background: Container(
decoration: BoxDecoration(
color: Colors.red,
borderRadius: BorderRadius.circular(16),
),
alignment: Alignment.centerRight,
padding: const EdgeInsets.only(right: 20),
child: const Icon(Icons.delete, color: Colors.white),
),
child: InkWell(
onTap: () {
ChatMemoryService.setCurrentConversationId(conversation['id']);
context.go('/ai-tutor/${conversation['id']}');
},
borderRadius: BorderRadius.circular(16),
child: Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: cs.surface,
borderRadius: BorderRadius.circular(16),
border: Border.all(color: cs.outline.withValues(alpha: 0.15)),
boxShadow: [
BoxShadow(
color: cs.shadow.withValues(alpha: 0.05),
blurRadius: 8,
offset: const Offset(0, 2),
),
],
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Container(
width: 48,
height: 48,
decoration: BoxDecoration(
gradient: LinearGradient(
colors: [cs.primary, cs.primary.withValues(alpha: 0.7)],
),
borderRadius: BorderRadius.circular(12),
),
child: const Icon(
Icons.chat_bubble,
color: Colors.white,
size: 24,
),
),
const SizedBox(width: 12),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
conversation['title'],
style: TextStyle(
color: cs.onSurface,
fontSize: 16,
fontWeight: FontWeight.bold,
),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
const SizedBox(height: 4),
Row(
children: [
Icon(
Icons.access_time,
size: 12,
color: cs.onSurfaceVariant,
),
const SizedBox(width: 4),
Text(
_formatDate(conversation['updatedAt']),
style: TextStyle(
color: cs.onSurfaceVariant,
fontSize: 12,
),
),
const SizedBox(width: 12),
Icon(
Icons.message,
size: 12,
color: cs.onSurfaceVariant,
),
const SizedBox(width: 4),
Text(
'${conversation['messageCount']} msgs',
style: TextStyle(
color: cs.onSurfaceVariant,
fontSize: 12,
),
),
],
),
],
),
),
Icon(Icons.chevron_right, color: cs.onSurfaceVariant),
],
),
if (conversation['selectedMaterialIds'] != null &&
(conversation['selectedMaterialIds'] as List).isNotEmpty)
Padding(
padding: const EdgeInsets.only(top: 12),
child: Wrap(
spacing: 6,
runSpacing: 6,
children: (conversation['selectedMaterialIds'] as List)
.take(3)
.map<Widget>(
(id) => Container(
padding: const EdgeInsets.symmetric(
horizontal: 8,
vertical: 4,
),
decoration: BoxDecoration(
color: cs.primary.withValues(alpha: 0.1),
borderRadius: BorderRadius.circular(8),
),
child: Text(
id.length > 15 ? '${id.substring(0, 15)}...' : id,
style: TextStyle(
color: cs.primary,
fontSize: 11,
fontWeight: FontWeight.w500,
),
),
),
)
.toList(),
),
),
],
),
),
),
).animate().slideX(duration: 300.ms).fadeIn(duration: 300.ms);
}
}

117
lib/features/ai_tutor/presentation/pages/tutor_chat_page_simple.dart
View File

@@ -12,7 +12,9 @@ import '../../../materials/presentation/pages/pdf_viewer_page.dart';
/// Simple AI Tutor chat interface page (for testing)
class TutorChatPageSimple extends StatefulWidget {
const TutorChatPageSimple({super.key});
final String? conversationId;
const TutorChatPageSimple({super.key, this.conversationId});
@override
State<TutorChatPageSimple> createState() => _TutorChatPageSimpleState();
@@ -36,6 +38,10 @@ class _TutorChatPageSimpleState extends State<TutorChatPageSimple>
void initState() {
super.initState();
_loadAvailableMaterials();
if (widget.conversationId != null) {
ChatMemoryService.setCurrentConversationId(widget.conversationId);
_loadConversation(widget.conversationId!);
}
}
Future<void> _loadAvailableMaterials() async {
@@ -66,6 +72,46 @@ class _TutorChatPageSimpleState extends State<TutorChatPageSimple>
}
}
Future<void> _loadConversation(String conversationId) async {
try {
final conversation = await ChatMemoryService.getConversation(
conversationId,
);
if (conversation == null) return;
final messages = await ChatMemoryService.getConversationMessages(
conversationId: conversationId,
limit: 50,
);
final materialIds = conversation['selectedMaterialIds'] as List<dynamic>?;
if (materialIds != null) {
setState(() {
_selectedMaterialIds = materialIds.cast<String>().toSet();
_materialsConfirmed = true;
});
}
// Load messages from Firestore
final loadedMessages = messages.map((msg) {
return {
'content': msg['content'] as String,
'isUser': msg['role'] == 'user',
'timestamp': msg['createdAt'] as Timestamp? ?? DateTime.now(),
};
}).toList();
if (mounted) {
setState(() {
_messages = loadedMessages;
});
_scrollToBottom();
}
} catch (e) {
Logger.error('Error loading conversation: $e');
}
}
@override
void dispose() {
_messageController.dispose();
@@ -202,6 +248,14 @@ class _TutorChatPageSimpleState extends State<TutorChatPageSimple>
tapTargetSize: MaterialTapTargetSize.shrinkWrap,
),
),
IconButton(
onPressed: () => context.go('/chat-history'),
icon: const Icon(
Icons.history,
color: Colors.white,
size: 20,
),
),
const SizedBox(width: 4),
],
),
@@ -1190,11 +1244,48 @@ class _TutorChatPageSimpleState extends State<TutorChatPageSimple>
ElevatedButton(
onPressed: tempSelected.isEmpty
? null
: () {
: () async {
final isFirst = !_materialsConfirmed;
final selectionChanged =
!tempSelected.containsAll(_selectedMaterialIds) ||
!_selectedMaterialIds.containsAll(tempSelected);
// Create new conversation if materials changed or first time
if (isFirst || selectionChanged) {
final newConversationId =
await ChatMemoryService.createConversation(
selectedMaterialIds: tempSelected.toList(),
title: 'Nova conversa',
);
ChatMemoryService.setCurrentConversationId(
newConversationId,
);
// Update title based on first message if exists
if (_messages.isNotEmpty &&
_messages.first['isUser'] == true) {
final firstMessage =
_messages.first['content'] as String;
final title = firstMessage.length > 30
? '${firstMessage.substring(0, 30)}...'
: firstMessage;
await ChatMemoryService.updateConversationTitle(
conversationId: newConversationId,
title: title,
);
}
} else {
// Update materials in existing conversation
final currentId =
ChatMemoryService.currentConversationId;
if (currentId != null) {
await ChatMemoryService.updateConversationMaterials(
conversationId: currentId,
selectedMaterialIds: tempSelected.toList(),
);
}
}
setState(() {
_selectedMaterialIds = tempSelected;
_materialsConfirmed = true;
@@ -1207,7 +1298,6 @@ class _TutorChatPageSimpleState extends State<TutorChatPageSimple>
});
if (isFirst) _addWelcomeMessage();
if (selectionChanged) {
ChatMemoryService.clearHistory();
RAGAIService.clearLastContext();
}
Navigator.of(dialogContext).pop();
@@ -1250,6 +1340,21 @@ class _TutorChatPageSimpleState extends State<TutorChatPageSimple>
final userMessage = _messageController.text.trim();
// Save user message to Firestore
await ChatMemoryService.saveMessage(role: 'user', content: userMessage);
// Update conversation title if it's the first message
final currentId = ChatMemoryService.currentConversationId;
if (currentId != null && _messages.isEmpty) {
final title = userMessage.length > 30
? '${userMessage.substring(0, 30)}...'
: userMessage;
await ChatMemoryService.updateConversationTitle(
conversationId: currentId,
title: title,
);
}
// Add user message
setState(() {
_messages.add({
@@ -1279,6 +1384,12 @@ class _TutorChatPageSimpleState extends State<TutorChatPageSimple>
: replyText;
Logger.info('Ollama response received: $preview...');
// Save assistant message to Firestore
await ChatMemoryService.saveMessage(
role: 'assistant',
content: replyText,
);
setState(() {
_messages.add({
'content': replyText,