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Mudanças na aba de quiz

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This commit is contained in:
240405
2026-05-17 22:21:23 +01:00
parent 2a2194699b
commit c979692fd9
5 changed files with 1289 additions and 429 deletions
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76
lib/core/services/materials_rag_service.dart
View File

@@ -21,7 +21,8 @@ class MaterialsRAGService {
/// Listar materiais disponíveis para o aluno autenticado
/// Retorna apenas materiais cujo classId corresponde a uma turma onde o aluno está inscrito
static Future<List<Map<String, String>>> getAvailableMaterialsForStudent() async {
static Future<List<Map<String, String>>>
getAvailableMaterialsForStudent() async {
try {
final user = _auth.currentUser;
if (user == null) return [];
@@ -62,7 +63,13 @@ class MaterialsRAGService {
final classId = data['classId'] as String?;
if (classId == null || enrolledClassIds.contains(classId)) {
final fileName = data['fileName'] as String? ?? 'Material';
result.add({'id': doc.id, 'name': fileName});
final teacherId = data['teacherId'] as String?;
result.add({
'id': doc.id,
'name': fileName,
if (classId != null) 'classId': classId,
if (teacherId != null) 'teacherId': teacherId,
});
}
}
@@ -120,9 +127,12 @@ class MaterialsRAGService {
// Usar cache do texto completo se disponível (sufixo v2 invalida caches antigos)
final cacheKey = '${fileName}_v6';
String fullText;
if (_chunksCache.containsKey(cacheKey) && _chunksCache[cacheKey]!.isNotEmpty) {
if (_chunksCache.containsKey(cacheKey) &&
_chunksCache[cacheKey]!.isNotEmpty) {
fullText = _chunksCache[cacheKey]!.first;
Logger.info('Using cached text for $fileName: ${fullText.length} chars');
Logger.info(
'Using cached text for $fileName: ${fullText.length} chars',
);
} else {
try {
final teacherId = data['teacherId'] as String?;
@@ -164,7 +174,9 @@ class MaterialsRAGService {
fullText = cleaned;
// Guardar texto completo no cache com key versionada
_chunksCache[cacheKey] = [fullText];
Logger.info('PDF "$fileName" -> ${fullText.length} chars extracted');
Logger.info(
'PDF "$fileName" -> ${fullText.length} chars extracted',
);
} catch (e) {
Logger.error('Error extracting text from $fileName: $e');
continue;
@@ -176,9 +188,15 @@ class MaterialsRAGService {
final String context;
if (fullText.length <= 10000) {
context = fullText;
Logger.info('Small PDF — sending full text (${fullText.length} chars)');
Logger.info(
'Small PDF — sending full text (${fullText.length} chars)',
);
} else {
final windows = _extractKeywordWindows(fullText, userQuery, _maxRelevantChunks);
final windows = _extractKeywordWindows(
fullText,
userQuery,
_maxRelevantChunks,
);
context = windows.join('\n\n---\n\n');
Logger.info('Large PDF — keyword windows: ${windows.length}');
}
@@ -205,7 +223,11 @@ class MaterialsRAGService {
/// Método legacy - mantido para compatibilidade mas usa chunk retrieval
@Deprecated('Use getRelevantChunks with userQuery instead')
static Future<String> getMaterialsContext({int maxMaterials = 5}) async {
return getRelevantChunks(userQuery: '', maxMaterials: maxMaterials, maxChunks: 3);
return getRelevantChunks(
userQuery: '',
maxMaterials: maxMaterials,
maxChunks: 3,
);
}
/// Get teacher IDs from student's enrolled classes
@@ -273,7 +295,10 @@ class MaterialsRAGService {
/// Extrair texto real do PDF usando Firebase Storage SDK + syncfusion_flutter_pdf
/// Usa getData() para descarregar o ficheiro completo (sem truncar a meio do stream)
static Future<String> _extractFullText(String fileName, String teacherId) async {
static Future<String> _extractFullText(
String fileName,
String teacherId,
) async {
PdfDocument? document;
try {
final ref = _storage
@@ -306,12 +331,16 @@ class MaterialsRAGService {
for (int i = startPage; i < totalPages; i++) {
if (buffer.length >= _maxExtractedChars) break;
try {
final pageText = extractor.extractText(startPageIndex: i, endPageIndex: i).trim();
final pageText = extractor
.extractText(startPageIndex: i, endPageIndex: i)
.trim();
if (pageText.length < 80) continue;
final lowerText = pageText.toLowerCase();
final pipeCount = '|'.allMatches(pageText).length;
final isStructurePage = pipeCount > 3 ||
(lowerText.contains('table of contents') && pageText.length < 800) ||
final isStructurePage =
pipeCount > 3 ||
(lowerText.contains('table of contents') &&
pageText.length < 800) ||
(lowerText.contains('copyright') && pageText.length < 400) ||
(lowerText.contains('color insert') && pageText.length < 400) ||
lowerText.contains('just light novels') ||
@@ -355,8 +384,12 @@ class MaterialsRAGService {
? fullText.substring(0, _maxExtractedChars)
: fullText;
Logger.info('Extracted ${result.length} chars from $fileName (${document.pages.count} pages, ${form.fields.count} form fields)');
Logger.info('Text preview: ${result.length > 200 ? result.substring(0, 200) : result}');
Logger.info(
'Extracted ${result.length} chars from $fileName (${document.pages.count} pages, ${form.fields.count} form fields)',
);
Logger.info(
'Text preview: ${result.length > 200 ? result.substring(0, 200) : result}',
);
return result.trim();
} catch (e) {
Logger.error('Error extracting text from $fileName: $e');
@@ -381,10 +414,9 @@ class MaterialsRAGService {
// Extrair keywords: palavras com >3 chars + nomes próprios (palavras com maiúscula, >2 chars)
// Os nomes próprios são invariantes entre línguas (ex: "Claire", "Rae", "François")
final properNouns = RegExp(r'\b[A-ZÁÉÍÓÚÀÂÊÔÃÕÇ][a-záéíóúàâêôãõç]{2,}\b')
.allMatches(userQuery)
.map((m) => m.group(0)!.toLowerCase())
.toSet();
final properNouns = RegExp(
r'\b[A-ZÁÉÍÓÚÀÂÊÔÃÕÇ][a-záéíóúàâêôãõç]{2,}\b',
).allMatches(userQuery).map((m) => m.group(0)!.toLowerCase()).toSet();
final generalKeywords = userQuery
.toLowerCase()
.split(RegExp(r'[^\w]'))
@@ -428,7 +460,9 @@ class MaterialsRAGService {
lastEnd = end;
}
Logger.info('Keyword windows found: ${windows.length} for query "$userQuery"');
Logger.info(
'Keyword windows found: ${windows.length} for query "$userQuery"',
);
return windows;
}
@@ -516,7 +550,9 @@ class MaterialsRAGService {
// Ordenar por score decrescente
scoredChunks.sort((a, b) => b.value.compareTo(a.value));
Logger.info('Top chunk scores: ${scoredChunks.take(3).map((e) => e.value).toList()}');
Logger.info(
'Top chunk scores: ${scoredChunks.take(3).map((e) => e.value).toList()}',
);
// Retornar os N chunks mais relevantes
return scoredChunks.take(maxChunks).map((e) => e.key).toList();

38
lib/features/dashboard/presentation/widgets/quick_access_widget.dart
View File

@@ -24,7 +24,6 @@ class QuickAccessWidget extends StatelessWidget {
_buildTutorIACard(context),
_buildQuizCard(context),
_buildAchievementsCard(context),
_buildQuizManagementCard(context),
];
return Column(
@@ -70,8 +69,6 @@ class QuickAccessWidget extends StatelessWidget {
SizedBox(width: _scrollCardWidth, child: cards[1]),
const SizedBox(width: 12),
SizedBox(width: _scrollCardWidth, child: cards[2]),
const SizedBox(width: 12),
SizedBox(width: _scrollCardWidth, child: cards[3]),
],
),
),
@@ -166,32 +163,6 @@ class QuickAccessWidget extends StatelessWidget {
);
}
Widget _buildQuizManagementCard(BuildContext context) {
final cs = Theme.of(context).colorScheme;
return ClipRRect(
borderRadius: BorderRadius.circular(16),
child:
DashboardActionCardSurface(
title: 'Gerenciar Quizzes',
subtitle: 'Ver histórico ou eliminar',
icon: Icons.manage_history,
minHeight: _cardMinHeight,
titleFontSize: _titleFontSize,
subtitleFontSize: _subtitleFontSize,
iconSize: _iconSize,
padding: _cardPadding,
iconColor: cs.tertiary,
onTap: () => context.go('/quiz-management'),
)
.animate()
.fadeIn(
duration: const Duration(milliseconds: 300),
curve: Curves.easeOut,
)
.then(delay: const Duration(milliseconds: 250)),
);
}
Widget _buildJoinClassCard(BuildContext context) {
return DashboardActionCard(
title: 'Entrar numa Disciplina',
@@ -245,15 +216,6 @@ class QuickAccessWidget extends StatelessWidget {
context.go('/student/achievements');
},
),
_QuickAccessItem(
title: 'Gerenciar Quizzes',
subtitle: 'Ver histórico ou eliminar',
icon: Icons.manage_history,
onTap: () {
Navigator.pop(context);
context.go('/quiz-management');
},
),
_QuickAccessItem(
title: 'Entrar numa Disciplina',
subtitle: 'Junta-te a uma disciplina com o código',

785
lib/features/quiz/presentation/pages/quiz_list_page.dart
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File diff suppressed because it is too large Load Diff

198
lib/features/quiz/presentation/pages/quiz_management_page.dart
View File

@@ -20,6 +20,10 @@ class _QuizManagementPageState extends State<QuizManagementPage> {
bool _loading = true;
String _userRole = '';
// Disciplina seleccionada (null = vista de disciplinas)
String? _selectedDisciplineId;
Map<String, String> _classNames = {}; // classId → name
@override
void initState() {
super.initState();
@@ -116,9 +120,7 @@ class _QuizManagementPageState extends State<QuizManagementPage> {
}
final snapshot = await query.get();
setState(() {
_quizHistory = snapshot.docs
final quizzes = snapshot.docs
.map((doc) {
final data = Map<String, dynamic>.from(doc.data() as Map);
data['id'] = doc.id;
@@ -126,6 +128,29 @@ class _QuizManagementPageState extends State<QuizManagementPage> {
})
.cast<Map<String, dynamic>>()
.toList();
// Obter nomes das disciplinas
final classIdSet = <String>{};
for (final q in quizzes) {
final ids = (q['classIds'] as List?)?.cast<String>() ?? [];
classIdSet.addAll(ids);
}
final classNamesMap = <String, String>{};
if (classIdSet.isNotEmpty) {
final docs = await Future.wait(
classIdSet.map(
(id) =>
FirebaseFirestore.instance.collection('classes').doc(id).get(),
),
);
for (final doc in docs.where((d) => d.exists)) {
classNamesMap[doc.id] = doc.data()?['name'] as String? ?? doc.id;
}
}
setState(() {
_quizHistory = quizzes;
_classNames = classNamesMap;
_loading = false;
});
} catch (e) {
@@ -277,11 +302,32 @@ class _QuizManagementPageState extends State<QuizManagementPage> {
return result ?? false;
}
Map<String, List<Map<String, dynamic>>> _groupByDiscipline() {
final Map<String, List<Map<String, dynamic>>> groups = {};
for (final quiz in _quizHistory) {
final quizClassIds = (quiz['classIds'] as List?)?.cast<String>() ?? [];
String? groupId = quizClassIds.cast<String?>().firstWhere(
(cid) => cid != null && _classNames.containsKey(cid),
orElse: () => null,
);
groupId ??= quizClassIds.isNotEmpty ? quizClassIds.first : '__geral__';
groups.putIfAbsent(groupId, () => []).add(quiz);
}
return groups;
}
@override
Widget build(BuildContext context) {
final cs = Theme.of(context).colorScheme;
return Scaffold(
return PopScope(
canPop: _selectedDisciplineId == null,
onPopInvokedWithResult: (didPop, _) {
if (!didPop && _selectedDisciplineId != null) {
setState(() => _selectedDisciplineId = null);
}
},
child: Scaffold(
backgroundColor: cs.surface,
appBar: AppBar(
title: Text(
@@ -293,6 +339,10 @@ class _QuizManagementPageState extends State<QuizManagementPage> {
leading: IconButton(
icon: const Icon(Icons.arrow_back),
onPressed: () {
if (_userRole == 'teacher' && _selectedDisciplineId != null) {
setState(() => _selectedDisciplineId = null);
return;
}
if (Navigator.of(context).canPop()) {
Navigator.of(context).pop();
} else {
@@ -317,6 +367,8 @@ class _QuizManagementPageState extends State<QuizManagementPage> {
? const Center(child: CircularProgressIndicator())
: _quizHistory.isEmpty
? _buildEmptyState()
: _userRole == 'teacher'
? _buildTeacherBody(cs)
: ListView.builder(
padding: const EdgeInsets.all(16),
itemCount: _quizHistory.length,
@@ -329,6 +381,140 @@ class _QuizManagementPageState extends State<QuizManagementPage> {
},
),
),
),
);
}
Widget _buildTeacherBody(ColorScheme cs) {
final groups = _groupByDiscipline();
// Vista de quizzes de uma disciplina
if (_selectedDisciplineId != null) {
final quizzes = groups[_selectedDisciplineId] ?? [];
final disciplineName =
_classNames[_selectedDisciplineId] ??
(_selectedDisciplineId == '__geral__'
? 'Geral'
: _selectedDisciplineId!);
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Padding(
padding: const EdgeInsets.fromLTRB(8, 8, 16, 0),
child: Row(
children: [
IconButton(
icon: Icon(Icons.arrow_back, color: cs.onSurface),
onPressed: () => setState(() => _selectedDisciplineId = null),
),
const SizedBox(width: 4),
Expanded(
child: Text(
disciplineName,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
color: cs.onSurface,
),
),
),
Text(
'${quizzes.length} quiz${quizzes.length != 1 ? 'zes' : ''}',
style: TextStyle(fontSize: 13, color: cs.onSurfaceVariant),
),
],
),
),
const Divider(height: 1),
Expanded(
child: ListView.builder(
padding: const EdgeInsets.all(16),
itemCount: quizzes.length,
itemBuilder: (context, index) {
final quiz = quizzes[index];
return _buildQuizCard(quiz)
.animate()
.slideX(duration: const Duration(milliseconds: 300))
.then(delay: Duration(milliseconds: index * 50));
},
),
),
],
);
}
// Vista de disciplinas
final disciplineIds = groups.keys.toList();
return ListView.separated(
padding: const EdgeInsets.all(16),
itemCount: disciplineIds.length,
separatorBuilder: (_, __) => const SizedBox(height: 12),
itemBuilder: (context, i) {
final dId = disciplineIds[i];
final dName = _classNames[dId] ?? (dId == '__geral__' ? 'Geral' : dId);
final count = groups[dId]!.length;
return InkWell(
borderRadius: BorderRadius.circular(16),
onTap: () => setState(() => _selectedDisciplineId = dId),
child: Container(
padding: const EdgeInsets.all(20),
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: Row(
children: [
Container(
width: 48,
height: 48,
decoration: BoxDecoration(
color: cs.primary.withValues(alpha: 0.1),
borderRadius: BorderRadius.circular(12),
),
child: Icon(Icons.school, color: cs.primary, size: 26),
),
const SizedBox(width: 16),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
dName,
maxLines: 2,
overflow: TextOverflow.ellipsis,
style: TextStyle(
fontSize: 15,
fontWeight: FontWeight.bold,
color: cs.onSurface,
),
),
const SizedBox(height: 4),
Text(
'$count quiz${count != 1 ? 'zes' : ''} criado${count != 1 ? 's' : ''}',
style: TextStyle(
fontSize: 13,
color: cs.onSurfaceVariant,
),
),
],
),
),
Icon(Icons.chevron_right, color: cs.onSurfaceVariant),
],
),
),
);
},
);
}
@@ -443,7 +629,9 @@ class _QuizManagementPageState extends State<QuizManagementPage> {
),
],
),
if (_userRole == 'teacher' && quiz['classIds'] != null) ...[
if (_userRole == 'teacher' &&
quiz['classIds'] != null &&
_selectedDisciplineId == null) ...[
const SizedBox(height: 8),
Wrap(
spacing: 4,

219
lib/features/quiz/presentation/pages/teacher_quiz_page.dart
View File

@@ -67,6 +67,9 @@ class _TeacherQuizPageState extends State<TeacherQuizPage>
bool _loadingHistory = true;
String? _generatingForId;
// Disciplina seleccionada no histórico (null = vista de disciplinas)
String? _selectedHistoryDisciplineId;
@override
void initState() {
super.initState();
@@ -256,7 +259,13 @@ class _TeacherQuizPageState extends State<TeacherQuizPage>
elevation: 0,
leading: IconButton(
icon: const Icon(Icons.arrow_back),
onPressed: () => context.go('/teacher-dashboard'),
onPressed: () {
if (_selectedHistoryDisciplineId != null) {
setState(() => _selectedHistoryDisciplineId = null);
} else {
context.go('/teacher-dashboard');
}
},
),
bottom: TabBar(
controller: _tabController,
@@ -330,37 +339,26 @@ class _TeacherQuizPageState extends State<TeacherQuizPage>
);
}
Widget _buildHistoryTab(ColorScheme cs) {
if (_loadingHistory)
return const Center(child: CircularProgressIndicator());
if (_history.isEmpty) {
return Center(
child: Padding(
padding: const EdgeInsets.all(32),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Icon(
Icons.history,
size: 64,
color: cs.onSurfaceVariant.withValues(alpha: 0.4),
),
const SizedBox(height: 16),
Text(
'Ainda não criaste nenhum quiz.',
style: TextStyle(color: cs.onSurfaceVariant, fontSize: 16),
),
],
),
),
);
Map<String, String> get _classNamesMap {
return {for (final c in _teacherClasses) c['id']!: c['name'] ?? c['id']!};
}
return ListView.separated(
padding: const EdgeInsets.all(16),
itemCount: _history.length,
separatorBuilder: (_, __) => const SizedBox(height: 12),
itemBuilder: (context, i) {
final item = _history[i];
Map<String, List<Map<String, dynamic>>> _groupHistoryByDiscipline() {
final classNames = _classNamesMap;
final Map<String, List<Map<String, dynamic>>> groups = {};
for (final quiz in _history) {
final quizClassIds = (quiz['classIds'] as List?)?.cast<String>() ?? [];
String? groupId = quizClassIds.cast<String?>().firstWhere(
(cid) => cid != null && classNames.containsKey(cid),
orElse: () => null,
);
groupId ??= quizClassIds.isNotEmpty ? quizClassIds.first : '__geral__';
groups.putIfAbsent(groupId, () => []).add(quiz);
}
return groups;
}
Widget _buildHistoryQuizTile(Map<String, dynamic> item, ColorScheme cs) {
final name = (item['materialName'] as String? ?? 'Material')
.replaceAll('.pdf', '')
.replaceAll('_', ' ');
@@ -385,10 +383,7 @@ class _TeacherQuizPageState extends State<TeacherQuizPage>
],
),
child: ListTile(
contentPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 8,
),
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
leading: Container(
width: 44,
height: 44,
@@ -418,6 +413,160 @@ class _TeacherQuizPageState extends State<TeacherQuizPage>
onTap: () => _showResultsPopup(item),
),
);
}
Widget _buildHistoryTab(ColorScheme cs) {
if (_loadingHistory)
return const Center(child: CircularProgressIndicator());
if (_history.isEmpty) {
return Center(
child: Padding(
padding: const EdgeInsets.all(32),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Icon(
Icons.history,
size: 64,
color: cs.onSurfaceVariant.withValues(alpha: 0.4),
),
const SizedBox(height: 16),
Text(
'Ainda não criaste nenhum quiz.',
style: TextStyle(color: cs.onSurfaceVariant, fontSize: 16),
),
],
),
),
);
}
final groups = _groupHistoryByDiscipline();
final classNames = _classNamesMap;
// Vista de quizzes de uma disciplina
if (_selectedHistoryDisciplineId != null) {
final quizzes = groups[_selectedHistoryDisciplineId] ?? [];
final disciplineName =
classNames[_selectedHistoryDisciplineId] ??
(_selectedHistoryDisciplineId == '__geral__'
? 'Geral'
: _selectedHistoryDisciplineId!);
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Padding(
padding: const EdgeInsets.fromLTRB(8, 8, 16, 0),
child: Row(
children: [
IconButton(
icon: Icon(Icons.arrow_back, color: cs.onSurface),
onPressed: () =>
setState(() => _selectedHistoryDisciplineId = null),
),
const SizedBox(width: 4),
Expanded(
child: Text(
disciplineName,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
color: cs.onSurface,
),
),
),
Text(
'${quizzes.length} quiz${quizzes.length != 1 ? 'zes' : ''}',
style: TextStyle(fontSize: 13, color: cs.onSurfaceVariant),
),
],
),
),
const Divider(height: 1),
Expanded(
child: ListView.separated(
padding: const EdgeInsets.all(16),
itemCount: quizzes.length,
separatorBuilder: (_, __) => const SizedBox(height: 12),
itemBuilder: (context, i) =>
_buildHistoryQuizTile(quizzes[i], cs),
),
),
],
);
}
// Vista de disciplinas
final disciplineIds = groups.keys.toList();
return ListView.separated(
padding: const EdgeInsets.all(16),
itemCount: disciplineIds.length,
separatorBuilder: (_, __) => const SizedBox(height: 12),
itemBuilder: (context, i) {
final dId = disciplineIds[i];
final dName = classNames[dId] ?? (dId == '__geral__' ? 'Geral' : dId);
final count = groups[dId]!.length;
return InkWell(
borderRadius: BorderRadius.circular(16),
onTap: () => setState(() => _selectedHistoryDisciplineId = dId),
child: Container(
padding: const EdgeInsets.all(20),
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: Row(
children: [
Container(
width: 48,
height: 48,
decoration: BoxDecoration(
color: cs.primary.withValues(alpha: 0.1),
borderRadius: BorderRadius.circular(12),
),
child: Icon(Icons.school, color: cs.primary, size: 26),
),
const SizedBox(width: 16),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
dName,
maxLines: 2,
overflow: TextOverflow.ellipsis,
style: TextStyle(
fontSize: 15,
fontWeight: FontWeight.bold,
color: cs.onSurface,
),
),
const SizedBox(height: 4),
Text(
'$count quiz${count != 1 ? 'zes' : ''} criado${count != 1 ? 's' : ''}',
style: TextStyle(
fontSize: 13,
color: cs.onSurfaceVariant,
),
),
],
),
),
Icon(Icons.chevron_right, color: cs.onSurfaceVariant),
],
),
),
);
},
);
}