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Historico de quizzes e inicio de atualização da IA para leitura de pdfs de matemática (incompleto)

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This commit is contained in:
240405
2026-05-20 01:32:37 +01:00
parent 80ed2b1346
commit 98dcd621c7
12 changed files with 1539 additions and 271 deletions
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2
lib/features/ai_tutor/presentation/pages/tutor_chat_page.dart
View File

@@ -328,7 +328,7 @@ class _TutorChatPageState extends State<TutorChatPage>
void _addWelcomeMessage() {
final welcomeMessage = {
'content':
'''**Olá! Sou o Vico, o teu Assistente IA oficial do Teach it.**
'''**Olá! Sou o Vico, o teu Assistente IA oficial do Learn It.**
Estou aqui para te ajudar a aprender de forma confiante e motivadora!

107
lib/features/classes/presentation/pages/join_class_page.dart
View File

@@ -13,22 +13,30 @@ class JoinClassPage extends ConsumerStatefulWidget {
class _JoinClassPageState extends ConsumerState<JoinClassPage> {
final _codeController = TextEditingController();
final _nameController = TextEditingController();
bool _isLoading = false;
@override
void dispose() {
_codeController.dispose();
_nameController.dispose();
super.dispose();
}
Future<void> _joinClass() async {
final code = _codeController.text.trim().toUpperCase();
final customName = _nameController.text.trim();
if (code.isEmpty) {
_showError('Insere o código da disciplina');
return;
}
if (customName.isEmpty) {
_showError('Insere o nome da disciplina');
return;
}
setState(() => _isLoading = true);
try {
@@ -105,6 +113,7 @@ class _JoinClassPageState extends ConsumerState<JoinClassPage> {
currentUser.displayName ??
currentUser.email?.split('@')[0] ??
'Aluno',
'customClassName': customName,
'joinedAt': FieldValue.serverTimestamp(),
});
@@ -201,7 +210,7 @@ class _JoinClassPageState extends ConsumerState<JoinClassPage> {
),
Expanded(
child: Text(
'Entrar numa Disciplina',
'Adicionar uma Disciplina',
style: TextStyle(
color: colorScheme.onSurface,
fontSize: 18,
@@ -345,7 +354,14 @@ class _JoinClassPageState extends ConsumerState<JoinClassPage> {
_buildInstructionItem(
context,
'3.',
'Clicar em "Entrar na Disciplina" para confirmar',
'Escrever o nome da disciplina',
colorScheme,
),
const SizedBox(height: 8),
_buildInstructionItem(
context,
'4.',
'Clicar em "Adicionar uma Disciplina" para confirmar',
colorScheme,
),
],
@@ -407,6 +423,53 @@ class _JoinClassPageState extends ConsumerState<JoinClassPage> {
),
),
),
const SizedBox(height: 24),
// Campo de nome da disciplina
Container(
decoration: BoxDecoration(
color: theme.cardColor,
borderRadius: BorderRadius.circular(16),
border: Border.all(
color: colorScheme.outline.withOpacity(0.3),
width: 1,
),
boxShadow: [
BoxShadow(
color: isDark
? Colors.black.withOpacity(0.2)
: Colors.black.withOpacity(0.05),
blurRadius: 10,
offset: const Offset(0, 2),
),
],
),
child: TextField(
controller: _nameController,
style: theme.textTheme.bodyLarge?.copyWith(
color: colorScheme.onSurface,
),
decoration: InputDecoration(
hintText: 'Nome da disciplina',
hintStyle: theme.textTheme.bodyLarge?.copyWith(
color: colorScheme.onSurfaceVariant.withOpacity(
0.5,
),
),
border: InputBorder.none,
contentPadding: const EdgeInsets.all(20),
prefixIcon: Icon(
Icons.edit,
color: colorScheme.primary,
size: 24,
),
prefixIconConstraints: const BoxConstraints(
minWidth: 48,
minHeight: 48,
),
),
),
),
const SizedBox(height: 32),
// Botão de entrar
@@ -445,7 +508,7 @@ class _JoinClassPageState extends ConsumerState<JoinClassPage> {
),
const SizedBox(width: 8),
Text(
'Entrar na Disciplina',
'Adicionar uma Disciplina',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
@@ -540,26 +603,30 @@ class _JoinClassPageState extends ConsumerState<JoinClassPage> {
children: [
Icon(Icons.help_outline, color: colorScheme.primary),
const SizedBox(width: 8),
Text(
'Ajuda - Código da Disciplina',
style: TextStyle(color: colorScheme.onSurface),
Expanded(
child: Text(
'Ajuda - Código da Disciplina',
style: TextStyle(color: colorScheme.onSurface),
),
),
],
),
content: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'O código da disciplina é um código único de 6 caracteres que o teu professor cria para cada disciplina.',
style: TextStyle(color: colorScheme.onSurfaceVariant),
),
const SizedBox(height: 12),
Text(
'Se não tens o código, contacta o teu professor.',
style: TextStyle(color: colorScheme.onSurfaceVariant),
),
],
content: SingleChildScrollView(
child: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'O código da disciplina é um código único de 6 caracteres que o teu professor cria para cada disciplina.',
style: TextStyle(color: colorScheme.onSurfaceVariant),
),
const SizedBox(height: 12),
Text(
'Se não tens o código, contacta o teu professor.',
style: TextStyle(color: colorScheme.onSurfaceVariant),
),
],
),
),
actions: [
TextButton(

4
lib/features/dashboard/presentation/widgets/quick_access_widget.dart
View File

@@ -200,7 +200,7 @@ class QuickAccessWidget extends StatelessWidget {
Widget _buildJoinClassCard(BuildContext context) {
return DashboardActionCard(
title: 'Entrar numa Disciplina',
title: 'Adicionar uma Disciplina',
subtitle: 'Junta-te a uma disciplina com o código',
icon: Icons.group_add,
layout: DashboardActionCardLayout.horizontal,
@@ -264,7 +264,7 @@ class QuickAccessWidget extends StatelessWidget {
},
),
_QuickAccessItem(
title: 'Entrar numa Disciplina',
title: 'Adicionar uma Disciplina',
subtitle: 'Junta-te a uma disciplina com o código',
icon: Icons.group_add,
onTap: () {

122
lib/features/dashboard/presentation/widgets/student_classes_list_widget.dart
View File

@@ -126,6 +126,7 @@ class _StudentClassesListWidgetState extends State<StudentClassesListWidget> {
final enrollmentData = enrollmentDoc.data() as Map<String, dynamic>;
final classId = enrollmentData['classId'] as String? ?? '';
final enrollmentId = enrollmentDoc.id;
final customClassName = enrollmentData['customClassName'] as String?;
if (classId.isEmpty) {
return const SizedBox.shrink();
@@ -163,11 +164,12 @@ class _StudentClassesListWidgetState extends State<StudentClassesListWidget> {
}
final classData = snapshot.data!.data() as Map<String, dynamic>;
final className = classData['name'] as String? ?? 'Sem nome';
final className =
customClassName ?? (classData['name'] as String? ?? 'Sem nome');
final classCode = classData['code'] as String? ?? '----';
return GestureDetector(
onTap: () => _showRemoveClassDialog(context, enrollmentId, className),
onTap: () => _showEditNameDialog(context, enrollmentId, className),
child: Container(
width: 200,
constraints: const BoxConstraints(minHeight: 150),
@@ -187,19 +189,29 @@ class _StudentClassesListWidgetState extends State<StudentClassesListWidget> {
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
children: [
Container(
padding: const EdgeInsets.all(10),
decoration: BoxDecoration(
color: Theme.of(
context,
).colorScheme.primary.withOpacity(0.1),
borderRadius: BorderRadius.circular(10),
),
child: Icon(
Icons.school,
color: Theme.of(context).colorScheme.primary,
size: 24,
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Container(
padding: const EdgeInsets.all(10),
decoration: BoxDecoration(
color: Theme.of(
context,
).colorScheme.primary.withOpacity(0.1),
borderRadius: BorderRadius.circular(10),
),
child: Icon(
Icons.school,
color: Theme.of(context).colorScheme.primary,
size: 24,
),
),
Icon(
Icons.edit,
color: Theme.of(context).colorScheme.primary,
size: 18,
),
],
),
const SizedBox(height: 12),
Text(
@@ -291,6 +303,7 @@ class _StudentClassesListWidgetState extends State<StudentClassesListWidget> {
final enrollmentData = enrollmentDoc.data() as Map<String, dynamic>;
final classId = enrollmentData['classId'] as String? ?? '';
final enrollmentId = enrollmentDoc.id;
final customClassName = enrollmentData['customClassName'] as String?;
if (classId.isEmpty) {
return const SizedBox.shrink();
@@ -312,7 +325,8 @@ class _StudentClassesListWidgetState extends State<StudentClassesListWidget> {
}
final classData = snapshot.data!.data() as Map<String, dynamic>;
final className = classData['name'] as String? ?? 'Sem nome';
final className =
customClassName ?? (classData['name'] as String? ?? 'Sem nome');
final classCode = classData['code'] as String? ?? '----';
return Card(
@@ -351,13 +365,30 @@ class _StudentClassesListWidgetState extends State<StudentClassesListWidget> {
fontSize: 13,
),
),
trailing: Icon(
Icons.delete_outline,
color: Theme.of(context).colorScheme.error,
size: 20,
trailing: Row(
mainAxisSize: MainAxisSize.min,
children: [
IconButton(
icon: Icon(
Icons.edit,
color: Theme.of(context).colorScheme.primary,
size: 20,
),
onPressed: () =>
_showEditNameDialog(context, enrollmentId, className),
),
IconButton(
icon: Icon(
Icons.delete_outline,
color: Theme.of(context).colorScheme.error,
size: 20,
),
onPressed: () =>
_showRemoveClassDialog(context, enrollmentId, className),
),
],
),
onTap: () =>
_showRemoveClassDialog(context, enrollmentId, className),
onTap: () => _showEditNameDialog(context, enrollmentId, className),
),
);
},
@@ -493,7 +524,7 @@ class _StudentClassesListWidgetState extends State<StudentClassesListWidget> {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Erro ao sair da disciplina: $e'),
backgroundColor: Colors.red,
backgroundColor: Theme.of(context).colorScheme.error,
behavior: SnackBarBehavior.floating,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
@@ -503,4 +534,49 @@ class _StudentClassesListWidgetState extends State<StudentClassesListWidget> {
}
}
}
void _showEditNameDialog(
BuildContext context,
String enrollmentId,
String currentName,
) {
final controller = TextEditingController(text: currentName);
showDialog(
context: context,
builder: (context) => AlertDialog(
title: const Text('Editar nome da disciplina'),
content: TextField(
controller: controller,
decoration: const InputDecoration(hintText: 'Nome da disciplina'),
),
actions: [
TextButton(
onPressed: () => Navigator.pop(context),
child: const Text('Cancelar'),
),
TextButton(
onPressed: () async {
final newName = controller.text.trim();
if (newName.isNotEmpty) {
await FirebaseFirestore.instance
.collection('enrollments')
.doc(enrollmentId)
.update({'customClassName': newName});
if (mounted) {
Navigator.pop(context);
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Nome atualizado com sucesso'),
behavior: SnackBarBehavior.floating,
),
);
}
}
},
child: const Text('Salvar'),
),
],
),
);
}
}

26
lib/features/materials/presentation/pages/content_management_page.dart
View File

@@ -349,7 +349,7 @@ class _ContentManagementPageState extends State<ContentManagementPage> {
),
],
),
const SizedBox(height: 16),
const SizedBox(height: 8),
Container(
decoration: BoxDecoration(
color: cs.surface.withOpacity(0.8),
@@ -396,13 +396,13 @@ class _ContentManagementPageState extends State<ContentManagementPage> {
),
),
Container(
margin: const EdgeInsets.symmetric(horizontal: 16),
margin: const EdgeInsets.only(right: 16),
decoration: BoxDecoration(
color: cs.surface.withOpacity(0.8),
borderRadius: BorderRadius.circular(16),
),
child: TabBar(
isScrollable: _filteredClassIds.length > 3,
isScrollable: true,
dividerColor: Colors.transparent,
indicatorSize: TabBarIndicatorSize.tab,
indicator: BoxDecoration(
@@ -419,16 +419,18 @@ class _ContentManagementPageState extends State<ContentManagementPage> {
fontWeight: FontWeight.normal,
fontSize: 14,
),
tabs: _filteredClassIds
.map(
(classId) => Tab(
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Text(_classNames[classId] ?? classId),
),
tabs: List.generate(_filteredClassIds.length, (index) {
final classId = _filteredClassIds[index];
return Tab(
child: Padding(
padding: EdgeInsets.only(
left: index == 0 ? 4 : 12,
right: index == _filteredClassIds.length - 1 ? 4 : 12,
),
)
.toList(),
child: Text(_classNames[classId] ?? classId),
),
);
}),
),
),
const SizedBox(height: 16),

2
lib/features/materials/presentation/pages/teacher_materials_page.dart
View File

@@ -157,7 +157,7 @@ class _TeacherMaterialsPageState extends State<TeacherMaterialsPage> {
),
if (_filteredClasses.isNotEmpty)
TabBar(
isScrollable: _filteredClasses.length > 3,
isScrollable: true,
indicatorColor: const Color(0xFFF68D2D),
labelColor: const Color(0xFFF68D2D),
unselectedLabelColor: Theme.of(

737
lib/features/quiz/presentation/pages/quiz_list_page.dart
View File

@@ -45,6 +45,10 @@ class _QuizListPageState extends State<QuizListPage>
// generating state
String? _generatingForId;
// Multi-select for history
Set<String> _selectedQuizIds = {};
bool _isSelectionMode = false;
@override
void initState() {
super.initState();
@@ -366,16 +370,68 @@ class _QuizListPageState extends State<QuizListPage>
}
}
/// Detect if a material is mathematics-based
bool _isMathematicsSubject(Map<String, String> material) {
final matName = (material['name'] ?? '').toLowerCase();
final classId = material['classId'];
String className = '';
// Get class name if classId is available
if (classId != null && _materialClassNames.containsKey(classId)) {
className = _materialClassNames[classId]!.toLowerCase();
}
// Keywords for mathematics
final mathKeywords = [
'matemática',
'math',
'álgebra',
'geometria',
'cálculo',
'estatística',
'trigonometria',
'função',
'equação',
'fração',
'raiz',
'potência',
'derivada',
'integral',
'número',
'gráfico',
'fórmula',
'matriz',
'vetor',
'probabilidade',
'percentagem',
'ângulo',
'triângulo',
'quadrado',
'círculo',
'volume',
'área',
'perímetro',
];
// Check if material name or class name contains math keywords
final combinedText = '$matName $className';
return mathKeywords.any((keyword) => combinedText.contains(keyword));
}
Future<void> _generateQuiz(Map<String, String> material) async {
setState(() => _generatingForId = material['id']);
try {
final matId = material['id']!;
final matName = material['name'] ?? 'Material';
final isMathematics = _isMathematicsSubject(material);
// Buscar contexto do PDF
final context = await MaterialsRAGService.getRelevantChunks(
userQuery: 'conteúdo geral resumo tópicos principais',
userQuery: 'todos os exercícios todos os tópicos completo',
selectedMaterialIds: [matId],
maxChunks: 20, // Aumentar para cobrir todo o documento
filterTableData:
isMathematics, // Filtrar dados de tabela para matemática
);
if (context.isEmpty) {
@@ -384,7 +440,10 @@ class _QuizListPageState extends State<QuizListPage>
}
// Gerar quiz via Ollama em formato JSON estruturado
final numQuestions = 5 + Random().nextInt(16); // 5..20
final numQuestions = isMathematics
? 10 +
Random().nextInt(11) // 10..20 para matemática
: 5 + Random().nextInt(16); // 5..20 para outras matérias
final prompt =
'Usa APENAS o seguinte contexto para criar um quiz. Não uses conhecimento externo.\n\n'
'$context\n\n'
@@ -394,7 +453,10 @@ class _QuizListPageState extends State<QuizListPage>
'[{"q":"Pergunta aqui","opts":["A) opção","B) opção","C) opção","D) opção"],"ans":0,"exp":"Explicação breve da resposta correcta"},...]\n'
'ans é o índice (0-3) da opção correcta.';
final raw = await RAGAIService.generateQuiz(prompt);
final raw = await RAGAIService.generateQuiz(
prompt,
isMathematics: isMathematics,
);
final questions = _parseQuizJson(raw);
if (questions.isEmpty) {
@@ -704,6 +766,9 @@ class _QuizListPageState extends State<QuizListPage>
quizId: quizId,
questions: questions,
materialName: name,
onQuizCompleted: () {
_loadHistory();
},
),
);
}
@@ -798,6 +863,9 @@ class _QuizListPageState extends State<QuizListPage>
title: title,
questions: questions,
historyDocId: historyDocId,
onQuizCompleted: () {
_loadHistory();
},
),
);
}
@@ -881,13 +949,17 @@ class _QuizListPageState extends State<QuizListPage>
);
}
void _showQuizFromHistory(String title, String rawJson) {
void _showQuizFromHistory(
String title,
String rawJson, {
String? historyDocId,
}) {
final questions = _parseQuizJson(rawJson);
if (questions.isEmpty) {
_showSnack('Não foi possível carregar este quiz.');
return;
}
_showInteractiveQuiz(title, questions);
_showInteractiveQuiz(title, questions, historyDocId: historyDocId);
}
void _showSnack(String msg) {
@@ -1760,11 +1832,152 @@ class _QuizListPageState extends State<QuizListPage>
return groups;
}
List<Map<String, dynamic>> _getAiGeneratedQuizzes() {
return _history.where((q) => q['teacherQuizId'] == null).toList();
}
List<Map<String, dynamic>> _getTeacherQuizzes() {
return _history.where((q) => q['teacherQuizId'] != null).toList();
}
Future<void> _deleteQuizFromHistory(Map<String, dynamic> item) async {
final confirmed = await showDialog<bool>(
context: context,
builder: (context) => AlertDialog(
title: const Text('Eliminar Quiz'),
content: Text(
'Tem certeza que deseja eliminar "${item['title'] ?? 'Quiz'}"?',
),
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 {
final user = FirebaseAuth.instance.currentUser;
if (user == null) return;
await FirebaseFirestore.instance
.collection('quizHistory')
.doc(user.uid)
.collection('quizzes')
.doc(item['id'])
.delete();
setState(() {
_history.removeWhere((q) => q['id'] == item['id']);
});
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Quiz eliminado com sucesso!'),
backgroundColor: Colors.green,
),
);
}
} catch (e) {
Logger.error('Error deleting quiz: $e');
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Erro ao eliminar: $e'),
backgroundColor: Colors.red,
),
);
}
}
}
Future<void> _deleteSelectedQuizzes() async {
if (_selectedQuizIds.isEmpty) return;
final confirmed = await showDialog<bool>(
context: context,
builder: (context) => AlertDialog(
title: const Text('Eliminar Quizzes'),
content: Text(
'Tem certeza que deseja eliminar ${_selectedQuizIds.length} quiz${_selectedQuizIds.length != 1 ? 'zes' : ''}?',
),
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 {
final user = FirebaseAuth.instance.currentUser;
if (user == null) return;
final batch = FirebaseFirestore.instance.batch();
for (final quizId in _selectedQuizIds) {
final ref = FirebaseFirestore.instance
.collection('quizHistory')
.doc(user.uid)
.collection('quizzes')
.doc(quizId);
batch.delete(ref);
}
await batch.commit();
setState(() {
_history.removeWhere((q) => _selectedQuizIds.contains(q['id']));
_selectedQuizIds.clear();
_isSelectionMode = false;
});
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Quizzes eliminados com sucesso!'),
backgroundColor: Colors.green,
),
);
}
} catch (e) {
Logger.error('Error deleting quizzes: $e');
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Erro ao eliminar: $e'),
backgroundColor: Colors.red,
),
);
}
}
}
Widget _buildHistoryTab(ColorScheme cs) {
if (_loadingHistory) {
return const Center(child: CircularProgressIndicator());
}
if (_history.isEmpty) {
final aiQuizzes = _getAiGeneratedQuizzes();
final teacherQuizzes = _getTeacherQuizzes();
if (aiQuizzes.isEmpty && teacherQuizzes.isEmpty) {
return Center(
child: Padding(
padding: const EdgeInsets.all(32),
@@ -1788,130 +2001,263 @@ class _QuizListPageState extends State<QuizListPage>
);
}
return DefaultTabController(
length: 2,
child: Column(
children: [
Padding(
padding: const EdgeInsets.all(16),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
'Histórico',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.bold,
color: cs.onSurface,
),
),
IconButton(
icon: Icon(
_isSelectionMode ? Icons.close : Icons.checklist,
color: cs.onSurface,
),
onPressed: () {
setState(() {
_isSelectionMode = !_isSelectionMode;
_selectedQuizIds.clear();
});
},
tooltip: _isSelectionMode
? 'Cancelar seleção'
: 'Selecionar múltiplos',
),
],
),
),
Padding(
padding: const EdgeInsets.symmetric(horizontal: 16),
child: TabBar(
labelColor: cs.onPrimary,
unselectedLabelColor: cs.onSurfaceVariant,
indicator: BoxDecoration(
color: cs.primary,
borderRadius: BorderRadius.circular(20),
),
tabs: const [
Tab(text: 'Gerados por IA'),
Tab(text: 'Do Professor'),
],
),
),
const SizedBox(height: 8),
Expanded(
child: TabBarView(
children: [
_buildHistorySection(cs, aiQuizzes, isTeacherQuizzes: false),
_buildHistorySection(
cs,
teacherQuizzes,
isTeacherQuizzes: true,
),
],
),
),
],
),
);
}
Widget _buildHistorySection(
ColorScheme cs,
List<Map<String, dynamic>> items, {
required bool isTeacherQuizzes,
}) {
if (items.isEmpty) {
return Center(
child: Padding(
padding: const EdgeInsets.all(32),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Icon(
Icons.quiz_outlined,
size: 64,
color: cs.onSurfaceVariant.withValues(alpha: 0.4),
),
const SizedBox(height: 16),
Text(
isTeacherQuizzes
? 'Sem quizzes do professor'
: 'Sem quizzes gerados por IA',
textAlign: TextAlign.center,
style: TextStyle(color: cs.onSurfaceVariant, fontSize: 16),
),
],
),
),
);
}
if (isTeacherQuizzes) {
return Stack(
children: [
_buildHistoryList(cs, items, isTeacherQuizzes: isTeacherQuizzes),
if (_isSelectionMode && _selectedQuizIds.isNotEmpty)
Positioned(
bottom: 16,
right: 16,
child: FloatingActionButton.extended(
onPressed: _deleteSelectedQuizzes,
backgroundColor: Colors.red,
icon: const Icon(Icons.delete),
label: Text('Eliminar (${_selectedQuizIds.length})'),
),
),
],
);
}
final groups = _groupHistoryByDiscipline();
final filteredItems = items.where((item) {
final cid = item['classId'] as String?;
return groups.containsKey(cid) && cid != null;
}).toList();
if (filteredItems.isEmpty) {
return Stack(
children: [
_buildHistoryList(cs, items, isTeacherQuizzes: isTeacherQuizzes),
if (_isSelectionMode && _selectedQuizIds.isNotEmpty)
Positioned(
bottom: 16,
right: 16,
child: FloatingActionButton.extended(
onPressed: _deleteSelectedQuizzes,
backgroundColor: Colors.red,
icon: const Icon(Icons.delete),
label: Text('Eliminar (${_selectedQuizIds.length})'),
),
),
],
);
}
final realDisciplineIds = groups.keys
.where((k) => k != '__geral__' && _historyClassNames.containsKey(k))
.toList();
if (realDisciplineIds.isEmpty) {
return _buildHistoryList(cs, _history);
}
if (_selectedHistoryDisciplineId != null) {
final items = groups[_selectedHistoryDisciplineId] ?? [];
final dName =
_historyClassNames[_selectedHistoryDisciplineId] ??
_selectedHistoryDisciplineId!;
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
return Stack(
children: [
Padding(
padding: const EdgeInsets.fromLTRB(8, 8, 16, 0),
child: Row(
children: [
IconButton(
icon: Icon(Icons.arrow_back, color: cs.onSurface),
onPressed: () =>
setState(() => _selectedHistoryDisciplineId = null),
),
const SizedBox(width: 4),
Expanded(
child: Text(
dName,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
color: cs.onSurface,
),
),
),
Text(
'${items.length} quiz${items.length != 1 ? 'zes' : ''}',
style: TextStyle(fontSize: 13, color: cs.onSurfaceVariant),
),
],
_buildHistoryList(cs, items, isTeacherQuizzes: isTeacherQuizzes),
if (_isSelectionMode && _selectedQuizIds.isNotEmpty)
Positioned(
bottom: 16,
right: 16,
child: FloatingActionButton.extended(
onPressed: _deleteSelectedQuizzes,
backgroundColor: Colors.red,
icon: const Icon(Icons.delete),
label: Text('Eliminar (${_selectedQuizIds.length})'),
),
),
),
const Divider(height: 1),
Expanded(child: _buildHistoryList(cs, items)),
],
);
}
return ListView.separated(
padding: const EdgeInsets.all(16),
itemCount: realDisciplineIds.length,
separatorBuilder: (_, __) => const SizedBox(height: 12),
itemBuilder: (context, i) {
final dId = realDisciplineIds[i];
final dName = _historyClassNames[dId] ?? 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,
return Stack(
children: [
ListView.separated(
padding: const EdgeInsets.fromLTRB(16, 0, 16, 16),
itemCount: realDisciplineIds.length,
separatorBuilder: (_, __) => const SizedBox(height: 12),
itemBuilder: (context, i) {
final dId = realDisciplineIds[i];
final dName = _historyClassNames[dId] ?? dId;
final count = groups[dId]!.length;
return InkWell(
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),
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.history_edu, 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,
),
child: Row(
children: [
Container(
width: 48,
height: 48,
decoration: BoxDecoration(
color: cs.primary.withValues(alpha: 0.1),
borderRadius: BorderRadius.circular(12),
),
const SizedBox(height: 4),
Text(
'$count quiz${count != 1 ? 'zes' : ''}',
style: TextStyle(
fontSize: 13,
color: cs.onSurfaceVariant,
),
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' : ''}',
style: TextStyle(
fontSize: 13,
color: cs.onSurfaceVariant,
),
),
],
),
],
),
),
Icon(Icons.chevron_right, color: cs.onSurfaceVariant),
],
),
Icon(Icons.chevron_right, color: cs.onSurfaceVariant),
],
),
);
},
),
if (_isSelectionMode && _selectedQuizIds.isNotEmpty)
Positioned(
bottom: 16,
right: 16,
child: FloatingActionButton.extended(
onPressed: _deleteSelectedQuizzes,
backgroundColor: Colors.red,
icon: const Icon(Icons.delete),
label: Text('Eliminar (${_selectedQuizIds.length})'),
),
),
);
},
],
);
}
Widget _buildHistoryList(ColorScheme cs, List<Map<String, dynamic>> items) {
Widget _buildHistoryList(
ColorScheme cs,
List<Map<String, dynamic>> items, {
bool isTeacherQuizzes = false,
}) {
return ListView.separated(
padding: const EdgeInsets.all(16),
itemCount: items.length,
@@ -1928,11 +2274,22 @@ class _QuizListPageState extends State<QuizListPage>
dateStr =
'${dt.day.toString().padLeft(2, '0')}/${dt.month.toString().padLeft(2, '0')}/${dt.year} ${dt.hour.toString().padLeft(2, '0')}:${dt.minute.toString().padLeft(2, '0')}';
}
final quizId = item['id'] as String?;
final isSelected =
_isSelectionMode &&
quizId != null &&
_selectedQuizIds.contains(quizId);
return Container(
decoration: BoxDecoration(
color: cs.surface,
borderRadius: BorderRadius.circular(16),
border: Border.all(color: cs.outline.withValues(alpha: 0.15)),
border: Border.all(
color: isSelected
? cs.primary
: cs.outline.withValues(alpha: 0.15),
width: isSelected ? 2 : 1,
),
boxShadow: [
BoxShadow(
color: cs.shadow.withValues(alpha: 0.05),
@@ -1946,15 +2303,30 @@ class _QuizListPageState extends State<QuizListPage>
horizontal: 16,
vertical: 8,
),
leading: Container(
width: 44,
height: 44,
decoration: BoxDecoration(
color: cs.primary.withValues(alpha: 0.1),
borderRadius: BorderRadius.circular(10),
),
child: Icon(Icons.quiz, color: cs.primary, size: 22),
),
leading: _isSelectionMode
? Checkbox(
value: isSelected,
onChanged: (_) {
setState(() {
if (quizId != null) {
if (_selectedQuizIds.contains(quizId)) {
_selectedQuizIds.remove(quizId);
} else {
_selectedQuizIds.add(quizId);
}
}
});
},
)
: Container(
width: 44,
height: 44,
decoration: BoxDecoration(
color: cs.primary.withValues(alpha: 0.1),
borderRadius: BorderRadius.circular(10),
),
child: Icon(Icons.quiz, color: cs.primary, size: 22),
),
title: Text(
matName,
maxLines: 2,
@@ -1979,21 +2351,60 @@ class _QuizListPageState extends State<QuizListPage>
],
],
),
trailing: Icon(
Icons.chevron_right,
color: cs.onSurfaceVariant,
size: 18,
),
onTap: () {
final rawJson =
item['quizJson'] as String? ?? item['quizText'] as String?;
if (rawJson != null && rawJson.isNotEmpty) {
_showQuizFromHistory(matName, rawJson);
} else {
// Quiz sem JSON guardado (ex: quiz do professor) — mostrar resultado
_showHistoryResultDialog(item, matName);
}
},
trailing: _isSelectionMode
? null
: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(
Icons.chevron_right,
color: cs.onSurfaceVariant,
size: 18,
),
const SizedBox(width: 8),
IconButton(
icon: Icon(
Icons.delete_outline,
color: Colors.red,
size: 20,
),
onPressed: () => _deleteQuizFromHistory(item),
tooltip: 'Eliminar',
),
],
),
onTap: _isSelectionMode
? () {
if (quizId != null) {
setState(() {
if (_selectedQuizIds.contains(quizId)) {
_selectedQuizIds.remove(quizId);
} else {
_selectedQuizIds.add(quizId);
}
});
}
}
: () {
if (isTeacherQuizzes) {
// Teacher quizzes: only show results, don't allow retake
_showHistoryResultDialog(item, matName);
} else {
// AI-generated quizzes: allow retake
final rawJson =
item['quizJson'] as String? ??
item['quizText'] as String?;
if (rawJson != null && rawJson.isNotEmpty) {
_showQuizFromHistory(
matName,
rawJson,
historyDocId: item['id'] as String?,
);
} else {
_showHistoryResultDialog(item, matName);
}
}
},
),
);
},
@@ -2022,10 +2433,12 @@ class _InteractiveQuizSheet extends StatefulWidget {
final String title;
final List<_QuizQuestion> questions;
final String? historyDocId;
final VoidCallback? onQuizCompleted;
const _InteractiveQuizSheet({
required this.title,
required this.questions,
this.historyDocId,
this.onQuizCompleted,
});
@override
@@ -2038,6 +2451,7 @@ class _InteractiveQuizSheetState extends State<_InteractiveQuizSheet> {
bool _submitted = false;
bool _saving = false;
DateTime? _startTime;
bool _hasSaved = false;
@override
void initState() {
@@ -2046,6 +2460,50 @@ class _InteractiveQuizSheetState extends State<_InteractiveQuizSheet> {
_startTime = DateTime.now();
}
@override
void dispose() {
// Save score if quiz is closed without submitting
if (!_submitted && !_hasSaved && widget.historyDocId != null) {
_savePartialScore().then((_) {
if (widget.onQuizCompleted != null) {
widget.onQuizCompleted!();
}
});
}
super.dispose();
}
Future<void> _savePartialScore() async {
if (_hasSaved) return;
_hasSaved = true;
try {
final user = FirebaseAuth.instance.currentUser;
if (user != null && widget.historyDocId != null) {
// Count how many questions were answered
final answeredCount = _chosen.where((c) => c != -1).length;
if (answeredCount > 0) {
await FirebaseFirestore.instance
.collection('quizHistory')
.doc(user.uid)
.collection('quizzes')
.doc(widget.historyDocId)
.update({
'score': _score,
'totalQuestions': widget.questions.length,
'completedAt': FieldValue.serverTimestamp(),
});
Logger.info(
'Saved partial quiz score: $_score/${widget.questions.length}',
);
}
}
} catch (e) {
Logger.error('Error saving partial quiz score: $e');
}
}
void _selectOption(int idx) {
if (_submitted) return;
setState(() => _chosen[_current] = idx);
@@ -2072,6 +2530,7 @@ class _InteractiveQuizSheetState extends State<_InteractiveQuizSheet> {
setState(() {
_submitted = true;
_saving = true;
_hasSaved = true;
});
try {
final user = FirebaseAuth.instance.currentUser;
@@ -2106,6 +2565,11 @@ class _InteractiveQuizSheetState extends State<_InteractiveQuizSheet> {
}
}
}
// Call callback to refresh history
if (widget.onQuizCompleted != null) {
widget.onQuizCompleted!();
}
} catch (e) {
Logger.error('Error saving quiz result: $e');
} finally {
@@ -2497,11 +2961,13 @@ class _TeacherQuizInteractiveSheet extends StatefulWidget {
final String quizId;
final List<_QuizQuestion> questions;
final String? materialName;
final VoidCallback? onQuizCompleted;
const _TeacherQuizInteractiveSheet({
required this.title,
required this.quizId,
required this.questions,
this.materialName,
this.onQuizCompleted,
});
@override
@@ -2607,6 +3073,11 @@ class _TeacherQuizInteractiveSheetState
await GamificationService.recordStudyTime(user.uid, elapsedMinutes);
}
}
// Call callback to refresh history
if (widget.onQuizCompleted != null) {
widget.onQuizCompleted!();
}
}
} catch (e) {
Logger.error('Error submitting teacher quiz result: $e');

177
lib/features/quiz/presentation/pages/quiz_management_page.dart
View File

@@ -1,7 +1,6 @@
import 'package:flutter/material.dart';
import 'package:flutter_animate/flutter_animate.dart';
import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:firebase_auth/firebase_auth.dart';
import 'package:go_router/go_router.dart';
import '../../../../core/services/auth_service.dart';
@@ -20,10 +19,14 @@ class _QuizManagementPageState extends State<QuizManagementPage> {
bool _loading = true;
String _userRole = '';
// Disciplina seleccionada (null = vista de disciplinas)
String? _selectedDisciplineId;
// Turma seleccionada (null = vista de turmas)
String? _selectedClassId;
Map<String, String> _classNames = {}; // classId → name
// Search and filter
final TextEditingController _searchController = TextEditingController();
DateTime? _selectedDate;
@override
void initState() {
super.initState();
@@ -31,6 +34,24 @@ class _QuizManagementPageState extends State<QuizManagementPage> {
_loadQuizHistory();
}
@override
void dispose() {
_searchController.dispose();
super.dispose();
}
Future<void> _selectDate() async {
final DateTime? picked = await showDatePicker(
context: context,
initialDate: _selectedDate ?? DateTime.now(),
firstDate: DateTime(2020),
lastDate: DateTime.now().add(const Duration(days: 365)),
);
if (picked != null) {
setState(() => _selectedDate = picked);
}
}
Future<void> _loadUserRole() async {
final user = AuthService.currentUser;
if (user != null) {
@@ -302,7 +323,7 @@ class _QuizManagementPageState extends State<QuizManagementPage> {
return result ?? false;
}
Map<String, List<Map<String, dynamic>>> _groupByDiscipline() {
Map<String, List<Map<String, dynamic>>> _groupByClass() {
final Map<String, List<Map<String, dynamic>>> groups = {};
for (final quiz in _quizHistory) {
final quizClassIds = (quiz['classIds'] as List?)?.cast<String>() ?? [];
@@ -316,15 +337,69 @@ class _QuizManagementPageState extends State<QuizManagementPage> {
return groups;
}
List<Map<String, dynamic>> _getFilteredQuizzes() {
final searchQuery = _searchController.text.toLowerCase();
return _quizHistory.where((quiz) {
// Filter by date if selected
if (_selectedDate != null) {
final quizDate = quiz['createdAt'] as Timestamp?;
if (quizDate == null) return false;
final quizDateTime = quizDate.toDate();
if (quizDateTime.year != _selectedDate!.year ||
quizDateTime.month != _selectedDate!.month ||
quizDateTime.day != _selectedDate!.day) {
return false;
}
}
// Filter by search query (class name or quiz title)
if (searchQuery.isNotEmpty) {
final title = (quiz['title'] as String? ?? '').toLowerCase();
final quizClassIds = (quiz['classIds'] as List?)?.cast<String>() ?? [];
bool matchesSearch = title.contains(searchQuery);
for (final classId in quizClassIds) {
if (_classNames.containsKey(classId)) {
final className = _classNames[classId]!.toLowerCase();
if (className.contains(searchQuery)) {
matchesSearch = true;
break;
}
}
}
if (!matchesSearch) return false;
}
return true;
}).toList();
}
Map<String, List<Map<String, dynamic>>> _getFilteredGroups() {
final filteredQuizzes = _getFilteredQuizzes();
final Map<String, List<Map<String, dynamic>>> groups = {};
for (final quiz in filteredQuizzes) {
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 PopScope(
canPop: _selectedDisciplineId == null,
canPop: _selectedClassId == null,
onPopInvokedWithResult: (didPop, _) {
if (!didPop && _selectedDisciplineId != null) {
setState(() => _selectedDisciplineId = null);
if (!didPop && _selectedClassId != null) {
setState(() => _selectedClassId = null);
}
},
child: Scaffold(
@@ -339,8 +414,8 @@ class _QuizManagementPageState extends State<QuizManagementPage> {
leading: IconButton(
icon: const Icon(Icons.arrow_back),
onPressed: () {
if (_userRole == 'teacher' && _selectedDisciplineId != null) {
setState(() => _selectedDisciplineId = null);
if (_userRole == 'teacher' && _selectedClassId != null) {
setState(() => _selectedClassId = null);
return;
}
if (Navigator.of(context).canPop()) {
@@ -354,6 +429,44 @@ class _QuizManagementPageState extends State<QuizManagementPage> {
}
},
),
actions: [
IconButton(
icon: const Icon(Icons.calendar_today),
onPressed: _selectDate,
tooltip: 'Filtrar por data',
),
if (_selectedDate != null)
IconButton(
icon: const Icon(Icons.clear),
onPressed: () {
setState(() => _selectedDate = null);
},
tooltip: 'Limpar filtro',
),
],
bottom: _selectedClassId == null
? PreferredSize(
preferredSize: const Size.fromHeight(60),
child: Padding(
padding: const EdgeInsets.all(8),
child: TextField(
controller: _searchController,
decoration: InputDecoration(
hintText: 'Pesquisar turma...',
prefixIcon: const Icon(Icons.search),
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
),
contentPadding: const EdgeInsets.symmetric(
horizontal: 16,
vertical: 12,
),
),
onChanged: (value) => setState(() {}),
),
),
)
: null,
),
body: Container(
decoration: BoxDecoration(
@@ -365,15 +478,15 @@ class _QuizManagementPageState extends State<QuizManagementPage> {
),
child: _loading
? const Center(child: CircularProgressIndicator())
: _quizHistory.isEmpty
: _getFilteredQuizzes().isEmpty
? _buildEmptyState()
: _userRole == 'teacher'
? _buildTeacherBody(cs)
: ListView.builder(
padding: const EdgeInsets.all(16),
itemCount: _quizHistory.length,
itemCount: _getFilteredQuizzes().length,
itemBuilder: (context, index) {
final quiz = _quizHistory[index];
final quiz = _getFilteredQuizzes()[index];
return _buildQuizCard(quiz)
.animate()
.slideX(duration: const Duration(milliseconds: 300))
@@ -386,16 +499,16 @@ class _QuizManagementPageState extends State<QuizManagementPage> {
}
Widget _buildTeacherBody(ColorScheme cs) {
final groups = _groupByDiscipline();
final groups = _searchController.text.isNotEmpty || _selectedDate != null
? _getFilteredGroups()
: _groupByClass();
// Vista de quizzes de uma disciplina
if (_selectedDisciplineId != null) {
final quizzes = groups[_selectedDisciplineId] ?? [];
final disciplineName =
_classNames[_selectedDisciplineId] ??
(_selectedDisciplineId == '__geral__'
? 'Geral'
: _selectedDisciplineId!);
// Vista de quizzes de uma turma
if (_selectedClassId != null) {
final quizzes = groups[_selectedClassId] ?? [];
final className =
_classNames[_selectedClassId] ??
(_selectedClassId == '__geral__' ? 'Geral' : _selectedClassId!);
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
@@ -405,12 +518,12 @@ class _QuizManagementPageState extends State<QuizManagementPage> {
children: [
IconButton(
icon: Icon(Icons.arrow_back, color: cs.onSurface),
onPressed: () => setState(() => _selectedDisciplineId = null),
onPressed: () => setState(() => _selectedClassId = null),
),
const SizedBox(width: 4),
Expanded(
child: Text(
disciplineName,
className,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: TextStyle(
@@ -445,19 +558,19 @@ class _QuizManagementPageState extends State<QuizManagementPage> {
);
}
// Vista de disciplinas
final disciplineIds = groups.keys.toList();
// Vista de turmas
final classIds = groups.keys.toList();
return ListView.separated(
padding: const EdgeInsets.all(16),
itemCount: disciplineIds.length,
itemCount: classIds.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;
final cId = classIds[i];
final cName = _classNames[cId] ?? (cId == '__geral__' ? 'Geral' : cId);
final count = groups[cId]!.length;
return InkWell(
borderRadius: BorderRadius.circular(16),
onTap: () => setState(() => _selectedDisciplineId = dId),
onTap: () => setState(() => _selectedClassId = cId),
child: Container(
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
@@ -489,7 +602,7 @@ class _QuizManagementPageState extends State<QuizManagementPage> {
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
dName,
cName,
maxLines: 2,
overflow: TextOverflow.ellipsis,
style: TextStyle(
@@ -631,7 +744,7 @@ class _QuizManagementPageState extends State<QuizManagementPage> {
),
if (_userRole == 'teacher' &&
quiz['classIds'] != null &&
_selectedDisciplineId == null) ...[
_selectedClassId == null) ...[
const SizedBox(height: 8),
Wrap(
spacing: 4,

145
lib/features/quiz/presentation/pages/teacher_quiz_page.dart
View File

@@ -164,15 +164,67 @@ class _TeacherQuizPageState extends State<TeacherQuizPage>
}
}
/// Detect if a material is mathematics-based
bool _isMathematicsSubject(Map<String, String> material) {
final matName = (material['name'] ?? '').toLowerCase();
final classId = material['classId'];
String className = '';
// Get class name if classId is available
if (classId != null && _classNamesMap.containsKey(classId)) {
className = _classNamesMap[classId]!.toLowerCase();
}
// Keywords for mathematics
final mathKeywords = [
'matemática',
'math',
'álgebra',
'geometria',
'cálculo',
'estatística',
'trigonometria',
'função',
'equação',
'fração',
'raiz',
'potência',
'derivada',
'integral',
'número',
'gráfico',
'fórmula',
'matriz',
'vetor',
'probabilidade',
'percentagem',
'ângulo',
'triângulo',
'quadrado',
'círculo',
'volume',
'área',
'perímetro',
];
// Check if material name or class name contains math keywords
final combinedText = '$matName $className';
return mathKeywords.any((keyword) => combinedText.contains(keyword));
}
Future<void> _generateQuiz(Map<String, String> material) async {
setState(() => _generatingForId = material['id']);
try {
final matId = material['id']!;
final matName = material['name'] ?? 'Material';
final isMathematics = _isMathematicsSubject(material);
final pdfContext = await MaterialsRAGService.getRelevantChunks(
userQuery: 'conteúdo geral resumo tópicos principais',
userQuery: 'todos os exercícios todos os tópicos completo',
selectedMaterialIds: [matId],
maxChunks: 20, // Aumentar para cobrir todo o documento
filterTableData:
isMathematics, // Filtrar dados de tabela para matemática
);
if (pdfContext.isEmpty) {
@@ -180,7 +232,10 @@ class _TeacherQuizPageState extends State<TeacherQuizPage>
return;
}
final numQuestions = 5 + Random().nextInt(16); // 5..20
final numQuestions = isMathematics
? 10 +
Random().nextInt(11) // 10..20 para matemática
: 5 + Random().nextInt(16); // 5..20 para outras matérias
final prompt =
'Usa APENAS o seguinte contexto para criar um quiz. Não uses conhecimento externo.\n\n'
'$pdfContext\n\n'
@@ -190,7 +245,10 @@ class _TeacherQuizPageState extends State<TeacherQuizPage>
'[{"q":"Pergunta aqui","opts":["A) opção","B) opção","C) opção","D) opção"],"ans":0,"exp":"Explicação breve da resposta correcta"},...}]\n'
'ans é o índice (0-3) da opção correcta.';
final raw = await RAGAIService.generateQuiz(prompt);
final raw = await RAGAIService.generateQuiz(
prompt,
isMathematics: isMathematics,
);
final questions = _parseQuizJson(raw);
if (questions.isEmpty) {
@@ -358,6 +416,73 @@ class _TeacherQuizPageState extends State<TeacherQuizPage>
return groups;
}
Future<void> _deleteQuiz(String quizId, String quizTitle) async {
final confirmed = await showDialog<bool>(
context: context,
builder: (context) => AlertDialog(
title: const Text('Eliminar Quiz'),
content: Text('Tem certeza que deseja eliminar o quiz "$quizTitle"?'),
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 {
final user = FirebaseAuth.instance.currentUser;
if (user == null) return;
// Delete from teacherQuizzes
await FirebaseFirestore.instance
.collection('teacherQuizzes')
.doc(quizId)
.delete();
// Also delete from student history
final historySnapshot = await FirebaseFirestore.instance
.collection('quizHistory')
.where('quizId', isEqualTo: quizId)
.get();
for (final doc in historySnapshot.docs) {
await doc.reference.delete();
}
setState(() {
_history.removeWhere((item) => item['id'] == quizId);
});
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Quiz eliminado com sucesso!'),
backgroundColor: Colors.green,
),
);
}
} catch (e) {
Logger.error('Error deleting quiz: $e');
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Erro ao eliminar: $e'),
backgroundColor: Colors.red,
),
);
}
}
}
Widget _buildHistoryQuizTile(Map<String, dynamic> item, ColorScheme cs) {
final name = (item['materialName'] as String? ?? 'Material')
.replaceAll('.pdf', '')
@@ -409,7 +534,19 @@ class _TeacherQuizPageState extends State<TeacherQuizPage>
style: TextStyle(fontSize: 12, color: cs.onSurfaceVariant),
)
: null,
trailing: Icon(Icons.bar_chart, color: cs.onSurfaceVariant),
trailing: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(Icons.bar_chart, color: cs.onSurfaceVariant),
const SizedBox(width: 8),
IconButton(
icon: Icon(Icons.delete_outline, color: Colors.red),
onPressed: () =>
_deleteQuiz(item['id'], item['materialName'] ?? 'Quiz'),
tooltip: 'Eliminar Quiz',
),
],
),
onTap: () => _showResultsPopup(item),
),
);