792 lines
26 KiB
Dart
792 lines
26 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_animate/flutter_animate.dart';
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import 'package:cloud_firestore/cloud_firestore.dart';
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import 'package:go_router/go_router.dart';
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import '../../../../core/services/auth_service.dart';
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import '../../../../core/utils/logger.dart';
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/// Página para gerenciar quizzes (eliminar quizzes feitos)
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class QuizManagementPage extends StatefulWidget {
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const QuizManagementPage({super.key});
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@override
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State<QuizManagementPage> createState() => _QuizManagementPageState();
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}
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class _QuizManagementPageState extends State<QuizManagementPage> {
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List<Map<String, dynamic>> _quizHistory = [];
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bool _loading = true;
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String _userRole = '';
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// Turma seleccionada (null = vista de turmas)
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String? _selectedClassId;
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Map<String, String> _classNames = {}; // classId → name
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// Search and filter
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final TextEditingController _searchController = TextEditingController();
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DateTime? _selectedDate;
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@override
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void initState() {
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super.initState();
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_loadUserRole();
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_loadQuizHistory();
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}
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@override
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void dispose() {
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_searchController.dispose();
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super.dispose();
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}
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Future<void> _selectDate() async {
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final DateTime? picked = await showDatePicker(
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context: context,
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initialDate: _selectedDate ?? DateTime.now(),
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firstDate: DateTime(2020),
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lastDate: DateTime.now().add(const Duration(days: 365)),
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);
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if (picked != null) {
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setState(() => _selectedDate = picked);
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}
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}
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Future<void> _loadUserRole() async {
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final user = AuthService.currentUser;
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if (user != null) {
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final userDoc = await FirebaseFirestore.instance
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.collection('users')
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.doc(user.uid)
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.get();
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if (userDoc.exists) {
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setState(() {
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_userRole = userDoc.data()?['role'] ?? '';
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});
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}
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}
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}
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Future<void> _loadQuizHistory() async {
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try {
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final user = AuthService.currentUser;
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if (user == null) return;
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Query query;
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if (_userRole == 'teacher') {
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// Professor: ver todos os quizzes criados
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query = FirebaseFirestore.instance
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.collection('teacherQuizzes')
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.where('teacherId', isEqualTo: user.uid)
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.orderBy('createdAt', descending: true);
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} else {
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// Aluno: ver quizzes criados pelo próprio aluno + conceitos dominados
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final results = await Future.wait([
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FirebaseFirestore.instance
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.collection('userStats')
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.doc(user.uid)
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.get(),
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FirebaseFirestore.instance
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.collection('quizHistory')
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.doc(user.uid)
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.collection('quizzes')
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.orderBy('createdAt', descending: true)
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.get(),
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]);
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final userStatsSnapshot = results[0] as DocumentSnapshot;
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final studentQuizzesSnapshot = results[1] as QuerySnapshot;
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List<Map<String, dynamic>> quizList = [];
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// Adicionar quizzes criados pelo aluno
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for (final doc in studentQuizzesSnapshot.docs) {
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final data = Map<String, dynamic>.from(doc.data() as Map);
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data['id'] = doc.id;
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data['title'] = data['materialName'] ?? 'Quiz sem nome';
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data['type'] = 'created';
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quizList.add(data);
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}
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// Adicionar conceitos dominados
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if (userStatsSnapshot.exists) {
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final stats = userStatsSnapshot.data() as Map<String, dynamic>?;
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if (stats != null) {
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final masteredConcepts =
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(stats['masteredConcepts'] as List<dynamic>?)
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?.map((c) => Map<String, dynamic>.from(c as Map))
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.toList() ??
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[];
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for (final concept in masteredConcepts) {
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quizList.add({
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'id': concept['conceptName'] ?? '',
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'title': concept['conceptName'] ?? 'Conceito sem nome',
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'score': concept['masteryLevel'] ?? 0,
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'totalQuestions': 100, // Simulado
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'completedAt': concept['masteredAt'] ?? Timestamp.now(),
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'type': 'concept',
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});
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}
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}
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}
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setState(() {
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_quizHistory = quizList;
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_loading = false;
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});
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return;
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}
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final snapshot = await query.get();
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final quizzes = snapshot.docs
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.map((doc) {
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final data = Map<String, dynamic>.from(doc.data() as Map);
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data['id'] = doc.id;
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return data;
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})
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.cast<Map<String, dynamic>>()
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.toList();
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// Obter nomes das disciplinas
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final classIdSet = <String>{};
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for (final q in quizzes) {
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final ids = (q['classIds'] as List?)?.cast<String>() ?? [];
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classIdSet.addAll(ids);
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}
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final classNamesMap = <String, String>{};
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if (classIdSet.isNotEmpty) {
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final docs = await Future.wait(
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classIdSet.map(
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(id) =>
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FirebaseFirestore.instance.collection('classes').doc(id).get(),
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),
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);
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for (final doc in docs.where((d) => d.exists)) {
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classNamesMap[doc.id] = doc.data()?['name'] as String? ?? doc.id;
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}
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}
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setState(() {
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_quizHistory = quizzes;
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_classNames = classNamesMap;
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_loading = false;
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});
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} catch (e) {
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Logger.error('Error loading quiz history: $e');
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setState(() {
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_loading = false;
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});
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}
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}
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Future<void> _deleteQuiz(String quizId, String quizTitle, String type) async {
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try {
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String confirmMessage;
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String successMessage;
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if (_userRole == 'teacher') {
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confirmMessage =
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'Tem certeza que deseja eliminar o quiz "$quizTitle"? Esta ação não pode ser desfeita.';
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successMessage = 'Quiz eliminado com sucesso!';
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} else {
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if (type == 'created') {
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confirmMessage =
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'Tem certeza que deseja eliminar seu quiz "$quizTitle"?';
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successMessage = 'Quiz eliminado com sucesso!';
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} else {
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confirmMessage =
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'Tem certeza que deseja remover o conceito "$quizTitle" do seu histórico?';
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successMessage = 'Conceito removido com sucesso!';
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}
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}
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final confirmed = await _showDeleteConfirmation(
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quizTitle,
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confirmMessage,
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);
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if (!confirmed) return;
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if (_userRole == 'teacher') {
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// Professor: eliminar quiz criado
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await FirebaseFirestore.instance
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.collection('teacherQuizzes')
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.doc(quizId)
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.delete();
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// Também eliminar do histórico de alunos
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final historySnapshot = await FirebaseFirestore.instance
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.collection('quizHistory')
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.where('quizId', isEqualTo: quizId)
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.get();
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for (final doc in historySnapshot.docs) {
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await doc.reference.delete();
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}
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} else {
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// Aluno: remover quiz criado ou conceito dominado
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if (type == 'created') {
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// Remover quiz criado pelo aluno
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final user = AuthService.currentUser;
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if (user != null) {
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await FirebaseFirestore.instance
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.collection('quizHistory')
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.doc(user.uid)
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.collection('quizzes')
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.doc(quizId)
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.delete();
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}
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} else {
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// Remover conceito dominado
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final user = AuthService.currentUser;
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if (user != null) {
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final userStatsDoc = await FirebaseFirestore.instance
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.collection('userStats')
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.doc(user.uid)
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.get();
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if (userStatsDoc.exists) {
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final userStats = userStatsDoc.data() as Map<String, dynamic>;
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final masteredConcepts =
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(userStats['masteredConcepts'] as List<dynamic>?)
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?.map((c) => Map<String, dynamic>.from(c as Map))
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.toList() ??
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[];
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// Encontrar o conceito específico para remover
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final conceptToRemove = masteredConcepts.firstWhere(
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(c) => c['conceptName'] == quizId,
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orElse: () => {},
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);
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if (conceptToRemove.isNotEmpty) {
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await FirebaseFirestore.instance
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.collection('userStats')
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.doc(user.uid)
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.update({
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'masteredConcepts': FieldValue.arrayRemove([
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conceptToRemove,
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]),
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});
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}
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}
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}
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}
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}
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_loadQuizHistory(); // Recarregar lista
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(successMessage),
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backgroundColor: Colors.green,
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),
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);
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}
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} catch (e) {
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Logger.error('Error deleting quiz: $e');
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Erro ao eliminar: $e'),
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backgroundColor: Colors.red,
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),
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);
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}
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}
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}
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Future<bool> _showDeleteConfirmation(String quizTitle, String message) async {
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final result = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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title: Text(
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_userRole == 'teacher' ? 'Eliminar Quiz' : 'Confirmar Eliminação',
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),
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content: Text(message),
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actions: [
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TextButton(
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onPressed: () => Navigator.of(context).pop(false),
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child: const Text('Cancelar'),
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),
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ElevatedButton(
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onPressed: () => Navigator.of(context).pop(true),
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style: ElevatedButton.styleFrom(backgroundColor: Colors.red),
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child: const Text('Eliminar'),
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),
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],
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),
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);
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return result ?? false;
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}
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Map<String, List<Map<String, dynamic>>> _groupByClass() {
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final Map<String, List<Map<String, dynamic>>> groups = {};
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for (final quiz in _quizHistory) {
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final quizClassIds = (quiz['classIds'] as List?)?.cast<String>() ?? [];
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String? groupId = quizClassIds.cast<String?>().firstWhere(
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(cid) => cid != null && _classNames.containsKey(cid),
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orElse: () => null,
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);
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groupId ??= quizClassIds.isNotEmpty ? quizClassIds.first : '__geral__';
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groups.putIfAbsent(groupId, () => []).add(quiz);
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}
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return groups;
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}
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List<Map<String, dynamic>> _getFilteredQuizzes() {
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final searchQuery = _searchController.text.toLowerCase();
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return _quizHistory.where((quiz) {
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// Filter by date if selected
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if (_selectedDate != null) {
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final quizDate = quiz['createdAt'] as Timestamp?;
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if (quizDate == null) return false;
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final quizDateTime = quizDate.toDate();
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if (quizDateTime.year != _selectedDate!.year ||
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quizDateTime.month != _selectedDate!.month ||
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quizDateTime.day != _selectedDate!.day) {
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return false;
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}
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}
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// Filter by search query (class name or quiz title)
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if (searchQuery.isNotEmpty) {
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final title = (quiz['title'] as String? ?? '').toLowerCase();
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final quizClassIds = (quiz['classIds'] as List?)?.cast<String>() ?? [];
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bool matchesSearch = title.contains(searchQuery);
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for (final classId in quizClassIds) {
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if (_classNames.containsKey(classId)) {
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final className = _classNames[classId]!.toLowerCase();
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if (className.contains(searchQuery)) {
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matchesSearch = true;
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break;
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}
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}
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}
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if (!matchesSearch) return false;
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}
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return true;
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}).toList();
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}
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Map<String, List<Map<String, dynamic>>> _getFilteredGroups() {
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final filteredQuizzes = _getFilteredQuizzes();
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final Map<String, List<Map<String, dynamic>>> groups = {};
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for (final quiz in filteredQuizzes) {
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final quizClassIds = (quiz['classIds'] as List?)?.cast<String>() ?? [];
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String? groupId = quizClassIds.cast<String?>().firstWhere(
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(cid) => cid != null && _classNames.containsKey(cid),
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orElse: () => null,
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);
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groupId ??= quizClassIds.isNotEmpty ? quizClassIds.first : '__geral__';
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groups.putIfAbsent(groupId, () => []).add(quiz);
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}
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return groups;
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}
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@override
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Widget build(BuildContext context) {
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final cs = Theme.of(context).colorScheme;
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return PopScope(
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canPop: _selectedClassId == null,
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onPopInvokedWithResult: (didPop, _) {
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if (!didPop && _selectedClassId != null) {
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setState(() => _selectedClassId = null);
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}
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},
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child: Scaffold(
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backgroundColor: cs.surface,
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appBar: AppBar(
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title: Text(
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_userRole == 'teacher' ? 'Gerenciar Quizzes' : 'Meu Histórico',
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),
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backgroundColor: cs.surface,
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foregroundColor: cs.onSurface,
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elevation: 0,
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leading: IconButton(
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icon: const Icon(Icons.arrow_back),
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onPressed: () {
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if (_userRole == 'teacher' && _selectedClassId != null) {
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setState(() => _selectedClassId = null);
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return;
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}
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if (Navigator.of(context).canPop()) {
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Navigator.of(context).pop();
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} else {
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context.go(
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_userRole == 'teacher'
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? '/teacher-dashboard'
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: '/student-dashboard',
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);
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}
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},
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),
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actions: [
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IconButton(
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icon: const Icon(Icons.calendar_today),
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onPressed: _selectDate,
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tooltip: 'Filtrar por data',
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),
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if (_selectedDate != null)
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IconButton(
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icon: const Icon(Icons.clear),
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onPressed: () {
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setState(() => _selectedDate = null);
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},
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tooltip: 'Limpar filtro',
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),
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],
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bottom: _selectedClassId == null
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? PreferredSize(
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preferredSize: const Size.fromHeight(60),
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child: Padding(
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padding: const EdgeInsets.all(8),
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child: TextField(
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controller: _searchController,
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decoration: InputDecoration(
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hintText: 'Pesquisar turma...',
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prefixIcon: const Icon(Icons.search),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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),
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 16,
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vertical: 12,
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),
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),
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onChanged: (value) => setState(() {}),
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),
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),
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)
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: null,
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),
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body: Container(
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decoration: BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topCenter,
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end: Alignment.bottomCenter,
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colors: [cs.primary.withValues(alpha: 0.05), cs.surface],
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),
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),
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child: _loading
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? const Center(child: CircularProgressIndicator())
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: _getFilteredQuizzes().isEmpty
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? _buildEmptyState()
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: _userRole == 'teacher'
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? _buildTeacherBody(cs)
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: ListView.builder(
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padding: const EdgeInsets.all(16),
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itemCount: _getFilteredQuizzes().length,
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itemBuilder: (context, index) {
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final quiz = _getFilteredQuizzes()[index];
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return _buildQuizCard(quiz)
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.animate()
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.slideX(duration: const Duration(milliseconds: 300))
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.then(delay: Duration(milliseconds: index * 50));
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},
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),
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),
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),
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);
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}
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Widget _buildTeacherBody(ColorScheme cs) {
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final groups = _searchController.text.isNotEmpty || _selectedDate != null
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? _getFilteredGroups()
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: _groupByClass();
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// Vista de quizzes de uma turma
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if (_selectedClassId != null) {
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final quizzes = groups[_selectedClassId] ?? [];
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final className =
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_classNames[_selectedClassId] ??
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(_selectedClassId == '__geral__' ? 'Geral' : _selectedClassId!);
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Padding(
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padding: const EdgeInsets.fromLTRB(8, 8, 16, 0),
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child: Row(
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children: [
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IconButton(
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icon: Icon(Icons.arrow_back, color: cs.onSurface),
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onPressed: () => setState(() => _selectedClassId = null),
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),
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const SizedBox(width: 4),
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Expanded(
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child: Text(
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className,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.bold,
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color: cs.onSurface,
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),
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),
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),
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Text(
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'${quizzes.length} quiz${quizzes.length != 1 ? 'zes' : ''}',
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style: TextStyle(fontSize: 13, color: cs.onSurfaceVariant),
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),
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],
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),
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),
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const Divider(height: 1),
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Expanded(
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child: ListView.builder(
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padding: const EdgeInsets.all(16),
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itemCount: quizzes.length,
|
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itemBuilder: (context, index) {
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|
final quiz = quizzes[index];
|
|
return _buildQuizCard(quiz)
|
|
.animate()
|
|
.slideX(duration: const Duration(milliseconds: 300))
|
|
.then(delay: Duration(milliseconds: index * 50));
|
|
},
|
|
),
|
|
),
|
|
],
|
|
);
|
|
}
|
|
|
|
// Vista de turmas
|
|
final classIds = groups.keys.toList();
|
|
return ListView.separated(
|
|
padding: const EdgeInsets.all(16),
|
|
itemCount: classIds.length,
|
|
separatorBuilder: (_, __) => const SizedBox(height: 12),
|
|
itemBuilder: (context, i) {
|
|
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(() => _selectedClassId = cId),
|
|
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(
|
|
cName,
|
|
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),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
},
|
|
);
|
|
}
|
|
|
|
Widget _buildEmptyState() {
|
|
final cs = Theme.of(context).colorScheme;
|
|
|
|
return Center(
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(32),
|
|
child: Column(
|
|
mainAxisAlignment: MainAxisAlignment.center,
|
|
children: [
|
|
Icon(
|
|
_userRole == 'teacher'
|
|
? Icons.quiz_outlined
|
|
: Icons.history_edu_outlined,
|
|
size: 64,
|
|
color: cs.onSurfaceVariant,
|
|
),
|
|
const SizedBox(height: 16),
|
|
Text(
|
|
_userRole == 'teacher'
|
|
? 'Nenhum quiz criado'
|
|
: 'Nenhum quiz no histórico',
|
|
style: TextStyle(
|
|
color: cs.onSurface,
|
|
fontSize: 20,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
textAlign: TextAlign.center,
|
|
),
|
|
const SizedBox(height: 8),
|
|
Text(
|
|
_userRole == 'teacher'
|
|
? 'Crie seu primeiro quiz para começar!'
|
|
: 'Complete alguns quizzes para ver seu histórico aqui.',
|
|
style: TextStyle(color: cs.onSurfaceVariant, fontSize: 14),
|
|
textAlign: TextAlign.center,
|
|
),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
Widget _buildQuizCard(Map<String, dynamic> quiz) {
|
|
final cs = Theme.of(context).colorScheme;
|
|
|
|
return Container(
|
|
margin: const EdgeInsets.only(bottom: 12),
|
|
padding: const EdgeInsets.all(16),
|
|
decoration: BoxDecoration(
|
|
color: cs.surface,
|
|
borderRadius: BorderRadius.circular(16),
|
|
border: Border.all(color: cs.outline.withValues(alpha: 0.2)),
|
|
boxShadow: [
|
|
BoxShadow(
|
|
color: cs.shadow.withValues(alpha: 0.1),
|
|
blurRadius: 10,
|
|
offset: const Offset(0, 4),
|
|
),
|
|
],
|
|
),
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Row(
|
|
children: [
|
|
Expanded(
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Text(
|
|
quiz['title'] ?? 'Quiz sem título',
|
|
style: TextStyle(
|
|
color: cs.onSurface,
|
|
fontSize: 16,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
const SizedBox(height: 4),
|
|
if (_userRole == 'student' && quiz['score'] != null) ...[
|
|
Text(
|
|
'Pontuação: ${quiz['score']}/${quiz['totalQuestions'] ?? '?'}',
|
|
style: TextStyle(
|
|
color: cs.primary,
|
|
fontSize: 14,
|
|
fontWeight: FontWeight.w500,
|
|
),
|
|
),
|
|
],
|
|
Text(
|
|
_userRole == 'teacher' || quiz['type'] == 'created'
|
|
? 'Criado em: ${_formatDate(quiz['createdAt'])}'
|
|
: 'Completado em: ${_formatDate(quiz['completedAt'])}',
|
|
style: TextStyle(
|
|
color: cs.onSurfaceVariant,
|
|
fontSize: 12,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
IconButton(
|
|
onPressed: () => _deleteQuiz(
|
|
quiz['id'],
|
|
quiz['title'] ?? 'Quiz',
|
|
quiz['type'] ?? 'unknown',
|
|
),
|
|
icon: Icon(Icons.delete_outline, color: Colors.red),
|
|
tooltip: _userRole == 'teacher' ? 'Eliminar Quiz' : 'Remover',
|
|
),
|
|
],
|
|
),
|
|
if (_userRole == 'teacher' &&
|
|
quiz['classIds'] != null &&
|
|
_selectedClassId == null) ...[
|
|
const SizedBox(height: 8),
|
|
Wrap(
|
|
spacing: 4,
|
|
children: (quiz['classIds'] as List<dynamic>).map((classId) {
|
|
return Container(
|
|
padding: const EdgeInsets.symmetric(
|
|
horizontal: 8,
|
|
vertical: 4,
|
|
),
|
|
decoration: BoxDecoration(
|
|
color: cs.primaryContainer,
|
|
borderRadius: BorderRadius.circular(8),
|
|
),
|
|
child: Text(
|
|
'Disciplina: $classId',
|
|
style: TextStyle(
|
|
color: cs.onPrimaryContainer,
|
|
fontSize: 10,
|
|
),
|
|
),
|
|
);
|
|
}).toList(),
|
|
),
|
|
],
|
|
],
|
|
),
|
|
);
|
|
}
|
|
|
|
String _formatDate(dynamic date) {
|
|
if (date == null) return 'Data desconhecida';
|
|
|
|
DateTime dateTime;
|
|
if (date is Timestamp) {
|
|
dateTime = date.toDate();
|
|
} else if (date is DateTime) {
|
|
dateTime = date;
|
|
} else {
|
|
return 'Data desconhecida';
|
|
}
|
|
|
|
return '${dateTime.day}/${dateTime.month}/${dateTime.year}';
|
|
}
|
|
}
|