480 lines
17 KiB
Dart
480 lines
17 KiB
Dart
import 'dart:math';
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import 'package:cloud_firestore/cloud_firestore.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_animate/flutter_animate.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 '../../../../features/materials/presentation/pages/teacher_materials_page.dart';
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import 'dashboard_action_card.dart';
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/// Quick access cards for teacher actions
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class TeacherQuickActionsWidget extends StatefulWidget {
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const TeacherQuickActionsWidget({super.key});
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@override
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State<TeacherQuickActionsWidget> createState() =>
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_TeacherQuickActionsWidgetState();
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}
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class _TeacherQuickActionsWidgetState extends State<TeacherQuickActionsWidget> {
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bool _isCreatingClass = false;
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/// Mesmas dimensões dos cards em "As Minhas Turmas".
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static const double _scrollCardWidth = 200;
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static const double _scrollRowHeight = 150;
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static const double _cardMinHeight = 150;
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static const EdgeInsets _cardPadding = EdgeInsets.all(16);
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static const double _titleFontSize = 16;
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static const double _subtitleFontSize = 13;
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static const double _iconSize = 24;
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static const double _iconPadding = 10;
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@override
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Widget build(BuildContext context) {
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final cards = [
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_buildUploadContentCard(context),
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_buildCreateClassCard(context),
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_buildCreateQuizCard(context),
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_buildViewAnalyticsCard(context),
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];
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'Ações Rápidas',
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style: TextStyle(
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color: Theme.of(context).colorScheme.onSurface,
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fontSize: 20,
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 12),
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SizedBox(
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height: _scrollRowHeight,
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child: ListView.separated(
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scrollDirection: Axis.horizontal,
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clipBehavior: Clip.none,
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padding: const EdgeInsets.only(right: 16),
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itemCount: cards.length,
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separatorBuilder: (_, __) => const SizedBox(width: 12),
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itemBuilder: (context, index) => SizedBox(
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width: _scrollCardWidth,
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child: cards[index],
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),
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),
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),
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],
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)
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.animate()
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.slideY(
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duration: const Duration(milliseconds: 800),
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curve: Curves.easeOut,
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)
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.then(delay: const Duration(milliseconds: 200));
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}
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Widget _buildUploadContentCard(BuildContext context) {
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return ClipRRect(
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borderRadius: BorderRadius.circular(16),
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child: DashboardActionCard(
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title: 'Upload Conteúdo',
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subtitle: 'PDFs, textos, imagens',
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icon: Icons.upload_file,
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useGradient: true,
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minHeight: _cardMinHeight,
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iconSize: _iconSize,
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iconPadding: _iconPadding,
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titleFontSize: _titleFontSize,
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subtitleFontSize: _subtitleFontSize,
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padding: _cardPadding,
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onTap: () => Navigator.push(
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context,
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MaterialPageRoute(
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builder: (_) => const TeacherMaterialsPage(),
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),
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),
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)
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.animate()
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.scale(
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duration: const Duration(milliseconds: 600),
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curve: Curves.elasticOut,
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)
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.then(delay: const Duration(milliseconds: 100)),
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);
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}
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Widget _buildCreateQuizCard(BuildContext context) {
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return ClipRRect(
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borderRadius: BorderRadius.circular(16),
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child: DashboardActionCardSurface(
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title: 'Criar Quiz',
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subtitle: 'Avaliações interativas',
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icon: Icons.quiz,
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minHeight: _cardMinHeight,
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titleFontSize: _titleFontSize,
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subtitleFontSize: _subtitleFontSize,
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iconSize: _iconSize,
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padding: _cardPadding,
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onTap: () => context.go('/teacher/quiz/create'),
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)
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.animate()
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.scale(
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duration: const Duration(milliseconds: 600),
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curve: Curves.elasticOut,
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)
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.then(delay: const Duration(milliseconds: 200)),
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);
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}
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Widget _buildViewAnalyticsCard(BuildContext context) {
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final cs = Theme.of(context).colorScheme;
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return DashboardActionCardSurface(
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title: 'Analytics',
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subtitle: 'Desempenho da turma',
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icon: Icons.analytics,
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minHeight: _cardMinHeight,
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titleFontSize: _titleFontSize,
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subtitleFontSize: _subtitleFontSize,
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iconSize: _iconSize,
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padding: _cardPadding,
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iconColor: cs.primary,
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leadingWidget: Container(
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padding: const EdgeInsets.all(_iconPadding),
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decoration: BoxDecoration(
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color: cs.primary.withOpacity(0.1),
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borderRadius: BorderRadius.circular(10),
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),
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child: Icon(Icons.analytics, color: cs.primary, size: _iconSize),
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),
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onTap: () => context.go('/teacher/analytics'),
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)
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.animate()
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.scale(
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duration: const Duration(milliseconds: 600),
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curve: Curves.elasticOut,
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)
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.then(delay: const Duration(milliseconds: 400));
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}
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Widget _buildCreateClassCard(BuildContext context) {
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final cs = Theme.of(context).colorScheme;
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return ClipRRect(
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borderRadius: BorderRadius.circular(16),
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child: DashboardActionCardSurface(
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title: 'Criar Turma',
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subtitle: 'Gerar código de acesso',
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icon: Icons.school,
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minHeight: _cardMinHeight,
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titleFontSize: _titleFontSize,
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subtitleFontSize: _subtitleFontSize,
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iconSize: _iconSize,
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padding: _cardPadding,
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iconColor: cs.primary,
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onTapDisabled: _isCreatingClass,
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onTap: () => _showCreateClassDialog(context),
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leadingWidget: Container(
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padding: const EdgeInsets.all(_iconPadding),
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decoration: BoxDecoration(
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color: cs.primary.withOpacity(0.1),
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borderRadius: BorderRadius.circular(10),
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),
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child: _isCreatingClass
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? SizedBox(
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width: _iconSize,
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height: _iconSize,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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color: cs.primary,
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),
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)
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: Icon(Icons.school, color: cs.primary, size: _iconSize),
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),
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)
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.animate()
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.scale(
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duration: const Duration(milliseconds: 600),
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curve: Curves.elasticOut,
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)
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.then(delay: const Duration(milliseconds: 150)),
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);
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}
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void _showCreateClassDialog(BuildContext context) {
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final TextEditingController nameController = TextEditingController();
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String? selectedSchoolClassId;
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List<Map<String, String>> schoolClasses = [];
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bool isLoadingClasses = true;
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// Carregar school_classes antes de mostrar o dialog
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FirebaseFirestore.instance
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.collection('school_classes')
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.where('active', isEqualTo: true)
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.orderBy('year')
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.orderBy('section')
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.get()
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.then((snapshot) {
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schoolClasses = snapshot.docs.map((doc) {
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final data = doc.data();
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return {'id': doc.id, 'name': (data['name'] as String? ?? doc.id)};
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}).toList();
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isLoadingClasses = false;
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})
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.catchError((_) {
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isLoadingClasses = false;
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});
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showDialog(
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context: context,
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builder: (BuildContext dialogContext) {
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return StatefulBuilder(
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builder: (context, setDialogState) {
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// Atualizar estado do dialog quando as classes carregarem
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if (isLoadingClasses) {
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Future.delayed(const Duration(milliseconds: 300), () {
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if (dialogContext.mounted) setDialogState(() {});
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});
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}
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return AlertDialog(
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(16),
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),
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title: Text(
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'Criar Nova Disciplina',
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style: TextStyle(
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color: Theme.of(context).colorScheme.onSurface,
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fontWeight: FontWeight.bold,
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),
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),
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content: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'Nome da disciplina:',
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style: TextStyle(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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fontSize: 14,
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),
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),
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const SizedBox(height: 12),
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TextField(
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controller: nameController,
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decoration: InputDecoration(
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hintText: 'Ex: Matemática, Física...',
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filled: true,
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fillColor: Theme.of(
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context,
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).colorScheme.surfaceContainerHighest,
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: BorderSide.none,
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: BorderSide.none,
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: BorderSide(
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color: Theme.of(context).colorScheme.primary,
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width: 2,
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),
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),
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),
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),
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const SizedBox(height: 16),
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Text(
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'Turma:',
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style: TextStyle(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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fontSize: 14,
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),
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),
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const SizedBox(height: 8),
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isLoadingClasses
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? Row(
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children: [
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SizedBox(
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width: 16,
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height: 16,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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color: Theme.of(context).colorScheme.primary,
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),
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),
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const SizedBox(width: 10),
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Text(
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'A carregar turmas...',
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style: TextStyle(
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color: Theme.of(
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context,
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).colorScheme.onSurfaceVariant,
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fontSize: 13,
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),
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),
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],
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)
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: DropdownButtonFormField<String>(
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value: selectedSchoolClassId,
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isExpanded: true,
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decoration: InputDecoration(
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filled: true,
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fillColor: Theme.of(
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context,
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).colorScheme.surfaceContainerHighest,
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: BorderSide.none,
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: BorderSide.none,
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: BorderSide(
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color: Theme.of(context).colorScheme.primary,
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width: 2,
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),
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),
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 12,
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vertical: 10,
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),
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),
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hint: Text(
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'Seleciona a turma',
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style: TextStyle(
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color: Theme.of(
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context,
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).colorScheme.onSurfaceVariant,
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),
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),
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items: schoolClasses
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.map(
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(c) => DropdownMenuItem<String>(
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value: c['id'],
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child: Text(c['name']!),
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),
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)
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.toList(),
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onChanged: (value) => setDialogState(
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() => selectedSchoolClassId = value,
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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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TextButton(
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onPressed: () => Navigator.of(dialogContext).pop(),
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child: Text(
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'Cancelar',
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style: TextStyle(
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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),
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),
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),
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ElevatedButton(
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onPressed: () {
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final className = nameController.text.trim();
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if (className.isNotEmpty) {
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Navigator.of(dialogContext).pop();
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_createClass(
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className,
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schoolClassId: selectedSchoolClassId,
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);
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}
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},
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style: ElevatedButton.styleFrom(
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backgroundColor: Theme.of(context).colorScheme.primary,
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foregroundColor: Colors.white,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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),
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child: const Text('Criar'),
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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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}
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String _generateClassCode() {
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const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
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final random = Random();
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return String.fromCharCodes(
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Iterable.generate(
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6,
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(_) => chars.codeUnitAt(random.nextInt(chars.length)),
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),
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);
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}
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Future<void> _createClass(String className, {String? schoolClassId}) async {
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setState(() {
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_isCreatingClass = true;
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});
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try {
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final currentUser = AuthService.currentUser;
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if (currentUser == null) {
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throw Exception('Utilizador não autenticado');
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}
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final classCode = _generateClassCode();
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final firestore = FirebaseFirestore.instance;
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final Map<String, dynamic> classData = {
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'name': className,
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'teacherId': currentUser.uid,
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'code': classCode,
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'createdAt': FieldValue.serverTimestamp(),
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};
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if (schoolClassId != null && schoolClassId.isNotEmpty) {
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classData['schoolClassId'] = schoolClassId;
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}
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await firestore.collection('classes').add(classData);
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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(
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'Turma "$className" criada com sucesso! Código: $classCode',
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),
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backgroundColor: Theme.of(context).colorScheme.primary,
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behavior: SnackBarBehavior.floating,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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),
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);
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}
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} catch (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 criar turma: $e'),
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backgroundColor: Colors.red,
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behavior: SnackBarBehavior.floating,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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),
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);
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}
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} finally {
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setState(() {
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_isCreatingClass = false;
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});
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}
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}
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}
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