Files
LearnIT/lib/features/dashboard/presentation/widgets/teacher_analytics_preview_widget.dart
2026-05-17 18:27:22 +01:00

412 lines
14 KiB
Dart

import 'package:flutter/material.dart';
import 'package:cloud_firestore/cloud_firestore.dart';
import '../../../../core/theme/app_theme_extension.dart';
import 'package:flutter_animate/flutter_animate.dart';
import '../../../../core/services/auth_service.dart';
import '../../../../core/services/gamification_service.dart';
import '../../../../core/models/class_stats.dart';
/// Analytics preview section for teacher dashboard
class TeacherAnalyticsPreviewWidget extends StatefulWidget {
const TeacherAnalyticsPreviewWidget({super.key});
@override
State<TeacherAnalyticsPreviewWidget> createState() => _TeacherAnalyticsPreviewWidgetState();
}
class _TeacherAnalyticsPreviewWidgetState extends State<TeacherAnalyticsPreviewWidget> {
List<ClassStats> _classStats = [];
List<StudentRanking> _topStudents = [];
bool _loading = true;
@override
void initState() {
super.initState();
_loadAnalyticsData();
}
Future<void> _loadAnalyticsData() async {
try {
final user = AuthService.currentUser;
if (user == null) return;
// Obter turmas do professor
final classesSnapshot = await FirebaseFirestore.instance
.collection('classes')
.where('teacherId', isEqualTo: user.uid)
.get();
final classStatsList = <ClassStats>[];
for (final classDoc in classesSnapshot.docs) {
final classId = classDoc.id;
// Forçar atualização para obter dados mais recentes
final stats = await GamificationService.getClassStats(classId, forceRefresh: true);
if (stats != null) {
classStatsList.add(stats);
}
}
// Obter melhores alunos de todas as turmas
final allTopStudents = <StudentRanking>[];
for (final classStats in classStatsList) {
final ranking = await GamificationService.getClassRanking(classStats.classId);
allTopStudents.addAll(ranking.take(3)); // Top 3 de cada turma
}
// Ordenar por score e pegar os melhores
allTopStudents.sort((a, b) => b.overallScore.compareTo(a.overallScore));
final topStudents = allTopStudents.take(4).toList();
if (mounted) {
setState(() {
_classStats = classStatsList;
_topStudents = topStudents;
_loading = false;
});
}
} catch (e) {
print('Error loading analytics data: $e');
if (mounted) {
setState(() {
_loading = false;
});
}
}
}
int get totalStudents => _classStats.fold(0, (sum, stats) => sum + stats.totalStudents);
int get activeStudents => _classStats.fold(0, (sum, stats) => sum + stats.activeStudents);
double get averageProgress {
if (_classStats.isEmpty) return 0.0;
final totalProgress = _classStats.fold(0.0, (sum, stats) => sum + stats.averageProgress);
return totalProgress / _classStats.length;
}
int get studentsNeedingSupport => _classStats.fold(0, (sum, stats) => sum + stats.studentsNeedingSupport.length);
@override
Widget build(BuildContext context) {
if (_loading) {
return const Center(child: CircularProgressIndicator());
}
final user = AuthService.currentUser;
final userName = user?.displayName ?? 'Professor';
final userEmail = user?.email ?? '';
return Container(
margin: const EdgeInsets.only(top: 24),
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.surface,
borderRadius: BorderRadius.circular(16),
border: Border.all(
color: Theme.of(context).colorScheme.outline.withOpacity(0.2),
),
boxShadow: [
BoxShadow(
color: Theme.of(context).colorScheme.shadow.withOpacity(0.05),
blurRadius: 10,
offset: const Offset(0, 4),
),
],
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Profile Header
Row(
children: [
Container(
width: 48,
height: 48,
decoration: BoxDecoration(
gradient: LinearGradient(
colors: [
AppThemeExtras.of(context).actionCardGradientStart,
AppThemeExtras.of(context).actionCardGradientEnd,
],
),
borderRadius: BorderRadius.circular(24),
),
child: const Icon(
Icons.school,
color: Colors.white,
size: 24,
),
),
const SizedBox(width: 16),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
userName,
style: TextStyle(
color: Theme.of(context).colorScheme.onSurface,
fontSize: 18,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 2),
SingleChildScrollView(
scrollDirection: Axis.horizontal,
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Text(
userEmail,
style: TextStyle(
color: Theme.of(
context,
).colorScheme.onSurfaceVariant,
fontSize: 14,
),
),
if (userEmail.length > 20) ...[
const SizedBox(width: 8),
Icon(
Icons.more_horiz,
color: Theme.of(
context,
).colorScheme.onSurfaceVariant,
size: 16,
),
],
],
),
),
],
),
),
],
),
const SizedBox(height: 20),
// Quick Stats Row
Row(
children: [
_buildQuickStat(
icon: Icons.check_circle,
label: 'Alunos Ativos',
value: '$activeStudents/$totalStudents',
color: Theme.of(context).colorScheme.primary,
),
const SizedBox(width: 12),
_buildQuickStat(
icon: Icons.warning_amber,
label: 'Precisam Apoio',
value: '$studentsNeedingSupport',
color: Theme.of(context).colorScheme.secondary,
),
const SizedBox(width: 12),
_buildQuickStat(
icon: Icons.emoji_events,
label: 'Média Turma',
value: '${(averageProgress * 100).toInt()}%',
color: Theme.of(
context,
).colorScheme.primary.withValues(alpha: 0.8),
),
],
),
const SizedBox(height: 20),
// Top Performing Students Preview
Row(
children: [
Icon(
Icons.leaderboard,
color: Theme.of(context).colorScheme.secondary,
size: 20,
),
const SizedBox(width: 8),
Text(
'Melhores Desempenhos',
style: TextStyle(
color: Theme.of(context).colorScheme.onSurface,
fontSize: 16,
fontWeight: FontWeight.bold,
),
),
],
),
const SizedBox(height: 12),
// Student List Preview
..._topStudents.map((student) {
return Padding(
padding: const EdgeInsets.only(bottom: 8),
child: _buildStudentPerformanceItem(
context,
student.studentName,
student.overallScore.toInt(),
_getScoreColor(student.overallScore),
),
);
}),
const SizedBox(height: 20),
// Content Quality Alert
Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.surfaceContainerHighest,
borderRadius: BorderRadius.circular(12),
border: Border.all(
color: Theme.of(
context,
).colorScheme.outline.withOpacity(0.2),
),
),
child: Row(
children: [
Icon(
Icons.info_outline,
color: Theme.of(context).colorScheme.primary,
size: 20,
),
const SizedBox(width: 12),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Qualidade do Conteúdo',
style: TextStyle(
color: Theme.of(context).colorScheme.onSurface,
fontSize: 14,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 2),
Text(
'${_classStats.fold(0, (sum, stats) => sum + stats.totalContent)} conteúdos • $studentsNeedingSupport alunos precisam de apoio',
style: TextStyle(
color: Theme.of(
context,
).colorScheme.onSurfaceVariant,
fontSize: 12,
),
),
],
),
),
],
),
),
],
),
)
.animate()
.slideY(
duration: const Duration(milliseconds: 800),
curve: Curves.easeOut,
)
.then(delay: const Duration(milliseconds: 400));
}
Widget _buildQuickStat({
required IconData icon,
required String label,
required String value,
required Color color,
}) {
return Expanded(
child: Container(
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: color.withOpacity(0.1),
borderRadius: BorderRadius.circular(12),
border: Border.all(color: color.withOpacity(0.3), width: 1),
),
child: Column(
children: [
Icon(icon, color: color, size: 20),
const SizedBox(height: 6),
Text(
value,
style: TextStyle(
color: color,
fontSize: 16,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 2),
Text(
label,
style: TextStyle(color: color.withOpacity(0.8), fontSize: 10),
textAlign: TextAlign.center,
maxLines: 3,
),
],
),
),
);
}
Widget _buildStudentPerformanceItem(
BuildContext context,
String name,
int score,
Color color,
) {
return Row(
children: [
Container(
width: 32,
height: 32,
decoration: BoxDecoration(
color: color.withOpacity(0.1),
borderRadius: BorderRadius.circular(16),
),
child: Center(
child: Text(
name.split(' ').map((n) => n[0]).take(2).join(),
style: TextStyle(
color: color,
fontSize: 12,
fontWeight: FontWeight.bold,
),
),
),
),
const SizedBox(width: 12),
Expanded(
child: Text(
name,
style: TextStyle(
color: Theme.of(context).colorScheme.onSurfaceVariant,
fontSize: 14,
),
),
),
Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
decoration: BoxDecoration(
color: color.withOpacity(0.1),
borderRadius: BorderRadius.circular(8),
),
child: Text(
'$score%',
style: TextStyle(
color: color,
fontSize: 12,
fontWeight: FontWeight.bold,
),
),
),
],
);
}
Color _getScoreColor(double score) {
if (score >= 80) return Theme.of(context).colorScheme.tertiary;
if (score >= 60) return Theme.of(context).colorScheme.primary;
if (score >= 40) return Theme.of(context).colorScheme.secondary;
return Theme.of(context).colorScheme.error;
}
}