forked from firka/student-legacy
264 lines
10 KiB
Dart
264 lines
10 KiB
Dart
import 'dart:math';
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import 'package:auto_size_text/auto_size_text.dart';
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import 'package:filcnaplo/api/providers/update_provider.dart';
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import 'package:filcnaplo_kreta_api/providers/grade_provider.dart';
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import 'package:filcnaplo/api/providers/user_provider.dart';
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import 'package:filcnaplo/theme/colors/colors.dart';
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import 'package:filcnaplo_kreta_api/models/grade.dart';
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import 'package:filcnaplo_kreta_api/models/subject.dart';
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import 'package:filcnaplo_kreta_api/models/group_average.dart';
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import 'package:filcnaplo_mobile_ui/common/average_display.dart';
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import 'package:filcnaplo_mobile_ui/common/empty.dart';
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import 'package:filcnaplo_mobile_ui/common/panel/panel.dart';
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import 'package:filcnaplo_mobile_ui/common/widgets/statistics_tile.dart';
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import 'package:filcnaplo_mobile_ui/common/widgets/grade/grade_subject_tile.dart';
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import 'package:filcnaplo_mobile_ui/common/trend_display.dart';
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import 'package:filcnaplo_mobile_ui/pages/grades/fail_warning.dart';
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import 'package:filcnaplo_desktop_ui/pages/grades/grades_count.dart';
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import 'package:filcnaplo_mobile_ui/pages/grades/graph.dart';
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import 'package:filcnaplo_desktop_ui/pages/grades/grade_subject_view.dart';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import 'package:filcnaplo/helpers/average_helper.dart';
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import 'package:filcnaplo_premium/ui/mobile/grades/average_selector.dart';
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import 'grades_page.i18n.dart';
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class GradesPage extends StatefulWidget {
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const GradesPage({Key? key}) : super(key: key);
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@override
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_GradesPageState createState() => _GradesPageState();
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}
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class _GradesPageState extends State<GradesPage> {
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late UserProvider user;
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late GradeProvider gradeProvider;
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late UpdateProvider updateProvider;
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late String firstName;
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late Widget yearlyGraph;
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List<Widget> subjectTiles = [];
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int avgDropValue = 0;
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List<Grade> getSubjectGrades(Subject subject, {int days = 0}) => gradeProvider.grades
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.where(
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(e) => e.subject == subject && e.type == GradeType.midYear && (days == 0 || e.date.isBefore(DateTime.now().subtract(Duration(days: days)))))
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.toList();
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void generateTiles() {
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List<Subject> subjects = gradeProvider.grades.map((e) => e.subject).toSet().toList()..sort((a, b) => a.name.compareTo(b.name));
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List<Widget> tiles = [];
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Map<Subject, double> subjectAvgs = {};
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tiles.addAll(subjects.map((subject) {
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List<Grade> subjectGrades = getSubjectGrades(subject);
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double avg = AverageHelper.averageEvals(subjectGrades);
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double averageBefore = 0.0;
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if (avgDropValue != 0) {
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List<Grade> gradesBefore = getSubjectGrades(subject, days: avgDropValue);
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averageBefore = avgDropValue == 0 ? 0.0 : AverageHelper.averageEvals(gradesBefore);
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}
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var nullavg = GroupAverage(average: 0.0, subject: subject, uid: "0");
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double groupAverage = gradeProvider.groupAverages.firstWhere((e) => e.subject == subject, orElse: () => nullavg).average;
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if (avg != 0) subjectAvgs[subject] = avg;
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return GradeSubjectTile(
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subject,
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averageBefore: averageBefore,
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average: avg,
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groupAverage: avgDropValue == 0 ? groupAverage : 0.0,
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onTap: () {
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GradeSubjectView(subject, groupAverage: groupAverage).push(context, root: true);
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},
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);
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}));
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if (tiles.isNotEmpty) {
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tiles.insert(0, yearlyGraph);
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tiles.insert(1, FailWarning(subjectAvgs: subjectAvgs));
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tiles.insert(2, PanelTitle(title: Text(avgDropValue == 0 ? "Subjects".i18n : "Subjects_changes".i18n)));
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tiles.insert(3, const PanelHeader(padding: EdgeInsets.only(top: 12.0)));
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tiles.add(const PanelFooter(padding: EdgeInsets.only(bottom: 12.0)));
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tiles.add(const Padding(padding: EdgeInsets.only(bottom: 24.0)));
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} else {
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tiles.insert(
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0,
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Padding(
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padding: const EdgeInsets.only(top: 24.0),
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child: Empty(subtitle: "empty".i18n),
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),
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);
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}
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double subjectAvg = subjectAvgs.isNotEmpty ? subjectAvgs.values.fold(0.0, (double a, double b) => a + b) / subjectAvgs.length : 0.0;
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final double classAvg = gradeProvider.groupAverages.isNotEmpty
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? gradeProvider.groupAverages.map((e) => e.average).fold(0.0, (double a, double b) => a + b) / gradeProvider.groupAverages.length
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: 0.0;
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if (subjectAvg > 0) {
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tiles.add(Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Expanded(
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child: StatisticsTile(
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fill: true,
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title: AutoSizeText(
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"subjectavg".i18n,
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textAlign: TextAlign.center,
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maxLines: 2,
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overflow: TextOverflow.ellipsis,
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),
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value: subjectAvg,
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),
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),
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const SizedBox(width: 24.0),
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Expanded(
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child: StatisticsTile(
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outline: true,
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title: AutoSizeText(
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"classavg".i18n,
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textAlign: TextAlign.center,
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maxLines: 2,
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wrapWords: false,
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overflow: TextOverflow.ellipsis,
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),
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value: classAvg,
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),
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),
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],
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));
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}
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// padding
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tiles.add(const SizedBox(height: 32.0));
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subjectTiles = List.castFrom(tiles);
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}
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@override
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Widget build(BuildContext context) {
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user = Provider.of<UserProvider>(context);
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gradeProvider = Provider.of<GradeProvider>(context);
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updateProvider = Provider.of<UpdateProvider>(context);
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List<String> nameParts = user.displayName?.split(" ") ?? ["?"];
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firstName = nameParts.length > 1 ? nameParts[1] : nameParts[0];
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final double totalClassAvg = gradeProvider.groupAverages.isEmpty
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? 0.0
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: gradeProvider.groupAverages.map((e) => e.average).fold(0.0, (double a, double b) => a + b) / gradeProvider.groupAverages.length;
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final now = gradeProvider.grades.isNotEmpty ? gradeProvider.grades.reduce((v, e) => e.date.isAfter(v.date) ? e : v).date : DateTime.now();
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final currentStudentAvg = AverageHelper.averageEvals(gradeProvider.grades.where((e) => e.type == GradeType.midYear).toList());
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final prevStudentAvg = AverageHelper.averageEvals(gradeProvider.grades
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.where((e) => e.type == GradeType.midYear)
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.where((e) => e.date.isBefore(now.subtract(const Duration(days: 30))))
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.toList());
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List<Grade> graphGrades = gradeProvider.grades
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.where((e) => e.type == GradeType.midYear && (avgDropValue == 0 || e.date.isAfter(DateTime.now().subtract(Duration(days: avgDropValue)))))
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.toList();
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yearlyGraph = Padding(
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padding: const EdgeInsets.only(top: 12.0, bottom: 8.0),
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child: Panel(
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title: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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PremiumAverageSelector(
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value: avgDropValue,
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onChanged: (value) {
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setState(() {
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avgDropValue = value!;
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});
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},
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),
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Row(
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children: [
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// if (totalClassAvg >= 1.0) AverageDisplay(average: totalClassAvg, border: true),
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// const SizedBox(width: 4.0),
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TrendDisplay(previous: prevStudentAvg, current: currentStudentAvg),
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if (gradeProvider.grades.where((e) => e.type == GradeType.midYear).isNotEmpty) AverageDisplay(average: currentStudentAvg),
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],
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)
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],
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),
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child: Container(
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padding: const EdgeInsets.only(top: 12.0, right: 12.0),
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child: Row(
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children: [
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Expanded(child: GradeGraph(graphGrades, dayThreshold: 2, classAvg: totalClassAvg)),
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Padding(
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padding: const EdgeInsets.only(bottom: 24.0),
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child: GradesCount(grades: graphGrades),
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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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generateTiles();
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return Scaffold(
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body: Padding(
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padding: const EdgeInsets.only(top: 9.0),
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child: NestedScrollView(
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physics: const BouncingScrollPhysics(parent: AlwaysScrollableScrollPhysics()),
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headerSliverBuilder: (context, _) => [
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SliverAppBar(
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centerTitle: false,
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pinned: true,
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floating: false,
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snap: false,
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automaticallyImplyLeading: false,
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surfaceTintColor: Theme.of(context).scaffoldBackgroundColor,
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title: Padding(
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padding: const EdgeInsets.only(left: 8.0),
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child: Text(
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"Grades".i18n,
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style: TextStyle(color: AppColors.of(context).text, fontSize: 32.0, fontWeight: FontWeight.bold),
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),
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),
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shadowColor: Theme.of(context).shadowColor,
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),
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],
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body: RefreshIndicator(
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onRefresh: () => gradeProvider.fetch(),
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color: Theme.of(context).colorScheme.secondary,
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child: ListView.builder(
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padding: EdgeInsets.zero,
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physics: const BouncingScrollPhysics(),
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itemCount: max(subjectTiles.length, 1),
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itemBuilder: (context, index) {
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if (subjectTiles.isNotEmpty) {
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EdgeInsetsGeometry panelPadding = const EdgeInsets.symmetric(horizontal: 24.0);
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if (subjectTiles[index].runtimeType == GradeSubjectTile) {
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return Padding(
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padding: panelPadding,
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child: PanelBody(
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child: subjectTiles[index],
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padding: const EdgeInsets.symmetric(horizontal: 8.0),
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));
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} else {
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return Padding(padding: panelPadding, child: subjectTiles[index]);
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}
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} else {
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return Container();
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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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}
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