2024-06-11 20:22:53 +02:00

315 lines
11 KiB
Dart

import 'dart:math';
import 'package:auto_size_text/auto_size_text.dart';
import 'package:refilc/api/providers/update_provider.dart';
import 'package:refilc_kreta_api/providers/grade_provider.dart';
import 'package:refilc/api/providers/user_provider.dart';
import 'package:refilc/theme/colors/colors.dart';
import 'package:refilc_kreta_api/models/grade.dart';
import 'package:refilc_kreta_api/models/subject.dart';
import 'package:refilc_kreta_api/models/group_average.dart';
import 'package:refilc_mobile_ui/common/average_display.dart';
import 'package:refilc_mobile_ui/common/empty.dart';
import 'package:refilc_mobile_ui/common/panel/panel.dart';
import 'package:refilc_mobile_ui/common/widgets/statistics_tile.dart';
import 'package:refilc_mobile_ui/common/widgets/grade/grade_subject_tile.dart';
import 'package:refilc_mobile_ui/common/trend_display.dart';
import 'package:refilc_mobile_ui/pages/grades/fail_warning.dart';
import 'package:refilc_desktop_ui/pages/grades/grades_count.dart';
import 'package:refilc_mobile_ui/pages/grades/graph.dart';
import 'package:refilc_desktop_ui/pages/grades/grade_subject_view.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:refilc/helpers/average_helper.dart';
import 'package:refilc_mobile_ui/pages/grades/average_selector.dart';
import 'grades_page.i18n.dart';
class GradesPage extends StatefulWidget {
const GradesPage({super.key});
@override
GradesPageState createState() => GradesPageState();
}
class GradesPageState extends State<GradesPage> {
late UserProvider user;
late GradeProvider gradeProvider;
late UpdateProvider updateProvider;
late String firstName;
late Widget yearlyGraph;
List<Widget> subjectTiles = [];
int avgDropValue = 0;
List<Grade> getSubjectGrades(GradeSubject subject, {int days = 0}) =>
gradeProvider.grades
.where((e) =>
e.subject == subject &&
e.type == GradeType.midYear &&
(days == 0 ||
e.date
.isBefore(DateTime.now().subtract(Duration(days: days)))))
.toList();
void generateTiles() {
List<GradeSubject> subjects = gradeProvider.grades
.map((e) => e.subject)
.toSet()
.toList()
..sort((a, b) => a.name.compareTo(b.name));
List<Widget> tiles = [];
Map<GradeSubject, double> subjectAvgs = {};
tiles.addAll(subjects.map((subject) {
List<Grade> subjectGrades = getSubjectGrades(subject);
double avg = AverageHelper.averageEvals(subjectGrades);
double averageBefore = 0.0;
if (avgDropValue != 0) {
List<Grade> gradesBefore =
getSubjectGrades(subject, days: avgDropValue);
averageBefore =
avgDropValue == 0 ? 0.0 : AverageHelper.averageEvals(gradesBefore);
}
var nullavg = GroupAverage(average: 0.0, subject: subject, uid: "0");
double groupAverage = gradeProvider.groupAverages
.firstWhere((e) => e.subject == subject, orElse: () => nullavg)
.average;
if (avg != 0) subjectAvgs[subject] = avg;
return GradeSubjectTile(
subject,
averageBefore: averageBefore,
average: avg,
groupAverage: avgDropValue == 0 ? groupAverage : 0.0,
onTap: () {
GradeSubjectView(subject, groupAverage: groupAverage)
.push(context, root: true);
},
);
}));
if (tiles.isNotEmpty) {
tiles.insert(0, yearlyGraph);
tiles.insert(1, FailWarning(subjectAvgs: subjectAvgs));
tiles.insert(
2,
PanelTitle(
title: Text(avgDropValue == 0
? "Subjects".i18n
: "Subjects_changes".i18n)));
tiles.insert(3, const PanelHeader(padding: EdgeInsets.only(top: 12.0)));
tiles.add(const PanelFooter(padding: EdgeInsets.only(bottom: 12.0)));
tiles.add(const Padding(padding: EdgeInsets.only(bottom: 24.0)));
} else {
tiles.insert(
0,
Padding(
padding: const EdgeInsets.only(top: 24.0),
child: Empty(subtitle: "empty".i18n),
),
);
}
double subjectAvg = subjectAvgs.isNotEmpty
? subjectAvgs.values.fold(0.0, (double a, double b) => a + b) /
subjectAvgs.length
: 0.0;
final double classAvg = gradeProvider.groupAverages.isNotEmpty
? gradeProvider.groupAverages
.map((e) => e.average)
.fold(0.0, (double a, double b) => a + b) /
gradeProvider.groupAverages.length
: 0.0;
if (subjectAvg > 0) {
tiles.add(Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Expanded(
child: StatisticsTile(
fill: true,
title: AutoSizeText(
"subjectavg".i18n,
textAlign: TextAlign.center,
maxLines: 2,
overflow: TextOverflow.ellipsis,
),
value: subjectAvg,
),
),
const SizedBox(width: 24.0),
Expanded(
child: StatisticsTile(
outline: true,
title: AutoSizeText(
// https://discord.com/channels/1111649116020285532/1153397476578050130
"classavg".i18n,
textAlign: TextAlign.center,
maxLines: 2,
wrapWords: false,
overflow: TextOverflow.ellipsis,
),
value: classAvg,
),
),
],
));
}
// padding
tiles.add(const SizedBox(height: 32.0));
subjectTiles = List.castFrom(tiles);
}
@override
Widget build(BuildContext context) {
user = Provider.of<UserProvider>(context);
gradeProvider = Provider.of<GradeProvider>(context);
updateProvider = Provider.of<UpdateProvider>(context);
List<String> nameParts = user.displayName?.split(" ") ?? ["?"];
firstName = nameParts.length > 1 ? nameParts[1] : nameParts[0];
final double totalClassAvg = gradeProvider.groupAverages.isEmpty
? 0.0
: gradeProvider.groupAverages
.map((e) => e.average)
.fold(0.0, (double a, double b) => a + b) /
gradeProvider.groupAverages.length;
final now = gradeProvider.grades.isNotEmpty
? gradeProvider.grades
.reduce((v, e) => e.date.isAfter(v.date) ? e : v)
.date
: DateTime.now();
final currentStudentAvg = AverageHelper.averageEvals(gradeProvider.grades
.where((e) => e.type == GradeType.midYear)
.toList());
final prevStudentAvg = AverageHelper.averageEvals(gradeProvider.grades
.where((e) => e.type == GradeType.midYear)
.where((e) => e.date.isBefore(now.subtract(const Duration(days: 30))))
.toList());
List<Grade> graphGrades = gradeProvider.grades
.where((e) =>
e.type == GradeType.midYear &&
(avgDropValue == 0 ||
e.date.isAfter(
DateTime.now().subtract(Duration(days: avgDropValue)))))
.toList();
yearlyGraph = Padding(
padding: const EdgeInsets.only(top: 12.0, bottom: 8.0),
child: Panel(
title: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
AverageSelector(
value: avgDropValue,
onChanged: (value) {
setState(() {
avgDropValue = value!;
});
},
),
Row(
children: [
// if (totalClassAvg >= 1.0) AverageDisplay(average: totalClassAvg, border: true),
// const SizedBox(width: 4.0),
TrendDisplay(
previous: prevStudentAvg, current: currentStudentAvg),
if (gradeProvider.grades
.where((e) => e.type == GradeType.midYear)
.isNotEmpty)
AverageDisplay(average: currentStudentAvg),
],
)
],
),
child: Container(
padding: const EdgeInsets.only(top: 12.0, right: 12.0),
child: Row(
children: [
Expanded(
child: GradeGraph(graphGrades,
dayThreshold: 2, classAvg: totalClassAvg)),
Padding(
padding: const EdgeInsets.only(bottom: 24.0),
child: GradesCount(grades: graphGrades),
),
],
),
),
),
);
generateTiles();
return Scaffold(
body: Padding(
padding: const EdgeInsets.only(top: 9.0),
child: NestedScrollView(
physics: const BouncingScrollPhysics(
parent: AlwaysScrollableScrollPhysics()),
headerSliverBuilder: (context, _) => [
SliverAppBar(
centerTitle: false,
pinned: true,
floating: false,
snap: false,
automaticallyImplyLeading: false,
surfaceTintColor: Theme.of(context).scaffoldBackgroundColor,
title: Padding(
padding: const EdgeInsets.only(left: 8.0),
child: Text(
"page_title_grades".i18n,
style: TextStyle(
color: AppColors.of(context).text,
fontSize: 32.0,
fontWeight: FontWeight.bold),
),
),
shadowColor: Theme.of(context).shadowColor,
),
],
body: RefreshIndicator(
onRefresh: () => gradeProvider.fetch(),
color: Theme.of(context).colorScheme.secondary,
child: ListView.builder(
padding: EdgeInsets.zero,
physics: const BouncingScrollPhysics(),
itemCount: max(subjectTiles.length, 1),
itemBuilder: (context, index) {
if (subjectTiles.isNotEmpty) {
EdgeInsetsGeometry panelPadding =
const EdgeInsets.symmetric(horizontal: 24.0);
if (subjectTiles[index].runtimeType == GradeSubjectTile) {
return Padding(
padding: panelPadding,
child: PanelBody(
padding: const EdgeInsets.symmetric(horizontal: 8.0),
child: subjectTiles[index],
));
} else {
return Padding(
padding: panelPadding, child: subjectTiles[index]);
}
} else {
return Container();
}
},
),
),
),
),
);
}
}