igen
This commit is contained in:
Márton Kiss
@@ -1,217 +1,217 @@
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// ignore_for_file: avoid_print
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import 'dart:async';
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import 'dart:developer';
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import 'dart:math' as math;
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import 'package:filcnaplo_kreta_api/providers/homework_provider.dart';
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import 'package:filcnaplo_kreta_api/providers/timetable_provider.dart';
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import 'package:filcnaplo_kreta_api/models/lesson.dart';
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import 'package:filcnaplo_kreta_api/models/week.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/widgets.dart';
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import 'package:provider/provider.dart';
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enum LoadType { initial, offline, loading, online }
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class TimetableController extends ChangeNotifier {
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late Week currentWeek;
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int currentWeekId = -1;
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late int previousWeekId;
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List<List<Lesson>>? days;
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LoadType loadType = LoadType.initial;
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TimetableController() {
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current();
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}
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static int getWeekId(Week week) => (week.start.difference(getSchoolYearStart()).inDays / DateTime.daysPerWeek).ceil();
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static DateTime getSchoolYearStart() {
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DateTime now = DateTime.now();
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DateTime nowStart = _getYearStart(now.year);
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if (nowStart.isBefore(now)) {
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return nowStart;
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} else {
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return _getYearStart(now.year - 1);
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}
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}
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static DateTime _getYearStart(int year) {
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var s1 = DateTime(year, DateTime.september, 1);
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if (s1.weekday == 6) {
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s1.add(const Duration(days: 2));
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} else if (s1.weekday == 7) {
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s1.add(const Duration(days: 1));
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}
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return s1;
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}
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// Jump shortcuts
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Future<void> next(BuildContext context) => jump(Week.fromId(currentWeekId + 1), context: context);
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Future<void> previous(BuildContext context) => jump(Week.fromId(currentWeekId - 1), context: context);
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void current() {
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Week week = Week.current();
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int id = getWeekId(week);
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if (id > 51) id = 51;
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if (id < 0) id = 0;
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_setWeek(Week.fromId(id));
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}
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Future<void> jump(Week week, {required BuildContext context, bool initial = false, bool skip = false, bool loader = true}) async {
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if (_setWeek(week)) return;
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loadType = LoadType.initial;
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if (loader) {
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days = null;
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// Don't start loading on init
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if (!initial) notifyListeners();
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}
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days = _sortDays(week, context: context);
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if (week != currentWeek) return;
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loadType = LoadType.loading;
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notifyListeners();
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try {
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await _fetchWeek(week, context: context).timeout(const Duration(seconds: 5), onTimeout: (() => throw "timeout"));
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loadType = LoadType.online;
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} catch (error, stack) {
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print("ERROR: TimetableController.jump: $error\n$stack");
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loadType = LoadType.offline;
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}
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if (week != currentWeek) return;
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days = _sortDays(week, context: context);
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if (week != currentWeek) return;
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// Jump to next week on weekends
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if (skip && (days?.length ?? 0) > 0 && days!.last.last.end.isBefore(DateTime.now())) return next(context);
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notifyListeners();
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}
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bool _setWeek(Week week) {
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int id = getWeekId(week);
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if (id > 51) return true; // Max 52.
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if (id < 0) return true; // Min 1.
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// Set week start to Sept. 1 of first week
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if (!_differentDate(week.start, Week.fromId(0).start)) week.start = TimetableController.getSchoolYearStart();
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currentWeek = week;
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previousWeekId = currentWeekId;
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currentWeekId = id;
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return false;
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}
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Future<void> _fetchWeek(Week week, {required BuildContext context}) async {
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await Future.wait([
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context.read<TimetableProvider>().fetch(week: week),
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context.read<HomeworkProvider>().fetch(from: week.start, db: false),
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]);
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}
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List<List<Lesson>> _sortDays(Week week, {required BuildContext context}) {
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List<List<Lesson>> days = [];
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final timetableProvider = context.read<TimetableProvider>();
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try {
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List<Lesson> lessons = timetableProvider.getWeek(week) ?? [];
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if (lessons.isNotEmpty) {
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days.add([]);
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lessons.sort((a, b) => a.date.compareTo(b.date));
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for (var lesson in lessons) {
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if (days.last.isNotEmpty && _differentDate(lesson.date, days.last.last.date)) days.add([]);
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days.last.add(lesson);
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}
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for (int i = 0; i < days.length; i++) {
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List<Lesson> _day = List.castFrom(days[i]);
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List<int> lessonIndexes = _getIndexes(_day);
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int minIndex = 0, maxIndex = 0;
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if (lessonIndexes.isNotEmpty) {
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minIndex = lessonIndexes.reduce(math.min);
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maxIndex = lessonIndexes.reduce(math.max);
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}
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List<Lesson> day = [];
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if (lessonIndexes.isNotEmpty) {
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// Fill missing indexes with empty spaces
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for (var i in List<int>.generate(maxIndex - minIndex + 1, (int i) => minIndex + i)) {
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List<Lesson> indexLessons = _getLessonsByIndex(_day, i);
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// Empty lesson
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if (indexLessons.isEmpty) {
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// Get start date by previous lesson
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List<Lesson> prevLesson = _getLessonsByIndex(day, i - 1);
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try {
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DateTime? startDate = prevLesson.last.start.add(const Duration(seconds: 1));
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indexLessons.add(Lesson.fromJson({'isEmpty': true, 'Oraszam': i, 'KezdetIdopont': startDate.toIso8601String()}));
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// ignore: empty_catches
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} catch (e) {}
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}
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day.addAll(indexLessons);
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}
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}
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// Additional lessons
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day.addAll(_day.where((l) => int.tryParse(l.lessonIndex) == null && l.subject.id != ''));
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day.sort((a, b) => a.start.compareTo(b.start));
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// Special Dates
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for (var l in _day) {
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l.subject.id == '' ? day.insert(0, l) : null;
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}
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days[i] = day;
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}
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}
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} catch (e) {
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log("_sortDays error: $e");
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}
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return days;
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}
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List<Lesson> _getLessonsByIndex(List<Lesson> lessons, int index) {
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List<Lesson> ret = [];
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for (var lesson in lessons) {
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int? lessonIndex = int.tryParse(lesson.lessonIndex);
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if (lessonIndex != null && lessonIndex == index) {
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ret.add(lesson);
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}
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}
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return ret;
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}
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List<int> _getIndexes(List<Lesson> lessons) {
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List<int> indexes = [];
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for (var l in lessons) {
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int? index = int.tryParse(l.lessonIndex);
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if (index != null) indexes.add(index);
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}
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return indexes;
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}
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bool _differentDate(DateTime a, DateTime b) => !(a.year == b.year && a.month == b.month && a.day == b.day);
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}
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// ignore_for_file: avoid_print
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import 'dart:async';
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import 'dart:developer';
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import 'dart:math' as math;
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import 'package:filcnaplo_kreta_api/providers/homework_provider.dart';
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import 'package:filcnaplo_kreta_api/providers/timetable_provider.dart';
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import 'package:filcnaplo_kreta_api/models/lesson.dart';
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import 'package:filcnaplo_kreta_api/models/week.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/widgets.dart';
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import 'package:provider/provider.dart';
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enum LoadType { initial, offline, loading, online }
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class TimetableController extends ChangeNotifier {
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late Week currentWeek;
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int currentWeekId = -1;
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late int previousWeekId;
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List<List<Lesson>>? days;
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LoadType loadType = LoadType.initial;
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TimetableController() {
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current();
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}
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static int getWeekId(Week week) => (week.start.difference(getSchoolYearStart()).inDays / DateTime.daysPerWeek).ceil();
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static DateTime getSchoolYearStart() {
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DateTime now = DateTime.now();
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DateTime nowStart = _getYearStart(now.year);
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if (nowStart.isBefore(now)) {
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return nowStart;
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} else {
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return _getYearStart(now.year - 1);
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}
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}
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static DateTime _getYearStart(int year) {
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var s1 = DateTime(year, DateTime.september, 1);
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if (s1.weekday == 6) {
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s1.add(const Duration(days: 2));
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} else if (s1.weekday == 7) {
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s1.add(const Duration(days: 1));
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}
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return s1;
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}
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// Jump shortcuts
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Future<void> next(BuildContext context) => jump(Week.fromId(currentWeekId + 1), context: context);
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Future<void> previous(BuildContext context) => jump(Week.fromId(currentWeekId - 1), context: context);
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void current() {
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Week week = Week.current();
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int id = getWeekId(week);
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if (id > 51) id = 51;
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if (id < 0) id = 0;
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_setWeek(Week.fromId(id));
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}
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Future<void> jump(Week week, {required BuildContext context, bool initial = false, bool skip = false, bool loader = true}) async {
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if (_setWeek(week)) return;
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loadType = LoadType.initial;
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if (loader) {
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days = null;
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// Don't start loading on init
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if (!initial) notifyListeners();
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}
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days = _sortDays(week, context: context);
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if (week != currentWeek) return;
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loadType = LoadType.loading;
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notifyListeners();
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try {
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await _fetchWeek(week, context: context).timeout(const Duration(seconds: 5), onTimeout: (() => throw "timeout"));
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loadType = LoadType.online;
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} catch (error, stack) {
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print("ERROR: TimetableController.jump: $error\n$stack");
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loadType = LoadType.offline;
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}
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if (week != currentWeek) return;
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days = _sortDays(week, context: context);
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if (week != currentWeek) return;
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// Jump to next week on weekends
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if (skip && (days?.length ?? 0) > 0 && days!.last.last.end.isBefore(DateTime.now())) return next(context);
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notifyListeners();
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}
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bool _setWeek(Week week) {
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int id = getWeekId(week);
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if (id > 51) return true; // Max 52.
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if (id < 0) return true; // Min 1.
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// Set week start to Sept. 1 of first week
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if (!_differentDate(week.start, Week.fromId(0).start)) week.start = TimetableController.getSchoolYearStart();
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currentWeek = week;
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previousWeekId = currentWeekId;
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currentWeekId = id;
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return false;
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}
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Future<void> _fetchWeek(Week week, {required BuildContext context}) async {
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await Future.wait([
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context.read<TimetableProvider>().fetch(week: week),
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context.read<HomeworkProvider>().fetch(from: week.start, db: false),
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]);
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}
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List<List<Lesson>> _sortDays(Week week, {required BuildContext context}) {
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List<List<Lesson>> days = [];
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final timetableProvider = context.read<TimetableProvider>();
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try {
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List<Lesson> lessons = timetableProvider.getWeek(week) ?? [];
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if (lessons.isNotEmpty) {
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days.add([]);
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lessons.sort((a, b) => a.date.compareTo(b.date));
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for (var lesson in lessons) {
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if (days.last.isNotEmpty && _differentDate(lesson.date, days.last.last.date)) days.add([]);
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days.last.add(lesson);
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}
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for (int i = 0; i < days.length; i++) {
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List<Lesson> _day = List.castFrom(days[i]);
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List<int> lessonIndexes = _getIndexes(_day);
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int minIndex = 0, maxIndex = 0;
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if (lessonIndexes.isNotEmpty) {
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minIndex = lessonIndexes.reduce(math.min);
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maxIndex = lessonIndexes.reduce(math.max);
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}
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List<Lesson> day = [];
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if (lessonIndexes.isNotEmpty) {
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// Fill missing indexes with empty spaces
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for (var i in List<int>.generate(maxIndex - minIndex + 1, (int i) => minIndex + i)) {
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List<Lesson> indexLessons = _getLessonsByIndex(_day, i);
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// Empty lesson
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if (indexLessons.isEmpty) {
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// Get start date by previous lesson
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List<Lesson> prevLesson = _getLessonsByIndex(day, i - 1);
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try {
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DateTime? startDate = prevLesson.last.start.add(const Duration(seconds: 1));
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indexLessons.add(Lesson.fromJson({'isEmpty': true, 'Oraszam': i, 'KezdetIdopont': startDate.toIso8601String()}));
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// ignore: empty_catches
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} catch (e) {}
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}
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day.addAll(indexLessons);
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}
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}
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// Additional lessons
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day.addAll(_day.where((l) => int.tryParse(l.lessonIndex) == null && l.subject.id != ''));
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day.sort((a, b) => a.start.compareTo(b.start));
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// Special Dates
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for (var l in _day) {
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l.subject.id == '' ? day.insert(0, l) : null;
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}
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days[i] = day;
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}
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}
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} catch (e) {
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log("_sortDays error: $e");
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}
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return days;
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}
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List<Lesson> _getLessonsByIndex(List<Lesson> lessons, int index) {
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List<Lesson> ret = [];
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for (var lesson in lessons) {
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int? lessonIndex = int.tryParse(lesson.lessonIndex);
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if (lessonIndex != null && lessonIndex == index) {
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ret.add(lesson);
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}
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}
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return ret;
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}
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List<int> _getIndexes(List<Lesson> lessons) {
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List<int> indexes = [];
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for (var l in lessons) {
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int? index = int.tryParse(l.lessonIndex);
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if (index != null) indexes.add(index);
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}
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return indexes;
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}
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bool _differentDate(DateTime a, DateTime b) => !(a.year == b.year && a.month == b.month && a.day == b.day);
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}
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