Client/lib/view/pages/timetable/timetable.dart
2024-03-31 12:31:53 +02:00

392 lines
14 KiB
Dart

import 'dart:async';
import 'package:flutter/material.dart';
import '../../../extensions/dateTime.dart';
import 'package:provider/provider.dart';
import 'package:syncfusion_flutter_calendar/calendar.dart';
import '../../../api/webuntis/queries/getHolidays/getHolidaysResponse.dart';
import '../../../api/webuntis/queries/getRooms/getRoomsResponse.dart';
import '../../../api/webuntis/queries/getSubjects/getSubjectsResponse.dart';
import '../../../api/webuntis/queries/getTimetable/getTimetableResponse.dart';
import '../../../model/timetable/timetableProps.dart';
import '../../../storage/base/settingsProvider.dart';
import '../../../widget/loadingSpinner.dart';
import '../../../widget/placeholderView.dart';
import 'appointmenetComponent.dart';
import 'appointmentDetails.dart';
import 'arbitraryAppointment.dart';
import 'customTimetableColors.dart';
import 'customTimetableEventEditDialog.dart';
import 'timeRegionComponent.dart';
import 'timetableEvents.dart';
import 'viewCustomTimetableEvents.dart';
class Timetable extends StatefulWidget {
const Timetable({super.key});
@override
State<Timetable> createState() => _TimetableState();
}
enum CalendarActions { addEvent, viewEvents }
class _TimetableState extends State<Timetable> {
CalendarController controller = CalendarController();
late Timer updateTimings;
late final SettingsProvider settings;
@override
void initState() {
settings = Provider.of<SettingsProvider>(context, listen: false);
WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
Provider.of<TimetableProps>(context, listen: false).run();
});
controller.displayDate = DateTime.now().add(const Duration(days: 2));
updateTimings = Timer.periodic(const Duration(seconds: 30), (Timer t) => setState((){}));
super.initState();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Stunden & Vertretungsplan'),
actions: [
IconButton(
icon: const Icon(Icons.home_outlined),
onPressed: () {
controller.displayDate = DateTime.now().add(const Duration(days: 2));
}
),
PopupMenuButton<CalendarActions>(
icon: const Icon(Icons.edit_calendar_outlined),
itemBuilder: (context) {
return CalendarActions.values.map(
(e) {
String title;
Icon icon;
switch(e) {
case CalendarActions.addEvent:
title = 'Kalendereintrag hinzufügen';
icon = const Icon(Icons.add);
case CalendarActions.viewEvents:
default:
title = 'Kalendereinträge anzeigen';
icon = const Icon(Icons.perm_contact_calendar_outlined);
}
return PopupMenuItem<CalendarActions>(
value: e,
child: ListTile(
title: Text(title),
leading: icon,
)
);
}
).toList();
},
onSelected: (value) {
switch(value) {
case CalendarActions.addEvent:
showDialog(
context: context,
builder: (context) => const CustomTimetableEventEditDialog(),
barrierDismissible: false,
);
case CalendarActions.viewEvents:
Navigator.of(context).push(MaterialPageRoute(builder: (context) => const ViewCustomTimetableEvents()));
}
},
)
],
),
body: Consumer<TimetableProps>(
builder: (context, value, child) {
if(value.hasError) {
return PlaceholderView(
icon: Icons.calendar_month,
text: 'Webuntis error: ${value.error.toString()}',
button: TextButton(
child: const Text('Neu laden'),
onPressed: () {
controller.displayDate = DateTime.now().add(const Duration(days: 2));
Provider.of<TimetableProps>(context, listen: false).resetWeek();
},
),
);
}
if(value.primaryLoading()) return const LoadingSpinner();
GetHolidaysResponse holidays = value.getHolidaysResponse;
return RefreshIndicator(
child: SfCalendar(
view: CalendarView.workWeek,
dataSource: _buildTableEvents(value),
maxDate: DateTime.now().add(const Duration(days: 7)).nextWeekday(DateTime.saturday),
minDate: DateTime.now().subtract(const Duration (days: 14)).nextWeekday(DateTime.sunday),
controller: controller,
onViewChanged: (ViewChangedDetails details) {
WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
Provider.of<TimetableProps>(context, listen: false).updateWeek(details.visibleDates.first, details.visibleDates.last);
});
},
onTap: (calendarTapDetails) {
if(calendarTapDetails.appointments == null) return;
Appointment tapped = calendarTapDetails.appointments!.first;
AppointmentDetails.show(context, value, tapped);
},
firstDayOfWeek: DateTime.monday,
specialRegions: _buildSpecialTimeRegions(holidays),
timeSlotViewSettings: const TimeSlotViewSettings(
startHour: 07.5,
endHour: 16.5,
timeInterval: Duration(minutes: 30),
timeFormat: 'HH:mm',
dayFormat: 'EE',
timeIntervalHeight: 40,
),
timeRegionBuilder: (BuildContext context, TimeRegionDetails timeRegionDetails) => TimeRegionComponent(details: timeRegionDetails),
appointmentBuilder: (BuildContext context, CalendarAppointmentDetails details) => AppointmentComponent(
details: details,
crossedOut: _isCrossedOut(details)
),
headerHeight: 0,
selectionDecoration: const BoxDecoration(),
allowAppointmentResize: false,
allowDragAndDrop: false,
allowViewNavigation: false,
),
onRefresh: () async {
Provider.of<TimetableProps>(context, listen: false).run(renew: true);
return Future.delayed(const Duration(seconds: 3));
}
);
},
),
);
}
@override
void dispose() {
updateTimings.cancel();
super.dispose();
}
List<TimeRegion> _buildSpecialTimeRegions(GetHolidaysResponse holidays) {
DateTime lastMonday = DateTime.now().subtract(const Duration(days: 14)).nextWeekday(DateTime.monday);
DateTime firstBreak = lastMonday.copyWith(hour: 10, minute: 15);
DateTime secondBreak = lastMonday.copyWith(hour: 13, minute: 50);
Iterable<TimeRegion> holidayList = holidays.result.map((holiday) {
DateTime startDay = _parseWebuntisTimestamp(holiday.startDate, 0);
int dayCount = _parseWebuntisTimestamp(holiday.endDate, 0)
.difference(startDay)
.inDays;
List<DateTime> days = List.generate(dayCount, (index) => startDay.add(Duration(days: index)));
return days.map((holidayDay) {
return TimeRegion(
startTime: holidayDay.copyWith(hour: 07, minute: 55),
endTime: holidayDay.copyWith(hour: 16, minute: 30),
text: 'holiday:${holiday.name}',
color: Theme
.of(context)
.disabledColor
.withAlpha(50),
iconData: Icons.holiday_village_outlined
);
});
}).expand((e) => e);
bool isInHoliday(DateTime time) {
return holidayList.any((element) => element.startTime.isSameDay(time));
}
return [
...holidayList,
if(!isInHoliday(firstBreak))
TimeRegion(
startTime: firstBreak,
endTime: firstBreak.add(const Duration(minutes: 20)),
recurrenceRule: 'FREQ=DAILY;INTERVAL=1',
text: 'centerIcon',
color: Theme.of(context).primaryColor.withAlpha(50),
iconData: Icons.restaurant
),
if(!isInHoliday(secondBreak))
TimeRegion(
startTime: secondBreak,
endTime: secondBreak.add(const Duration(minutes: 15)),
recurrenceRule: 'FREQ=DAILY;INTERVAL=1',
text: 'centerIcon',
color: Theme.of(context).primaryColor.withAlpha(50),
iconData: Icons.restaurant
),
];
}
List<GetTimetableResponseObject> _removeDuplicates(TimetableProps data, Duration maxTimeBetweenDouble) {
List<GetTimetableResponseObject> timetableList = data.getTimetableResponse.result.toList();
if(timetableList.isEmpty) return timetableList;
timetableList.sort((a, b) => _parseWebuntisTimestamp(a.date, a.startTime).compareTo(_parseWebuntisTimestamp(b.date, b.startTime)));
GetTimetableResponseObject previousElement = timetableList.first;
for(var i = 1; i < timetableList.length; i++) {
GetTimetableResponseObject currentElement = timetableList.elementAt(i);
bool isSameLesson() {
int? currentSubjectId = currentElement.su.firstOrNull?.id;
int? previousSubjectId = previousElement.su.firstOrNull?.id;
if(currentSubjectId == null || previousSubjectId == null || currentSubjectId != previousSubjectId) return false;
int? currentRoomId = currentElement.ro.firstOrNull?.id;
int? previousRoomId = previousElement.ro.firstOrNull?.id;
if(currentRoomId != previousRoomId) return false;
int? currentTeacherId = currentElement.te.firstOrNull?.id;
int? previousTeacherId = previousElement.te.firstOrNull?.id;
if(currentTeacherId != previousTeacherId) return false;
String? currentStatusCode = currentElement.code;
String? previousStatusCode = previousElement.code;
if(currentStatusCode != previousStatusCode) return false;
return true;
}
bool isNotSeparated() => _parseWebuntisTimestamp(previousElement.date, previousElement.endTime).add(maxTimeBetweenDouble)
.isSameOrAfter(_parseWebuntisTimestamp(currentElement.date, currentElement.startTime));
if(isSameLesson() && isNotSeparated()) {
previousElement.endTime = currentElement.endTime;
timetableList.remove(currentElement);
i--;
} else {
previousElement = currentElement;
}
}
return timetableList;
}
TimetableEvents _buildTableEvents(TimetableProps data) {
List<GetTimetableResponseObject> timetableList = data.getTimetableResponse.result.toList();
if(settings.val().timetableSettings.connectDoubleLessons) {
timetableList = _removeDuplicates(data, const Duration(minutes: 5));
}
List<Appointment> appointments = timetableList.map((element) {
GetRoomsResponse rooms = data.getRoomsResponse;
GetSubjectsResponse subjects = data.getSubjectsResponse;
try {
DateTime startTime = _parseWebuntisTimestamp(element.date, element.startTime);
DateTime endTime = _parseWebuntisTimestamp(element.date, element.endTime);
return Appointment(
id: ArbitraryAppointment(webuntis: element),
startTime: startTime,
endTime: endTime,
subject: subjects.result.firstWhere((subject) => subject.id == element.su[0].id).name,
location: ''
'${rooms.result.firstWhere((room) => room.id == element.ro[0].id).name}'
'\n'
'${element.te.first.longname}',
notes: element.activityType,
color: _getEventColor(element, startTime, endTime),
);
} catch(e) {
DateTime endTime = _parseWebuntisTimestamp(element.date, element.endTime);
return Appointment(
id: ArbitraryAppointment(webuntis: element),
startTime: _parseWebuntisTimestamp(element.date, element.startTime),
endTime: endTime,
subject: 'Änderung',
notes: element.info,
location: 'Unbekannt',
color: endTime.isBefore(DateTime.now()) ? Theme.of(context).primaryColor.withAlpha(100) : Theme.of(context).primaryColor,
startTimeZone: '',
endTimeZone: '',
);
}
}).toList();
appointments.addAll(data.getCustomTimetableEventResponse.events.map((customEvent) {
return Appointment(
id: ArbitraryAppointment(custom: customEvent),
startTime: customEvent.startDate,
endTime: customEvent.endDate,
location: customEvent.description,
subject: customEvent.title,
recurrenceRule: customEvent.rrule,
color: TimetableColors.getColorFromString(customEvent.color ?? TimetableColors.defaultColor.name),
startTimeZone: '',
endTimeZone: '',
);
}));
return TimetableEvents(appointments);
}
DateTime _parseWebuntisTimestamp(int date, int time) {
String timeString = time.toString().padLeft(4, '0');
return DateTime.parse('$date ${timeString.substring(0, 2)}:${timeString.substring(2, 4)}');
}
Color _getEventColor(GetTimetableResponseObject webuntisElement, DateTime startTime, DateTime endTime) {
// Make element darker, when it already took place
int alpha = endTime.isBefore(DateTime.now()) ? 100 : 255;
// Cancelled
if(webuntisElement.code == 'cancelled') return const Color(0xff000000).withAlpha(alpha);
// Any changes or no teacher at this element
if(webuntisElement.code == 'irregular' || webuntisElement.te.first.id == 0) return const Color(0xff8F19B3).withAlpha(alpha);
// Event was in the past
if(endTime.isBefore(DateTime.now())) return Theme.of(context).primaryColor.withAlpha(alpha);
// Event takes currently place
if(endTime.isAfter(DateTime.now()) && startTime.isBefore(DateTime.now())) return Theme.of(context).primaryColor.withRed(200);
// Fallback
return Theme.of(context).primaryColor.withAlpha(alpha);
}
bool _isCrossedOut(CalendarAppointmentDetails calendarEntry) {
ArbitraryAppointment appointment = calendarEntry.appointments.first.id as ArbitraryAppointment;
if(appointment.hasWebuntis()) {
return appointment.webuntis!.code == 'cancelled';
}
return false;
}
}