Client/lib/view/pages/timetable/timetable.dart

292 lines
10 KiB
Dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:marianum_mobile/extensions/dateTime.dart';
import 'package:marianum_mobile/view/pages/timetable/addCustomTimetableEventDialog.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 'timeRegionComponent.dart';
import 'timetableEvents.dart';
class Timetable extends StatefulWidget {
const Timetable({super.key});
@override
State<Timetable> createState() => _TimetableState();
}
class _TimetableState extends State<Timetable> {
CalendarController controller = CalendarController();
late Timer updateTimings;
double elementScale = 40;
double baseElementScale = 40;
late final SettingsProvider settings;
@override
void initState() {
settings = Provider.of<SettingsProvider>(context, listen: false);
elementScale = baseElementScale = settings.val().timetableSettings.zoom;
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));
}
),
IconButton(
icon: const Icon(Icons.add_card_outlined),
onPressed: () {
showDialog(context: context, builder: (context) => const AddCustomTimetableEventDialog());
},
),
],
),
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 GestureDetector(
onScaleStart: (details) => baseElementScale = elementScale,
onScaleUpdate: (details) {
setState(() {
elementScale = (baseElementScale * details.scale).clamp(40, 80);
});
},
onScaleEnd: (details) {
settings.val(write: true).timetableSettings.zoom = elementScale;
},
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: TimeSlotViewSettings(
startHour: 07.5,
endHour: 16.5,
timeInterval: const Duration(minutes: 30),
timeFormat: "HH:mm",
dayFormat: "EE",
timeIntervalHeight: elementScale,
),
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,
),
);
},
),
);
}
@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
),
];
}
TimetableEvents _buildTableEvents(TimetableProps data) {
List<Appointment> appointments = data.getTimetableResponse.result.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: 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: 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();
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) {
GetTimetableResponseObject webuntisElement = (calendarEntry.appointments.first.id as GetTimetableResponseObject);
return webuntisElement.code == "cancelled";
}
}