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Client/lib/view/pages/timetable/data/lesson_period_schedule.dart
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2026-05-05 13:49:45 +02:00

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3.7 KiB
Dart

import 'package:flutter/material.dart';
import '../../../../api/webuntis/queries/getTimegridUnits/getTimegridUnitsResponse.dart';
import '../../../../state/app/modules/timetable/bloc/timetable_state.dart';
class LessonPeriod {
final String name;
final TimeOfDay start;
final TimeOfDay end;
final bool isBreak;
const LessonPeriod({
required this.name,
required this.start,
required this.end,
this.isBreak = false,
});
Duration get duration => Duration(
minutes: (end.hour * 60 + end.minute) - (start.hour * 60 + start.minute),
);
int get _startMinutes => start.hour * 60 + start.minute;
}
class LessonPeriodSchedule {
final List<LessonPeriod> periods;
const LessonPeriodSchedule(this.periods);
static LessonPeriodSchedule? fromApi(GetTimegridUnitsResponse response) {
final canonical = response.result.firstWhere(
(d) => d.day == 1,
orElse: () => response.result.isNotEmpty ? response.result.first : GetTimegridUnitsResponseDay(0, []),
);
if (canonical.timeUnits.isEmpty) return null;
final periods = canonical.timeUnits
.map((u) => LessonPeriod(
name: u.name,
start: _fromHHMM(u.startTime),
end: _fromHHMM(u.endTime),
))
.toList()
..sort((a, b) => a._startMinutes.compareTo(b._startMinutes));
return LessonPeriodSchedule(periods);
}
static LessonPeriodSchedule fallback() => const LessonPeriodSchedule([
LessonPeriod(name: '0', start: TimeOfDay(hour: 7, minute: 10), end: TimeOfDay(hour: 7, minute: 53)),
LessonPeriod(name: '1', start: TimeOfDay(hour: 7, minute: 55), end: TimeOfDay(hour: 8, minute: 40)),
LessonPeriod(name: '2', start: TimeOfDay(hour: 8, minute: 40), end: TimeOfDay(hour: 9, minute: 25)),
LessonPeriod(name: '3', start: TimeOfDay(hour: 9, minute: 30), end: TimeOfDay(hour: 10, minute: 15)),
LessonPeriod(name: '4', start: TimeOfDay(hour: 10, minute: 35), end: TimeOfDay(hour: 11, minute: 20)),
LessonPeriod(name: '5', start: TimeOfDay(hour: 11, minute: 25), end: TimeOfDay(hour: 12, minute: 10)),
LessonPeriod(name: '6', start: TimeOfDay(hour: 12, minute: 15), end: TimeOfDay(hour: 13, minute: 0)),
LessonPeriod(name: '7', start: TimeOfDay(hour: 13, minute: 5), end: TimeOfDay(hour: 13, minute: 50)),
LessonPeriod(name: '8', start: TimeOfDay(hour: 14, minute: 5), end: TimeOfDay(hour: 14, minute: 50)),
LessonPeriod(name: '9', start: TimeOfDay(hour: 14, minute: 50), end: TimeOfDay(hour: 15, minute: 35)),
LessonPeriod(name: '10', start: TimeOfDay(hour: 15, minute: 40), end: TimeOfDay(hour: 16, minute: 25)),
LessonPeriod(name: '11', start: TimeOfDay(hour: 16, minute: 25), end: TimeOfDay(hour: 17, minute: 10)),
]);
static LessonPeriodSchedule fromState(TimetableState state) {
final fromApi = state.timegrid != null ? LessonPeriodSchedule.fromApi(state.timegrid!) : null;
return (fromApi ?? fallback()).withSyntheticBreaks();
}
LessonPeriodSchedule withSyntheticBreaks() {
final result = <LessonPeriod>[];
for (var i = 0; i < periods.length; i++) {
final current = periods[i];
result.add(current);
if (i + 1 >= periods.length) continue;
final next = periods[i + 1];
final gapMinutes = next._startMinutes - (current.end.hour * 60 + current.end.minute);
if (gapMinutes >= 10) {
result.add(LessonPeriod(
name: 'Pause',
start: current.end,
end: next.start,
isBreak: true,
));
}
}
return LessonPeriodSchedule(result);
}
static TimeOfDay _fromHHMM(int hhmm) => TimeOfDay(
hour: hhmm ~/ 100,
minute: hhmm % 100,
);
}