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Client/lib/view/pages/timetable/widgets/special_regions_builder.dart
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2026-05-08 20:12:40 +02:00

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2.7 KiB
Dart

import 'package:flutter/material.dart';
import 'package:syncfusion_flutter_calendar/calendar.dart';
import '../../../../api/webuntis/queries/get_holidays/get_holidays_response.dart';
import '../../../../extensions/date_time.dart';
import '../data/calendar_layout.dart';
import '../data/lesson_period_schedule.dart';
import '../data/webuntis_time.dart';
import 'time_region_tile.dart';
class SpecialRegionsBuilder {
final GetHolidaysResponse holidays;
final LessonPeriodSchedule schedule;
final ColorScheme colorScheme;
final Color disabledColor;
SpecialRegionsBuilder({
required this.holidays,
required this.schedule,
required this.colorScheme,
required this.disabledColor,
});
List<TimeRegion> build() {
final lastMonday = DateTime.now()
.subtract(const Duration(days: 14))
.nextWeekday(DateTime.monday);
final holidayRegions = _buildHolidayRegions().toList();
bool isInHoliday(DateTime time) =>
holidayRegions.any((region) => region.startTime.isSameDay(time));
final breakRegions = schedule.periods
.where((p) => p.isBreak)
.map((p) {
final start = lastMonday.copyWith(
hour: p.start.hour,
minute: p.start.minute,
);
return _breakRegion(start, p.duration);
})
.where((region) => !isInHoliday(region.startTime));
return [...holidayRegions, ...breakRegions];
}
Iterable<TimeRegion> _buildHolidayRegions() => holidays.result.expand((
holiday,
) {
final startDay = WebuntisTime.parse(holiday.startDate, 0);
final dayCount = WebuntisTime.parse(
holiday.endDate,
0,
).difference(startDay).inDays;
final days = List<DateTime>.generate(
dayCount,
(i) => startDay.add(Duration(days: i)),
);
final gridStartHour = kCalendarStartHour.floor();
final gridStartMinute = ((kCalendarStartHour - gridStartHour) * 60).round();
final gridEndHour = kCalendarEndHour.floor();
final gridEndMinute = ((kCalendarEndHour - gridEndHour) * 60).round();
return days.map(
(day) => TimeRegion(
startTime: day.copyWith(hour: gridStartHour, minute: gridStartMinute),
endTime: day.copyWith(hour: gridEndHour, minute: gridEndMinute),
text: '$kTimeRegionHolidayPrefix${holiday.name}',
color: disabledColor.withAlpha(50),
iconData: Icons.holiday_village_outlined,
),
);
});
TimeRegion _breakRegion(DateTime start, Duration duration) => TimeRegion(
startTime: start,
endTime: start.add(duration),
recurrenceRule: 'FREQ=DAILY;INTERVAL=1',
text: kTimeRegionCenterIcon,
color: colorScheme.primary.withAlpha(50),
iconData: Icons.restaurant,
);
}