qzl
59 lines
1.6 KiB
Dart
59 lines
1.6 KiB
Dart
DateTime weekStartFor(DateTime date) {
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return date.subtract(Duration(days: date.weekday % 7));
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}
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bool isSameDay(DateTime a, DateTime b) {
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return a.year == b.year && a.month == b.month && a.day == b.day;
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}
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bool shouldShowCurrentMarker(DateTime selectedDate, DateTime now) {
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return isSameDay(selectedDate, now);
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}
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String formatHm(DateTime dateTime) {
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final hour = dateTime.hour.toString().padLeft(2, '0');
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final minute = dateTime.minute.toString().padLeft(2, '0');
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return '$hour:$minute';
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}
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String formatHour(int hour) {
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if (hour == 24) {
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return '00:00';
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}
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return '${hour.toString().padLeft(2, '0')}:00';
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}
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DateTime? parseYmd(String? ymd) {
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if (ymd == null) {
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return null;
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}
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final matched = RegExp(r'^(\d{4})-(\d{2})-(\d{2})$').firstMatch(ymd);
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if (matched == null) {
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return null;
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}
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final year = int.parse(matched.group(1)!);
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final month = int.parse(matched.group(2)!);
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final day = int.parse(matched.group(3)!);
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final parsed = DateTime(year, month, day);
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if (parsed.year != year || parsed.month != month || parsed.day != day) {
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return null;
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}
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return parsed;
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}
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String formatYmd(DateTime dateTime) {
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final year = dateTime.year.toString().padLeft(4, '0');
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final month = dateTime.month.toString().padLeft(2, '0');
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final day = dateTime.day.toString().padLeft(2, '0');
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return '$year-$month-$day';
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}
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List<DateTime> monthDatesFor(DateTime date) {
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final monthStart = DateTime(date.year, date.month, 1);
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final monthEnd = DateTime(date.year, date.month + 1, 0);
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return List.generate(
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monthEnd.day,
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(index) => DateTime(monthStart.year, monthStart.month, index + 1),
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);
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}
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