98 lines
2.7 KiB
Dart
98 lines
2.7 KiB
Dart
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library;
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enum TimeBucketScheme { watched, added }
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class TimeBucket {
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final String key;
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final String label;
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final int order;
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const TimeBucket({
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required this.key,
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required this.label,
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required this.order,
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});
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}
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const _bucketToday = TimeBucket(key: 'today', label: '今天', order: 0);
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const _bucketYesterday = TimeBucket(key: 'yesterday', label: '昨天', order: 1);
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const _bucketThisWeekWatched = TimeBucket(
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key: 'this_week',
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label: '本周',
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order: 2,
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);
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const _bucketEarlierWatched = TimeBucket(key: 'earlier', label: '更早', order: 3);
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const _bucketThisWeekAdded = TimeBucket(
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key: 'this_week',
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label: '本周',
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order: 1,
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);
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const _bucketThisMonthAdded = TimeBucket(
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key: 'this_month',
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label: '本月',
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order: 2,
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);
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const _bucketEarlierAdded = TimeBucket(key: 'earlier', label: '更早', order: 3);
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DateTime? parseEmbyDate(Object? raw) {
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if (raw is DateTime) return raw.toLocal();
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if (raw is! String || raw.isEmpty) return null;
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final parsed = DateTime.tryParse(raw);
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return parsed?.toLocal();
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}
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DateTime _dateOnly(DateTime d) => DateTime(d.year, d.month, d.day);
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DateTime _startOfWeek(DateTime now) {
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final today = _dateOnly(now);
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return today.subtract(Duration(days: today.weekday - DateTime.monday));
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}
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TimeBucket bucketFor(DateTime? when, DateTime now, TimeBucketScheme scheme) {
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final earlier = scheme == TimeBucketScheme.watched
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? _bucketEarlierWatched
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: _bucketEarlierAdded;
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if (when == null) return earlier;
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final whenDay = _dateOnly(when);
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final todayDay = _dateOnly(now);
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final dayDiff = todayDay.difference(whenDay).inDays;
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switch (scheme) {
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case TimeBucketScheme.watched:
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if (dayDiff <= 0) return _bucketToday;
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if (dayDiff == 1) return _bucketYesterday;
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if (!whenDay.isBefore(_startOfWeek(now))) return _bucketThisWeekWatched;
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return _bucketEarlierWatched;
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case TimeBucketScheme.added:
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if (dayDiff <= 0) return _bucketToday;
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if (!whenDay.isBefore(_startOfWeek(now))) return _bucketThisWeekAdded;
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if (whenDay.year == todayDay.year && whenDay.month == todayDay.month) {
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return _bucketThisMonthAdded;
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}
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return _bucketEarlierAdded;
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}
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}
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String? relativeTimeLabel(DateTime? when, DateTime now) {
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if (when == null) return null;
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final diff = now.difference(when);
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if (diff.isNegative) return '刚刚';
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if (diff.inMinutes < 1) return '刚刚';
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if (diff.inMinutes < 60) return '${diff.inMinutes} 分钟前';
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if (diff.inHours < 24) return '${diff.inHours} 小时前';
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if (diff.inDays < 7) return '${diff.inDays} 天前';
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if (diff.inDays < 35) return '${(diff.inDays / 7).floor()} 周前';
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final m = when.month.toString().padLeft(2, '0');
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final d = when.day.toString().padLeft(2, '0');
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return '${when.year}-$m-$d';
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}
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