59 lines
1.8 KiB
Dart
59 lines
1.8 KiB
Dart
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import 'package:grouped_list/grouped_list.dart';
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import 'package:intl/intl.dart';
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/// Sorts [GroupedListView]'s group by newest group
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int groupSortNewest(String a, String b, String locale) {
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// TODO: better sorting algorithm lol
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final yearA = RegExp(r'\d+').firstMatch(a);
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if (yearA == null) return 0;
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final yearB = RegExp(r'\d+').firstMatch(b);
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if (yearB == null) return 0;
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final compareYears = int.parse(yearB.group(0)!).compareTo(
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int.parse(yearA.group(0)!),
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);
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if (compareYears != 0) {
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return compareYears;
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}
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final months = List<String>.generate(
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12,
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(index) => DateFormat.MMMM(locale).format(
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DateTime(2023, index + 1),
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),
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);
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final monthA = RegExp('[^0-9 ]+').firstMatch(a);
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if (monthA == null) return 0;
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final monthB = RegExp('[^0-9 ]+').firstMatch(b);
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if (monthB == null) return 0;
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return months.indexOf(monthB.group(0)!).compareTo(
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months.indexOf(monthA.group(0)!),
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);
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}
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/// Sorts [GroupedListView]'s group by oldest group
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int groupSortOldest(String a, String b, String locale) {
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// TODO: better sorting algorithm lol
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final yearA = RegExp(r'\d+').firstMatch(a);
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if (yearA == null) return 0;
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final yearB = RegExp(r'\d+').firstMatch(b);
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if (yearB == null) return 0;
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final compareYears = int.parse(yearA.group(0)!).compareTo(
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int.parse(yearB.group(0)!),
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);
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if (compareYears != 0) {
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return compareYears;
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}
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final months = List<String>.generate(
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12,
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(index) => DateFormat.MMMM(locale).format(
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DateTime(2023, index + 1),
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),
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);
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final monthA = RegExp('[^0-9 ]+').firstMatch(a);
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if (monthA == null) return 0;
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final monthB = RegExp('[^0-9 ]+').firstMatch(b);
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if (monthB == null) return 0;
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return months.indexOf(monthA.group(0)!).compareTo(
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months.indexOf(monthB.group(0)!),
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);
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}
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