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92 lines
3.8 KiB
Dart
92 lines
3.8 KiB
Dart
import 'dart:ui';
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import 'package:easy_localization/easy_localization.dart';
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extension TimeAgoExtension on DateTime {
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/// Displays the time difference of this [DateTime] object to the current time as a [String]
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String timeAgo({bool numericDates = true}) {
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DateTime date = toLocal();
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final now = DateTime.now().toLocal();
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final difference = now.difference(date);
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if (difference.inSeconds < 5) {
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return 'Just now';
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} else if (difference.inSeconds < 60) {
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return '${difference.inSeconds} seconds ago';
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} else if (difference.inMinutes <= 1) {
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return (numericDates) ? '1 minute ago' : 'A minute ago';
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} else if (difference.inMinutes < 60) {
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return '${difference.inMinutes} minutes ago';
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} else if (difference.inHours <= 1) {
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return (numericDates) ? '1 hour ago' : 'An hour ago';
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} else if (difference.inHours < 60) {
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return '${difference.inHours} hours ago';
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} else if (difference.inDays <= 1) {
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return (numericDates) ? '1 day ago' : 'Yesterday';
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} else if (difference.inDays < 6) {
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return '${difference.inDays} days ago';
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} else if ((difference.inDays / 7).ceil() <= 1) {
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return (numericDates) ? '1 week ago' : 'Last week';
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} else if ((difference.inDays / 7).ceil() < 4) {
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return '${(difference.inDays / 7).ceil()} weeks ago';
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} else if ((difference.inDays / 30).ceil() <= 1) {
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return (numericDates) ? '1 month ago' : 'Last month';
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} else if ((difference.inDays / 30).ceil() < 30) {
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return '${(difference.inDays / 30).ceil()} months ago';
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} else if ((difference.inDays / 365).ceil() <= 1) {
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return (numericDates) ? '1 year ago' : 'Last year';
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}
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return '${(difference.inDays / 365).floor()} years ago';
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}
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}
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/// Extension to format date ranges according to UI requirements
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extension DateRangeFormatting on DateTime {
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/// Formats a date range according to specific rules:
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/// - Single date of this year: "Aug 28"
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/// - Single date of other year: "Aug 28, 2023"
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/// - Date range of this year: "Mar 23-May 31"
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/// - Date range of other year: "Aug 28 - Sep 30, 2023"
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/// - Date range over multiple years: "Apr 17, 2021 - Apr 9, 2022"
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static String formatDateRange(
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DateTime startDate,
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DateTime endDate,
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Locale? locale,
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) {
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final now = DateTime.now();
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final currentYear = now.year;
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final localeString = locale?.toString() ?? 'en_US';
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// Check if it's a single date (same day)
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if (startDate.year == endDate.year && startDate.month == endDate.month && startDate.day == endDate.day) {
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if (startDate.year == currentYear) {
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// Single date of this year: "Aug 28"
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return DateFormat.MMMd(localeString).format(startDate);
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} else {
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// Single date of other year: "Aug 28, 2023"
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return DateFormat.yMMMd(localeString).format(startDate);
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}
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}
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// It's a date range
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if (startDate.year == endDate.year) {
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// Same year
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if (startDate.year == currentYear) {
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// Date range of this year: "Mar 23-May 31"
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final startFormatted = DateFormat.MMMd(localeString).format(startDate);
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final endFormatted = DateFormat.MMMd(localeString).format(endDate);
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return '$startFormatted - $endFormatted';
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} else {
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// Date range of other year: "Aug 28 - Sep 30, 2023"
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final startFormatted = DateFormat.MMMd(localeString).format(startDate);
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final endFormatted = DateFormat.MMMd(localeString).format(endDate);
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return '$startFormatted - $endFormatted, ${startDate.year}';
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}
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} else {
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// Date range over multiple years: "Apr 17, 2021 - Apr 9, 2022"
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final startFormatted = DateFormat.yMMMd(localeString).format(startDate);
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final endFormatted = DateFormat.yMMMd(localeString).format(endDate);
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return '$startFormatted - $endFormatted';
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}
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}
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}
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