feat: match info

opt dateformat

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/utils/date_util.dart

@@ -0,0 +1,79 @@
+import 'package:intl/intl.dart' show DateFormat;
+
+class DateUtil {
+  static final _shortFormat = DateFormat('MM-dd');
+  static final longFormat = DateFormat('yyyy-MM-dd');
+  static final _shortFormatD = DateFormat('MM-dd HH:mm');
+  static final longFormatD = DateFormat('yyyy-MM-dd HH:mm');
+  static final longFormatDs = DateFormat('yyyy-MM-dd HH:mm:ss');
+
+  static String dateFormat(
+    int? time, {
+    DateFormat? shortFormat,
+    DateFormat? longFormat,
+  }) {
+    if (time == null || time == 0) {
+      return '';
+    }
+
+    final now = DateTime.now();
+    final date = DateTime.fromMillisecondsSinceEpoch(time * 1000);
+    final diff = now.difference(date);
+
+    final diffInMins = diff.inMinutes;
+    if (diffInMins < 1) return '刚刚';
+    if (diffInMins < 60) return '$diffInMins分钟前';
+
+    final diffInHours = diff.inHours;
+    if (diffInHours < 24) return '$diffInHours小时前';
+
+    final today = DateTime(now.year, now.month, now.day);
+    final dateDay = DateTime(date.year, date.month, date.day);
+    final dayDiff = today.difference(dateDay).inDays;
+    if (dayDiff == 1) {
+      return '昨天 ${_twoDigits(date.hour)}:${_twoDigits(date.minute)}';
+    }
+    if (dayDiff < 4) {
+      return '$dayDiff天前';
+    }
+    final DateFormat sdf = now.year == date.year
+        ? shortFormat ?? _shortFormat
+        : longFormat ?? DateUtil.longFormat;
+    return sdf.format(date);
+  }
+
+  static String _twoDigits(int n) => n.toString().padLeft(2, '0');
+
+  static String chatFormat(int? time, {bool isHistory = false}) {
+    if (time == null || time == 0) {
+      return '';
+    }
+
+    final now = DateTime.now();
+    final date = DateTime.fromMillisecondsSinceEpoch(time * 1000);
+
+    final today = DateTime(now.year, now.month, now.day);
+    final dateDay = DateTime(date.year, date.month, date.day);
+    if (today == dateDay) {
+      return '${isHistory ? '今天 ' : ''}${_twoDigits(date.hour)}:${_twoDigits(date.minute)}';
+    }
+    final isYesterday = today.subtract(const Duration(days: 1)) == dateDay;
+    if (isYesterday) {
+      return '昨天 ${_twoDigits(date.hour)}:${_twoDigits(date.minute)}';
+    }
+    if (isHistory) {
+      final DateFormat sdf =
+          now.year == date.year ? _shortFormatD : longFormatD;
+      return sdf.format(date);
+    }
+    return longFormatD.format(date);
+  }
+
+  static String format(int? time, {DateFormat? format}) {
+    if (time == null || time == 0) {
+      return '';
+    }
+    final date = DateTime.fromMillisecondsSinceEpoch(time * 1000);
+    return (format ?? longFormatD).format(date);
+  }
+}