chatViewFormatTime static method

String chatViewFormatTime(
  1. int? timestamp
)

Implementation

static String chatViewFormatTime(int? timestamp) {
  if (timestamp == null) return '';
  final date = DateTime.fromMillisecondsSinceEpoch(timestamp);
  final now = DateTime.now();

  // 先判断年份
  if (date.year != now.year) {
    return '${date.year}/${date.month}/${date.day} ${date.hour}:${date.minute.toString().padLeft(2, '0')}';
  }

  // 再判断月份
  if (date.month != now.month) {
    return '${date.month}/${date.day} ${date.hour}:${date.minute.toString().padLeft(2, '0')}';
  }

  final differenceInDays = now.difference(date).inDays;
  if (differenceInDays == 0) {
    return '${date.hour}:${date.minute.toString().padLeft(2, '0')}';
  } else if (differenceInDays == 1) {
    return '昨天 ${date.hour}:${date.minute.toString().padLeft(2, '0')}';
  } else if (differenceInDays > 1 && differenceInDays < 7) {
    const weekdays = ['周日', '周一', '周二', '周三', '周四', '周五', '周六'];
    return '${weekdays[date.weekday % 7]} ${date.hour}:${date.minute.toString().padLeft(2, '0')}';
  } else {
    return '${date.month}/${date.day} ${date.hour}:${date.minute.toString().padLeft(2, '0')}';
  }
}