extension DateTimeFormatting on DateTime {
  // Форматирует дату как "DD/MM/YYYY"
  String toFormattedDate() {
    return "${this.day.toString().padLeft(2, '0')}/${this.month.toString().padLeft(2, '0')}/${this.year}";
  }

  // Форматирует как "x дней осталось"
  String toDaysLeft() {
    final now = DateTime.now();
    final difference = this.difference(now).inDays;
    if (difference < 0) {
      return "Overdue by ${difference.abs()} days";
    } else if (difference == 0) {
      return "Due today";
    } else {
      return "Due in $difference days";
    }
  }
}