class KtUtils {
  static String getTimeZoneOffset(DateTime dateTime) {
    Duration offset = dateTime.timeZoneOffset;
    String sign = offset.isNegative ? '-' : '+';
    int hours = offset.inHours.abs();
    int minutes = (offset.inMinutes.abs() % 60);

    return 'GMT$sign${hours.toString().padLeft(2, '0')}:${minutes.toString().padLeft(2, '0')}';
  }

  static bool isEmpty(dynamic value) {
    return value == null ||
        (value is Map && value.isEmpty) ||
        (value is String && value.isEmpty) ||
        (value is Iterable && value.isEmpty);
  }

  static bool isNotEmpty(dynamic value) {
    return !isEmpty(value);
  }
}