import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:intl/intl.dart';

class DateUtil {
  static DateTime toLocal(DateTime dt) {
    return dt.add(Duration(hours: 6, minutes: 30));
  }

  static DateTime fromTimestampToLocalDate(Timestamp ts) {
    if (ts == null) return null;
    return toLocal(ts.toDate());
  }
}

String updatePhoneNumber(String phoneNumber) {
  if(phoneNumber==null) return null;
  if (phoneNumber.startsWith("09")) {
    return "959" + phoneNumber.substring(2);
  }
  return phoneNumber;
}

final NumberFormat numberFormatter = new NumberFormat("#,###");
String formatNumber(int number) {
  if (number == null) return "";
  return numberFormatter.format(number);
}