import 'dart:async';

import 'package:fcs/data/services/services.dart';
import 'package:fcs/domain/entities/rate.dart';
import 'package:fcs/pages/main/model/base_model.dart';
import 'package:logging/logging.dart';

class ShipmentRateModel extends BaseModel {
  final log = Logger('ShipmentRateModel');

  StreamSubscription<Rate> listener;
  Rate rate;

  void initUser(user) {
    super.initUser(user);
    if (listener != null) listener.cancel();
    listener = Services.instance.rateService.getRateStream().listen((rate) {
      this.rate = rate;
      notifyListeners();
    });
  }

  @override
  logout() async {
    if (listener != null) await listener.cancel();
  }
}