flutter_nayou/lib/app/bean/config.dart

class Config {
  Config({
    required this.selected,
    required this.updateInterval,
    required this.updateSubsAtStart,
    required this.setSystemProxy,
    required this.startAtLogin,
    required this.breakConnections,
    required this.subs,
    required this.language,
    required this.servicePort
  });
  late String selected;
  late int updateInterval;
  late bool updateSubsAtStart;
  late bool setSystemProxy;
  late bool startAtLogin;
  late bool breakConnections;
  late String language;
  late int servicePort;
  late List<ConfigSub> subs;

  Config.fromJson(Map<String, dynamic> json) {
    selected = json['selected'];
    updateInterval = json['updateInterval'];
    updateSubsAtStart = json['updateSubsAtStart'];
    setSystemProxy = json['setSystemProxy'];
    startAtLogin = json['startAtLogin'];
    breakConnections = json['breakConnections'];
    language = json['language'];
    servicePort = json['port'];
    subs = List.from(json['subs']).map((e) => ConfigSub.fromJson(e)).toList();
  }

  Map<String, dynamic> toJson() {
    final data = <String, dynamic>{};
    data['selected'] = selected;
    data['updateInterval'] = updateInterval;
    data['updateSubsAtStart'] = updateSubsAtStart;
    data['setSystemProxy'] = setSystemProxy;
    data['startAtLogin'] = startAtLogin;
    data['breakConnections'] = breakConnections;
    data['language'] = language;
    data['port'] = servicePort;
    data['subs'] = subs.map((e) => e.toJson()).toList();
    return data;
  }

  @override
  String toString() {
    return toJson().toString();
  }
}

class ConfigSub {
  ConfigSub({
    required this.name,
    this.url,
    this.updateTime,
    this.info,
  });

  late String name;
  String? url;
  int? updateTime;
  ConfigSubInfo? info;

  ConfigSub.fromJson(Map<String, dynamic> json) {
    name = json['name'];
    url = json['url'];
    updateTime = json['updateTime'];
    if (json['info'] != null) info = ConfigSubInfo.fromJson(json['info']);
  }

  Map<String, dynamic> toJson() {
    return {
      'name': name,
      'url': url,
      'updateTime': updateTime,
      'info': info?.toJson(),
    };
  }

  @override
  String toString() {
    return toJson().toString();
  }
}

class ConfigSubInfo {
  ConfigSubInfo({
    this.upload,
    this.download,
    this.total,
    this.expire,
  });

  int? upload;
  int? download;
  int? total;
  int? expire;

  ConfigSubInfo.fromJson(Map<String, dynamic> json) {
    upload = json['upload'];
    download = json['download'];
    total = json['total'];
    expire = json['expire'];
  }

  Map<String, dynamic> toJson() {
    return {
      'upload': upload,
      'download': download,
      'total': total,
      'expire': expire,
    };
  }

  @override
  String toString() {
    return toJson().toString();
  }
}