flutter-sport/lib/bean/jog/sum.dart

class JogSum {
  Sum? sum;
  List<Records>? records;

  JogSum({this.sum, this.records});

  JogSum.fromJson(Map<String, dynamic> json) {
    sum = json['sum'] != null ? new Sum.fromJson(json['sum']) : null;
    if (json['records'] != null) {
      records = [];
      json['records'].forEach((v) {
        records!.add(new Records.fromJson(v));
      });
    }
  }

  Map<String, dynamic> toJson() {
    final Map<String, dynamic> data = new Map<String, dynamic>();
    if (this.sum != null) {
      data['sum'] = this.sum!.toJson();
    }
    if (this.records != null) {
      data['records'] = this.records!.map((v) => v.toJson()).toList();
    }
    return data;
  }
}

class Sum {
  int? distance;
  int? duration;
  int? times;
  int? kmDuration;

  Sum({this.distance, this.duration, this.times, this.kmDuration});

  Sum.fromJson(Map<String, dynamic> json) {
    distance = json['distance'];
    duration = json['duration'];
    times = json['times'];
    kmDuration = json['km_duration'];
  }

  Map<String, dynamic> toJson() {
    final Map<String, dynamic> data = new Map<String, dynamic>();
    data['distance'] = this.distance;
    data['duration'] = this.duration;
    data['times'] = this.times;
    data['km_duration'] = this.kmDuration;
    return data;
  }
}

class Records {
  int? month;
  int? distance;
  int? duration;
  int? kmDuration;
  List<SumRecords>? records;
  bool expand = true;

  Records(
      {this.month,
        this.distance,
        this.duration,
        this.kmDuration,
        this.records});

  Records.fromJson(Map<String, dynamic> json) {
    month = json['month'];
    distance = json['distance'];
    duration = json['duration'];
    kmDuration = json['km_duration'];
    if (json['records'] != null) {
      records = [];
      json['records'].forEach((v) {
        records!.add(new SumRecords.fromJson(v));
      });
    }
  }

  Map<String, dynamic> toJson() {
    final Map<String, dynamic> data = new Map<String, dynamic>();
    data['month'] = this.month;
    data['distance'] = this.distance;
    data['duration'] = this.duration;
    data['km_duration'] = this.kmDuration;
    if (this.records != null) {
      data['records'] = this.records!.map((v) => v.toJson()).toList();
    }
    return data;
  }
}

class SumRecords {
  int? id;
  int? distance;
  int? duration;
  String? begin;
  String? end;
  int? kmDuration;

  SumRecords(
      {this.id, this.distance, this.duration, this.begin, this.end, this.kmDuration});

  SumRecords.fromJson(Map<String, dynamic> json) {
    id = json['id'];
    distance = json['distance'];
    duration = json['duration'];
    begin = json['begin'];
    end = json['end'];
    kmDuration = json['km_duration'];
  }

  Map<String, dynamic> toJson() {
    final Map<String, dynamic> data = new Map<String, dynamic>();
    data['distance'] = this.distance;
    data['duration'] = this.duration;
    data['begin'] = this.begin;
    data['end'] = this.end;
    data['km_duration'] = this.kmDuration;
    return data;
  }
}