class ExchangeContentModel {
  List<ExChangeContent> contents;
  int lastPage;

  ExchangeContentModel({required this.contents, required this.lastPage});

  factory ExchangeContentModel.fromJson(Map<String, dynamic> json) {
    return ExchangeContentModel(
      contents: List<ExChangeContent>.from(
          json['contents'].map((x) => ExChangeContent.fromJson(x))),
      lastPage: json['lastPage'],
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'contents': List<dynamic>.from(contents.map((x) => x.toJson())),
      'lastPage': lastPage,
    };
  }
}

class ExChangeContent {
  final int id;
  final String label;
  final String title;
  final int type;
  final bool marked;
  final Data data;

  ExChangeContent({
    required this.id,
    required this.label,
    required this.title,
    required this.type,
    required this.marked,
    required this.data,
  });

  factory ExChangeContent.fromJson(Map<String, dynamic> json) {
    return ExChangeContent(
      id: json['id'],
      label: json['label'],
      title: json['title'],
      type: json['type'],
      marked: json['marked'],
      data: Data.fromJson(json['data']),
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'label': label,
      'title': title,
      'type': type,
      'marked': marked,
      'data': data.toJson(),
    };
  }
}

class Data {
  final String p;
  final String y;
  final String h;
  final String l;
  final String d;
  final double dp;
  final String dt;
  final String t;
  final String tEn;
  final String tG;
  final String ts;

  Data({
    required this.p,
    required this.h,
    required this.l,
    required this.y,
    required this.d,
    required this.dp,
    required this.dt,
    required this.t,
    required this.tEn,
    required this.tG,
    required this.ts,
  });

  factory Data.fromJson(Map<String, dynamic> json) {
    return Data(
      p: json['p'],
      y: json['y'],
      h: json['h'],
      l: json['l'],
      d: json['d'],
      dp: json['dp'].toDouble(), // Ensuring correct type
      dt: json['dt'],
      t: json['t'],
      tEn: json['t_en'],
      tG: json['t-g'],
      ts: json['ts'],
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'p': p,
      'h': h,
      'l': l,
      'y': y,
      'd': d,
      'dp': dp,
      'dt': dt,
      't': t,
      't_en': tEn,
      't-g': tG,
      'ts': ts,
    };
  }
}