dating_touchme_app/lib/model/home/test_data.dart

class TestData {
  String? id;
  String? title;
  int? type;
  String? disclaimer;
  List<QuestionList>? questionList;

  TestData(
      {this.id, this.title, this.type, this.disclaimer, this.questionList});

  TestData.fromJson(Map<String, dynamic> json) {
    id = json['id'];
    title = json['title'];
    type = json['type'];
    disclaimer = json['disclaimer'];
    if (json['questionList'] != null) {
      questionList = <QuestionList>[];
      json['questionList'].forEach((v) {
        questionList!.add(new QuestionList.fromJson(v));
      });
    }
  }

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

class QuestionList {
  String? id;
  String? title;
  int? sort;
  List<OptionList>? optionList;

  QuestionList({this.id, this.title, this.sort, this.optionList});

  QuestionList.fromJson(Map<String, dynamic> json) {
    id = json['id'];
    title = json['title'];
    sort = json['sort'];
    if (json['optionList'] != null) {
      optionList = <OptionList>[];
      json['optionList'].forEach((v) {
        optionList!.add(new OptionList.fromJson(v));
      });
    }
  }

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

class OptionList {
  String? id;
  String? text;
  int? sort;

  OptionList({this.id, this.text, this.sort});

  OptionList.fromJson(Map<String, dynamic> json) {
    id = json['id'];
    text = json['text'];
    sort = json['sort'];
  }

  Map<String, dynamic> toJson() {
    final Map<String, dynamic> data = new Map<String, dynamic>();
    data['id'] = this.id;
    data['text'] = this.text;
    data['sort'] = this.sort;
    return data;
  }
}