class TopicItem {
  int? id;
  String? name;
  int? view;
  int? discuss;
  late int fav;
  late int like;
  int? dynamics;
  String? jumpUrl;
  String? backColor;
  String? description;
  String? sharePic;
  String? shareUrl;
  int? ctime;
  bool? showInteractData;
  bool? isFav;
  bool? isLike;

  TopicItem({
    this.id,
    this.name,
    this.view,
    this.discuss,
    required this.fav,
    required this.like,
    this.dynamics,
    this.jumpUrl,
    this.backColor,
    this.description,
    this.sharePic,
    this.shareUrl,
    this.ctime,
    this.showInteractData,
    this.isFav,
    this.isLike,
  });

  factory TopicItem.fromJson(Map<String, dynamic> json) => TopicItem(
        id: json['id'] as int?,
        name: json['name'] as String?,
        view: json['view'] as int? ?? 0,
        discuss: json['discuss'] as int? ?? 0,
        fav: json['fav'] as int? ?? 0,
        like: json['like'] as int? ?? 0,
        dynamics: json['dynamics'] as int?,
        jumpUrl: json['jump_url'] as String?,
        backColor: json['back_color'] as String?,
        description: json['description'] as String?,
        sharePic: json['share_pic'] as String?,
        shareUrl: json['share_url'] as String?,
        ctime: json['ctime'] as int?,
        showInteractData: json['show_interact_data'] as bool?,
        isFav: json['is_fav'] as bool?,
        isLike: json['is_like'] as bool?,
      );

  Map<String, dynamic> toJson() => {
        'id': id,
        'name': name,
        'view': view,
        'discuss': discuss,
        'fav': fav,
        'dynamics': dynamics,
        'jump_url': jumpUrl,
        'back_color': backColor,
        'description': description,
        'share_pic': sharePic,
        'share_url': shareUrl,
        'ctime': ctime,
        'show_interact_data': showInteractData,
      };
}