demo/xinhuaribao/lib/model/topic_item_model.dart

import 'package:news_app/extension/base.dart';

/// @author: bo.zeng
/// @email: cnhbwds@gmail.com
/// @date: 2025 2025/4/9 16:00
/// @description:
class TopicItemModel {
  final List<TopicRecordModel>? records;
  final int? total;
  final int? size;
  final int? current;
  final int? pages;

  TopicItemModel({
     this.records,
     this.total,
     this.size,
     this.current,
     this.pages,
  });

  TopicItemModel copyWith({
    int? total,
    int? size,
    int? current,
    int? pages,
    List<TopicRecordModel>? records,
  }) {
    return TopicItemModel(
      total: total ?? this.total,
      size: size ?? this.size,
      current: current ?? this.current,
      pages: pages ?? this.pages,
      records: records ?? this.records,
    );
  }

  factory TopicItemModel.fromJson(Map<String, dynamic> json) {
    return TopicItemModel(
      records:
          (json['records'] as List<dynamic>)
              .map((e) => TopicRecordModel.fromJson(e as Map<String, dynamic>))
              .toList(),
      total: json['total'].toString().convertInt,
      size: json['size'].toString().convertInt,
      current: json['current'].toString().convertInt,
      pages: json['pages'].toString().convertInt,
    );
  }
}

class TopicRecordModel {
  final Member? member;
  final String? contentId;
  final String? content;
  final List<Resource>? resourceList;
  final List<dynamic>? commentList; // 可以根据实际再建模型
  final int? likeNum;
  final int? commentNum;
  final Topic? topic;
  bool? isLiked;
  bool? isFavorite;
  int? favoriteCount;
  final String? shareUrl;
  final String? shareDesc;

  TopicRecordModel({
    this.member,
    this.contentId,
    this.content,
    this.resourceList,
    this.commentList,
    this.likeNum,
    this.commentNum,
    this.topic,
    this.isLiked,
    this.isFavorite,
    this.favoriteCount,
    this.shareUrl,
    this.shareDesc,
  });



  factory TopicRecordModel.fromJson(Map<String, dynamic> json) {
    return TopicRecordModel(
      member: Member.fromJson(json['member']),
      contentId: json['contentId'] ?? '',
      content: json['content'] ?? '',
      resourceList:
          (json['resourceList'] as List<dynamic>)
              .map((e) => Resource.fromJson(e as Map<String, dynamic>))
              .toList(),
      commentList: json['commentList'] ?? [],
      likeNum: json['likeNum'].toString().convertInt,
      commentNum: json['commentNum'].toString().convertInt,
      topic: Topic.fromJson(json['topic']),
      isLiked: json['isLiked'] ?? false,
      isFavorite: json['isFavorite'] ?? false,
      favoriteCount: json['favoriteCount'].toString().convertInt,
      shareUrl: json['shareUrl'] ?? '',
      shareDesc: json['shareDesc'] ?? ''

    );
  }

  //生成copyWith方法
  TopicRecordModel copyWith({
    Member? member,
    String? contentId,
    String? content,
    List<Resource>? resourceList,
    List<dynamic>? commentList,
    int? likeNum,
    int? commentNum,
    Topic? topic,
    bool? isLiked,
    bool? isFavorite,
    int? favoriteCount,
    String? shareUrl,
    String? shareDesc,
  }){
    return TopicRecordModel(
      member: member ?? this.member,
      contentId: contentId ?? this.contentId,
      content: content ?? this.content,
      resourceList: resourceList ?? this.resourceList,
      commentList: commentList ?? this.commentList,
      likeNum: likeNum ?? this.likeNum,
      commentNum: commentNum ?? this.commentNum,
      topic: topic ?? this.topic,
      isLiked: isLiked ?? this.isLiked,
      isFavorite: isFavorite ?? this.isFavorite,
      favoriteCount: favoriteCount ?? this.favoriteCount,
      shareUrl:shareUrl ?? this.shareUrl,
      shareDesc:shareDesc ?? this.shareDesc,
    );
  }
}

class Member {
  String? memberId;
  String? avatar;
  String? nickname;

  Member({this.memberId, this.avatar, this.nickname});

  factory Member.fromJson(Map<String, dynamic> json) {
    return Member(
      memberId: json['memberId'] ?? '',
      avatar: json['avatar'] ?? '',
      nickname: json['nickname'] ?? '',
    );
  }
}

class Topic {
  final String content;
  final String contentId;

  Topic({required this.content, required this.contentId});

  factory Topic.fromJson(Map<String, dynamic> json) {
    return Topic(
      content: json['content'] ?? '',
      contentId: json['contentId'] ?? '',
    );
  }
}

class Resource {
  final String type;
  final String url;

  Resource({required this.type, required this.url});

  factory Resource.fromJson(Map<String, dynamic> json) {
    return Resource(type: json['type'] ?? '', url: json['url'] ?? '');
  }
}