demo/xinhuaribao/lib/model/news_data_model.dart

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

class NewsDataModel {
  NewsDataModel({
    List<NewsRecord>? records,
    int? total,
    int? size,
    int? current,
    int? pages,
  }) {
    _records = records;
    _total = total;
    _size = size;
    _current = current;
    _pages = pages;
  }

  NewsDataModel.fromJson(dynamic json) {
    if (json['records'] != null) {
      _records = [];
      json['records'].forEach((v) {
        _records?.add(NewsRecord.fromJson(v));
      });
    }
    _total = json['total'].toString().convertInt;
    _size = json['size'].toString().convertInt;
    _current = json['current'].toString().convertInt;
    _pages = json['pages'].toString().convertInt;
  }

  List<NewsRecord>? _records;
  int? _total;
  int? _size;
  int? _current;
  int? _pages;

  NewsDataModel copyWith({
    List<NewsRecord>? records,
    int? total,
    int? size,
    int? current,
    int? pages,
  }) => NewsDataModel(
    records: records ?? _records,
    total: total ?? _total,
    size: size ?? _size,
    current: current ?? _current,
    pages: pages ?? _pages,
  );

  List<NewsRecord>? get records => _records;

  int? get total => _total;

  int? get size => _size;

  int? get current => _current;

  int? get pages => _pages;

  Map<String, dynamic> toJson() {
    final map = <String, dynamic>{};
    if (_records != null) {
      map['records'] = _records?.map((v) => v.toJson()).toList();
    }
    map['total'] = _total;
    map['size'] = _size;
    map['current'] = _current;
    map['pages'] = _pages;
    return map;
  }
}

class NewsRecord {
  NewsRecord({
    String? contentId,
    String? catalogId,
    String? contentType,
    String? title,
    String? logo,
    List<String>? images,
    List<String>? imagesSrc,
    String? author,
    String? editor,
    String? summary,
    List<String>? attributes,
    String? topFlag,
    List<String>? keywords,
    List<String>? tags,
    String? publishDateStr,
    String? likeCount,
    String? commentCount,
    String? favoriteCount,
    String? viewCount,
    bool? isLiked,
    bool? isFavorite,
  }) {
    _contentId = contentId;
    _catalogId = catalogId;
    _contentType = contentType;
    _title = title;
    _logo = logo;
    _images = images;
    _imagesSrc = imagesSrc;
    _author = author;
    _editor = editor;
    _summary = summary;
    _attributes = attributes;
    _topFlag = topFlag;
    _keywords = keywords;
    _tags = tags;
    _publishDateStr = publishDateStr;
    _likeCount = likeCount;
    _commentCount = commentCount;
    _favoriteCount = favoriteCount;
    _viewCount = viewCount;
    _isLiked = isLiked;
    _isFavorite = isFavorite;
  }

  NewsRecord.fromJson(dynamic json) {
    _contentId = json['contentId'];
    _catalogId = json['catalogId'];
    _contentType = json['contentType'];
    _title = json['title'];
    _logo = json['logo'];
    _images = json['images'] != null ? json['images'].cast<String>() : [];
    _imagesSrc =
        json['imagesSrc'] != null ? json['imagesSrc'].cast<String>() : [];
    _author = json['author'];
    _editor = json['editor'];
    _summary = json['summary'];
    _attributes =
        json['attributes'] != null ? json['attributes'].cast<String>() : [];
    _topFlag = json['topFlag'];
    _keywords = json['keywords'] != null ? json['keywords'].cast<String>() : [];
    _tags = json['tags'] != null ? json['tags'].cast<String>() : [];
    _publishDateStr = json['publishDateStr'];
    _likeCount = json['likeCount'];
    _commentCount = json['commentCount'];
    _favoriteCount = json['favoriteCount'];
    _viewCount = json['viewCount'];
    _isLiked = json['isLiked'];
    _isFavorite = json['isFavorite'];
  }

  String? _contentId;
  String? _catalogId;
  String? _contentType;
  String? _title;
  String? _logo;
  List<String>? _images;
  List<String>? _imagesSrc;
  String? _author;
  String? _editor;
  String? _summary;
  List<String>? _attributes;
  String? _topFlag;
  List<String>? _keywords;
  List<String>? _tags;
  String? _publishDateStr;
  String? _likeCount;
  String? _commentCount;
  String? _favoriteCount;
  String? _viewCount;
  bool? _isLiked;
  bool? _isFavorite;

  NewsRecord copyWith({
    String? contentId,
    String? catalogId,
    String? contentType,
    String? title,
    String? logo,
    List<String>? images,
    List<String>? imagesSrc,
    String? author,
    String? editor,
    String? summary,
    List<String>? attributes,
    String? topFlag,
    List<String>? keywords,
    List<String>? tags,
    String? publishDateStr,
    String? likeCount,
    String? commentCount,
    String? favoriteCount,
    String? viewCount,
    bool? isLiked,
    bool? isFavorite,
  }) => NewsRecord(
    contentId: contentId ?? _contentId,
    catalogId: catalogId ?? _catalogId,
    contentType: contentType ?? _contentType,
    title: title ?? _title,
    logo: logo ?? _logo,
    images: images ?? _images,
    imagesSrc: imagesSrc ?? _imagesSrc,
    author: author ?? _author,
    editor: editor ?? _editor,
    summary: summary ?? _summary,
    attributes: attributes ?? _attributes,
    topFlag: topFlag ?? _topFlag,
    keywords: keywords ?? _keywords,
    tags: tags ?? _tags,
    publishDateStr: publishDateStr ?? _publishDateStr,
    likeCount: likeCount ?? _likeCount,
    commentCount: commentCount ?? _commentCount,
    favoriteCount: favoriteCount ?? _favoriteCount,
    viewCount: viewCount ?? _viewCount,
    isLiked: isLiked ?? _isLiked,
    isFavorite: isFavorite ?? _isFavorite,
  );

  String? get contentId => _contentId;

  String? get catalogId => _catalogId;

  String? get contentType => _contentType;

  String? get title => _title;

  String? get logo => _logo;

  List<String>? get images => _images;

  List<String>? get imagesSrc => _imagesSrc;

  String? get author => _author;

  String? get editor => _editor;

  String? get summary => _summary;

  List<String>? get attributes => _attributes;

  String? get topFlag => _topFlag;

  List<String>? get keywords => _keywords;

  List<String>? get tags => _tags;

  String? get publishDateStr => _publishDateStr;

  String? get likeCount => _likeCount;

  String? get commentCount => _commentCount;

  String? get favoriteCount => _favoriteCount;

  String? get viewCount => _viewCount;

  bool? get isLiked => _isLiked;

  bool? get isFavorite => _isFavorite;

  Map<String, dynamic> toJson() {
    final map = <String, dynamic>{};
    map['contentId'] = _contentId;
    map['catalogId'] = _catalogId;
    map['contentType'] = _contentType;
    map['title'] = _title;
    map['logo'] = _logo;
    map['images'] = _images;
    map['imagesSrc'] = _imagesSrc;
    map['author'] = _author;
    map['editor'] = _editor;
    map['summary'] = _summary;
    map['attributes'] = _attributes;
    map['topFlag'] = _topFlag;
    if (_keywords != null) {
      map['keywords'] = _keywords;
    }
    map['tags'] = _tags;
    map['publishDateStr'] = _publishDateStr;
    map['likeCount'] = _likeCount;
    map['commentCount'] = _commentCount;
    map['favoriteCount'] = _favoriteCount;
    map['viewCount'] = _viewCount;
    map['isLiked'] = _isLiked;
    map['isFavorite'] = _isFavorite;
    return map;
  }
}