class Courses {
  int? id;
  String? name;
  String? permalink;
  String? dateCreated;
  String? shortDescription;
  String? price;
  String? regularPrice;
  String? salePrice;
  List<CourseImage>? images;
  List<Category>? categories;

  Courses({
    this.id,
    this.name,
    this.permalink,
    this.dateCreated,
    this.shortDescription,
    this.price,
    this.regularPrice,
    this.salePrice,
    this.images,
    this.categories,
  });

  factory Courses.fromJson(Map<String, dynamic> json) {
    return Courses(
      id: json['id'],
      name: json['name'],
      permalink: json['permalink'],
      dateCreated: json['date_created'],
      shortDescription: json['short_description'],
      price: json['price'],
      regularPrice: json['regular_price'],
      salePrice: json['sale_price'],
      images: json['images'] != null
          ? (json['images'] as List)
              .map((i) => CourseImage.fromJson(i))
              .toList()
          : null,
      categories: json['categories'] != null
          ? (json['categories'] as List)
              .map((i) => Category.fromJson(i))
              .toList()
          : null,
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'name': name,
      'permalink': permalink,
      'date_created': dateCreated,
      'short_description': shortDescription,
      'price': price,
      'regular_price': regularPrice,
      'sale_price': salePrice,
      'images': images?.map((i) => i.toJson()).toList(),
    };
  }
}

class Category {
  int? id;

  Category({this.id});

  factory Category.fromJson(Map<String, dynamic> json) {
    return Category(
      id: json['id'],
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'id': id,
    };
  }
}

class CourseImage {
  int? id;
  String? src;
  String? name;
  String? alt;

  CourseImage({this.id, this.src, this.name, this.alt});

  factory CourseImage.fromJson(Map<String, dynamic> json) {
    return CourseImage(
      id: json['id'],
      src: json['src'],
      name: json['name'],
      alt: json['alt'],
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'src': src,
      'name': name,
      'alt': alt,
    };
  }
}