datamodel.dart

import 'package:flutter/material.dart';

class Product {
  // Properties
  int id;
  String name;
  double price;
  String image;
  String get imageUrl =>
      "https://thonenyastack.github.io/imagesrepo/$image";

  // Constructor
  Product({
    @required this.id,
    @required this.name,
    @required this.price,
    @required this.image,
  });

  factory Product.fromJson(Map<String, dynamic> json) {
    return Product(
        id: json['id'] as int,
        name: json['name'] as String,
        price: json['price'] as double,
        image: json['image'] as String);
  }
}

class Category {
  String name;
  List<Product> products;

  Category({@required this.name, @required this.products});

  factory Category.fromJson(Map<String, dynamic> json) {
    var productJson = json['products'] as Iterable<dynamic>;
    var products = productJson.map((p) => Product.fromJson(p)).toList();
    return Category(name: json['name'] as String, products: products);
  }
}

class ItemInCart {
  Product product;
  int quantity;

  ItemInCart({@required this.product, @required this.quantity});
}