course-work/lib/models/item.dart

import 'package:equatable/equatable.dart';
import 'package:json_annotation/json_annotation.dart';

part 'item.g.dart';

@JsonSerializable()
class Item extends Equatable {
  factory Item.fromJson(final Map<String, dynamic> json) =>
      _$ItemFromJson(json);
  Item({
    required this.title,
    required this.id,
    this.description,
    this.price,
    this.quantity,
  });

  final String title;
  final String? description;
  final int? price;
  final int id;
  final int? quantity;

  // tojson
  Map<String, dynamic> toJson() => _$ItemToJson(this);

  @override
  List<Object?> get props => [
        title,
        description,
        price,
        id,
        quantity,
      ];
}