// lib/models/cart_item.dart import 'package:cheminova/models/product_model1.dart'; class CartItem { final Product product; int quantity; CartItem({ required this.product, this.quantity = 1, }); // Method to increase quantity void increaseQuantity() { quantity++; } // Method to decrease quantity void decreaseQuantity() { if (quantity > 1) { quantity--; } } // Method to get total price of this item int get totalPrice => product.price * quantity; }