Order.java

package java_assign2;
import java.util.*;
class Order {
    private int id;
    private Customer customer;
    private List<CartItem> items;
    private double total;
    private PaymentStatus paymentStatus;
    private Delivery delivery;
    public Order(int id, Customer customer, List<CartItem> cartItems, double total) {
        this.id = id; this.customer = customer;
        this.items = new ArrayList<>();
        for (CartItem ci : cartItems) this.items.add(new CartItem(ci.getItem(), ci.getQuantity()));
        this.total = total;
        this.paymentStatus = PaymentStatus.PENDING;
        this.delivery = new Delivery();
    }
    public boolean confirmPayment() { this.paymentStatus = PaymentStatus.SUCCESS; return true; }
    public void dispatch() { delivery.updateStatus(DeliveryStatus.DISPATCHED); }
    public PaymentStatus getPaymentStatus() { return paymentStatus; }
    public Delivery getDelivery() { return delivery; }
    public String getReceipt() {
        StringBuilder sb = new StringBuilder("Order Receipt #" + id + "\nCustomer: " + customer.getName() + "\n\nItems:\n");
        for (CartItem ci : items) sb.append("  ").append(ci.getItem().getName()).append(" x").append(ci.getQuantity()).append(" = ₹").append(ci.getTotal()).append("\n");
        sb.append("\nOrder Total: ₹").append(total).append("\nPayment: ").append(paymentStatus).append("\n");
        return sb.toString();
    }
}