ExpressOrderProcessor.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SDP_Project
{
    class ExpressOrderProcessor : OrderProcessor
    {
        public double ExpressCharge { get; set; } = 15.0;

        public ExpressOrderProcessor(Order order, Restaurant restaurant) : base(order, restaurant) { }

        public override double CalculateDeliveryPrice()
        {
            return restaurant.RestaurantDeliveryPrice + ExpressCharge;
        }

        public override List<OrderItem> SelectItems()
        {
            return order.OrderItems;
        }

        public override bool ValidateOrder()
        {
            return order.OrderItems.Count > 0;
        }

        public override void ProcessOrder()
        {
            Console.WriteLine($"Processing express order for {order.DeliveryAddress}.");
        }

        public override void DeliverOrder()
        {
            Console.WriteLine($"Delivering order to {order.DeliveryAddress} with express delivery.");
        }
    }
}