RestaurantApp/Order.cs

using System;
using System.Collections.Generic;

namespace RestaurantApp.Models
{
    public class Order
    {
        public int OrderId { get; set; }
        public int TableId { get; set; }
        public string TableInfo { get; set; }
        public int EmployeeId { get; set; }
        public string EmployeeName { get; set; }
        public int? ClientId { get; set; }
        public string ClientName { get; set; }
        public DateTime OpenedAt { get; set; }
        public DateTime? ClosedAt { get; set; }
        public string Status { get; set; }
        public decimal DiscountPct { get; set; }
        public decimal TotalAmount { get; set; }
    }

    public class OrderItem
    {
        public int OrderItemId { get; set; }
        public int OrderId { get; set; }
        public int DishId { get; set; }
        public string DishName { get; set; }
        public int Quantity { get; set; }
        public decimal UnitPrice { get; set; }
        public string Notes { get; set; }
        public string Status { get; set; }
        public decimal Total => Quantity * UnitPrice;
    }
}