using System;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using Util.Domain.Entities;

namespace Util.Tests.Models; 

/// <summary>
/// 订单明细
/// </summary>
[Description( "订单明细" )]
public class OrderItem : EntityBase<OrderItem> {
    /// <summary>
    /// 初始化订单明细
    /// </summary>
    public OrderItem() : this( Guid.Empty ) {
    }

    /// <summary>
    /// 初始化订单明细
    /// </summary>
    /// <param name="id">订单明细标识</param>
    public OrderItem( Guid id ) : base( id ) {
    }

    /// <summary>
    /// 订单标识
    ///</summary>
    [Description( "订单标识" )]
    [Required( ErrorMessage = "订单标识不能为空" )]
    [MaxLength( 256 )]
    public string OrderId { get; set; }
    /// <summary>
    /// 产品标识
    ///</summary>
    [Description( "产品标识" )]
    public Guid? ProductId { get; set; }
    /// <summary>
    /// 产品名称
    ///</summary>
    [Description( "产品名称" )]
    [MaxLength( 500 )]
    public string ProductName { get; set; }
    /// <summary>
    /// 单价
    ///</summary>
    [Description( "单价" )]
    public decimal Price { get; set; }
    /// <summary>
    /// 数量
    ///</summary>
    [Description( "数量" )]
    public int Quantity { get; set; }

    /// <summary>
    /// 订单
    /// </summary>
    public Order Order { get; set; }

    /// <summary>
    /// 添加变更列表
    /// </summary>
    protected override void AddChanges( OrderItem other ) {
        AddChange( t => t.OrderId, other.OrderId );
        AddChange( t => t.ProductId, other.ProductId );
        AddChange( t => t.ProductName, other.ProductName );
        AddChange( t => t.Price, other.Price );
        AddChange( t => t.Quantity, other.Quantity );
    }
}