refactor: 枚举移入Models目录,命名空间更新为Rainbow.Entity.Models
大石头 authored at 2026-07-02 12:54:58
4.93 KiB
RainbowBridge
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Runtime.Serialization;
using System.Text;
using System.Threading.Tasks;
using System.Web;
using System.Web.Script.Serialization;
using System.Xml.Serialization;
using NewLife;
using NewLife.Data;
using NewLife.Log;
using NewLife.Model;
using NewLife.Reflection;
using NewLife.Threading;
using NewLife.Web;
using XCode;
using XCode.Cache;
using XCode.Configuration;
using XCode.DataAccessLayer;
using XCode.Membership;
using XCode.Shards;

namespace Rainbow.Entity;

public partial class DeviceOnline : Entity<DeviceOnline>
{
    #region 对象操作
    static DeviceOnline()
    {
        // 累加字段,生成 Update xx Set Count=Count+1234 Where xxx
        //var df = Meta.Factory.AdditionalFields;
        //df.Add(nameof(DeviceId));

        // 拦截器 UserInterceptor、TimeInterceptor、IPInterceptor
        Meta.Interceptors.Add<TimeInterceptor>();

        // 实体缓存
        // var ec = Meta.Cache;
        // ec.Expire = 60;
    }

    /// <summary>验证并修补数据,返回验证结果,或者通过抛出异常的方式提示验证失败。</summary>
    /// <param name="method">添删改方法</param>
    public override Boolean Valid(DataMethod method)
    {
        //if (method == DataMethod.Delete) return true;
        // 如果没有脏数据,则不需要进行任何处理
        if (!HasDirty) return true;

        // 建议先调用基类方法,基类方法会做一些统一处理
        if (!base.Valid(method)) return false;

        // 在新插入数据或者修改了指定字段时进行修正
        //if (method == DataMethod.Insert && !Dirtys[nameof(CreateTime)]) CreateTime = DateTime.Now;
        //if (!Dirtys[nameof(UpdateTime)]) UpdateTime = DateTime.Now;

        // 检查唯一索引
        // CheckExist(method == DataMethod.Insert, nameof(IP));

        return true;
    }

    ///// <summary>首次连接数据库时初始化数据,仅用于实体类重载,用户不应该调用该方法</summary>
    //[EditorBrowsable(EditorBrowsableState.Never)]
    //protected override void InitData()
    //{
    //    // InitData一般用于当数据表没有数据时添加一些默认数据,该实体类的任何第一次数据库操作都会触发该方法,默认异步调用
    //    if (Meta.Session.Count > 0) return;

    //    if (XTrace.Debug) XTrace.WriteLine("开始初始化DeviceOnline[设备在线快照]数据……");

    //    var entity = new DeviceOnline();
    //    entity.Id = 0;
    //    entity.IP = "abc";
    //    entity.Mac = "abc";
    //    entity.HostName = "abc";
    //    entity.DeviceId = 0;
    //    entity.Interface = "abc";
    //    entity.LeaseExpire = DateTime.Now;
    //    entity.PrevMac = "abc";
    //    entity.PrevDeviceId = 0;
    //    entity.MacChangedTime = DateTime.Now;
    //    entity.FirstSeen = DateTime.Now;
    //    entity.LastSeen = DateTime.Now;
    //    entity.OnlineSeconds = 0;
    //    entity.IsOnline = true;
    //    entity.RxBytes = 0;
    //    entity.TxBytes = 0;
    //    entity.Insert();

    //    if (XTrace.Debug) XTrace.WriteLine("完成初始化DeviceOnline[设备在线快照]数据!");
    //}

    ///// <summary>已重载。基类先调用Valid(true)验证数据,然后在事务保护内调用OnInsert</summary>
    ///// <returns></returns>
    //public override Int32 Insert()
    //{
    //    return base.Insert();
    //}

    ///// <summary>已重载。在事务保护范围内处理业务,位于Valid之后</summary>
    ///// <returns></returns>
    //protected override Int32 OnDelete()
    //{
    //    return base.OnDelete();
    //}
    #endregion

    #region 扩展属性
    #endregion

    #region 高级查询

    // Select Count(Id) as Id,Mac From DeviceOnline Where LastSeen>'2020-01-24 00:00:00' Group By Mac Order By Id Desc limit 20
    static readonly FieldCache<DeviceOnline> _MacCache = new(nameof(Mac))
    {
        //Where = _.LastSeen > DateTime.Today.AddDays(-30) & Expression.Empty
    };

    /// <summary>获取MAC地址列表,字段缓存10分钟,分组统计数据最多的前20种,用于魔方前台下拉选择</summary>
    /// <returns></returns>
    public static IDictionary<String, String> GetMacList() => _MacCache.FindAllName();

    // Select Count(Id) as Id,Interface From DeviceOnline Where LastSeen>'2020-01-24 00:00:00' Group By Interface Order By Id Desc limit 20
    static readonly FieldCache<DeviceOnline> _InterfaceCache = new(nameof(Interface))
    {
        //Where = _.LastSeen > DateTime.Today.AddDays(-30) & Expression.Empty
    };

    /// <summary>获取所在网口列表,字段缓存10分钟,分组统计数据最多的前20种,用于魔方前台下拉选择</summary>
    /// <returns></returns>
    public static IDictionary<String, String> GetInterfaceList() => _InterfaceCache.FindAllName();
    #endregion

    #region 业务操作
    #endregion
}