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 DeviceGroup : Entity<DeviceGroup>
{
#region 对象操作
// 控制最大缓存数量,Find/FindAll查询方法在表行数小于该值时走实体缓存
private static Int32 MaxCacheCount = 1000;
static DeviceGroup()
{
// 累加字段,生成 Update xx Set Count=Count+1234 Where xxx
//var df = Meta.Factory.AdditionalFields;
//df.Add(nameof(ParentId));
// 拦截器 UserInterceptor、TimeInterceptor、IPInterceptor
Meta.Interceptors.Add(new UserInterceptor { AllowEmpty = false });
Meta.Interceptors.Add<TimeInterceptor>();
Meta.Interceptors.Add(new IPInterceptor { AllowEmpty = false });
Meta.Interceptors.Add<TraceInterceptor>();
// 实体缓存
// var ec = Meta.Cache;
// ec.Expire = 60;
// 单对象缓存
var sc = Meta.SingleCache;
// sc.Expire = 60;
sc.FindSlaveKeyMethod = k => Find(_.Name == k);
sc.GetSlaveKeyMethod = e => e.Name;
}
/// <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
// 处理当前已登录用户信息,可以由UserInterceptor拦截器代劳
/*var user = ManageProvider.User;
if (user != null)
{
if (method == DataMethod.Insert && !Dirtys[nameof(CreateUserID)]) CreateUserID = user.ID;
if (!Dirtys[nameof(UpdateUserID)]) UpdateUserID = user.ID;
}*/
//if (method == DataMethod.Insert && !Dirtys[nameof(CreateTime)]) CreateTime = DateTime.Now;
//if (!Dirtys[nameof(UpdateTime)]) UpdateTime = DateTime.Now;
//if (method == DataMethod.Insert && !Dirtys[nameof(CreateIP)]) CreateIP = ManageProvider.UserHost;
//if (!Dirtys[nameof(UpdateIP)]) UpdateIP = ManageProvider.UserHost;
// 检查唯一索引
// CheckExist(method == DataMethod.Insert, nameof(Name));
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DeviceGroup[设备分组]数据……");
// var entity = new DeviceGroup();
// entity.Id = 0;
// entity.Name = "abc";
// entity.Description = "abc";
// entity.Icon = "abc";
// entity.ParentId = 0;
// entity.SortOrder = 0;
// entity.Enable = true;
// entity.Insert();
// if (XTrace.Debug) XTrace.WriteLine("完成初始化DeviceGroup[设备分组]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,Category From DeviceGroup Where CreateTime>'2020-01-24 00:00:00' Group By Category Order By Id Desc limit 20
//static readonly FieldCache<DeviceGroup> _CategoryCache = new(nameof(Category))
//{
//Where = _.CreateTime > DateTime.Today.AddDays(-30) & Expression.Empty
//};
///// <summary>获取类别列表,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> GetCategoryList() => _CategoryCache.FindAllName();
#endregion
#region 业务操作
#endregion
}
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