using System.Runtime.Serialization;
using System.Web.Script.Serialization;
using System.Xml.Serialization;
using NewLife;
using NewLife.Data;
using NewLife.IoT.Models;
using NewLife.Remoting.Models;
using NewLife.Serialization;
using XCode;
namespace IoT.Data;
public partial class DeviceOnline : Entity<DeviceOnline>, IOnlineModel
{
#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(ProductId));
// 过滤器 UserModule、TimeModule、IPModule
Meta.Modules.Add<TimeModule>();
Meta.Modules.Add<IPModule>();
}
/// <summary>验证并修补数据，通过抛出异常的方式提示验证失败。</summary>
/// <param name="isNew">是否插入</param>
public override void Valid(Boolean isNew)
{
// 如果没有脏数据，则不需要进行任何处理
if (!HasDirty) return;
// 建议先调用基类方法，基类方法会做一些统一处理
base.Valid(isNew);
// 在新插入数据或者修改了指定字段时进行修正
//if (isNew && !Dirtys[nameof(CreateTime)]) CreateTime = DateTime.Now;
//if (!Dirtys[nameof(UpdateTime)]) UpdateTime = DateTime.Now;
//if (isNew && !Dirtys[nameof(CreateIP)]) CreateIP = ManageProvider.UserHost;
// 检查唯一索引
// CheckExist(isNew, nameof(SessionId));
}
///// <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]数据……");
// var entity = new DeviceOnline();
// entity.SessionId = "abc";
// entity.ProductId = 0;
// entity.DeviceId = 0;
// entity.Name = "abc";
// entity.IP = "abc";
// entity.GroupPath = "abc";
// entity.Pings = 0;
// entity.Delay = 0;
// entity.Offset = 0;
// entity.LocalTime = DateTime.Now;
// entity.Token = "abc";
// entity.Creator = "abc";
// entity.CreateTime = DateTime.Now;
// entity.CreateIP = "abc";
// entity.UpdateTime = DateTime.Now;
// entity.Remark = "abc";
// entity.Insert();
// if (XTrace.Debug) XTrace.WriteLine("完成初始化DeviceOnline[设备在线]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
/// <summary>产品</summary>
[XmlIgnore, IgnoreDataMember, ScriptIgnore]
public Product Product => Extends.Get(nameof(Product), k => Product.FindById(ProductId));
/// <summary>产品</summary>
[Map(nameof(ProductId), typeof(Product), "Id")]
public String ProductName => Product?.Name;
/// <summary>设备</summary>
[XmlIgnore, IgnoreDataMember, ScriptIgnore]
public Device Device => Extends.Get(nameof(Device), k => Device.FindById(DeviceId));
/// <summary>设备</summary>
[Map(nameof(DeviceId), typeof(Device), "Id")]
public String DeviceName => Device?.Name;
#endregion
#region 扩展查询
/// <summary>根据编号查找</summary>
/// <param name="id">编号</param>
/// <returns>实体对象</returns>
public static DeviceOnline FindById(Int32 id)
{
if (id <= 0) return null;
// 实体缓存
if (Meta.Session.Count < 1000) return Meta.Cache.Find(e => e.Id == id);
// 单对象缓存
return Meta.SingleCache[id];
//return Find(_.Id == id);
}
/// <summary>根据会话查找</summary>
/// <param name="sessionId">会话</param>
/// <returns>实体对象</returns>
public static DeviceOnline FindBySessionId(String sessionId)
{
if (sessionId.IsNullOrEmpty()) return null;
// 实体缓存
if (Meta.Session.Count < 1000) return Meta.Cache.Find(e => e.SessionId.EqualIgnoreCase(sessionId));
return Find(_.SessionId == sessionId);
}
/// <summary>根据产品查找</summary>
/// <param name="productId">产品</param>
/// <returns>实体列表</returns>
public static IList<DeviceOnline> FindAllByProductId(Int32 productId)
{
if (productId <= 0) return [];
// 实体缓存
if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.ProductId == productId);
return FindAll(_.ProductId == productId);
}
#endregion
#region 高级查询
/// <summary>高级查询</summary>
/// <param name="sessionId">会话</param>
/// <param name="productId">产品</param>
/// <param name="start">更新时间开始</param>
/// <param name="end">更新时间结束</param>
/// <param name="key">关键字</param>
/// <param name="page">分页参数信息。可携带统计和数据权限扩展查询等信息</param>
/// <returns>实体列表</returns>
public static IList<DeviceOnline> Search(String sessionId, Int32 productId, DateTime start, DateTime end, String key, PageParameter page)
{
var exp = new WhereExpression();
if (!sessionId.IsNullOrEmpty()) exp &= _.SessionId == sessionId;
if (productId >= 0) exp &= _.ProductId == productId;
exp &= _.UpdateTime.Between(start, end);
if (!key.IsNullOrEmpty()) exp &= _.SessionId.Contains(key) | _.Name.Contains(key) | _.IP.Contains(key) | _.GroupPath.Contains(key) | _.Token.Contains(key) | _.Creator.Contains(key) | _.CreateIP.Contains(key) | _.Remark.Contains(key);
return FindAll(exp, page);
}
// Select Count(Id) as Id,Category From DeviceOnline Where CreateTime>'2020-01-24 00:00:00' Group By Category Order By Id Desc limit 20
//static readonly FieldCache<DeviceOnline> _CategoryCache = new FieldCache<DeviceOnline>(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
/// <summary>根据编码查询或添加</summary>
/// <param name="sessionid"></param>
/// <returns></returns>
public static DeviceOnline GetOrAdd(String sessionid) => GetOrAdd(sessionid, FindBySessionId, k => new DeviceOnline { SessionId = k });
/// <summary>删除过期，指定过期时间</summary>
/// <param name="expire">超时时间，秒</param>
/// <returns></returns>
public static IList<DeviceOnline> ClearExpire(TimeSpan expire)
{
if (Meta.Count == 0) return null;
// 10分钟不活跃将会被删除
var exp = _.UpdateTime < DateTime.Now.Subtract(expire);
var list = FindAll(exp, null, null, 0, 0);
list.Delete();
return list;
}
/// <summary>更新并保存在线状态</summary>
/// <param name="di"></param>
/// <param name="pi"></param>
/// <param name="token"></param>
public void Save(LoginInfo di, PingInfo pi, String token)
{
var olt = this;
// di不等于空，登录时调用；
// pi不为空，客户端发ping消息是调用；
// 两个都是空，收到mqtt协议ping报文时调用
if (di != null)
{
olt.Fill(di);
olt.LocalTime = di.Time.ToDateTime().ToLocalTime();
}
else if (pi != null)
{
olt.Fill(pi);
}
olt.Token = token;
olt.Pings++;
// 5秒内直接保存
if (olt.CreateTime.AddSeconds(5) > DateTime.Now)
olt.Save();
else
olt.SaveAsync();
}
/// <summary>填充节点信息</summary>
/// <param name="di"></param>
public void Fill(LoginInfo di)
{
var online = this;
online.LocalTime = di.Time.ToDateTime().ToLocalTime();
online.IP = di.IP;
}
/// <summary>填充在线节点信息</summary>
/// <param name="inf"></param>
private void Fill(PingInfo inf)
{
var olt = this;
if (inf.Delay > 0) olt.Delay = inf.Delay;
var dt = inf.Time.ToDateTime().ToLocalTime();
if (dt.Year > 2000)
{
olt.LocalTime = dt;
olt.Offset = (Int32)Math.Round((dt - DateTime.Now).TotalSeconds);
}
if (!inf.IP.IsNullOrEmpty()) olt.IP = inf.IP;
olt.Remark = inf.ToJson();
}
#endregion
}
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