using System.Runtime.Serialization;
using System.Web.Script.Serialization;
using System.Xml.Serialization;
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>, IOnlineModel2
{
#region 对象操作
static DeviceOnline()
{
var df = Meta.Factory.AdditionalFields;
df.Add(__.Pings);
// 过滤器 UserInterceptor、TimeInterceptor、IPInterceptor
Meta.Interceptors.Add<TimeInterceptor>();
Meta.Interceptors.Add<IPInterceptor>();
var sc = Meta.SingleCache;
sc.FindSlaveKeyMethod = k => Find(_.SessionId == k);
sc.GetSlaveKeyMethod = e => e.SessionId;
}
/// <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));
}
#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, Boolean cache = true)
{
if (sessionId.IsNullOrEmpty()) return null;
if (!cache) return Find(_.SessionId == sessionId);
return Meta.SingleCache.GetItemWithSlaveKey(sessionId) as DeviceOnline;
}
/// <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, k => FindBySessionId(k, false), 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();
}
public Int32 Save(IPingRequest request, Object context)
{
if (context is DeviceContext ctx)
{
Token = ctx.Token;
if (ctx.Device is Device device)
{
Name = device.Name;
GroupPath = device.GroupPath;
ProductId = device.ProductId;
}
if (request is PingInfo ping) Fill(ping);
}
Pings++;
//SaveAsync();
var rs = Update();
if (rs == 0)
{
// 记录已被过期清理线程删除，重新插入
Id = 0;
Insert();
rs = 1;
}
return rs;
}
#endregion
}
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