using System;
using System.Collections.Generic;
using System.Runtime.Serialization;
using System.Web.Script.Serialization;
using System.Xml.Serialization;
using NewLife;
using NewLife.Data;
using XCode;
using XCode.Membership;
using XCode.Shards;
namespace IoT.Data;
public partial class DeviceData : Entity<DeviceData>
{
#region 对象操作
static DeviceData()
{
Meta.Table.DataTable.InsertOnly = true;
// 按天分表
Meta.ShardPolicy = new TimeShardPolicy(nameof(Id), Meta.Factory)
{
TablePolicy = "{0}_{1:yyyyMMdd}",
Step = TimeSpan.FromDays(1),
};
// 过滤器 UserModule、TimeModule、IPModule
Meta.Modules.Add<TimeModule>();
Meta.Modules.Add<IPModule>();
Meta.Modules.Add<TraceModule>();
}
/// <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 (isNew && !Dirtys[nameof(CreateIP)]) CreateIP = ManageProvider.UserHost;
}
///// <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DeviceData[设备数据]数据……");
// var entity = new DeviceData();
// entity.Id = 0;
// entity.DeviceId = 0;
// entity.Name = "abc";
// entity.Kind = "abc";
// entity.Value = "abc";
// entity.Timestamp = 0;
// entity.TraceId = "abc";
// entity.Creator = "abc";
// entity.CreateTime = DateTime.Now;
// entity.CreateIP = "abc";
// entity.Insert();
// if (XTrace.Debug) XTrace.WriteLine("完成初始化DeviceData[设备数据]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>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 DeviceData FindById(Int64 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>根据设备、编号查找</summary>
/// <param name="deviceId">设备</param>
/// <param name="id">编号</param>
/// <returns>实体列表</returns>
public static IList<DeviceData> FindAllByDeviceIdAndId(Int32 deviceId, Int64 id)
{
// 实体缓存
if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.DeviceId == deviceId && e.Id == id);
return FindAll(_.DeviceId == deviceId & _.Id == id);
}
/// <summary>根据设备查找</summary>
/// <param name="deviceId">设备</param>
/// <returns>实体列表</returns>
public static IList<DeviceData> FindAllByDeviceId(Int32 deviceId)
{
if (deviceId <= 0) return new List<DeviceData>();
// 实体缓存
if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.DeviceId == deviceId);
return FindAll(_.DeviceId == deviceId);
}
/// <summary>根据设备、名称查找</summary>
/// <param name="deviceId">设备</param>
/// <param name="name">名称</param>
/// <returns>实体列表</returns>
public static IList<DeviceData> FindAllByDeviceIdAndName(Int32 deviceId, String name)
{
// 实体缓存
if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.DeviceId == deviceId && e.Name.EqualIgnoreCase(name));
return FindAll(_.DeviceId == deviceId & _.Name == name);
}
/// <summary>根据设备、类型查找</summary>
/// <param name="deviceId">设备</param>
/// <param name="kind">类型</param>
/// <returns>实体列表</returns>
public static IList<DeviceData> FindAllByDeviceIdAndKind(Int32 deviceId, String kind)
{
// 实体缓存
if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.DeviceId == deviceId && e.Kind.EqualIgnoreCase(kind));
return FindAll(_.DeviceId == deviceId & _.Kind == kind);
}
#endregion
#region 高级查询
/// <summary>高级查询</summary>
/// <param name="deviceId">设备</param>
/// <param name="name">名称。MQTT的Topic，或者属性名</param>
/// <param name="start">创建时间开始</param>
/// <param name="end">创建时间结束</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<DeviceData> Search(Int32 deviceId, String name, DateTime start, DateTime end, String key, PageParameter page)
{
var exp = new WhereExpression();
if (deviceId >= 0) exp &= _.DeviceId == deviceId;
if (!name.IsNullOrEmpty()) exp &= _.Name == name;
exp &= _.CreateTime.Between(start, end);
if (!key.IsNullOrEmpty()) exp &= _.Name.Contains(key) | _.Value.Contains(key) | _.TraceId.Contains(key) | _.Creator.Contains(key) | _.CreateIP.Contains(key);
return FindAll(exp, page);
}
// Select Count(Id) as Id,Category From DeviceData Where CreateTime>'2020-01-24 00:00:00' Group By Category Order By Id Desc limit 20
//static readonly FieldCache<DeviceData> _CategoryCache = new FieldCache<DeviceData>(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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