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 AntJob.Data.DataSync;
public partial class DataSource : Entity<DataSource>
{
#region 对象操作
static DataSource()
{
// 累加字段，生成 Update xx Set Count=Count+1234 Where xxx
//var df = Meta.Factory.AdditionalFields;
//df.Add(nameof(DbType));
// 过滤器 UserModule、TimeModule、IPModule
Meta.Modules.Add(new UserModule { AllowEmpty = false });
Meta.Modules.Add<TimeModule>();
Meta.Modules.Add(new IPModule { AllowEmpty = false });
// 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;
// 这里验证参数范围，建议抛出参数异常，指定参数名，前端用户界面可以捕获参数异常并聚焦到对应的参数输入框
if (Name.IsNullOrEmpty()) throw new ArgumentNullException(nameof(Name), "名称不能为空！");
// 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UserModule过滤器代劳
/*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DataSource[数据源]数据……");
// var entity = new DataSource();
// entity.Name = "abc";
// entity.Enable = true;
// entity.DbType = 0;
// entity.Server = "abc";
// entity.Database = "abc";
// entity.Schema = 0;
// entity.Account = "abc";
// entity.Password = "abc";
// entity.CreateUserID = 0;
// entity.CreateUser = "abc";
// entity.CreateTime = DateTime.Now;
// entity.CreateIP = "abc";
// entity.UpdateUserID = 0;
// entity.UpdateUser = "abc";
// entity.UpdateTime = DateTime.Now;
// entity.UpdateIP = "abc";
// entity.Remark = "abc";
// entity.Insert();
// if (XTrace.Debug) XTrace.WriteLine("完成初始化DataSource[数据源]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></summary>
[XmlIgnore, IgnoreDataMember, ScriptIgnore]
public String ConnStr
{
get
{
var conStr = "";
switch (DbType)
{
case DatabaseType.Access:
conStr = "";
break;
case DatabaseType.SqlServer:
conStr = $"Data Source={Server};Initial Catalog={Database};user={Account};password={Password};Provider=SqlClient";
break;
case DatabaseType.Oracle:
conStr = $"Data Source={Server};User Id={Account};Password={Password};Provider=Oracle";
break;
case DatabaseType.MySql:
conStr = $"Server={Server};Database={Database};Uid={Account};Pwd={Password};Provider=MySql";
break;
case DatabaseType.SqlCe:
conStr = "";
break;
case DatabaseType.SQLite:
conStr = $"Data Source={Server};ShowSql=false;Provider=Sqlite;";
break;
case DatabaseType.PostgreSQL:
conStr = $"Server={Server};Database={Database};Uid={Account};Pwd={Password};Provider=PostgreSQL";
break;
case DatabaseType.DaMeng:
conStr = "";
break;
case DatabaseType.DB2:
conStr = "";
break;
case DatabaseType.TDengine:
conStr = "";
break;
case DatabaseType.Hana:
conStr = "";
break;
default:
break;
}
return conStr;
}
}
#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 DataSource 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>根据名称查找</summary>
/// <param name="name">名称</param>
/// <returns>实体对象</returns>
public static DataSource FindByName(String name)
{
if (name.IsNullOrEmpty()) return null;
// 实体缓存
if (Meta.Session.Count < 1000) return Meta.Cache.Find(e => e.Name.EqualIgnoreCase(name));
// 单对象缓存
//return Meta.SingleCache.GetItemWithSlaveKey(name) as DataSource;
return Find(_.Name == name);
}
/// <summary>根据数据库类型查找</summary>
/// <param name="dbType">数据库类型</param>
/// <returns>实体列表</returns>
public static IList<DataSource> FindAllByDbType(XCode.DataAccessLayer.DatabaseType dbType)
{
if (dbType <= 0) return new List<DataSource>();
// 实体缓存
if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.DbType == dbType);
return FindAll(_.DbType == dbType);
}
#endregion
#region 高级查询
/// <summary>高级查询</summary>
/// <param name="name">名称</param>
/// <param name="dbType">数据库类型</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<DataSource> Search(String name, XCode.DataAccessLayer.DatabaseType dbType, DateTime start, DateTime end, String key, PageParameter page)
{
var exp = new WhereExpression();
if (!name.IsNullOrEmpty()) exp &= _.Name == name;
if (dbType >= 0) exp &= _.DbType == dbType;
exp &= _.UpdateTime.Between(start, end);
if (!key.IsNullOrEmpty()) exp &= _.Name.Contains(key) | _.Server.Contains(key) | _.Database.Contains(key) | _.Account.Contains(key) | _.Password.Contains(key) | _.CreateUser.Contains(key) | _.CreateIP.Contains(key) | _.UpdateUser.Contains(key) | _.UpdateIP.Contains(key) | _.Remark.Contains(key);
return FindAll(exp, page);
}
// Select Count(Id) as Id,Category From DataSource Where CreateTime>'2020-01-24 00:00:00' Group By Category Order By Id Desc limit 20
//static readonly FieldCache<DataSource> _CategoryCache = new FieldCache<DataSource>(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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