## v0.3.22

- 优化 导航属性 ManyToOne 名称查找规则；
- 增加 IFreeSql.Aop 属性，未来所有拦截方法都在这里，第一期支持如下：
  * 监控 ToList 返回的的数据，用于拦截重新装饰；
  * 监视 Where，包括 select/update/delete，返回值 true 时可使上层不被执行；
  * 可自定义解析表达式；
- 增加 ISelect.TractToList，用于单次跟踪或审核实体；
- 优化 FreeSql.DbContext SaveChanges；

FreeSql/Interface/Curd/ISelect/ISelect0.cs

@@ -16,6 +16,13 @@ namespace FreeSql {
 		/// <returns></returns>
 		TSelect WithTransaction(DbTransaction transaction);
 
+		/// <summary>
+		/// 审核或跟踪 ToList 即将返回的数据
+		/// </summary>
+		/// <param name="list"></param>
+		/// <returns></returns>
+		TSelect TrackToList(Action<object> action);
+
 		/// <summary>
 		/// 执行SQL查询，返回 DataTable
 		/// </summary>

FreeSql/Interface/IAop.cs

@@ -1,20 +1,64 @@
-//using FreeSql.DatabaseModel;
-//using System;
-//using System.Collections.Generic;
+using FreeSql.DatabaseModel;
+using System;
+using System.Collections.Generic;
+using System.Linq.Expressions;
 
-//namespace FreeSql {
-//	public interface IAop {
+namespace FreeSql {
+	public interface IAop {
 
-//		ISelect<T1> SelectFitler<T1>(ISelect<T1> select) where T1 : class;
-//		//ISelect<T1, T2, T3> SelectFitler<T1, T2, T3>(ISelect<T1, T2, T3> select) where T1 : class where T2 : class where T3 : class;
-//		//ISelect<T1, T2, T3, T4> SelectFitler<T1, T2, T3, T4>(ISelect<T1, T2, T3, T4> select) where T1 : class where T2 : class where T3 : class where T4 : class;
-//		//ISelect<T1, T2, T3, T4, T5, T6> SelectFitler<T1, T2, T3, T4, T5, T6>(ISelect<T1, T2, T3, T4, T5, T6> select) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class;
-//		//ISelect<T1, T2, T3, T4, T5, T6, T7> SelectFitler<T1, T2, T3, T4, T5, T6, T7>(ISelect<T1, T2, T3, T4, T5, T6, T7> select) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class;
-//		//ISelect<T1, T2, T3, T4, T5, T6, T7, T8> SelectFitler<T1, T2, T3, T4, T5, T6, T7, T8>(ISelect<T1, T2, T3, T4, T5, T6, T7, T8> select) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class;
-//		//ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> SelectFitler<T1, T2, T3, T4, T5, T6, T7, T8, T9>(ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> select) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class;
-//		//ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> SelectFitler<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> select) where T1 : class where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class;
+		/// <summary>
+		/// 监控 ToList 返回的的数据，用于拦截重新装饰
+		/// </summary>
+		EventHandler<AopToListEventArgs> ToList { get; set; }
 
-//		IUpdate<T1> UpdateFitler<T1>(IUpdate<T1> update) where T1 : class;
-//		IDelete<T1> DeleteFitler<T1>(IUpdate<T1> delete) where T1 : class;
-//	}
-//}
+		/// <summary>
+		/// 监视 Where，包括 select/update/delete，可控制使上层不被执行。
+		/// </summary>
+		EventHandler<AopWhereEventArgs> Where { get; set; }
+
+		/// <summary>
+		/// 可自定义解析表达式
+		/// </summary>
+		EventHandler<AopParseExpressionEventArgs> ParseExpression { get; set; }
+	}
+
+	public class AopToListEventArgs : EventArgs {
+		public AopToListEventArgs(object list) {
+			this.List = list;
+		}
+		/// <summary>
+		/// 可重新装饰的引用数据
+		/// </summary>
+		public object List { get; }
+	}
+	public class AopWhereEventArgs : EventArgs {
+		public AopWhereEventArgs(params object[] parameters) {
+			this.Parameters = parameters;
+		}
+		public object[] Parameters { get; }
+		/// <summary>
+		/// 可使上层不被执行这个条件
+		/// </summary>
+		public bool IsCancel { get; set; }
+	}
+	public class AopParseExpressionEventArgs : EventArgs {
+		public AopParseExpressionEventArgs(Expression expression, Func<Expression, string> freeParse) {
+			this.Expression = expression;
+			this.FreeParse = freeParse;
+		}
+
+		/// <summary>
+		/// 内置解析功能，可辅助您进行解析
+		/// </summary>
+		public Func<Expression, string> FreeParse { get; }
+
+		/// <summary>
+		/// 需要您解析的表达式
+		/// </summary>
+		public Expression Expression { get; }
+		/// <summary>
+		/// 解析后的内容
+		/// </summary>
+		public string Result { get; set; }
+	}
+}

FreeSql/Interface/IFreeSql.cs

@@ -95,6 +95,10 @@ public interface IFreeSql {
 	/// 数据库访问对象
 	/// </summary>
 	IAdo Ado { get; }
+	/// <summary>
+	/// 所有拦截方法都在这里
+	/// </summary>
+	IAop Aop { get; }
 
 	/// <summary>
 	/// CodeFirst 模式开发相关方法