From 18a0fe26b637ba8d806190f8ead56538612d97b9 Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Wed, 23 Mar 2022 18:02:25 +0800
Subject: [PATCH] Support   date.DayOfWeek

---
 .../SqlServerTest/UnitTest/UCustom011.cs      |  1 +
 .../ExpressionsToSql/Common/DateType.cs       |  3 ++-
 .../ResolveItems/MemberExpressionResolve.cs   | 26 +++++++++++++++++++
 3 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/UCustom011.cs b/Src/Asp.Net/SqlServerTest/UnitTest/UCustom011.cs
index 4766376f9..beb62c4c5 100644
--- a/Src/Asp.Net/SqlServerTest/UnitTest/UCustom011.cs
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/UCustom011.cs
@@ -18,6 +18,7 @@ namespace OrmTest
             var x2 = db.Queryable<Order>().Select(it => (DateTime.Now - SqlFunc.GetDate().AddDays(-1)).TotalHours).ToList();
             var x3 = db.Queryable<Order>().Select(it => (DateTime.Now - SqlFunc.GetDate().AddHours(-1)).TotalMinutes).ToList();
             var x4 = db.Queryable<Order>().Select(it => (DateTime.Now - SqlFunc.GetDate().AddMinutes(-1)).TotalSeconds).ToList();
+            var x5 = db.Queryable<Order>().Select(it =>it.CreateTime.DayOfWeek).ToList();
             if (x1.Any()) 
             {
                 Check.Exception(x1.First()!=365, "unit error . UCustom011");
diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Common/DateType.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Common/DateType.cs
index 6de1122b4..bb5f71d76 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Common/DateType.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Common/DateType.cs
@@ -14,6 +14,7 @@ namespace SqlSugar
         Hour = 4,
         Second=5,
         Minute=6,
-        Millisecond=7
+        Millisecond=7,
+        Weekday=8
     }
 }
diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
index a950234ea..ad95598fc 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
@@ -23,6 +23,10 @@ namespace SqlSugar
             else if (IsDateDiff(expression))
             {
                 ResolveDateDiff(parameter, isLeft, expression);
+            } 
+            else if (expression.Member.Name== "DayOfWeek"&& expression.Type==typeof(DayOfWeek)) 
+            {
+                ResolveDayOfWeek(parameter, isLeft, expression);
             }
             else if (isHasValue)
             {
@@ -212,6 +216,28 @@ namespace SqlSugar
         #endregion
 
         #region Resolve special member
+        private void ResolveDayOfWeek(ExpressionParameter parameter, bool? isLeft, MemberExpression expression)
+        {
+            var exp = expression.Expression;
+            var value = GetNewExpressionValue(exp);
+            var result = this.Context.DbMehtods.DateValue(new MethodCallExpressionModel()
+            {
+                Args = new List<MethodCallExpressionArgs>() {
+                    
+                      new MethodCallExpressionArgs(){
+                           MemberName=value,
+                            MemberValue=value
+                      },
+                      new MethodCallExpressionArgs(){
+                           MemberName=DateType.Weekday,
+                            MemberValue=DateType.Weekday
+                      }
+                  }
+            }); ;
+            base.AppendMember(parameter, isLeft, result);
+        }
+
+
         private void ResolveDateDiff(ExpressionParameter parameter, bool? isLeft, MemberExpression expression)
         {
             var binaryExp=expression.Expression as BinaryExpression;