Allow variables

allowing variables in filter

Author: czf

RedditSharp/Search/DefaultSearchFormatter.cs

@@ -38,7 +38,6 @@ string ISearchFormatter.Format(Expression<Func<AdvancedSearchFilter, bool>> sear
                 }
             }
 
-            string searchQuery = string.Empty;
             Stack<string> compoundSearchStack = new Stack<string>();
             while(formatInfoStack.Count >0)
             {
@@ -114,10 +113,23 @@ private void MemberExpressionHelper(MemberExpression expression, Stack<string> s
 
                 }
             }
+            else
+            {
+                searchStack.Push(InvokeGetExpression(expression).ToString());
+            }
         }
 
+        private static object InvokeGetExpression(Expression expression)
+        {
+            var objectMember = Expression.Convert(expression, typeof(object));
+
+            var getterLambda = Expression.Lambda<Func<object>>(objectMember);
+
+            var getter = getterLambda.Compile();
+
+            return getter();
+        }
 
-        
 
 
 

UnitTesting/AdvancedSearchTest.cs

@@ -199,6 +199,24 @@ public void AndNotOrElseTest()
             Assert.AreEqual(expected, actual);
         }
 
+        [TestCategory("AdvancedSearch"), TestMethod]
+        public void StringVariablePropertyTest()
+        {
+            //Arrange
+            string title = "meirl";
+            Expression<Func<AdvancedSearchFilter, bool>>
+                expression = x => x.Title == title;
+            string expected = "title:meirl";
+
+            ISearchFormatter searchFormatter = new DefaultSearchFormatter();
+
+            //Act
+            string actual = searchFormatter.Format(expression);
+
+            //Assert
+            Assert.AreEqual(expected, actual);
+        }
+
         //[TestMethod]
         //[TestCategory("AdvancedSearch")]
         //public void ValueComparison_BoolPropertyTest()