Merge pull request #3 from csantero/serialize-enums

serialize enums

Author: SphtKr

JSONAPI.Tests/Json/JsonApiMediaFormaterTests.cs

@@ -73,6 +73,11 @@ public void SetupModels()
 
         }
 
+        private enum TestEnum
+        {
+            
+        }
+
         [TestMethod]
         public void CanWritePrimitiveTest()
         {
@@ -89,6 +94,8 @@ public void CanWritePrimitiveTest()
             Assert.IsTrue(formatter.CanWriteTypeAsPrimitive(typeof(DateTime?)), "CanWriteTypeAsPrimitive returned wrong answer for nullable DateTime!");
             Assert.IsTrue(formatter.CanWriteTypeAsPrimitive(typeof(DateTimeOffset?)), "CanWriteTypeAsPrimitive returned wrong answer for nullable DateTimeOffset!");
             Assert.IsTrue(formatter.CanWriteTypeAsPrimitive(typeof(Guid?)), "CanWriteTypeAsPrimitive returned wrong answer for nullable Guid!");
+            Assert.IsTrue(formatter.CanWriteTypeAsPrimitive(typeof(TestEnum)), "CanWriteTypeAsPrimitive returned wrong answer for enum!");
+            Assert.IsTrue(formatter.CanWriteTypeAsPrimitive(typeof(TestEnum?)), "CanWriteTypeAsPrimitive returned wrong answer for nullable enum!");
             Assert.IsFalse(formatter.CanWriteTypeAsPrimitive(typeof(Object)), "CanWriteTypeAsPrimitive returned wrong answer for Object!");
         }
 

JSONAPI/Json/JsonApiFormatter.cs

@@ -55,6 +55,10 @@ public bool CanWriteTypeAsPrimitive(Type objectType)
                 || typeof(System.DateTime?).IsAssignableFrom(objectType)
                 || typeof(System.DateTimeOffset?).IsAssignableFrom(objectType)
                 || typeof(String).IsAssignableFrom(objectType)
+                || objectType.IsEnum
+                || (objectType.IsGenericType &&
+                    objectType.GetGenericTypeDefinition() == typeof(Nullable<>) &&
+                    objectType.GetGenericArguments()[0].IsEnum)
                 )
                 return true;
             else return false;