1 files changed, 18 insertions, 0 deletions
diff --git a/BackEnd/Timeline/Models/Validation/TimelinePostContentTypeValidator.cs b/BackEnd/Timeline/Models/Validation/TimelinePostContentTypeValidator.cs
new file mode 100644
index 00000000..483cce06
--- /dev/null
+++ b/BackEnd/Timeline/Models/Validation/TimelinePostContentTypeValidator.cs
@@ -0,0 +1,18 @@
+using System;
+
+namespace Timeline.Models.Validation
+{
+    public class TimelinePostContentTypeValidator : StringSetValidator
+    {
+        public TimelinePostContentTypeValidator() : base(TimelinePostContentTypes.AllTypes) { }
+    }
+
+    [AttributeUsage(AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Parameter, AllowMultiple = false)]
+    public class TimelinePostContentTypeAttribute : ValidateWithAttribute
+    {
+        public TimelinePostContentTypeAttribute() : base(typeof(TimelinePostContentTypeValidator))
+        {
+
+        }
+    }
+}