Add Foorum reference to Post domain object

DAL/Domain/Post.cs

@@ -12,5 +12,8 @@ namespace DAL.Domain
         public DateTime CreationTime { get; set; }
         public string Author { get; set; }
 
+        public int ForumId { get; set; }
+        public Foorum Foorum { get; set; }
+
     }
 }