Proj. plan, URS v1.01; UML v1; ModelBinding, DataAnnotations, Models start

StudentHouseDashboard/HouseData/Models/Announcement.cs

@@ -0,0 +1,49 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace StudentHouseDashboard.Models
+{
+    public class Announcement : IMessage, IVotable
+    {
+        public List<Comment> Comments
+        {
+            get => default;
+            set
+            {
+            }
+        }
+
+        public int IsImportant
+        {
+            get => default;
+            set
+            {
+            }
+        }
+
+        public int IsSticky
+        {
+            get => default;
+            set
+            {
+            }
+        }
+
+        public string Title { get => throw new NotImplementedException(); set => throw new NotImplementedException(); }
+        public string Description { get => throw new NotImplementedException(); set => throw new NotImplementedException(); }
+        public User Author { get => throw new NotImplementedException(); set => throw new NotImplementedException(); }
+        public DateTime PublishDate { get => throw new NotImplementedException(); set => throw new NotImplementedException(); }
+
+        public void DownVote()
+        {
+            throw new NotImplementedException();
+        }
+
+        public void UpVote()
+        {
+            throw new NotImplementedException();
+        }
+    }
+}