Active users copied to last valid state upon invalidation

2026-03-09 21:13:21 +01:00
parent e94c54b2ad
commit b10292b880
2 changed files with 15 additions and 3 deletions
--- a/dotnet/AipsRT/Model/Whiteboard/Whiteboard.cs
+++ b/dotnet/AipsRT/Model/Whiteboard/Whiteboard.cs
@@ -14,8 +14,7 @@ public class Whiteboard

    public List<User> ActiveUsers { get; } = [];
    public void AddActiveUser(User user) => ActiveUsers.Add(user);
-    public void RemoveActiveUser(Guid userId) 
-        => ActiveUsers.RemoveAll(u => u.UserId == userId);
+    public void RemoveActiveUser(Guid userId) => ActiveUsers.RemoveAll(u => u.UserId == userId);
    
    public List<Shape> Shapes { get; } = [];

@@ -48,5 +47,11 @@ public class Whiteboard
        TextShapes.Add(shape);
    }

-    public void AddUser(User user) => Users.Add(user);
+    public void AddUser(User user)
+    {
+        if (!Users.Contains(user))
+        {
+            Users.Add(user);
+        }
+    }
 }