Soft deleting whiteboards

dotnet/AipsCore/Domain/Models/Whiteboard/External/IWhiteboardRepository.cs

@@ -6,4 +6,5 @@ namespace AipsCore.Domain.Models.Whiteboard.External;
 public interface IWhiteboardRepository : IAbstractRepository<Whiteboard, WhiteboardId>
 {
     Task<bool> WhiteboardCodeExists(WhiteboardCode whiteboardCode);
+    Task SoftDeleteAsync(WhiteboardId id, CancellationToken cancellationToken = default);
 }

dotnet/AipsCore/Domain/Models/Whiteboard/Validation/WhiteboardErrors.cs

@@ -38,4 +38,12 @@ public class WhiteboardErrors : AbstractErrors<Whiteboard, WhiteboardId>
         
         return CreateValidationError(code, message);
     }
+    
+    public static ValidationError OnlyOwnerCanDeleteWhiteboard(UserId currentUserId)
+    {
+        string code = "only_owner_can_delete_whiteboard";
+        string message = $"Only owner of whiteboard can delete the whiteboard. Current user id: '{currentUserId}' is not the owner.";
+        
+        return CreateValidationError(code, message);
+    }
 }

dotnet/AipsCore/Domain/Models/Whiteboard/Whiteboard.IsOwnedBy.cs

@@ -0,0 +1,11 @@
+using AipsCore.Domain.Models.User.ValueObjects;
+
+namespace AipsCore.Domain.Models.Whiteboard;
+
+public partial class Whiteboard
+{
+    public bool IsOwnedBy(UserId userId)
+    {
+        return WhiteboardOwnerId.IdValue == userId.IdValue;
+    }
+}