Initial commit.

Wino.Core.Domain/Exceptions/AuthenticationAttentionException.cs

@@ -0,0 +1,19 @@
+using System;
+using Wino.Core.Domain.Entities;
+
+namespace Wino.Core.Domain.Exceptions
+{
+    /// <summary>
+    /// Thrown when IAuthenticator requires user interaction to fix authentication issues.
+    /// It can be expired and can't restorable token, or some stuff that requires re-authentication.
+    /// </summary>
+    public class AuthenticationAttentionException : Exception
+    {
+        public AuthenticationAttentionException(MailAccount account)
+        {
+            Account = account;
+        }
+
+        public MailAccount Account { get; }
+    }
+}