Fix crash in alias settings page (#18004)

diff --git a/app/models/account_alias.rb b/app/models/account_alias.rb
index 3d659142a05548022c60f04e72591c836cdecde3..b421c66e211df1cf10e782bd0cf6cf961b26ac15 100644 (file)
--- a/app/models/account_alias.rb
+++ b/app/models/account_alias.rb
@@ -28,6 +28,11 @@ class AccountAlias < ApplicationRecord
     super(val.start_with?('@') ? val[1..-1] : val)
   end
 
+  def pretty_acct
+    username, domain = acct.split('@')
+    domain.nil? ? username : "#{username}@#{Addressable::IDNA.to_unicode(domain)}"
+  end
+
   private
 
   def set_uri