X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/09c5740b5bb94c75a5c8c83cdbb80ae7b5ccbdf4..396f2e28dd27d514f7882c3918103b12764038de:/app/models/user_role.rb

diff --git a/app/models/user_role.rb b/app/models/user_role.rb
index efa540fec..967850145 100644
--- a/app/models/user_role.rb
+++ b/app/models/user_role.rb
@@ -1,8 +1,8 @@
 class UserRole < ActiveRecord::Base
-
-  ALL_ROLES = ['administrator', 'moderator']
-
-  validates_inclusion_of :role, :in => ALL_ROLES
   belongs_to :user
+  belongs_to :granter, :class_name => "User"
+
+  ALL_ROLES = %w[administrator moderator].freeze
 
+  validates :role, :inclusion => ALL_ROLES, :uniqueness => { :scope => :user_id }
 end