X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/09c5740b5bb94c75a5c8c83cdbb80ae7b5ccbdf4..64816e50b57ced52f5fb0082f97b2844e002cf11:/app/models/user_role.rb

diff --git a/app/models/user_role.rb b/app/models/user_role.rb
index efa540fec..adf569a03 100644
--- a/app/models/user_role.rb
+++ b/app/models/user_role.rb
@@ -1,8 +1,29 @@
-class UserRole < ActiveRecord::Base
-
-  ALL_ROLES = ['administrator', 'moderator']
+# == Schema Information
+#
+# Table name: user_roles
+#
+#  id         :integer          not null, primary key
+#  user_id    :integer          not null
+#  role       :enum             not null
+#  created_at :datetime
+#  updated_at :datetime
+#  granter_id :integer          not null
+#
+# Indexes
+#
+#  user_roles_id_role_unique  (user_id,role) UNIQUE
+#
+# Foreign Keys
+#
+#  user_roles_granter_id_fkey  (granter_id => users.id)
+#  user_roles_user_id_fkey     (user_id => users.id)
+#
 
-  validates_inclusion_of :role, :in => ALL_ROLES
+class UserRole < ActiveRecord::Base
   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