+# == Schema Information
+#
+# Table name: user_blocks
+#
+# id :integer not null, primary key
+# user_id :integer not null
+# creator_id :integer not null
+# reason :text not null
+# ends_at :datetime not null
+# needs_view :boolean default(FALSE), not null
+# revoker_id :integer
+# created_at :datetime
+# updated_at :datetime
+# reason_format :enum default("markdown"), not null
+#
+# Indexes
+#
+# index_user_blocks_on_user_id (user_id)
+#
+# Foreign Keys
+#
+# user_blocks_moderator_id_fkey (creator_id => users.id)
+# user_blocks_revoker_id_fkey (revoker_id => users.id)
+# user_blocks_user_id_fkey (user_id => users.id)
+#
+
class UserBlock < ActiveRecord::Base
validate :moderator_permissions