app/models/setting.rb
class Setting < ActiveRecord::Base
def self.data_attributes
[:hostname, :site_name, :juvia_site_key, :juvia_server_url, :juvia_include_css, :juvia_comment_order, :api_throttle_per_minute,
:mail_sender, :mail_address, :mail_port, :mail_domain, :mail_authentication, :mail_user_name, :mail_password,
:exception_recipients, :artifacts_per_page]
end
store_accessor :data, Setting.data_attributes
end