class Rtl attr_reader :user def initialize(user) @user = user end def enabled? site_locale_rtl? || current_user_rtl? end def current_user_rtl? SiteSetting.allow_user_locale && user.try(:locale).in?(rtl_locales) end def site_locale_rtl? !SiteSetting.allow_user_locale && SiteSetting.default_locale.in?(rtl_locales) end def rtl_locales %w(he ar ur fa_IR) end def css_class enabled? ? 'rtl' : '' end end