# Filters added to this controller apply to all controllers in the application. # Likewise, all the methods added will be available for all controllers. class ApplicationController < ActionController::Base include AuthenticatedSystem protect_from_forgery # See ActionController::RequestForgeryProtection for details before_action :set_locale protected def set_locale if params[:locale] && I18n.available_locales.include?(params[:locale].to_sym) I18n.locale = params[:locale].to_sym else params.delete(:locale) end end end