require 'active_support/core_ext/class/attribute' module ActionController # ActionController::HideActions adds the ability to prevent public methods on a controller # to be called as actions. module HideActions extend ActiveSupport::Concern included do class_attribute :hidden_actions self.hidden_actions = Set.new.freeze end private # Overrides AbstractController::Base#action_method? to return false if the # action name is in the list of hidden actions. def method_for_action(action_name) self.class.visible_action?(action_name) && super end module ClassMethods # Sets all of the actions passed in as hidden actions. # # ==== Parameters # *args<#to_s>:: A list of actions def hide_action(*args) self.hidden_actions = hidden_actions.dup.merge(args.map(&:to_s)).freeze end def inherited(klass) klass.class_eval { @visible_actions = {} } super end def visible_action?(action_name) return @visible_actions[action_name] if @visible_actions.key?(action_name) @visible_actions[action_name] = !hidden_actions.include?(action_name) end # Overrides AbstractController::Base#action_methods to remove any methods # that are listed as hidden methods. def action_methods @action_methods ||= Set.new(super.reject { |name| hidden_actions.include?(name) }) end end end end