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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
extlib_inheritable_accessor(:hidden_actions) { Set.new }
end
private
# Overrides AbstractController::Base#action_method? to return false if the
# action name is in the list of hidden actions.
def action_method?(action_name)
self.class.visible_action?(action_name) do
!hidden_actions.include?(action_name) && super
end
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)
hidden_actions.merge(args.map! {|a| a.to_s })
end
def inherited(klass)
klass.instance_variable_set("@visible_actions", {})
super
end
def visible_action?(action_name)
return @visible_actions[action_name] if @visible_actions.key?(action_name)
@visible_actions[action_name] = yield
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
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