controller_actions.rb

#!/usr/bin/env ruby
require File.dirname(__FILE__) + '/../config/boot'
require "#{RAILS_ROOT}/config/environment"

crud_actions = [ "index", "show", "new", "edit", "create", "update", "destroy" ]
# Force all the controllers in the application to be loaded.
Dir['app/controllers/**/*_controller.rb'].each { |f| load f }

all_controllers = ObjectSpace.each_object.select do |object|
  object.class == Class && object.name =~ /Controller$/
end

leaf_controllers = all_controllers - all_controllers.map { |controller| controller.superclass }
controllers = leaf_controllers.sort_by { |a| a.name }

def controller_actions(controller)
  controller.public_instance_methods -
          (controller.ancestors - [controller]).map { |a| a.public_instance_methods }.flatten
end

puts "# All controller actions"
puts

controllers.each do |controller|
  actions = controller_actions(controller)
  actions.sort.each do |action|
    puts "#{controller.name}##{action}"
  end
end

puts
puts "# Non-REST controller actions"
puts

controllers.each do |controller|
  actions = controller_actions(controller) - crud_actions
  actions.sort.each do |action|
    puts "#{controller.name}##{action}"
  end
end