gistfile1.rb

class InlineFormsController < ApplicationController
  def self.cancan_enabled?
    return @cancan_enabled if instance_variables.include?(:@cancan_enabled)
    ::Ability
    @cancan_enabled = true
  rescue NameError
    @cancan_enabled = false
  end

  def cancan_enabled?
    self.class.cancan_enabled?
  end

  helper :cancan_enabled?

  load_and_authorize_resource if cancan_enabled?

  include InlineFormsHelper
end