role_extension.rb

module KeepUp
  module Permissions
    module RoleExtension
      def self.included(klass)
        klass.class_eval do
          include KeepUp::Permissions::CommonMethods
        	include KeepUp::Permissions::Language

        	has_and_belongs_to_many :users, :join_table => :user_roles
        	has_one :permission, :as => :authorizable
        	
        	alias :has_permission? :has_local_permission?
        	alias :can? :has_local_permission?
        	
        	after_create :create_permission
        	accepts_nested_attributes_for :permission
      	end
    	end
  	end
	end
end