Initializer for cancan within Netzke in order to use cancan helpers

cancan.rb

# Initializer for cancan
# 
# Extend Netzke::Base class in order to be able to include cancan helpers
class Netzke::Base
  
  # cancan calls helper_method, which is present in any controller, but not in a netzke components
  def self.helper_method(*args)
    # Do nothing since we don't have a view layer in netzke components
  end
  
  # This method is overwritten in respect to current_user in netzke components  
  def current_ability
    @current_ability ||= Ability.new(Netzke::Core.current_user)
  end
end

# Add cancan helper methods to Netzke Components, e.g. can?, cannot? or authorize!
Netzke::Base.class_eval do
  include CanCan::ControllerAdditions
end