Rails - Dec 2007 - Module methods with access to controller variables.

My subject is probably not the best description, so here is an example
of what I am trying to do.

class ExampleController < ApplicationController
  include EventManager

  def action
    @name = ''John''
    event(:event, :context) do
      @name << '' Doe''
    end
  end
end

module EventManager
  def event(*args)
    # Retrieve the module based on the parameters.
    # Call EventManager::Event::Context.before if it exists with
access to the variables from where event was called.
    yield if block_given?
    # Call EventManager::Event::Context.after if it exists with access
to the variables from where event was called.
  end

  module Event
    module Context
      def before
        puts "Hi John" if @name == ''John''
      end

      def after
        puts "Who?" if @name != ''John''
      end
    end
  end
end

Basically I want to be able to store methods in nested modules for
separation, but be able to call them dynamically within controller
actions via the event method.

My current solutions involves module_function for all the before and
after methods and retrieving controller information by passing the
controller to each action and using send and instance_variable_get/set
which is less than ideal in my opinion.

Any suggestions, or hints?
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