Around wrapper to do simple memcached peruser

caching_helper.rb

module CachingHelper

  def self.included(claz)
    claz.extend ClassMethods
  end
  
  module ClassMethods
    def sf_cache(wrapped_method)
      send(:around_filter, :cache_result)
    end
  end

  def cache_result
    key = "#{current_user.id}:#{request.url}"
    if(page = Cache.get(key))
      Rails.logger.debug("CACHE HIT: for #{key}")
      response.body = page
      response.status = 200
      response.content_type = :xml
    else
      yield
      if(request.get? && response.status == "200 OK")
        Rails.logger.debug("CACHE MISS: setting into memcached #{response.body}" )
        Cache.set(key, response.body)
      end
    end
  end
  
  
end