gistfile1.rbx

class FeedController < ApplicationController
  after_filter  :remember_cache
  before_filter :check_for_cache

  def blog
    @blogs = Blog.last_few_blogs 10
    response.headers["Content-Type" ] = "text/xml;"
    render :layout => false
  end

  def products
     @product = Product.current_product_for_sale
     response.headers["Content-Type" ] = "text/xml;"
     render :layout => false
  end

  def magazine
     @product = Magazine.current
     response.headers["Content-Type" ] = "text/xml;"
     render :layout => false, :action => 'products'
  end

  def bottom_feeder
    @product = BottomFeeder.current
    render :layout => false
  end

  private

  def check_for_cache
    result = CACHE.get(cache_location)
    if result
      render :xml => result
      return false
    end
  end

  def remember_cache
    CACHE.set(cache_location, response.body, 60)
  end

  def cache_location
    "feeds:" + @action_name
  end

end