require 'feedbuilder-rails'
require 'will_paginate' # to get paging links

FeedBuilder.feed_id_domain = 'maz.org'

class Nug < ActiveRecord::Base
  acts_as_feed_provider

  def entry_title
    name # a persistent attribute
  end

  def entry_summary
    Atom::Content::Text.new("A nug named #{name}")
  end

  def entry_content
    Atom::Content::Html.new("<p>A nug named #{name}</p>")
  end
end

class NugsController < ApplicationController
  def index
    respond_to do |format|
      format.atom do
        nugs = Nug.paginate(:page => (params[:page] || 1), :page_size => (params[:page_size] || 10))
        send_feed("nugs.atom", :etag => nugs) do
          url_builder = feed_url_builder(root_url, nugs_url)
          options = {:feed_title => "Bucket o' nugs", :feed_id_path => nugs_path}
          Nug.build_feed(nugs, url_builder, options) do |nug, entry|
             entry.id = Nug.feed_tag_uri(nug_path(nug), :date => nug.created_at)
             entry.links << Atom::Link.new(:href => nug_url(nug), :rel => :alternate, :type => 'text/html')
          end
        end
      end
    end
  end
end