provide 'title', 'Pools'
atom_feed ['root_url' => url_for('controller' => 'pool', 'action' => 'index', 'only_path' => false]) do |feed|
  feed.title atom_title
  feed.updated $this->pools.first.created_at if $this->pools.length > 0
  $this->samples.each do |pool, post|
    sample = post
    pool_url = url_for 'controller' => 'pool', 'action' => 'show', 'id' => pool.id, 'only_path' => false, 'format' => nil
    pool_preview_url = URI.join root_url('only_path' => false), sample.preview_url
    feed.entry pool, 'url' => pool_url, 'updated' => pool.created_at do |entry|
      entry.link 'href' => pool_preview_url, 'rel' => 'enclosure'
      entry.title pool.pretty_name
      entry.summary pool.description unless !pool.description
      entry.content render('partial' => 'pool_atom', ['formats' => 'html', 'locals' => ['pool' => pool, 'sample' => sample, 'pool_url' => pool_url]]), 'type' => 'html'
    end
  end
end