fee

feed_entry.rb

class FeedEntry < ActiveRecord::Base
  def self.update_from_feed(feed_url)
    feed = Feedzirra::Feed.fetch_and_parse(feed_url)
    add_entries(feed.entries)
  end
  
  def self.update_from_feed_continuously(feed_url, delay_interval = 15.minutes)
    feed = Feedzirra::Feed.fetch_and_parse(feed_url)
    add_entries(feed.entries)
    loop do
      sleep delay_interval
      feed = Feedzirra::Feed.update(feed)
      add_entries(feed.new_entries) if feed.updated?
    end
  end
  
  private
  
  def self.add_entries(entries)
    entries.each do |entry|
      unless exists? :guid => entry.id
        create!(
          :name         => entry.title,
          :summary      => entry.summary,
          :url          => entry.url,
          :published_at => entry.published,
          :guid         => entry.id
        )
      end
    end
  end
end

home.html.erb

<div id="new_songs">
  <h2 class="hype"><%= link_to "New music", 'http://newmusic.com' %></h2>
	<hr />
  <h3>Top 20 new songs</h3>
  <ol>
	
  <% for entry in FeedEntry.all(:limit => 20, :order => "published_at desc") %>
    <li class="posts"><%= link_to h(entry.name), entry.url %></li><br />
  <% end %>

  </ol>
</div>


<div id="new_songs">
	<h2 class="ninja"><%= link_to "Newer music", 'http://newer.com' %></h2>
	<hr />
  <h3>Top 20 new songs</h3>
  <ol>
	
  <% for entry in FeedEntry.all(:limit => 20, :order => "published_at desc") %>
    <li class="posts"><%= link_to h(entry.name), entry.url %></li><br />
  <% end %>

  </ol>
</div>