FeedBurner Api - извличане статистика за "feed"

app/models/feed_burner.rb

class FeedBurner
  include HTTParty
  base_uri 'feedburner.google.com'  
  format :xml

  def self.get_feed_stats(uri)
    get('/awareness/1.0/GetFeedData', :query => {:uri => uri})       
  end
  ...
end

Controller:
stats = FeedBurner.get_feed_stats("[feed_uri]")

config/environment.rb
...
config.gem "httparty"
...