gistfile1.rb

# lib/social_networking.rb
class TwitterConnect
  require 'twitter'
  def self.tweet(message)
    oauth = Twitter::OAuth.new('xxx','yyy')
    oauth.authorize_from_access('zzz', 'aaa')
    client = Twitter::Base.new(oauth)
    client.update(message)
  end
end

class Bitly
  include HTTParty
  base_uri 'api.bit.ly'
  basic_auth 'factore', 'bitly-api-key'
  format :json
  def self.shorten(url)
    response = get('/shorten', :query => required_params.merge(:longUrl => url))
    response['results'][url]['shortUrl']
  end
  
  def self.required_params
    {:version => "2.0.1"}
  end
end


# In your after_save hook
  def publish_to_networks
    require 'social_networking'
    url = bitly_url
    TwitterConnect.tweet("New Post! -- #{self.title} #{url}")
    Mailer::deliver_facebook_update("New Post! -- #{self.title} #{url}") unless Settings.facebook_email.blank?
    self.published_to_networks = true and self.save
  end

# In Mailer - No view needed
def facebook_update(message)
  recipients Settings.facebook_email
  subject message
  body  ""
end