True Twitter Friends

gistfile1.rb

# get union of friends and followers
 def true_twitter_friends
    
    return [] unless self.twitter_token && twitter_token.length > 3
    
    return @twitter_friends_cache if @twitter_friends_cache
    ids = []
    if( !self.twitter_token.blank? )
      friends = []
      followers = []
    
        Twitter.configure do |config|
          config.consumer_key = TWITTER_KEY
          config.consumer_secret = TWITTER_SECRET
          config.oauth_token = self.twitter_token
          config.oauth_token_secret = self.twitter_secret
        end
        client = Twitter::Client.new
        begin
          client.friend_ids.collection.each do |id|
            friends << id
          end
          
          client.follower_ids.collection.each do |id|
            followers << id 
           end
           
           ids = friends.sort & followers.sort
           
           
        rescue Exception => e
          Rails.logger.error("Unable to get twitter friends #{e.message}")
        end
      end
      
      @twitter_friends_cache = ids
      
  end