gistfile1.rb

    get '/twitter/:name' do
      content_type :json
      sorted_influencers(params[:name])
    end

    def sorted_influencers(name)
        # get first 2 tweets
      tweets = client.user_timeline(name)[0,1]
      # for each tweet, get the retweeters
      arr = tweets.map do |tweet|
        #puts tweet.to_hash
        client.retweeters_of(tweet.id).each_with_object({}) do |retweeter,hash|
          hash[:name] = retweeter.name
          hash[:followers_count] = retweeter.followers_count
        end
      end
      # remove the duplicates and sort on the users with the most followers,
      sorted_influencers = arr.sort_by { |hsh| hsh[:followers_count] }
      sorted_influencers.reverse!
      sorted_influencers[0..9].to_s
    end