フォローしてる人のタイムラインを RSS に変換するやつ

app.rb

require "oauth"
require "json"
require "sinatra"
require "builder"
CONSUMER_KEY = ''
CONSUMER_SECRET = ''

TOKEN = ''
SECRET =''

def consumer
  OAuth::Consumer.new( CONSUMER_KEY, CONSUMER_SECRET, :site => 'http://api.twitter.com')
end

def access_token
  OAuth::AccessToken.new(consumer, TOKEN, SECRET)
end

t = access_token

get "/:id" do
  id = JSON.parse(t.get("/1/users/show.json?screen_name=#{params[:id]}").body)["id"]
  @list = JSON.parse(t.get("/1/statuses/following_timeline.json?include_entities=1&include_available_features=1&contributor_details=true&user_id=#{id}").body)
  builder :rss
end

__END__
@@ rss
xml.instruct!

xml.rss("version"    => "2.0",
        "xmlns:dc"   => "http://purl.org/dc/elements/1.1/",
        "xmlns:atom" => "http://www.w3.org/2005/Atom") do
  xml.channel do
    xml.title       "Followings Timeline of #{params[:id]}"
    xml.link        "http://#{request.host_with_port}/#{params[:id]}"
    xml.pubDate     Time.now.rfc822
    xml.description "SHIT"
    xml.atom :link, "href" => "http://#{request.host_with_port}/#{params[:id]}", "rel" => "self", "type" => "application/rss+xml"

    @list.each do |t|
      xml.item do
        xml.title        "@#{t["user"]["screen_name"]} #{t["text"]}"
        xml.link         "http://twitter.com/#{t["user"]["screen_name"]}/status/#{t["id"]}"
        xml.guid         "http://twitter.com/#{t["user"]["screen_name"]}/status/#{t["id"]}"
        xml.description  "@#{t["user"]["screen_name"]} #{t["text"]}"
        xml.pubDate      Time.parse(t["created_at"]).rfc822
        xml.dc :creator, @author
      end
    end
  end
end