Automagic Twitter client for The Compleat Rubyist

twitter.rb

require 'rest_client'
require 'json'

class Twitter
  def initialize(username)
    @username = username
  end
  
  def timeline
    raw_json = RestClient.get "http://api.twitter.com/1/statuses/user_timeline.json?screen_name=#{@username}"
    json_array = JSON.parse raw_json
    json_array.map {|tweet_hash| Tweet.new(tweet_hash)}
  end
end

class Tweet
  def initialize(tweet_hash)
    @tweet_hash = tweet_hash
    @tweet_hash.keys.each do |key|
      self.singleton_class.class_eval do
        define_method(key) do
          @tweet_hash[key.to_s]
        end
      end
    end
  end
end