A Minimalist Facebook FQL Client in Ruby

fql.rb

require "rubygems"
require "open-uri"
require "rack/utils"
require "json"

class Fql
  
  class << self
    attr_accessor :base_url
  end
  
  self.base_url = "https://api.facebook.com/method/"
  
  attr :access_token
  
  def initialize access_token
    @access_token = access_token
  end
  
  def query q
    request("fql.query", {:query => q, :access_token => access_token, :format => "json"})
  end
  
  def request method, params
    response = open "#{self.class.base_url}#{method}?#{build_query(params)}"
    JSON.parse response.read
  end
  
  def build_query params
    @helper ||= Object.new.extend(Rack::Utils)
    @helper.send :build_query, params
  end
  
end

# fql = Fql.new("token-here")
# response = fql.query(
#   "SELECT uid, name, pic_square
#   FROM user WHERE uid = me()
#   OR uid IN (SELECT uid2 FROM friend WHERE uid1 = me()) limit 2,1")
# puts response.inspect