Takes an array of facebook graph object ids and assembles them into one batch request

facebook_batch_api.rb

def fb_batch_request(id_array, access_token)
  raise "Array to long (>20)" if id_array.length > 20
  queries = id_array.map { |id| {:method => 'GET', :relative_url => "#{id}"} }
  route = "https://graph.facebook.com/?access_token=#{access_token}&batch=#{URI.encode(queries.to_json)}"
  HTTParty.post(route)
end