class ZuoraConnect::AppInstance

def refresh(session = nil)
  response = HTTParty.get(ZuoraConnect.configuration.url + "/api/v1/tools/tasks/#{self.id}.json",:basic_auth => auth = {:username => self.user, :password => self.pass})
  if response.code == 200
    @last_refresh = Time.now.to_i
    build_task(JSON.parse(response.body), session)
  else
    raise "Unauthorized"
  end
end