mb_fetch.rb

def self.fetch_studio_schedule(*opts)
    options = opts.extract_options!
    start_date = options[:start_date] || Date.today
    end_date = options[:end_date] || Date.today + 2.weeks

    message = {
        StartDateTime: start_date,
        EndDateTime: end_date,
        HideCanceledClasses: false
    }
    message['100000004'] = options[:user_id] unless options[:user_id].nil?
    res = MindBody::Services::ClassService.get_classes(message)
    classes =  res.result[:classes]

    return classes
  end