class Spaceship::Tunes::AppRatings

def unfold_store_fronts(attrs)
  unfolded_store_fronts = {}
  attrs.each do |info|
    unfolded_store_fronts[info['countryCode']] = AppRatingSummary.new(info['ratings'])
  end
  instance_variable_set(:@store_fronts, unfolded_store_fronts)
end