class Spaceship::Tunes::AppVersionCommon

def find_platform(versions)
  # We only support platforms that exist ATM
  platform = versions.detect do |p|
    ['ios', 'osx', 'appletvos'].include? p['platformString']
  end
  raise "Could not find platform ios, osx or appletvos for app #{app_id}" unless platform
  # If your app has versions for both iOS and tvOS we will default to returning the iOS version for now.
  # This is intentional as we need to do more work to support apps that have hybrid versions.
  if versions.length > 1
    platform = versions.detect { |p| p['platformString'] == "ios" }
  end
  platform
end

def find_version_id(platform, is_live)
  version = platform[(is_live ? 'deliverableVersion' : 'inFlightVersion')]
  return nil unless version
  version['id']
end