enum UploadStrategy {
  // uploader will only try to upload the file in a collection if the file is
  // not already uploaded
  ifMissing,
  // alwaysUpload will always try to upload or add the file to given collection
  always,
  other,
}

int getInt(UploadStrategy uploadType) {
  switch (uploadType) {
    case UploadStrategy.ifMissing:
      return 0;
    case UploadStrategy.always:
      return 1;
    default:
      return -1;
  }
}

UploadStrategy getUploadType(int uploadType) {
  switch (uploadType) {
    case 0:
      return UploadStrategy.ifMissing;
    case 1:
      return UploadStrategy.always;
    default:
      return UploadStrategy.other;
  }
}