function toFileDto(upload) {
  return {
    filename: upload.filename,
    originalFilename: upload.originalFilename,
    sizeInBytes: upload.sizeInBytes
  };
}

function fileCreationResultDto(filename) {
  return { filename };
}

function fileCreationErrorDto(reason) {
  return { reason };
}

module.exports = {
  toFileDto,
  fileCreationResultDto,
  fileCreationErrorDto
};