/// <summary>
/// Сохранить изображения подписи асинхронно
/// </summary>
private async Task <IResultValue <ISignatureFile> > ToSignatureFileAsync(ISignatureFileData signatureFileData,
string signatureFolder) =>
await _fileSystemOperations.SaveFileFromByte(FilePathOperations.CombineFilePath(signatureFolder, signatureFileData.PersonId,
SignatureFile.SaveFormat),
signatureFileData.SignatureSource.ToArray()).
ResultValueOkAsync(filePath => new SignatureFile(signatureFileData.PersonId, signatureFileData.PersonInformation,
signatureFolder, signatureFileData.IsVerticalImage));
/// <summary>
/// Преобразовать подпись из трансферной модели и сохранить файл подписи
/// </summary>
private IResultValue <ISignatureFile> SignatureFileFromDto(SignatureDto signatureDto, string signatureFolder) =>
SignatureFile.GetFilePathByFolder(signatureFolder, signatureDto.PersonId, false).
Map(signatureFilePath =>
_fileSystemOperations.SaveFileFromByte(signatureFilePath, signatureDto.SignatureSourceList).WaitAndUnwrapException().
ResultValueOk(_ => new SignatureFile(signatureDto.PersonId, PersonInformationFromDto(signatureDto.PersonInformation),
signatureFilePath, false)));