public Photo(PhotoId photoId, UserId userId, string fileName, byte[] fileUpload)
{
PhotoId = photoId;
UserId = userId;
FileName = FieldChecker.NotEmpty(fileName);
ImageSource = ImageSource.Upload;
}
public Photo(PhotoId photoId, UserId userId, string url)
{
PhotoId = photoId;
UserId = userId;
Url = FieldChecker.NotEmpty(url);
ImageSource = ImageSource.Url;
FileName = Path.GetFileName(url);
}