private string ProcessUploadFile()
        {
            if (Logo == null)
            {
                return(string.Empty);
            }

            var uploadFolder = Path.Combine(HostEnviroment.WebRootPath, "Fotografias");
            var fileName     = $"{Guid.NewGuid()}_{Logo.FileName}";
            var filePath     = Path.Combine(uploadFolder, fileName);

            using (var stream = new FileStream(filePath, FileMode.Create)) { Logo.CopyTo(stream); }

            return(fileName);
        }