public ActionResult <DocumentId> UploadDocument(DocumentUpload documentUpload)
        {
            int length = 0;

            if (String.IsNullOrEmpty(documentUpload.Text))
            {
                documentUpload.Text = PDFService.GetTextFromPDFBytes(documentUpload.Contents);
                length = documentUpload.Contents.Length;
            }
            else
            {
                length = documentUpload.Text.Length;
            }

            string id = DocumentService.SaveDocumentDataFromText(documentUpload.Email, length, documentUpload.Text);

            if (string.IsNullOrWhiteSpace(id))
            {
                return(NotFound());
            }
            else
            {
                return(Ok(new DocumentId {
                    Id = id
                }));
            }
        }