if (result.hasErrors()){
model.addAttribute("photoUpload", photoUpload);
return "upload_form";
} else {
Photo photo = new Photo();
photo.setTitle(photoUpload.getTitle());
photo.setUpload(photoUpload);
model.addAttribute("upload", uploadResult);
photoRepository.save(photo);
model.addAttribute("photo", photo);
return "upload";
}