@Transactional(readOnly = false)
@RequestMapping(
value = "/edit",
method = {RequestMethod.POST, RequestMethod.GET})
public void editor(
@RequestParam String oper,
@RequestParam(required = false) Long id,
Contact contacts,
BindingResult result,
HttpServletResponse response)
throws IOException {
if (result.hasErrors()) {
response.sendError(400, result.toString());
return;
}
switch (oper) {
case "add":
contactRepository.save(contacts);
response.setStatus(200);
break;
case "edit":
Contact fromDB = contactRepository.getOne(contacts.getContactId());
if (fromDB != null) {
if (contacts.getVersion() >= fromDB.getVersion()) {
contactRepository.save(contacts);
response.setStatus(200);
} else {
response.sendError(406, "ANOTHER TRANSACTION MODIFICATION");
}
} else {
response.sendError(406, "NO CONTACT TYPE FOUND");
}
break;
case "del":
if (id != null) {
contactRepository.delete(id);
response.setStatus(200);
}
break;
default:
response.sendError(406, "UNKNOWN OPERATION");
}
}
