private HttpStatus upsert(Client client, List<GrantedAuthority> authorities) {
HttpStatus status;
User user = new User(client.getUsername(), client.getPassword(), authorities);
if (userDetailsManager.userExists(client.getUsername())) {
userDetailsManager.updateUser(user);
status = HttpStatus.OK;
} else {
userDetailsManager.createUser(user);
status = HttpStatus.CREATED;
}
return status;
}
