private User save(User user, String modifiedBy) {
		User result = isBlank(user.getPassword()) ? userService.saveWithoutPasswordEncoding(user) : userService.save(user);
		log.info("'{}' is saved(updated) by '{}', info: {}", user.getUserId(), modifiedBy, user.toString());
		return result;
	}
Save or Update user detail info.

@param user        current user
@param updatedUser user to be updated.
ngrinder-controller/src/main/java/org/ngrinder/user/controller/UserApiController.java