return this.accountRepository
				.findByUsername(userId)
				.map(account -> {
					Bookmark result = bookmarkRepository.save(new Bookmark(account,
							input.uri, input.description));

					URI location = ServletUriComponentsBuilder
						.fromCurrentRequest().path("/{id}")
						.buildAndExpand(result.getId()).toUri();

					return ResponseEntity.created(location).build();
				})
				.orElse(ResponseEntity.noContent().build());