private void delete(String bookId) { User user = ProfileController.getAuthenticatedUser(); user.getBooks().remove(bookId); userService.save(user); ProfileController.authenticateUser(user); }
// lazy removing private void updateUsersBooks(List<Book> books) { List<String> changedList = new ArrayList<String>(); for (Book b : books) changedList.add(b.getId()); User user = ProfileController.getAuthenticatedUser(); user.setBooks(changedList); userService.save(user); ProfileController.authenticateUser(user); }
@RequestMapping(value = "/library/add", method = RequestMethod.GET) public String addBookToLibrary(@RequestParam(required = true) String id) { User user = (User) ProfileController.getAuthenticatedUser(); if (user.getBooks() == null || !user.getBooks().contains(id)) user.addBook(id); userService.save(user); ProfileController.authenticateUser(user); return "redirect:/library"; }