// 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);
}
private void updateBookFields(Book book, BookDto bookDto) {
book.setAuthor(bookDto.getAuthor());
book.setDescription(bookDto.getDescription());
book.setBookLanguage(bookDto.getLanguage());
book.setPages(bookDto.getPages());
book.setTitle(bookDto.getTitle());
book.setYear(bookDto.getYear());
String categoryId = null;
if (!bookDto.getCategory().equals("default")) categoryId = bookDto.getCategory();
book.setCategory(categoryId);
}
@Override
public Book save(Book book) {
bookDao.add(book);
deleteBookFromCategories(book.getId());
if (book.getCategory() != null && categoryDao.get(book.getCategory()) != null) {
Category category = categoryDao.get(book.getCategory());
HashSet<String> booksSet = category.getBooks();
if (booksSet == null) booksSet = new HashSet<String>();
booksSet.add(book.getId());
category.setBooks(booksSet);
categoryDao.add(category);
}
bookDao.add(book);
return get(book.getId());
}
@Override
public void delete(Book book) {
deleteBookFromCategories(book.getId());
bookDao.delete(book);
}