@Override
@Transactional
public List<AuthorEntity> getBookAuthors(int id) throws NoSuchEntityException {
BookEntity book = bookDao.getNotNull(id);
List<AuthorEntity> list = Lists.newArrayList();
if (book.getBookToAuthor() != null) {
for (BookAuthorEntity b2a : book.getBookToAuthor()) list.add(b2a.getAuthor());
}
return list;
}
@Override
@Transactional
public List<KeywordEntity> getBookKeywords(int bookId) throws NoSuchEntityException {
BookEntity bookEntity = bookDao.getNotNull(bookId);
List<KeywordEntity> res = null;
if ((bookEntity != null)
&& (bookEntity.getBookToKeywords() != null)
&& (bookEntity.getBookToKeywords().size() > 0)) {
res = new ArrayList<KeywordEntity>();
for (BookKeywordEntity key : bookEntity.getBookToKeywords()) res.add(key.getKeyword());
}
return res;
}
@Override
@Transactional(propagation = Propagation.REQUIRED)
public Boolean deleteBook(
Set<Integer> books_id, Set<Integer> authors_id, Set<Integer> publishers_id)
throws NoSuchEntityException, ForbiddenException {
List<BookEntity> booksToDelete = Lists.newArrayList();
if (CollectionUtils.isNotEmpty(books_id)) {
booksToDelete.addAll(bookDao.get(books_id));
}
if (CollectionUtils.isNotEmpty(authors_id)) {
booksToDelete.addAll(bookDao.getBooksByAuthor(authors_id));
}
if (CollectionUtils.isNotEmpty(publishers_id)) {
booksToDelete.addAll(bookDao.getBooksByPublisher(publishers_id));
}
if (CollectionUtils.isEmpty(booksToDelete)) {
throw new NoSuchEntityException(BookEntity.class.getName());
}
return setStatusAndUpdate(booksToDelete, BookStatusesEnum.DELETED);
}
@Override
@Transactional(propagation = Propagation.REQUIRED)
public List<BookEntity> getBooksByIds(
Iterable<Integer> ids, int count, BookStatusesEnum statusEnum)
throws NotSupportedFieldException, NoSuchEntityException, ForbiddenException {
if (ids == null || !ids.iterator().hasNext()) return Lists.newArrayList();
List<Criterion> criterions = Lists.newArrayList();
if (statusEnum != null) {
criterions.add(Restrictions.eq("status", statusEnum));
} else {
criterions.add(Restrictions.eq("status", BookStatusesEnum.ACTIVE));
}
criterions.add(Restrictions.in("id", Lists.newArrayList(ids)));
List<BookEntity> res = bookDao.get(0, count, criterions);
if (sessionUtils.isUserWithAnotherRole(RolesEnum.admin)) {
if (statusEnum != null && !BookStatusesEnum.ACTIVE.equals(statusEnum)) {
bookAvailabilityService.areBooksAvailable(res);
}
}
return res;
}