@Override
@Transactional(propagation = Propagation.REQUIRED)
public BookEntity getBookById(int bookId) throws ForbiddenException, NoSuchEntityException {
BookEntity book = bookDao.getNotNull(bookId);
bookAvailabilityService.isBookAvailable(book);
return book;
}
@Override
@Transactional
public Boolean deleteBookToKeyword(int bookId, int authorId)
throws NoSuchEntityException, ForbiddenException {
bookAvailabilityService.isCurrentUsersBook(bookDao.getNotNull(bookId));
return bookKeywordDao.delete(bookId, authorId);
}
@Override
@Transactional
public Boolean deleteBookToAuthor(int bookId, int authorId)
throws NoSuchEntityException, ForbiddenException {
bookAvailabilityService.canDeleteRelationshipToAuthor(bookDao.getNotNull(bookId), authorId);
return bookAuthorDao.delete(bookId, authorId);
}
@Override
@Transactional(propagation = Propagation.REQUIRED)
public Boolean deleteBook(int bookId) throws NoSuchEntityException, ForbiddenException {
BookEntity book = bookDao.getNotNull(bookId);
bookAvailabilityService.isBookAvailable(book);
book.setStatus(BookStatusesEnum.DELETED);
return bookDao.update(book).getStatus().equals(BookStatusesEnum.DELETED);
}
@Override
@Transactional(propagation = Propagation.REQUIRED)
public List<BookEntity> getBooks(int offset, int limit)
throws NoSuchEntityException, NotSupportedFieldException, ForbiddenException,
AuthRequiredException {
sessionUtils.allowedForUserWithRole(RolesEnum.admin);
List<BookEntity> books = bookDao.getNotNull(offset, limit);
return books;
}
@Override
@Transactional
public boolean changeStatus(int id, BookStatusesEnum status)
throws NoSuchEntityException, ForbiddenException, WrongStatusException {
if (status == null) throw new WrongStatusException();
BookEntity book = bookDao.getNotNull(id);
bookAvailabilityService.isStatusChangeAvailable(book, status);
book.setStatus(status);
if (status == BookStatusesEnum.ACTIVE) book.setDateChanged(new Date());
book = bookDao.update(book);
return book != null;
}
@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 Set<BookOnPortalEntity> getBookPortals(int bookId) throws NoSuchEntityException {
BookEntity book = bookDao.getNotNull(bookId);
try {
bookAvailabilityService.isCurrentUsersBook(book);
return book.getBookPortals();
} catch (ForbiddenException e) {
if (book.getBookPortals() == null || book.getBookPortals().size() == 0) return null;
Set<BookOnPortalEntity> list = new HashSet<BookOnPortalEntity>();
for (BookOnPortalEntity portal : book.getBookPortals())
if (BookPortalStatusEnum.ACTIVE.equals(portal.getStatus())) list.add(portal);
return list;
}
}
@Override
public int countBookComments(int bookId) throws NoSuchEntityException {
bookDao.getNotNull(bookId);
return bookCommentDao.count(bookId).intValue();
}
