/** {@inheritDoc} */
@Override
public Hub add(Hub hub, User author) throws DuplicateHubNameException {
if (hubDao.getByHubName(hub.getName()) != null) {
throw new DuplicateHubNameException(hub.getName());
}
hub.setRating(0);
hub.setAuthor(author);
hubDao.save(hub);
return hub;
}
/** {@inheritDoc} */
@Override
public Set<String> getNamesOfHubsAvailableToUser(User user) {
Set<String> publicHubs = new LinkedHashSet<String>();
for (Hub hub : hubDao.getAllPublicHubs()) {
publicHubs.add(hub.getName());
}
List<String> ownHubs = new ArrayList<String>();
for (Hub hub : hubDao.getHubsOfUser(user.getUserName())) {
ownHubs.add(hub.getName());
}
publicHubs.addAll(ownHubs);
return publicHubs;
}
/** {@inheritDoc} */
@Override
public Hub updateRating(Hub hub, VoiceValue voiceValue) {
hub.setRating(
VoiceValue.NEGATIVE.equals(voiceValue) ? hub.getRating() - 1 : hub.getRating() + 1);
return hub;
}