/**
* Removes the relation (and its inverse in case of a bidirectional relation) from the database.
*
* @param relation the relation to be removed
* @throws PortalException if the relation is bidirectional and its inverse relation could not be
* found
* @throws SystemException if a system exception occurred
*/
public void deleteRelation(SocialRelation relation) throws PortalException, SystemException {
socialRelationPersistence.remove(relation);
if (SocialRelationConstants.isTypeBi(relation.getType())) {
SocialRelation biRelation =
socialRelationPersistence.findByU1_U2_T(
relation.getUserId2(), relation.getUserId1(), relation.getType());
socialRelationPersistence.remove(biRelation);
}
}
/**
* Adds a social relation between the two users to the database.
*
* @param userId1 the user that is the subject of the relation
* @param userId2 the user at the other end of the relation
* @param type the type of the relation
* @return the social relation
* @throws PortalException if the users could not be found, if the users were not from the same
* company, or if either of the users was the default user
* @throws SystemException if a system exception occurred
*/
public SocialRelation addRelation(long userId1, long userId2, int type)
throws PortalException, SystemException {
if (userId1 == userId2) {
throw new RelationUserIdException();
}
User user1 = userPersistence.findByPrimaryKey(userId1);
User user2 = userPersistence.findByPrimaryKey(userId2);
if (user1.getCompanyId() != user2.getCompanyId()) {
throw new RelationUserIdException();
}
SocialRelation relation = socialRelationPersistence.fetchByU1_U2_T(userId1, userId2, type);
if (relation == null) {
long relationId = counterLocalService.increment();
relation = socialRelationPersistence.create(relationId);
relation.setCompanyId(user1.getCompanyId());
relation.setCreateDate(System.currentTimeMillis());
relation.setUserId1(userId1);
relation.setUserId2(userId2);
relation.setType(type);
socialRelationPersistence.update(relation);
}
if (SocialRelationConstants.isTypeBi(type)) {
SocialRelation biRelation = socialRelationPersistence.fetchByU1_U2_T(userId2, userId1, type);
if (biRelation == null) {
long biRelationId = counterLocalService.increment();
biRelation = socialRelationPersistence.create(biRelationId);
biRelation.setCompanyId(user1.getCompanyId());
biRelation.setCreateDate(System.currentTimeMillis());
biRelation.setUserId1(userId2);
biRelation.setUserId2(userId1);
biRelation.setType(type);
socialRelationPersistence.update(biRelation);
}
}
return relation;
}