GroupMembershipFacade.java
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package fi.insomnia.bortal.facade;
import java.util.List;
import javax.ejb.EJB;
import javax.ejb.LocalBean;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Path;
import javax.persistence.criteria.Root;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import fi.insomnia.bortal.beans.EventBeanLocal;
import fi.insomnia.bortal.model.GroupMembership;
import fi.insomnia.bortal.model.GroupMembership_;
import fi.insomnia.bortal.model.PlaceGroup;
import fi.insomnia.bortal.model.PlaceGroup_;
import fi.insomnia.bortal.model.Place_;
import fi.insomnia.bortal.model.User;
import fi.insomnia.bortal.utilities.PasswordFunctions;
@Stateless
@LocalBean
public class GroupMembershipFacade extends IntegerPkGenericFacade<GroupMembership> {
private static final Logger logger = LoggerFactory.getLogger(GroupMembershipFacade.class);
@PersistenceContext
private EntityManager em;
@EJB
private EventBeanLocal eventbean;
public GroupMembershipFacade() {
super(GroupMembership.class);
}
@Override
protected EntityManager getEm() {
return em;
}
public String createInviteToken() {
String token = null;
GroupMembership gm = null;
do {
if (token != null) {
logger.info("Generated token {} found from GoupMembership: {} Generating new!", token, gm);
}
token = eventbean.getCurrentEvent().getId().toString();
token += PasswordFunctions.generateRandomString(15);
gm = findByToken(token);
} while (gm != null);
return token;
}
public GroupMembership findByToken(String token) {
CriteriaBuilder cb = em.getCriteriaBuilder();
CriteriaQuery<GroupMembership> cq = cb.createQuery(GroupMembership.class);
Root<GroupMembership> root = cq.from(GroupMembership.class);
cq.where(cb.equal(root.get(GroupMembership_.inviteToken), token),
cb.equal(root.get(GroupMembership_.placeGroup).get(PlaceGroup_.event), eventbean.getCurrentEvent())
);
// TypedQuery<GroupMembership> q =
// em.createQuery("Select gm from GroupMembership gm where gm.inviteToken = :token ",
// GroupMembership.class);
// q.setParameter("token", token);
return getSingleNullableResult(em.createQuery(cq));
}
public List<GroupMembership> findMemberOrCreator(User user) {
CriteriaBuilder cb = em.getCriteriaBuilder();
CriteriaQuery<GroupMembership> cq = cb.createQuery(GroupMembership.class);
Root<GroupMembership> root = cq.from(GroupMembership.class);
Path<PlaceGroup> pg = root.get(GroupMembership_.placeGroup);
cq.where(
cb.or(cb.equal(root.get(GroupMembership_.user), user),
cb.equal(pg.get(PlaceGroup_.creator), user)
),
cb.equal(pg.get(PlaceGroup_.event), eventbean.getCurrentEvent())
);
cq.orderBy(cb.asc(root.get(GroupMembership_.placeReservation).get(Place_.name)));
// TypedQuery<GroupMembership> p =
// em.createQuery("select gm from GroupMembership gm where gm.id.eventId = :eventid and (gm.placeGroup.creator = :user or gm.user = :user) order by gm.placeReservation.name",
// GroupMembership.class);
// p.setParameter("eventid", event.getId());
// p.setParameter("user", user);
return em.createQuery(cq).getResultList();
}
public List<GroupMembership> findMemberships(User user) {
CriteriaBuilder cb = em.getCriteriaBuilder();
CriteriaQuery<GroupMembership> cq = cb.createQuery(GroupMembership.class);
Root<GroupMembership> root = cq.from(GroupMembership.class);
Path<PlaceGroup> pg = root.get(GroupMembership_.placeGroup);
cq.where(cb.equal(root.get(GroupMembership_.user), user),
cb.equal(pg.get(PlaceGroup_.event), eventbean.getCurrentEvent())
);
return em.createQuery(cq).getResultList();
// TypedQuery<GroupMembership> p =
// em.createQuery("select gm from GroupMembership gm where gm.id.eventId = :eventid and gm.user = :user",
// GroupMembership.class);
// p.setParameter("eventid", event.getId());
// p.setParameter("user", user);
// return p.getResultList();
}
}