GroupMembershipFacade.java

package fi.insomnia.bortal.facade;

import java.util.List;

import javax.ejb.LocalBean;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.TypedQuery;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import fi.insomnia.bortal.model.GroupMembership;
import fi.insomnia.bortal.model.LanEvent;
import fi.insomnia.bortal.model.User;
import fi.insomnia.bortal.utilities.PasswordFunctions;

@Stateless
@LocalBean
public class GroupMembershipFacade extends EventChildGenericFacade<GroupMembership> {

    private static final Logger logger = LoggerFactory.getLogger(GroupMembershipFacade.class);
    @PersistenceContext
    private EntityManager em;

    public GroupMembershipFacade() {
        super(GroupMembership.class);
    }

    protected EntityManager getEm() {
        return em;
    }

    public String createInviteToken(LanEvent event) {
        String token = null;
        GroupMembership gm = null;
        do {
            if (token != null) {
                logger.info("Generated token {} found from GoupMembership: {} Generating new!", token, gm);
            }
            token = event.getId().toString(); 
            token += PasswordFunctions.generateRandomString(15);
            gm = findByToken(token);
        } while (gm != null);
        return token;
    }

    public GroupMembership findByToken(String token) {
        TypedQuery<GroupMembership> q = em.createQuery("Select gm from GroupMembership gm where gm.inviteToken = :token ", GroupMembership.class);
        q.setParameter("token", token);
        return getSingleNullableResult(q);
    }

    public List<GroupMembership> findMemberOrCreator(LanEvent event, User user) {
       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 p.getResultList();
    }
    public List<GroupMembership> findMemberships(LanEvent event, User user) {
        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();
     }
  
}