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);
	}

	@Override
	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();
	}

	public GroupMembership findToken(String token) {
		TypedQuery<GroupMembership> q = em.createQuery("select gm from GroupMembership gm where gm.inviteEmail = :mail", GroupMembership.class);
		q.setParameter("mail", token);

		return getSingleNullableResult(q);
	}

}