EventBean.java
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package fi.insomnia.bortal.beans;
import javax.ejb.EJB;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import fi.insomnia.bortal.exceptions.PermissionDeniedException;
import fi.insomnia.bortal.facade.EventFacade;
import fi.insomnia.bortal.facade.EventOrganiserFacade;
import fi.insomnia.bortal.model.EventOrganiser;
import fi.insomnia.bortal.model.LanEvent;
import fi.insomnia.bortal.model.User;
import fi.insomnia.bortal.utilities.BortalLocalContextHolder;
/**
* Session Bean implementation class EventBean
*/
@Stateless
public class EventBean implements EventBeanLocal {
private static final String DEFAULT_EVENT_NAME = "Default event";
private static final String DEFAULT_ORGANISATION_NAME = "Default organisation";
private static final Logger logger = LoggerFactory.getLogger(EventBean.class);
@EJB
private EventFacade eventFacade;
@EJB
private EventOrganiserFacade eventOrganiserFacade;
@EJB
private UserBeanLocal userBean;
@EJB
private EventStatusBeanLocal eventStatusBean;
@PersistenceContext
private EntityManager em;
@EJB
private SecurityBeanLocal secubean;
@Override
public LanEvent getEventByHostname(String hostname) {
LanEvent ret = eventFacade.findByHostname(hostname);
if (ret == null) {
ret = findOrCreateDefaultEvent();
}
return ret;
}
public LanEvent findOrCreateDefaultEvent() {
LanEvent ret = eventFacade.findByName(DEFAULT_EVENT_NAME);
if (ret == null) {
logger.info("Default Event does not exist! creating new.");
ret = new LanEvent();
ret.setName(DEFAULT_EVENT_NAME);
ret.setOrganiser(findOrCreateDefaultEventOrganisation());
ret.setStatus(eventStatusBean.findOrCreateDefaultEventStatus());
eventFacade.create(ret);
em.flush();
}
return ret;
}
public EventOrganiser findOrCreateDefaultEventOrganisation() {
EventOrganiser settings = eventOrganiserFacade.findByOrganisation(DEFAULT_ORGANISATION_NAME);
if (settings == null) {
settings = new EventOrganiser();
settings.setOrganisation(DEFAULT_ORGANISATION_NAME);
User defaultUser = userBean.getAnonUser();
settings.setAdmin(defaultUser);
eventOrganiserFacade.create(settings);
}
return settings;
}
public LanEvent getCurrentEvent() {
LanEvent ret = getEventByHostname(BortalLocalContextHolder.getHostname());
return ret;
}
@Override
public LanEvent mergeChanges(LanEvent event) {
//TODO: Hmm..
if(!userBean.isCurrentUser(event.getOrganiser().getAdmin()) && !userBean.getCurrentUser().isSuperadmin())
{
throw new PermissionDeniedException(secubean, userBean.getCurrentUser(), "User tried to merge event: " + event + " without being admin of that group");
}
return eventFacade.merge(event);
}
@Override
public void create(LanEvent event) {
//TODO: Hmm..
if (!userBean.isCurrentUser(event.getOrganiser().getAdmin()) && !userBean.getCurrentUser().isSuperadmin()) {
throw new PermissionDeniedException(secubean, userBean.getCurrentUser(), "User tried to create a new event for organiser " + event.getOrganiser() + " without being admin of that group");
}
eventFacade.create(event);
}
public String flushCache()
{
return eventFacade.flushCache();
}
}