/*
* Copyright (c) 2010-2011 Lockheed Martin Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.eurekastreams.server.persistence.mappers.db.notification;
import javax.persistence.Query;
import org.eurekastreams.server.domain.NotificationFilterPreferenceEntity;
import org.eurekastreams.server.domain.NotificationFilterPreferenceDTO;
import org.eurekastreams.server.domain.Person;
import org.eurekastreams.server.persistence.mappers.BaseArgDomainMapper;
import org.eurekastreams.server.persistence.mappers.requests.SetUserNotificationFilterPreferencesRequest;
/**
* Sets a user's notification filter preferences, leaving any not specified alone.
*/
public class SetUserNotificationFilterPreferences extends
BaseArgDomainMapper<SetUserNotificationFilterPreferencesRequest, Void>
{
/**
* {@inheritDoc}
*/
@Override
public Void execute(final SetUserNotificationFilterPreferencesRequest inRequest)
{
// prepare existence query
Query checkQuery = getEntityManager()
.createQuery(
"SELECT COUNT(*) FROM NotificationFilterPreference WHERE personId=:personId AND "
+ "notifierType=:notifierType AND notificationCategory=:notificationCategory")
.setParameter("personId", inRequest.getPersonId());
Person user = null;
for (NotificationFilterPreferenceDTO dto : inRequest.getPrefList())
{
// check if the row already exists
checkQuery.setParameter("notifierType", dto.getNotifierType());
checkQuery.setParameter("notificationCategory", dto.getNotificationCategory());
if ((Long) checkQuery.getSingleResult() == 0)
{
// create the preference entry
if (user == null)
{
user = (Person) getHibernateSession().load(Person.class, inRequest.getPersonId());
}
NotificationFilterPreferenceEntity entity = new NotificationFilterPreferenceEntity();
entity.setPerson(user);
entity.setNotificationCategory(dto.getNotificationCategory());
entity.setNotifierType(dto.getNotifierType());
getEntityManager().persist(entity);
}
}
return null;
}
}