/*
* Copyright (c) 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.UnreadInAppNotificationCountDTO;
import org.eurekastreams.server.persistence.mappers.ReadMapper;
/**
* This mapper queries for the current count of unread notifications for a user.
*/
public class GetUnreadInAppNotificationCountsByUserId extends ReadMapper<Long, UnreadInAppNotificationCountDTO>
{
/**
* Makes the database call to get unread in-app notification counts.
*
* @param userId
* user to get notification count.
* @return the count of notifications for this user.
*/
@Override
public UnreadInAppNotificationCountDTO execute(final Long userId)
{
String q = "select count(id) from InAppNotification "
+ "where recipient.id = :userId and highPriority = :priority and isRead = false";
Query query = getEntityManager().createQuery(q).setParameter("userId", userId).setParameter("priority", false);
int normalCount = ((Long) query.getSingleResult()).intValue();
query = getEntityManager().createQuery(q).setParameter("userId", userId).setParameter("priority", true);
int highCount = ((Long) query.getSingleResult()).intValue();
return new UnreadInAppNotificationCountDTO(highCount, normalCount);
}
}