com.devnexus.ting.repository.jpa.ScheduleItemRepositoryImpl.java Source code

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/*
 * Copyright 2002-2016 the original author or authors.
 *
 * 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 com.devnexus.ting.repository.jpa;

import java.util.List;

import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;

import org.hibernate.Filter;
import org.hibernate.Session;
import org.springframework.security.authentication.AnonymousAuthenticationToken;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.stereotype.Repository;

import com.devnexus.ting.model.ScheduleItem;
import com.devnexus.ting.model.User;
import com.devnexus.ting.repository.ScheduleItemRepositoryCustom;

/**
 *
 * @author Gunnar Hillert
 * @since  1.0
 *
 */
@Repository("scheduleItemDao")
public class ScheduleItemRepositoryImpl implements ScheduleItemRepositoryCustom {

    @PersistenceContext
    private EntityManager entityManager;

    /** {@inheritDoc} */
    @Override
    public List<ScheduleItem> getScheduleForEvent(Long eventId) {

        final Session session = (Session) this.entityManager.getDelegate();
        Filter filter = session.enableFilter("userFilter");

        if (!(SecurityContextHolder.getContext().getAuthentication() instanceof AnonymousAuthenticationToken)) {
            final User user = (User) SecurityContextHolder.getContext().getAuthentication().getPrincipal();
            filter.setParameter("userId", user.getId());
        } else {
            filter.setParameter("userId", -1L);
        }

        return this.entityManager
                .createQuery("select si from ScheduleItem si " + "where si.event.id = :eventId "
                        + "order by si.fromTime ASC, si.room.roomOrder ASC", ScheduleItem.class)
                .setParameter("eventId", eventId).getResultList();
    }

}