nl.surfnet.coin.teams.service.impl.TeamInviteServiceHibernateImpl.java Source code

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Here is the source code for nl.surfnet.coin.teams.service.impl.TeamInviteServiceHibernateImpl.java

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/*
 * Copyright 2012 SURFnet bv, The Netherlands
 *
 * 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 nl.surfnet.coin.teams.service.impl;

import java.util.Date;
import java.util.List;

import org.hibernate.Criteria;
import org.hibernate.criterion.Order;
import org.hibernate.criterion.Restrictions;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;

import nl.surfnet.coin.shared.service.GenericServiceHibernateImpl;
import nl.surfnet.coin.teams.domain.Invitation;
import nl.surfnet.coin.teams.domain.Team;
import nl.surfnet.coin.teams.service.TeamInviteService;

/**
 * Hibernate implementation for {@link TeamInviteService}
 */
@Component("teamInviteService")
public class TeamInviteServiceHibernateImpl extends GenericServiceHibernateImpl<Invitation>
        implements TeamInviteService {

    private static final long TWO_WEEKS = 14L * 24L * 60L * 60L * 1000L;
    private static final long THIRTY_DAYS = 30L * 24L * 60L * 60L * 1000L;

    /**
     * Default constructor
     */
    public TeamInviteServiceHibernateImpl() {
        super(Invitation.class);
    }

    /**
     * Constructor
     *
     * @param type the clazz
     */
    public TeamInviteServiceHibernateImpl(Class<Invitation> type) {
        super(type);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public Invitation findOpenInvitation(String email, Team team) {
        List<Invitation> invitations = findByCriteria(Restrictions.eq("email", email),
                Restrictions.eq("teamId", team.getId()), Restrictions.eq("accepted", false),
                Restrictions.eq("declined", false));
        return CollectionUtils.isEmpty(invitations) ? null : invitations.get(0);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public Invitation findInvitationByInviteId(String invitationId) {
        cleanupExpiredInvitations();
        long twoWeeksAgo = (new Date().getTime()) - TWO_WEEKS;
        List<Invitation> invitations = findByCriteria(Restrictions.eq("invitationHash", invitationId),
                Restrictions.ge("timestamp", twoWeeksAgo));
        return CollectionUtils.isEmpty(invitations) ? null : invitations.get(0);
    }

    /**
     * {@inheritDoc}
    */
    @Override
    public Invitation findAllInvitationById(final String invitationId) {
        cleanupExpiredInvitations();
        List<Invitation> invitations = findByCriteria(Restrictions.eq("invitationHash", invitationId));
        return CollectionUtils.isEmpty(invitations) ? null : invitations.get(0);
    }

    /**
     * {@inheritDoc}
     */
    @SuppressWarnings({ "unchecked" })
    @Override
    public List<Invitation> findAllInvitationsForTeam(Team team) {
        cleanupExpiredInvitations();
        Criteria criteria = createCriteria();
        criteria.add(Restrictions.eq("teamId", team.getId()));
        criteria.addOrder(Order.asc("email"));
        criteria.setResultTransformer(Criteria.DISTINCT_ROOT_ENTITY);
        return criteria.list();
    }

    @SuppressWarnings("unchecked")
    @Override
    public List<Invitation> findInvitationsForTeamExcludeAccepted(Team team) {
        cleanupExpiredInvitations();
        Criteria criteria = createCriteria();
        criteria.add(Restrictions.eq("teamId", team.getId()));
        criteria.add(Restrictions.eq("accepted", false));
        criteria.addOrder(Order.asc("email"));
        criteria.setResultTransformer(Criteria.DISTINCT_ROOT_ENTITY);
        return criteria.list();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public List<Invitation> findPendingInvitationsByEmail(String email) {
        cleanupExpiredInvitations();
        return findByCriteria(Restrictions.eq("email", email), Restrictions.ne("declined", true),
                Restrictions.ne("accepted", true));
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void cleanupExpiredInvitations() {
        long thirtyDaysAgo = (new Date().getTime()) - THIRTY_DAYS;
        List<Invitation> invitations = findByCriteria(Restrictions.lt("timestamp", thirtyDaysAgo));
        for (Invitation invitation : invitations) {
            delete(invitation);
        }
    }

}