001/*
002 *  Copyright 2017 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package org.ametys.plugins.odfweb.observation.solr;
017
018import java.util.Map;
019
020import org.apache.avalon.framework.service.ServiceException;
021import org.apache.avalon.framework.service.ServiceManager;
022
023import org.ametys.cms.content.indexing.solr.observation.ObserverHelper;
024import org.ametys.core.observation.Event;
025import org.ametys.core.observation.Observer;
026import org.ametys.plugins.odfweb.repository.OdfPageHandler;
027import org.ametys.plugins.repository.RepositoryConstants;
028import org.ametys.web.ObservationConstants;
029import org.ametys.web.WebConstants;
030import org.ametys.web.indexing.observation.AbstractSolrObserver;
031import org.ametys.web.repository.page.Page;
032import org.ametys.web.repository.site.Site;
033import org.ametys.web.repository.sitemap.Sitemap;
034
035/**
036 * {@link Observer} for observing site configuration modifications
037 * in order to synchronize Solr index.
038 */
039public abstract class AbstractSolrOnSiteConfModifiedObserver extends AbstractSolrObserver
040{
041    private OdfPageHandler _odfPageHandler;
042
043    @Override
044    public void service(ServiceManager manager) throws ServiceException
045    {
046        super.service(manager);
047        _odfPageHandler = (OdfPageHandler) manager.lookup(OdfPageHandler.ROLE);
048    }
049
050    @Override
051    public boolean supports(Event event)
052    {
053        return event.getId().equals(ObservationConstants.EVENT_SITE_UPDATED);
054    }
055
056    @Override
057    public void observe(Event event, Map<String, Object> transientVars) throws Exception
058    {
059        if (ObserverHelper.isNotSuspendedObservationForIndexation())
060        {
061            Site site = (Site) event.getArguments().get(ObservationConstants.ARGS_SITE);
062            if (site != null)
063            {
064                _updateOdfRootIndex(site);
065            }
066        }
067    }
068
069    private void _updateOdfRootIndex(Site site) throws Exception
070    {
071        boolean indexModified = false;
072        String siteName = site.getName();
073        for (Sitemap sitemap : site.getSitemaps())
074        {
075            for (Page odfRootPage : _odfPageHandler.getOdfRootPages(siteName, sitemap.getSitemapName()))
076            {
077                _updateIndex(odfRootPage);
078                indexModified = true;
079            }
080        }
081        
082        if (indexModified)
083        {
084            _solrIndexer.commit(RepositoryConstants.DEFAULT_WORKSPACE);
085            _solrIndexer.commit(WebConstants.LIVE_WORKSPACE);
086        }
087    }
088
089    /**
090     * Update the index from the observed event. 
091     * @param odfRootPage the odf root page
092     * @throws Exception if an error occurs.
093     */
094    protected abstract void _updateIndex(Page odfRootPage) throws Exception;
095}