001/*
002 *  Copyright 2015 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.web.indexing.observation;
017
018import java.util.Collection;
019
020import org.apache.avalon.framework.service.ServiceException;
021import org.apache.avalon.framework.service.ServiceManager;
022import org.apache.avalon.framework.service.Serviceable;
023
024import org.ametys.cms.content.indexing.solr.SolrIndexer;
025import org.ametys.cms.repository.Content;
026import org.ametys.core.observation.Event;
027import org.ametys.core.observation.Observer;
028import org.ametys.plugins.repository.AmetysObjectResolver;
029import org.ametys.plugins.repository.AmetysRepositoryException;
030import org.ametys.plugins.repository.RepositoryConstants;
031import org.ametys.runtime.plugin.component.AbstractLogEnabled;
032import org.ametys.web.WebConstants;
033import org.ametys.web.indexing.SiteIndexer;
034import org.ametys.web.indexing.solr.SolrPageIndexer;
035import org.ametys.web.repository.content.WebContent;
036import org.ametys.web.repository.page.Page;
037
038/**
039 * Abstract {@link Observer} for synchronizing the Solr index for Web components
040 */
041public abstract class AbstractSolrObserver extends AbstractLogEnabled implements Observer, Serviceable
042{
043    /** The site indexer helper */
044    protected SiteIndexer _siteIndexer;
045    /** The Solr indexer */
046    protected SolrIndexer _solrIndexer;
047    /** The Solr page indexer. */
048    protected SolrPageIndexer _solrPageIndexer;
049    /** The Ametys object resolver */
050    protected AmetysObjectResolver _resolver;
051    
052    @Override
053    public void service(ServiceManager manager) throws ServiceException
054    {
055        _resolver = (AmetysObjectResolver) manager.lookup(AmetysObjectResolver.ROLE);
056        _solrIndexer = (SolrIndexer) manager.lookup(SolrIndexer.ROLE);
057        _siteIndexer = (SiteIndexer) manager.lookup(SiteIndexer.ROLE);
058        _solrPageIndexer = (SolrPageIndexer) manager.lookup(SolrPageIndexer.ROLE);
059    }
060    
061    public int getPriority(Event event)
062    {
063        // Will be processed after live synchronization observers
064        return MAX_PRIORITY + 3000;
065    }
066    
067    /**
068     * Update index of all pages referencing the content for all workspaces if exists
069     * @param contentId The id of content
070     * @param recursively true to index recursively the subpages
071     * @throws AmetysRepositoryException If an error occurred
072     * @throws Exception if an error occurred during indexing
073     */
074    protected void _updateIndexReferencingPages (String contentId, boolean recursively) throws Exception
075    {
076        Content content = _resolver.resolveById(contentId);
077        _updateIndexReferencingPages(content, recursively);
078    }
079    
080    /**
081     * Update index of all pages referencing the content for all workspaces if exists
082     * @param content The content
083     * @param recursively true to index recursively the subpages
084     * @throws AmetysRepositoryException If an error occurred
085     * @throws Exception if an error occurred during indexing
086     */
087    protected void _updateIndexReferencingPages (Content content, boolean recursively) throws Exception
088    {
089        if (content instanceof WebContent)
090        {
091            Collection<Page> referencingPages = ((WebContent) content).getReferencingPages();
092            
093            for (Page page : referencingPages)
094            {
095                // Reindex page in default workspace (its attachments are still indexed, so no need to index them)
096                _solrPageIndexer.reindexPage(page.getId(), RepositoryConstants.DEFAULT_WORKSPACE, recursively, false);
097                // Reindex page in live workspace if exists (if page was not in live before, its attachments were not either, so index them)
098                _solrPageIndexer.reindexPage(page.getId(), WebConstants.LIVE_WORKSPACE, recursively, true);
099            }
100        }
101    }
102}