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.cms.content.indexing.solr.observation;
017
018import java.util.Map;
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.ObservationConstants;
025import org.ametys.cms.content.indexing.solr.SolrIndexer;
026import org.ametys.cms.indexing.IndexingObserver;
027import org.ametys.cms.repository.Content;
028import org.ametys.cms.search.systemprop.CommentsSystemProperty;
029import org.ametys.core.observation.Event;
030import org.ametys.core.observation.Observer;
031import org.ametys.runtime.plugin.component.AbstractLogEnabled;
032
033/**
034 * Observes when comments change on a content, to index the comments status.
035 */
036public class ContentCommentsObserver extends AbstractLogEnabled implements IndexingObserver, Serviceable
037{
038    
039    /** The Solr indexer. */
040    protected SolrIndexer _solrIndexer;
041    
042    public void service(ServiceManager manager) throws ServiceException
043    {
044        _solrIndexer = (SolrIndexer) manager.lookup(SolrIndexer.ROLE);
045    }
046    
047    public boolean supports(Event event)
048    {
049        return event.getId().equals(ObservationConstants.EVENT_CONTENT_COMMENT_ADDED)
050             || event.getId().equals(ObservationConstants.EVENT_CONTENT_COMMENT_DELETED)
051             || event.getId().equals(ObservationConstants.EVENT_CONTENT_COMMENT_VALIDATED)
052             || event.getId().equals(ObservationConstants.EVENT_CONTENT_COMMENT_UNVALIDATED);
053    }
054    
055    public int getPriority()
056    {
057        return Observer.MAX_PRIORITY + 1000;
058    }
059    
060    public void observe(Event event, Map<String, Object> transientVars) throws Exception
061    {
062        Content content = (Content) event.getArguments().get(ObservationConstants.ARGS_CONTENT);
063        
064        if (content != null)
065        {
066            _solrIndexer.updateSystemProperty(content, CommentsSystemProperty.SYSTEM_PROPERTY_ID, null);
067        }
068    }
069
070}