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