001/*
002 *  Copyright 2020 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.ugc.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.core.observation.Event;
025import org.ametys.core.observation.Observer;
026import org.ametys.plugins.repository.AmetysObjectResolver;
027import org.ametys.runtime.plugin.component.AbstractLogEnabled;
028import org.ametys.web.indexing.solr.SolrPageIndexer;
029import org.ametys.web.repository.page.Page;
030
031/**
032 * {@link Observer} for observing UGC root is being modified or deleted
033 */
034public class SolrContentRootPageDeletedObserver extends AbstractLogEnabled implements Observer, Serviceable
035{
036    /** The ametys object resolver. */
037    protected AmetysObjectResolver _resolver;
038    /** The Solr page indexer. */
039    protected SolrPageIndexer _solrPageIndexer;
040    
041    @Override
042    public void service(ServiceManager manager) throws ServiceException
043    {
044        _resolver = (AmetysObjectResolver) manager.lookup(AmetysObjectResolver.ROLE);
045        _solrPageIndexer = (SolrPageIndexer) manager.lookup(SolrPageIndexer.ROLE);
046    }
047    
048    @Override
049    public boolean supports(Event event)
050    {
051        return event.getId().equals(ObservationConstants.EVENT_UGC_ROOT_DELETING) 
052                || event.getId().equals(ObservationConstants.EVENT_UGC_ROOT_UPDATING);
053    }
054    
055    @Override
056    public int getPriority(Event event)
057    {
058        return MAX_PRIORITY;
059    }
060    
061    public void observe(Event event, Map<String, Object> transientVars) throws Exception
062    {
063        Page page = (Page) event.getArguments().get(org.ametys.web.ObservationConstants.ARGS_PAGE);
064        
065        // Unindex page recursively before updating page properties and before live synchronization
066        _solrPageIndexer.unindexPage(page.getId(), true, true);
067    }
068}