001/*
002 *  Copyright 2016 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.userdirectory.observation;
017
018import org.apache.avalon.framework.service.ServiceException;
019import org.apache.avalon.framework.service.ServiceManager;
020
021import org.ametys.cms.repository.Content;
022import org.ametys.core.observation.Event;
023import org.ametys.web.cache.pageelement.PageElementCache;
024import org.ametys.web.repository.page.Page;
025
026/**
027 * Invalidates the ZoneItem containing a Content which has just been modified or synchronized.
028 */
029public class InvalidateZoneItemCacheOnUserContentValidationObserver extends AbstractUserObserver
030{
031    private PageElementCache _zoneItemCache;
032
033    @Override
034    public void service(ServiceManager manager) throws ServiceException
035    {
036        super.service(manager);
037        _zoneItemCache = (PageElementCache) manager.lookup(PageElementCache.ROLE + "/zoneItem");
038    }
039    
040    @Override
041    public boolean supports(Event event)
042    {
043        return event.getId().equals(org.ametys.web.ObservationConstants.EVENT_CONTENT_UNPUBLISHED)
044                || event.getId().equals(org.ametys.cms.ObservationConstants.EVENT_CONTENT_VALIDATED);
045    }
046
047    public int getPriority(Event event)
048    {
049        // processed just before front-office cache invalidation
050        return MAX_PRIORITY + 3500;
051    }
052
053    @Override
054    protected void _internalObserve(Event event, Page rootUsersPage, Content userContent)
055    {
056        _zoneItemCache.removeItem("live", rootUsersPage.getSiteName(), "CONTENT", userContent.getId());
057    }
058
059}