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.plugins.syndication;
017
018import org.apache.avalon.framework.service.ServiceException;
019import org.apache.avalon.framework.service.ServiceManager;
020import org.apache.commons.lang.StringUtils;
021
022import org.ametys.plugins.repository.metadata.CompositeMetadata;
023import org.ametys.web.repository.page.Page;
024import org.ametys.web.repository.page.ZoneItem;
025import org.ametys.web.service.StaticService;
026
027/**
028 *  Flux RSS Service to redefined isCacheable (Not Cacheable if there are some restricted access or personal feed)
029 */
030public class SyndicationService extends StaticService
031{
032    /** The RSS user prefs component */
033    protected RssFeedUserPrefsComponent _rssUserPrefs;
034    
035    @Override
036    public void service(ServiceManager smanager) throws ServiceException
037    {
038        super.service(smanager);
039        _rssUserPrefs = (RssFeedUserPrefsComponent) smanager.lookup(RssFeedUserPrefsComponent.ROLE);
040    }
041    
042    @Override
043    public boolean isCacheable(Page currentPage, ZoneItem zoneItem)
044    {
045        CompositeMetadata serviceParameters = zoneItem.getServiceParameters();
046        CompositeMetadata repeater = serviceParameters.getCompositeMetadata("feeds");
047        
048        String nbCustomFeedAsString = serviceParameters.getString("nb-feed-user", "0");
049        int nbCustomFeed = StringUtils.isNotEmpty(nbCustomFeedAsString) ? Integer.parseInt(nbCustomFeedAsString) : 0;
050        
051        String nbMaxFeedAsString = serviceParameters.getString("nb-feed-max", "0");
052        int nbMaxFeed = StringUtils.isNotEmpty(nbMaxFeedAsString) ? Integer.parseInt(nbMaxFeedAsString) : Integer.MAX_VALUE;
053        
054        int nbFeeds = repeater.getMetadataNames().length;
055        
056        return _rssUserPrefs.isServiceCacheable(repeater, nbCustomFeed, nbFeeds, nbMaxFeed);
057    }
058}