001/*
002 *  Copyright 2024 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.pagesubscription.generator;
017
018import java.io.IOException;
019
020import org.apache.avalon.framework.service.ServiceException;
021import org.apache.avalon.framework.service.ServiceManager;
022import org.apache.cocoon.ProcessingException;
023import org.apache.cocoon.environment.ObjectModelHelper;
024import org.apache.cocoon.environment.Request;
025import org.apache.cocoon.generation.ServiceableGenerator;
026import org.apache.cocoon.xml.XMLUtils;
027import org.xml.sax.SAXException;
028
029import org.ametys.core.user.CurrentUserProvider;
030import org.ametys.plugins.pagesubscription.FrequencyHelper;
031import org.ametys.plugins.pagesubscription.Subscription;
032import org.ametys.plugins.pagesubscription.context.PageSubscriptionContext;
033import org.ametys.plugins.pagesubscription.type.PageSubscriptionType;
034import org.ametys.plugins.pagesubscription.type.SubscriptionTypeExtensionPoint;
035import org.ametys.plugins.repository.AmetysObjectResolver;
036import org.ametys.web.WebHelper;
037import org.ametys.web.repository.site.Site;
038import org.ametys.web.repository.site.SiteManager;
039
040/**
041 * SAX user subscriptions
042 */
043public class UserPageSubscriptionsGenerator extends ServiceableGenerator
044{
045    /** The current user provider */
046    protected CurrentUserProvider _currentUserProvider;
047    
048    /** The site manager */
049    protected SiteManager _siteManager;
050    
051    /** The subscription type extension point */
052    protected SubscriptionTypeExtensionPoint _subscriptionTypeEP;
053    
054    /** The ametys object resolver */
055    protected AmetysObjectResolver _resolver;
056    
057    @Override
058    public void service(ServiceManager smanager) throws ServiceException
059    {
060        super.service(manager);
061        _currentUserProvider = (CurrentUserProvider) smanager.lookup(CurrentUserProvider.ROLE);
062        _subscriptionTypeEP = (SubscriptionTypeExtensionPoint) smanager.lookup(SubscriptionTypeExtensionPoint.ROLE);
063        _siteManager = (SiteManager) smanager.lookup(SiteManager.ROLE);
064        _resolver = (AmetysObjectResolver) smanager.lookup(AmetysObjectResolver.ROLE);
065    }
066    
067    @Override
068    public void generate() throws IOException, SAXException, ProcessingException
069    {
070        contentHandler.startDocument();
071        XMLUtils.startElement(contentHandler, "subscriptions");
072
073        FrequencyHelper.saxFrequencies(contentHandler);
074        
075        Request request = ObjectModelHelper.getRequest(objectModel);
076        String siteName = WebHelper.getSiteName(request);
077        PageSubscriptionType subscriptionType = (PageSubscriptionType) _subscriptionTypeEP.getExtension(PageSubscriptionType.ID);
078        
079        Site site = _siteManager.getSite(siteName);
080        for (Subscription subscription : subscriptionType.getUserSubscriptions(site, _currentUserProvider.getUser(), false, PageSubscriptionContext.newInstance()))
081        {
082            subscriptionType.saxSubscription(contentHandler, subscription);
083        }
084
085        XMLUtils.endElement(contentHandler, "subscriptions");
086        contentHandler.endDocument();
087    }
088    
089}