001/*
002 *  Copyright 2017 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.odfweb.actions;
017
018import java.util.HashMap;
019import java.util.List;
020import java.util.Map;
021import java.util.Map.Entry;
022import java.util.Set;
023import java.util.stream.Collectors;
024
025import org.apache.avalon.framework.parameters.Parameters;
026import org.apache.avalon.framework.service.ServiceException;
027import org.apache.avalon.framework.service.ServiceManager;
028import org.apache.cocoon.acting.ServiceableAction;
029import org.apache.cocoon.environment.ObjectModelHelper;
030import org.apache.cocoon.environment.Redirector;
031import org.apache.cocoon.environment.Request;
032import org.apache.cocoon.environment.SourceResolver;
033import org.apache.commons.lang3.StringUtils;
034
035import org.ametys.core.cocoon.JSonReader;
036import org.ametys.plugins.odfweb.repository.OdfPageHandler;
037import org.ametys.plugins.repository.AmetysObjectResolver;
038import org.ametys.runtime.i18n.I18nizableText;
039import org.ametys.web.repository.page.Page;
040
041/**
042 * Action providing the list of existing catalogs
043 */
044public class GetCatalogList extends ServiceableAction
045{
046    /** The ODF root page handler. */
047    protected OdfPageHandler _odfRootHandler;
048    
049    /** Ametys object resolver. */
050    protected AmetysObjectResolver _resolver;
051    
052    @Override
053    public void service(ServiceManager serviceManager) throws ServiceException
054    {
055        super.service(serviceManager);
056        _odfRootHandler = (OdfPageHandler) serviceManager.lookup(OdfPageHandler.ROLE);
057        _resolver = (AmetysObjectResolver) serviceManager.lookup(AmetysObjectResolver.ROLE);
058    }
059    
060    @Override
061    public Map act(Redirector redirector, SourceResolver resolver, Map objectModel, String source, Parameters parameters) throws Exception
062    {
063        Request request = ObjectModelHelper.getRequest(objectModel);
064        
065        String id = request.getParameter("id");
066        Page page = _resolver.resolveById(id);
067        
068        // List of catalogs used by other ODF pages
069        Set<String> unavailableCatalogs = 
070            _odfRootHandler.getOdfRootPages(page.getSiteName(), page.getSitemapName()).stream()
071                .filter(odfRootpage -> !page.equals(odfRootpage))
072                .map(_odfRootHandler::getCatalog)
073                .filter(StringUtils::isNotEmpty)
074                .collect(Collectors.toSet());
075        
076        // Retrieve the list of available catalogs
077        List<Map<String, Object>> catalogList = _odfRootHandler.getCatalogs().entrySet().stream()
078            .filter(catalogEntry -> !unavailableCatalogs.contains(catalogEntry.getKey()))
079            .map(this::getCatalogData)
080            .collect(Collectors.toList());
081        
082        request.setAttribute(JSonReader.OBJECT_TO_READ, catalogList);
083        
084        return EMPTY_MAP;
085    }
086    
087    /**
088     * Generate a catalog object from its entry
089     * @param catalogEntry The catalog entry
090     * @return Catalog object containing its data
091     */
092    protected Map<String, Object> getCatalogData(Entry<String, I18nizableText> catalogEntry)
093    {
094        Map<String, Object> data = new HashMap<>();
095        data.put("code", catalogEntry.getKey());
096        data.put("label", catalogEntry.getValue());
097        return data;
098    }
099}