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.contentio.synchronize;
017
018import java.util.Arrays;
019import java.util.Collection;
020import java.util.Map;
021import java.util.Optional;
022import java.util.Set;
023import java.util.stream.Collectors;
024
025import org.apache.avalon.framework.component.Component;
026import org.apache.avalon.framework.service.ServiceException;
027import org.apache.avalon.framework.service.ServiceManager;
028import org.apache.avalon.framework.service.Serviceable;
029
030import org.ametys.cms.repository.Content;
031import org.ametys.plugins.repository.data.external.ExternalizableDataProvider;
032import org.ametys.plugins.repository.data.holder.ModelAwareDataHolder;
033import org.ametys.runtime.model.ModelItem;
034import org.ametys.runtime.plugin.component.AbstractLogEnabled;
035
036/**
037 * {@link ExternalizableDataProvider} based on {@link SynchronizableContentsCollection}
038 */
039public class SynchronizableContentsCollectionDataProvider extends AbstractLogEnabled implements ExternalizableDataProvider, Component, Serviceable
040{
041    /** Constant for storing the scc identifier into the externalizable data context */
042    public static final String SCC_ID_CONTEXT_KEY = "sccId";
043    
044    /** The DAO for synchronizable contents collections */
045    protected SynchronizableContentsCollectionDAO _synchronizableContentsCollectionDAO;
046    /** SCC helper */
047    protected SynchronizableContentsCollectionHelper _sccHelper;
048    
049    @Override
050    public void service(ServiceManager manager) throws ServiceException
051    {
052        _synchronizableContentsCollectionDAO = (SynchronizableContentsCollectionDAO) manager.lookup(SynchronizableContentsCollectionDAO.ROLE);
053        _sccHelper = (SynchronizableContentsCollectionHelper) manager.lookup(SynchronizableContentsCollectionHelper.ROLE);
054    }
055
056    public Set<String> getExternalizableDataPaths(ModelAwareDataHolder dataHolder)
057    {
058        if (dataHolder instanceof Content)
059        {
060            Content content = (Content) dataHolder;
061            return _sccHelper.getSynchronizableCollectionIds(content)
062                    .stream()
063                    .map(_synchronizableContentsCollectionDAO::getSynchronizableContentsCollection)
064                    .filter(collection -> collection != null)
065                    .map(collection -> _getExternalizableDataPaths(dataHolder, collection))
066                    .flatMap(Collection::stream)
067                    .collect(Collectors.toSet());
068        }
069        else
070        {
071            return Set.of();
072        }
073    }
074    
075    public boolean isDataExternalizable(ModelAwareDataHolder dataHolder, ModelItem modelItem, Map<String, Object> context)
076    {
077        Set<String> externalizableDataPaths = Optional.of(context)
078                .map(ctx -> ctx.get(SCC_ID_CONTEXT_KEY))
079                .filter(String.class::isInstance)
080                .map(String.class::cast)
081                .map(_synchronizableContentsCollectionDAO::getSynchronizableContentsCollection)
082                .map(col -> _getExternalizableDataPaths(dataHolder, col))
083                .orElseGet(() -> getExternalizableDataPaths(dataHolder));
084        
085        return externalizableDataPaths.contains(modelItem.getPath());
086    }
087    
088    private Set<String> _getExternalizableDataPaths(ModelAwareDataHolder dataHolder, SynchronizableContentsCollection collection)
089    {
090        return dataHolder instanceof Content ? collection.getLocalAndExternalFields(buildParametersMap((Content) dataHolder)) : Set.of();
091    }
092    
093    private Map<String, Object> buildParametersMap(Content content)
094    {
095        return Map.of("contentTypes", Arrays.asList(content.getTypes()));
096    }
097
098}