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.bpm.process;
017
018import java.util.List;
019import java.util.Map;
020
021import org.apache.avalon.framework.service.ServiceException;
022import org.apache.avalon.framework.service.ServiceManager;
023import org.apache.cocoon.servlet.multipart.Part;
024import org.apache.cocoon.servlet.multipart.PartOnDisk;
025
026import org.ametys.plugins.bpm.jcr.JCRWorkflowProcess;
027import org.ametys.plugins.explorer.resources.ModifiableResource;
028import org.ametys.plugins.explorer.resources.ModifiableResourceCollection;
029import org.ametys.plugins.explorer.resources.actions.AddOrUpdateResourceHelper;
030import org.ametys.plugins.explorer.resources.actions.AddOrUpdateResourceHelper.ResourceOperationMode;
031import org.ametys.plugins.workflow.AbstractWorkflowComponent;
032
033import com.opensymphony.module.propertyset.PropertySet;
034import com.opensymphony.workflow.FunctionProvider;
035import com.opensymphony.workflow.WorkflowException;
036
037/**
038 * Workflow action to edit a process
039 */
040public class EditProcessFunction extends AbstractWorkflowComponent implements FunctionProvider
041{
042    private AddOrUpdateResourceHelper _addOrUpdateResourceHelper;
043    
044    @Override
045    public void service(ServiceManager manager) throws ServiceException
046    {
047        super.service(manager);
048        _addOrUpdateResourceHelper = (AddOrUpdateResourceHelper) manager.lookup(AddOrUpdateResourceHelper.ROLE);
049    }
050    
051    @SuppressWarnings("unchecked")
052    public void execute(Map transientVars, Map args, PropertySet ps) throws WorkflowException
053    {
054        JCRWorkflowProcess process = (JCRWorkflowProcess) transientVars.get("process");
055        String title = (String) transientVars.get("title");
056        String description = (String) transientVars.getOrDefault("description", null);
057        List<PartOnDisk> uploadedAttachments = (List<PartOnDisk>) transientVars.getOrDefault("uploadedAttachments", null);
058        List<String> attachmentsUntouched = (List<String>) transientVars.getOrDefault("attachmentsUntouched", null);
059        
060        process.setTitle(title);
061        process.setDescription(description);
062        
063        ModifiableResourceCollection rootAttachments = (ModifiableResourceCollection) process.getRootAttachments(true);
064        // Remove attachments that are not in the "untouched" list
065        rootAttachments.getChildren().stream()
066            .map(attachment -> attachment.getName())
067            .filter(attachment -> attachmentsUntouched == null || !attachmentsUntouched.contains(attachment))
068            .forEach(attachment -> 
069            {
070                ModifiableResource child = rootAttachments.getChild(attachment);
071                child.remove();
072            });
073        
074        
075        if (uploadedAttachments != null)
076        {
077            for (Part attachment : uploadedAttachments)
078            {
079                _addOrUpdateResourceHelper.performResourceOperation(attachment, rootAttachments, ResourceOperationMode.ADD);
080            }
081        }
082        
083        if (process.needsSave())
084        {
085            process.saveChanges();
086        }
087    }
088
089}