001/*
002 *  Copyright 2016 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.workspaces.events.threads;
017
018import java.util.ArrayList;
019import java.util.HashMap;
020import java.util.List;
021import java.util.Map;
022
023import javax.jcr.Node;
024import javax.jcr.RepositoryException;
025
026import org.apache.avalon.framework.context.Context;
027import org.apache.avalon.framework.context.ContextException;
028import org.apache.avalon.framework.context.Contextualizable;
029import org.apache.avalon.framework.service.ServiceException;
030import org.apache.avalon.framework.service.ServiceManager;
031import org.apache.cocoon.components.ContextHelper;
032import org.apache.cocoon.environment.Request;
033
034import org.ametys.plugins.repository.AmetysObjectResolver;
035import org.ametys.plugins.repository.RepositoryConstants;
036import org.ametys.plugins.repository.events.EventType;
037import org.ametys.plugins.workspaces.events.WorkspacesEventType;
038import org.ametys.plugins.workspaces.project.modules.WorkspaceModuleExtensionPoint;
039import org.ametys.plugins.workspaces.project.objects.Project;
040import org.ametys.plugins.workspaces.threads.ThreadWorkspaceModule;
041
042/**
043 * {@link EventType} implementation for threads-related events
044 */
045public class ThreadsEventType extends WorkspacesEventType implements Contextualizable
046{
047    /** Constant for event's category */
048    public static final String EVENT_CATEGORY_THREADS = "threads";
049    /** Constant for thread's title */
050    public static final String EVENT_THREAD_TITLE_PROPERTY = RepositoryConstants.NAMESPACE_PREFIX + ":threadTitle";
051    /** Constant for thread's title */
052    public static final String EVENT_THREAD_ID_PROPERTY = RepositoryConstants.NAMESPACE_PREFIX + ":threadId";
053    
054    /** The Ametys object resolver */
055    protected AmetysObjectResolver _resolver;
056    private ThreadWorkspaceModule _threadModule;
057    private Context _context;
058    
059    @Override
060    public void contextualize(Context context) throws ContextException
061    {
062        _context = context;
063    }
064    
065    @Override
066    public void service(ServiceManager serviceManager) throws ServiceException
067    {
068        super.service(serviceManager);
069        _resolver = (AmetysObjectResolver) serviceManager.lookup(AmetysObjectResolver.ROLE);
070        WorkspaceModuleExtensionPoint moduleManagerEP = (WorkspaceModuleExtensionPoint) serviceManager.lookup(WorkspaceModuleExtensionPoint.ROLE);
071        _threadModule = moduleManagerEP.getModule(ThreadWorkspaceModule.THREAD_MODULE_ID);
072    }
073    
074    @Override
075    protected void storeAdditionalEventData(Node eventNode, Map<String, Object> parameters) throws RepositoryException
076    {
077        super.storeAdditionalEventData(eventNode, parameters);
078        
079        eventNode.setProperty(EVENT_PROJECT_CATEGORY_PROPERTY, EVENT_CATEGORY_THREADS);
080    }
081    
082    @Override
083    public Map<String, Object> event2JSON(Node eventNode) throws RepositoryException
084    {
085        Map<String, Object> event = super.event2JSON(eventNode);
086        
087        event.put("threadTitle", eventNode.getProperty(EVENT_THREAD_TITLE_PROPERTY).getString());
088        
089        String threadId = eventNode.getProperty(EVENT_THREAD_ID_PROPERTY).getString();
090        event.put("threadId", threadId);
091        
092        Request request = ContextHelper.getRequest(_context);
093        String lang = (String) request.getAttribute("sitemapLanguage");
094        
095        String projectName = eventNode.getProperty(EVENT_PROJECT_NAME_PROPERTY).getString();
096        Project project = _projectManager.getProject(projectName);
097        event.put("threadUrl", _threadModule.getThreadUri(project, threadId, lang));
098
099        return event;
100    }
101    
102    @Override
103    public Map<String, Object> mergeEvents(List<Map<String, Object>> events)
104    {
105        Map<String, Object> mergedEVent = super.mergeEvents(events);
106        
107        List<Map<String, Object>> mergedThreads = new ArrayList<>();
108        
109        for (Map<String, Object> event : events)
110        {
111            Map<String, Object> threadInfo = new HashMap<>();
112            
113            threadInfo.put("threadTitle", event.get("threadTitle"));
114            threadInfo.put("threadId", event.get("threadId"));
115            threadInfo.put("threadUrl", event.get("threadUrl"));
116            
117            mergedThreads.add(threadInfo);
118        }
119        mergedEVent.put("threads", mergedThreads);
120        
121        return mergedEVent;
122    }
123    
124    @Override
125    public boolean isMergeable(Map<String, Object> event1, Map<String, Object> event2)
126    {
127        if (!super.isMergeable(event1, event2))
128        {
129            return false;
130        }
131        
132        String thread1 = (String) event1.get("threadId");
133        String thread2 = (String) event1.get("threadId");
134        
135        return thread1 != null && thread2 != null && thread1.equals(thread2);
136    }
137}