001/*
002 *  Copyright 2022 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.chat;
017
018import java.io.IOException;
019import java.util.Map;
020
021import org.apache.avalon.framework.logger.AbstractLogEnabled;
022import org.apache.avalon.framework.service.ServiceException;
023import org.apache.avalon.framework.service.ServiceManager;
024import org.apache.avalon.framework.service.Serviceable;
025
026import org.ametys.core.observation.AsyncObserver;
027import org.ametys.core.observation.Event;
028import org.ametys.plugins.workspaces.ObservationConstants;
029import org.ametys.runtime.config.Config;
030
031/**
032 * Delete a Rocket.Chat room when a project is deleted
033 */
034public class ProjectDeletedObserver extends AbstractLogEnabled implements AsyncObserver, Serviceable
035{
036    /** Rocket.Chat helper */
037    protected ChatHelper _rocketChatHelper;
038
039    public void service(ServiceManager manager) throws ServiceException
040    {
041        _rocketChatHelper = (ChatHelper) manager.lookup(ChatHelper.ROLE);
042    }
043
044    public boolean supports(Event event)
045    {
046        return ObservationConstants.EVENT_PROJECT_DELETED.equals(event.getId()) && Config.getInstance().<Boolean>getValue("workspaces.chat.active");
047    }
048    
049    public int getPriority(Event event)
050    {
051        return MAX_PRIORITY; // Yes, "MAX PRIORITY" is the lowest priority...
052    }
053
054    public void observe(Event event, Map<String, Object> transientVars) throws Exception
055    {
056        String projectName = (String) event.getArguments().get(ObservationConstants.ARGS_PROJECT_NAME);
057        try
058        {
059            _rocketChatHelper.deleteRoom(projectName);
060        }
061        catch (IOException e)
062        {
063            getLogger().error("An error occurred that prevented the room removal", e);
064        }
065    }
066
067}