001/*
002 * (C) Copyright 2020 Nuxeo (http://nuxeo.com/) and others.
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 *
016 * Contributors:
017 *     Nour AL KOTOB
018 */
019package org.nuxeo.ecm.platform.routing.core.listener;
020
021import static org.nuxeo.ecm.core.query.sql.NXQL.ECM_UUID;
022import static org.nuxeo.ecm.platform.routing.api.DocumentRoutingConstants.DOCUMENT_ROUTE_DOCUMENT_TYPE;
023import static org.nuxeo.ecm.platform.task.TaskConstants.TASK_PROCESS_ID_PROPERTY_NAME;
024import static org.nuxeo.ecm.platform.task.TaskConstants.TASK_TYPE_NAME;
025
026import org.nuxeo.ecm.core.api.CoreSession;
027import org.nuxeo.ecm.core.api.DocumentModel;
028import org.nuxeo.ecm.core.api.IdRef;
029import org.nuxeo.ecm.core.event.Event;
030import org.nuxeo.ecm.core.event.EventBundle;
031import org.nuxeo.ecm.core.event.PostCommitEventListener;
032import org.nuxeo.ecm.core.event.impl.DocumentEventContext;
033
034/**
035 * Listener that deletes orphan Tasks.
036 *
037 * @since 11.1
038 */
039public class DocumentRouteDeletedListener implements PostCommitEventListener {
040
041    protected static final String QUERY_GET_TASKS_RELATED_TO_DOCUMENT_ROUTE = "SELECT * FROM " + TASK_TYPE_NAME
042            + " WHERE " + TASK_PROCESS_ID_PROPERTY_NAME + " = '%s'";
043
044    @Override
045    public void handleEvent(EventBundle events) {
046        for (Event event : events) {
047            DocumentEventContext context = (DocumentEventContext) event.getContext();
048            DocumentModel docModel = context.getSourceDocument();
049            if (DOCUMENT_ROUTE_DOCUMENT_TYPE.equals(docModel.getType())) {
050                deleteOrphanTasks(context.getCoreSession(), docModel.getId());
051            }
052        }
053    }
054
055    /**
056     * Deletes all tasks whose process id matches the given DocumentRoute id.
057     *
058     * @since 11.1
059     */
060    protected void deleteOrphanTasks(CoreSession session, String id) {
061        String query = String.format(QUERY_GET_TASKS_RELATED_TO_DOCUMENT_ROUTE, id);
062        session.queryProjection(query, 0, 0)
063               .stream()
064               .map(m -> m.get(ECM_UUID))
065               .map(taskId -> new IdRef((String) taskId))
066               .forEach(session::removeDocument);
067    }
068
069}