001/* 002 * (C) Copyright 2012 Nuxeo SA (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 * Arnaud Kervern 018 */ 019package org.nuxeo.ecm.rating.listener; 020 021import static org.nuxeo.ecm.activity.ActivityHelper.createDocumentActivityObject; 022import static org.nuxeo.ecm.core.api.LifeCycleConstants.DELETED_STATE; 023import static org.nuxeo.ecm.core.api.LifeCycleConstants.TRANSITION_EVENT; 024import static org.nuxeo.ecm.core.api.LifeCycleConstants.TRANSTION_EVENT_OPTION_TO; 025import static org.nuxeo.ecm.core.api.event.DocumentEventTypes.DOCUMENT_REMOVED; 026 027import org.nuxeo.ecm.core.api.DocumentModel; 028import org.nuxeo.ecm.core.event.Event; 029import org.nuxeo.ecm.core.event.EventListener; 030import org.nuxeo.ecm.core.event.impl.DocumentEventContext; 031import org.nuxeo.ecm.rating.api.RatingService; 032import org.nuxeo.runtime.api.Framework; 033 034/** 035 * Remove rates made when a document is removed or his lifecycle state is changing to DELETED_STATE 036 * 037 * @author <a href="mailto:akervern@nuxeo.com">Arnaud Kervern</a> 038 */ 039public class RatingListener implements EventListener { 040 @Override 041 public void handleEvent(Event event) { 042 if (event.getContext() instanceof DocumentEventContext) { 043 DocumentEventContext ctx = (DocumentEventContext) event.getContext(); 044 DocumentModel document = ctx.getSourceDocument(); 045 046 if (DOCUMENT_REMOVED.equals(event.getName())) { 047 cancelRates(document); 048 } else if (TRANSITION_EVENT.equals(event.getName())) { 049 String destinationState = (String) ctx.getProperty(TRANSTION_EVENT_OPTION_TO); 050 if (DELETED_STATE.equals(destinationState)) { 051 cancelRates(document); 052 } 053 } 054 } 055 } 056 057 protected void cancelRates(DocumentModel document) { 058 RatingService ratingService = Framework.getLocalService(RatingService.class); 059 ratingService.cancelRates(createDocumentActivityObject(document), null); 060 } 061}