001/* 002 * (C) Copyright 2006-2012 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl-2.1.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Thomas Roger <troger@nuxeo.com> 016 */ 017 018package org.nuxeo.ecm.rating; 019 020import static org.jboss.seam.ScopeType.STATELESS; 021import static org.jboss.seam.annotations.Install.FRAMEWORK; 022 023import java.io.Serializable; 024import java.security.Principal; 025 026import org.jboss.seam.annotations.In; 027import org.jboss.seam.annotations.Install; 028import org.jboss.seam.annotations.Name; 029import org.jboss.seam.annotations.Scope; 030import org.jboss.seam.faces.FacesMessages; 031import org.jboss.seam.international.StatusMessage; 032import org.nuxeo.ecm.core.api.DocumentModel; 033import org.nuxeo.ecm.rating.api.LikeService; 034import org.nuxeo.runtime.api.Framework; 035 036/** 037 * Handles Like related web actions. 038 * 039 * @author <a href="mailto:troger@nuxeo.com">Thomas Roger</a> 040 * @since 5.6 041 */ 042@Name("likeActions") 043@Scope(STATELESS) 044@Install(precedence = FRAMEWORK) 045public class LikeActions implements Serializable { 046 047 private static final long serialVersionUID = 1L; 048 049 @In(create = true, required = false) 050 protected FacesMessages facesMessages; 051 052 public boolean hasUserLiked(Principal principal, DocumentModel doc) { 053 LikeService likeService = Framework.getLocalService(LikeService.class); 054 return likeService.hasUserLiked(principal.getName(), doc); 055 } 056 057 public void like(Principal principal, DocumentModel doc) { 058 LikeService likeService = Framework.getLocalService(LikeService.class); 059 likeService.like(principal.getName(), doc); 060 facesMessages.addFromResourceBundle(StatusMessage.Severity.INFO, "label.document.liked"); 061 } 062 063 public void cancelLike(Principal principal, DocumentModel doc) { 064 LikeService likeService = Framework.getLocalService(LikeService.class); 065 likeService.cancel(principal.getName(), doc); 066 facesMessages.addFromResourceBundle(StatusMessage.Severity.INFO, "label.document.unliked"); 067 } 068 069 public long getLikesCount(DocumentModel doc) { 070 LikeService likeService = Framework.getLocalService(LikeService.class); 071 return likeService.getLikesCount(doc); 072 } 073 074}