001/* 002 * (C) Copyright 2006-2008 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 * bstefanescu 018 * stan 019 * 020 * $Id$ 021 */ 022 023package org.nuxeo.ecm.core.rest; 024 025import java.util.Date; 026 027import javax.ws.rs.DELETE; 028import javax.ws.rs.FormParam; 029import javax.ws.rs.GET; 030import javax.ws.rs.POST; 031import javax.ws.rs.Path; 032import javax.ws.rs.core.Response; 033 034import org.nuxeo.ecm.core.api.CoreSession; 035import org.nuxeo.ecm.core.api.DocumentModel; 036import org.nuxeo.ecm.core.api.IdRef; 037import org.nuxeo.ecm.platform.comment.api.CommentManager; 038import org.nuxeo.ecm.platform.comment.workflow.services.CommentsModerationService; 039import org.nuxeo.ecm.webengine.forms.FormData; 040import org.nuxeo.ecm.webengine.model.WebAdapter; 041import org.nuxeo.ecm.webengine.model.exceptions.IllegalParameterException; 042import org.nuxeo.ecm.webengine.model.impl.DefaultAdapter; 043import org.nuxeo.runtime.api.Framework; 044 045/** 046 * Comment Service - manages document comments. 047 * <p> 048 * Accepts the following methods: 049 * <ul> 050 * <li>POST - create a new comment 051 * </ul> 052 * 053 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 054 * @author <a href="mailto:stan@nuxeo.com">Sun Seng David TAN</a> 055 * @author rux allow extending the service for the possible customizations. Some atomic actions are provided with 056 * default implementation but allowed for overwriting. 057 */ 058@WebAdapter(name = "comments", type = "CommentService", targetType = "Document", targetFacets = { "Commentable" }) 059public class CommentService extends DefaultAdapter { 060 061 @POST 062 public Response doPost(@FormParam("text") String cText) { 063 if (cText == null) { 064 throw new IllegalParameterException("Expecting a 'text' parameter"); 065 } 066 DocumentObject dobj = (DocumentObject) getTarget(); 067 CoreSession session = dobj.getCoreSession(); 068 DocumentModel pageDoc = dobj.getDocument(); 069 DocumentModel comment = session.createDocumentModel("Comment"); 070 comment.setPropertyValue("comment:author", session.getPrincipal().getName()); 071 comment.setPropertyValue("comment:text", cText); 072 comment.setPropertyValue("comment:creationDate", new Date()); 073 comment = createCommentDocument(session, pageDoc, comment); 074 session.save(); 075 publishComment(session, pageDoc, comment); 076 077 return redirect(getTarget().getPath()); 078 } 079 080 @GET 081 @Path("reject") 082 public Response reject() { 083 DocumentObject dobj = (DocumentObject) getTarget(); 084 CoreSession session = dobj.getCoreSession(); 085 DocumentModel pageDoc = dobj.getDocument(); 086 FormData form = ctx.getForm(); 087 String commentId = form.getString(FormData.PROPERTY); 088 DocumentModel comment = session.getDocument(new IdRef(commentId)); 089 rejectComment(session, pageDoc, comment); 090 return redirect(dobj.getPath()); 091 } 092 093 @GET 094 @Path("approve") 095 public Response approve() { 096 DocumentObject dobj = (DocumentObject) getTarget(); 097 CoreSession session = dobj.getCoreSession(); 098 DocumentModel pageDoc = dobj.getDocument(); 099 FormData form = ctx.getForm(); 100 String commentId = form.getString(FormData.PROPERTY); 101 DocumentModel comment = session.getDocument(new IdRef(commentId)); 102 approveComent(session, pageDoc, comment); 103 return redirect(dobj.getPath()); 104 } 105 106 @GET 107 @Path("delete") 108 public Response remove() { 109 return deleteComment(); 110 } 111 112 @DELETE 113 public Response deleteComment() { 114 DocumentObject dobj = (DocumentObject) getTarget(); 115 CoreSession session = dobj.getCoreSession(); 116 FormData form = ctx.getForm(); 117 String docId = form.getString(FormData.PROPERTY); 118 DocumentModel comment = session.getDocument(new IdRef(docId)); 119 deleteComment(dobj.getDocument(), comment); 120 return redirect(dobj.getPath()); 121 } 122 123 public static CommentManager getCommentManager() { 124 return Framework.getService(CommentManager.class); 125 } 126 127 public static CommentsModerationService getCommentsModerationService() { 128 return Framework.getService(CommentsModerationService.class); 129 } 130 131 /** 132 * Can be overwritten to allow creation of localized comment. Defaults to create comment in comments root. 133 * 134 * @param session the core session 135 * @param target commented document 136 * @param comment comment itself 137 * @return the comment created 138 */ 139 protected DocumentModel createCommentDocument(CoreSession session, DocumentModel target, DocumentModel comment) { 140 return getCommentManager().createComment(target, comment); 141 } 142 143 /** 144 * Can be overwritten to allow workflow. Defaults to publish right away. 145 * 146 * @param session the core session 147 * @param target commented document 148 * @param comment comment itself 149 */ 150 protected void publishComment(CoreSession session, DocumentModel target, DocumentModel comment) { 151 getCommentsModerationService().publishComment(session, comment); 152 } 153 154 /** 155 * Can be overwritten to allow workflow. Defaults to delete right away. 156 * 157 * @param target commented document 158 * @param comment comment itself 159 */ 160 protected void deleteComment(DocumentModel target, DocumentModel comment) { 161 getCommentManager().deleteComment(target, comment); 162 } 163 164 /** 165 * Can be overwritten to allow workflow. Defaults to reject and delete right away. 166 * 167 * @param target commented document 168 * @param comment comment itself 169 */ 170 protected void rejectComment(CoreSession session, DocumentModel target, DocumentModel comment) { 171 getCommentsModerationService().rejectComment(session, target, comment.getId()); 172 getCommentManager().deleteComment(target, comment); 173 } 174 175 /** 176 * Can be overwritten to allow workflow. Defaults to approve right away. 177 * 178 * @param target commented document 179 * @param comment comment itself 180 */ 181 protected void approveComent(CoreSession session, DocumentModel target, DocumentModel comment) { 182 getCommentsModerationService().approveComent(session, target, comment.getId()); 183 } 184 185}