001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.messageboards.action;
016    
017    import com.liferay.portal.kernel.servlet.SessionErrors;
018    import com.liferay.portal.kernel.util.GetterUtil;
019    import com.liferay.portal.kernel.util.ObjectValuePair;
020    import com.liferay.portal.kernel.util.ParamUtil;
021    import com.liferay.portal.kernel.util.StringUtil;
022    import com.liferay.portal.security.auth.PrincipalException;
023    import com.liferay.portal.service.ServiceContext;
024    import com.liferay.portal.service.ServiceContextFactory;
025    import com.liferay.portal.struts.PortletAction;
026    import com.liferay.portal.theme.ThemeDisplay;
027    import com.liferay.portal.util.PortalUtil;
028    import com.liferay.portal.util.WebKeys;
029    import com.liferay.portlet.ActionResponseImpl;
030    import com.liferay.portlet.messageboards.MessageBodyException;
031    import com.liferay.portlet.messageboards.MessageSubjectException;
032    import com.liferay.portlet.messageboards.NoSuchMessageException;
033    import com.liferay.portlet.messageboards.NoSuchThreadException;
034    import com.liferay.portlet.messageboards.RequiredMessageException;
035    import com.liferay.portlet.messageboards.SplitThreadException;
036    import com.liferay.portlet.messageboards.model.MBMessage;
037    import com.liferay.portlet.messageboards.model.MBMessageConstants;
038    import com.liferay.portlet.messageboards.model.MBThread;
039    import com.liferay.portlet.messageboards.model.MBThreadConstants;
040    import com.liferay.portlet.messageboards.service.MBMessageLocalServiceUtil;
041    import com.liferay.portlet.messageboards.service.MBMessageServiceUtil;
042    import com.liferay.portlet.messageboards.service.MBThreadServiceUtil;
043    import com.liferay.portlet.messageboards.util.MBUtil;
044    
045    import java.io.InputStream;
046    
047    import java.util.Collections;
048    
049    import javax.portlet.ActionRequest;
050    import javax.portlet.ActionResponse;
051    import javax.portlet.PortletConfig;
052    import javax.portlet.PortletPreferences;
053    import javax.portlet.PortletURL;
054    import javax.portlet.RenderRequest;
055    import javax.portlet.RenderResponse;
056    
057    import org.apache.struts.action.ActionForm;
058    import org.apache.struts.action.ActionForward;
059    import org.apache.struts.action.ActionMapping;
060    
061    /**
062     * @author Jorge Ferrer
063     */
064    public class SplitThreadAction extends PortletAction {
065    
066            @Override
067            public void processAction(
068                            ActionMapping actionMapping, ActionForm actionForm,
069                            PortletConfig portletConfig, ActionRequest actionRequest,
070                            ActionResponse actionResponse)
071                    throws Exception {
072    
073                    try {
074                            splitThread(actionRequest, actionResponse);
075                    }
076                    catch (Exception e) {
077                            if (e instanceof PrincipalException ||
078                                    e instanceof RequiredMessageException) {
079    
080                                    SessionErrors.add(actionRequest, e.getClass());
081    
082                                    setForward(actionRequest, "portlet.message_boards.error");
083                            }
084                            else if (e instanceof MessageBodyException ||
085                                             e instanceof MessageSubjectException ||
086                                             e instanceof NoSuchThreadException ||
087                                             e instanceof SplitThreadException) {
088    
089                                    SessionErrors.add(actionRequest, e.getClass());
090                            }
091                            else {
092                                    throw e;
093                            }
094                    }
095            }
096    
097            @Override
098            public ActionForward render(
099                            ActionMapping actionMapping, ActionForm actionForm,
100                            PortletConfig portletConfig, RenderRequest renderRequest,
101                            RenderResponse renderResponse)
102                    throws Exception {
103    
104                    try {
105                            ActionUtil.getMessage(renderRequest);
106                    }
107                    catch (Exception e) {
108                            if (e instanceof NoSuchMessageException ||
109                                    e instanceof PrincipalException) {
110    
111                                    SessionErrors.add(renderRequest, e.getClass());
112    
113                                    return actionMapping.findForward(
114                                            "portlet.message_boards.error");
115                            }
116                            else {
117                                    throw e;
118                            }
119                    }
120    
121                    return actionMapping.findForward(
122                            getForward(renderRequest, "portlet.message_boards.split_thread"));
123            }
124    
125            protected void splitThread(
126                            ActionRequest actionRequest, ActionResponse actionResponse)
127                    throws Exception {
128    
129                    PortletPreferences portletPreferences = actionRequest.getPreferences();
130    
131                    ThemeDisplay themeDisplay = (ThemeDisplay)actionRequest.getAttribute(
132                            WebKeys.THEME_DISPLAY);
133    
134                    long messageId = ParamUtil.getLong(actionRequest, "messageId");
135    
136                    String splitThreadSubject = ParamUtil.getString(
137                            actionRequest, "splitThreadSubject");
138    
139                    ServiceContext serviceContext = ServiceContextFactory.getInstance(
140                            MBThread.class.getName(), actionRequest);
141    
142                    MBMessage message = MBMessageLocalServiceUtil.getMessage(messageId);
143    
144                    long oldParentMessageId = message.getParentMessageId();
145    
146                    MBThread newThread = MBThreadServiceUtil.splitThread(
147                            messageId, splitThreadSubject, serviceContext);
148    
149                    boolean addExplanationPost = ParamUtil.getBoolean(
150                            actionRequest, "addExplanationPost");
151    
152                    if (addExplanationPost) {
153                            String subject = ParamUtil.getString(actionRequest, "subject");
154                            String body = ParamUtil.getString(actionRequest, "body");
155    
156                            String format = GetterUtil.getString(
157                                    portletPreferences.getValue("messageFormat", null),
158                                    MBMessageConstants.DEFAULT_FORMAT);
159    
160                            if (!MBUtil.isValidMessageFormat(format)) {
161                                    format = "html";
162                            }
163    
164                            String layoutFullURL = PortalUtil.getLayoutFullURL(themeDisplay);
165    
166                            String newThreadURL =
167                                    layoutFullURL + "/-/message_boards/view_message/" +
168                                            message.getMessageId();
169    
170                            body = StringUtil.replace(
171                                    body, MBThreadConstants.NEW_THREAD_URL, newThreadURL);
172    
173                            serviceContext.setAddGroupPermissions(true);
174                            serviceContext.setAddGuestPermissions(true);
175    
176                            MBMessageServiceUtil.addMessage(
177                                    oldParentMessageId, subject, body, format,
178                                    Collections.<ObjectValuePair<String, InputStream>>emptyList(),
179                                    false, MBThreadConstants.PRIORITY_NOT_GIVEN,
180                                    message.getAllowPingbacks(), serviceContext);
181                    }
182    
183                    PortletURL portletURL =
184                            ((ActionResponseImpl)actionResponse).createRenderURL();
185    
186                    portletURL.setParameter(
187                            "struts_action", "/message_boards/view_message");
188                    portletURL.setParameter(
189                            "messageId", String.valueOf(newThread.getRootMessageId()));
190    
191                    actionResponse.sendRedirect(portletURL.toString());
192            }
193    
194    }