/**
* Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
package com.liferay.portlet.messageboards.action;
import com.liferay.portal.kernel.json.JSONFactoryUtil;
import com.liferay.portal.kernel.json.JSONObject;
import com.liferay.portal.kernel.servlet.SessionErrors;
import com.liferay.portal.kernel.util.Constants;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.workflow.WorkflowConstants;
import com.liferay.portal.model.User;
import com.liferay.portal.security.auth.PrincipalException;
import com.liferay.portal.security.auth.PrincipalThreadLocal;
import com.liferay.portal.service.ServiceContext;
import com.liferay.portal.service.ServiceContextFactory;
import com.liferay.portal.service.SubscriptionLocalServiceUtil;
import com.liferay.portal.service.UserLocalServiceUtil;
import com.liferay.portal.struts.PortletAction;
import com.liferay.portal.theme.ThemeDisplay;
import com.liferay.portal.util.PortalUtil;
import com.liferay.portal.util.WebKeys;
import com.liferay.portlet.messageboards.MessageBodyException;
import com.liferay.portlet.messageboards.NoSuchMessageException;
import com.liferay.portlet.messageboards.RequiredMessageException;
import com.liferay.portlet.messageboards.model.MBMessage;
import com.liferay.portlet.messageboards.service.MBMessageServiceUtil;
import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletConfig;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
/**
* @author Brian Wing Shun Chan
* @author Sergio González
*/
public class EditDiscussionAction extends PortletAction {
@Override
public void processAction(
ActionMapping actionMapping, ActionForm actionForm,
PortletConfig portletConfig, ActionRequest actionRequest,
ActionResponse actionResponse)
throws Exception {
String cmd = ParamUtil.getString(actionRequest, Constants.CMD);
try {
String redirect = PortalUtil.escapeRedirect(
ParamUtil.getString(actionRequest, "redirect"));
if (cmd.equals(Constants.ADD) || cmd.equals(Constants.UPDATE)) {
MBMessage message = updateMessage(actionRequest);
boolean ajax = ParamUtil.getBoolean(actionRequest, "ajax");
if (ajax) {
String randomNamespace = ParamUtil.getString(
actionRequest, "randomNamespace");
JSONObject jsonObject = JSONFactoryUtil.createJSONObject();
jsonObject.put("messageId", message.getMessageId());
jsonObject.put("randomNamespace", randomNamespace);
writeJSON(actionRequest, actionResponse, jsonObject);
return;
}
}
else if (cmd.equals(Constants.DELETE)) {
deleteMessage(actionRequest);
}
else if (cmd.equals(Constants.SUBSCRIBE_TO_COMMENTS)) {
subscribeToComments(actionRequest, true);
}
else if (cmd.equals(Constants.UNSUBSCRIBE_FROM_COMMENTS)) {
subscribeToComments(actionRequest, false);
}
sendRedirect(actionRequest, actionResponse, redirect);
}
catch (Exception e) {
if (e instanceof MessageBodyException ||
e instanceof NoSuchMessageException ||
e instanceof PrincipalException ||
e instanceof RequiredMessageException) {
JSONObject jsonObject = JSONFactoryUtil.createJSONObject();
jsonObject.putException(e);
writeJSON(actionRequest, actionResponse, jsonObject);
}
else {
throw e;
}
}
}
@Override
public ActionForward render(
ActionMapping actionMapping, ActionForm actionForm,
PortletConfig portletConfig, RenderRequest renderRequest,
RenderResponse renderResponse)
throws Exception {
try {
ActionUtil.getMessage(renderRequest);
}
catch (Exception e) {
if (e instanceof NoSuchMessageException ||
e instanceof PrincipalException) {
SessionErrors.add(renderRequest, e.getClass());
return actionMapping.findForward(
"portlet.message_boards.error");
}
else {
throw e;
}
}
return actionMapping.findForward(
getForward(
renderRequest, "portlet.message_boards.edit_discussion"));
}
protected void deleteMessage(ActionRequest actionRequest) throws Exception {
long groupId = PortalUtil.getScopeGroupId(actionRequest);
String className = ParamUtil.getString(actionRequest, "className");
long classPK = ParamUtil.getLong(actionRequest, "classPK");
String permissionClassName = ParamUtil.getString(
actionRequest, "permissionClassName");
long permissionClassPK = ParamUtil.getLong(
actionRequest, "permissionClassPK");
long permissionOwnerId = ParamUtil.getLong(
actionRequest, "permissionOwnerId");
long messageId = ParamUtil.getLong(actionRequest, "messageId");
MBMessageServiceUtil.deleteDiscussionMessage(
groupId, className, classPK, permissionClassName, permissionClassPK,
permissionOwnerId, messageId);
}
@Override
protected boolean isCheckMethodOnProcessAction() {
return _CHECK_METHOD_ON_PROCESS_ACTION;
}
protected void subscribeToComments(
ActionRequest actionRequest, boolean subscribe)
throws Exception {
ThemeDisplay themeDisplay = (ThemeDisplay)actionRequest.getAttribute(
WebKeys.THEME_DISPLAY);
String className = ParamUtil.getString(actionRequest, "className");
long classPK = ParamUtil.getLong(actionRequest, "classPK");
if (subscribe) {
SubscriptionLocalServiceUtil.addSubscription(
themeDisplay.getUserId(), themeDisplay.getScopeGroupId(),
className, classPK);
}
else {
SubscriptionLocalServiceUtil.deleteSubscription(
themeDisplay.getUserId(), className, classPK);
}
}
protected MBMessage updateMessage(ActionRequest actionRequest)
throws Exception {
ThemeDisplay themeDisplay = (ThemeDisplay)actionRequest.getAttribute(
WebKeys.THEME_DISPLAY);
String className = ParamUtil.getString(actionRequest, "className");
long classPK = ParamUtil.getLong(actionRequest, "classPK");
String permissionClassName = ParamUtil.getString(
actionRequest, "permissionClassName");
long permissionClassPK = ParamUtil.getLong(
actionRequest, "permissionClassPK");
long permissionOwnerId = ParamUtil.getLong(
actionRequest, "permissionOwnerId");
long messageId = ParamUtil.getLong(actionRequest, "messageId");
long threadId = ParamUtil.getLong(actionRequest, "threadId");
long parentMessageId = ParamUtil.getLong(
actionRequest, "parentMessageId");
String subject = ParamUtil.getString(actionRequest, "subject");
String body = ParamUtil.getString(actionRequest, "body");
ServiceContext serviceContext = ServiceContextFactory.getInstance(
MBMessage.class.getName(), actionRequest);
MBMessage message = null;
if (messageId <= 0) {
// Add message
User user = null;
if (themeDisplay.isSignedIn()) {
user = themeDisplay.getUser();
}
else {
String emailAddress = ParamUtil.getString(
actionRequest, "emailAddress");
user = UserLocalServiceUtil.fetchUserByEmailAddress(
themeDisplay.getCompanyId(), emailAddress);
if ((user == null) ||
(user.getStatus() != WorkflowConstants.STATUS_INCOMPLETE)) {
return null;
}
}
String name = PrincipalThreadLocal.getName();
PrincipalThreadLocal.setName(user.getUserId());
try {
message = MBMessageServiceUtil.addDiscussionMessage(
serviceContext.getScopeGroupId(), className, classPK,
permissionClassName, permissionClassPK, permissionOwnerId,
threadId, parentMessageId, subject, body, serviceContext);
}
finally {
PrincipalThreadLocal.setName(name);
}
}
else {
// Update message
message = MBMessageServiceUtil.updateDiscussionMessage(
className, classPK, permissionClassName, permissionClassPK,
permissionOwnerId, messageId, subject, body, serviceContext);
}
// Subscription
boolean subscribe = ParamUtil.getBoolean(actionRequest, "subscribe");
if (subscribe) {
SubscriptionLocalServiceUtil.addSubscription(
themeDisplay.getUserId(), themeDisplay.getScopeGroupId(),
className, classPK);
}
return message;
}
private static final boolean _CHECK_METHOD_ON_PROCESS_ACTION = false;
}