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com.liferay.comment.taglib.internal.struts.EditDiscussionStrutsAction Maven / Gradle / Ivy
/**
* Copyright (c) 2000-present 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.comment.taglib.internal.struts;
import com.liferay.asset.kernel.model.AssetEntry;
import com.liferay.asset.kernel.service.AssetEntryLocalService;
import com.liferay.message.boards.exception.DiscussionMaxCommentsException;
import com.liferay.message.boards.exception.MessageBodyException;
import com.liferay.message.boards.exception.NoSuchMessageException;
import com.liferay.message.boards.exception.RequiredMessageException;
import com.liferay.petra.string.StringPool;
import com.liferay.portal.kernel.comment.Comment;
import com.liferay.portal.kernel.comment.CommentManager;
import com.liferay.portal.kernel.comment.DiscussionPermission;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.json.JSONFactoryUtil;
import com.liferay.portal.kernel.json.JSONObject;
import com.liferay.portal.kernel.model.User;
import com.liferay.portal.kernel.security.auth.AuthTokenUtil;
import com.liferay.portal.kernel.security.auth.PrincipalException;
import com.liferay.portal.kernel.security.auth.PrincipalThreadLocal;
import com.liferay.portal.kernel.service.ServiceContext;
import com.liferay.portal.kernel.service.ServiceContextFunction;
import com.liferay.portal.kernel.service.UserLocalService;
import com.liferay.portal.kernel.servlet.ServletResponseUtil;
import com.liferay.portal.kernel.struts.BaseStrutsAction;
import com.liferay.portal.kernel.struts.StrutsAction;
import com.liferay.portal.kernel.theme.ThemeDisplay;
import com.liferay.portal.kernel.util.Constants;
import com.liferay.portal.kernel.util.ContentTypes;
import com.liferay.portal.kernel.util.Function;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.Portal;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portal.kernel.workflow.WorkflowConstants;
import com.liferay.portal.servlet.NamespaceServletRequest;
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;
/**
* @author Adolfo Pérez
*/
@Component(
immediate = true, property = "path=/portal/comment/discussion/edit",
service = StrutsAction.class
)
public class EditDiscussionStrutsAction extends BaseStrutsAction {
@Override
public String execute(
HttpServletRequest request, HttpServletResponse response)
throws Exception {
AuthTokenUtil.checkCSRFToken(
request, EditDiscussionStrutsAction.class.getName());
String namespace = ParamUtil.getString(request, "namespace");
HttpServletRequest namespacedRequest = new NamespaceServletRequest(
request, StringPool.BLANK, namespace);
String cmd = ParamUtil.getString(namespacedRequest, Constants.CMD);
try {
String redirect = _portal.escapeRedirect(
ParamUtil.getString(request, "redirect"));
if (cmd.equals(Constants.ADD) || cmd.equals(Constants.UPDATE)) {
long commentId = updateComment(namespacedRequest);
boolean ajax = ParamUtil.getBoolean(request, "ajax", true);
if (ajax) {
String randomNamespace = ParamUtil.getString(
namespacedRequest, "randomNamespace");
JSONObject jsonObject = JSONFactoryUtil.createJSONObject();
jsonObject.put("commentId", commentId);
jsonObject.put("randomNamespace", randomNamespace);
writeJSON(namespacedRequest, response, jsonObject);
return null;
}
}
else if (cmd.equals(Constants.DELETE)) {
deleteComment(namespacedRequest);
}
else if (cmd.equals(Constants.SUBSCRIBE_TO_COMMENTS)) {
subscribeToComments(namespacedRequest, true);
}
else if (cmd.equals(Constants.UNSUBSCRIBE_FROM_COMMENTS)) {
subscribeToComments(namespacedRequest, false);
}
if (Validator.isNotNull(redirect)) {
response.sendRedirect(redirect);
}
}
catch (DiscussionMaxCommentsException | MessageBodyException |
NoSuchMessageException | PrincipalException |
RequiredMessageException e) {
JSONObject jsonObject = JSONFactoryUtil.createJSONObject();
jsonObject.putException(e);
writeJSON(namespacedRequest, response, jsonObject);
}
return null;
}
protected void deleteComment(HttpServletRequest request) throws Exception {
ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
WebKeys.THEME_DISPLAY);
long commentId = ParamUtil.getLong(request, "commentId");
DiscussionPermission discussionPermission = _getDiscussionPermission(
themeDisplay);
discussionPermission.checkDeletePermission(commentId);
_commentManager.deleteComment(commentId);
}
protected void subscribeToComments(
HttpServletRequest request, boolean subscribe)
throws Exception {
ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
WebKeys.THEME_DISPLAY);
DiscussionPermission discussionPermission = _getDiscussionPermission(
themeDisplay);
String className = ParamUtil.getString(request, "className");
long classPK = ParamUtil.getLong(request, "classPK");
AssetEntry assetEntry = _assetEntryLocalService.getEntry(
className, classPK);
discussionPermission.checkSubscribePermission(
assetEntry.getCompanyId(), assetEntry.getGroupId(),
assetEntry.getClassName(), assetEntry.getClassPK());
if (subscribe) {
_commentManager.subscribeDiscussion(
themeDisplay.getUserId(), assetEntry.getGroupId(),
assetEntry.getClassName(), assetEntry.getClassPK());
}
else {
_commentManager.unsubscribeDiscussion(
themeDisplay.getUserId(), assetEntry.getClassName(),
assetEntry.getClassPK());
}
}
protected long updateComment(HttpServletRequest request) throws Exception {
ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
WebKeys.THEME_DISPLAY);
long commentId = ParamUtil.getLong(request, "commentId");
String className = ParamUtil.getString(request, "className");
long classPK = ParamUtil.getLong(request, "classPK");
long parentCommentId = ParamUtil.getLong(request, "parentCommentId");
String subject = ParamUtil.getString(request, "subject");
String body = ParamUtil.getString(request, "body");
Function serviceContextFunction =
new ServiceContextFunction(request);
DiscussionPermission discussionPermission = _getDiscussionPermission(
themeDisplay);
AssetEntry assetEntry = _getAssetEntry(commentId, className, classPK);
if (commentId <= 0) {
// Add message
User user = null;
if (themeDisplay.isSignedIn()) {
user = themeDisplay.getUser();
}
else {
String emailAddress = ParamUtil.getString(
request, "emailAddress");
user = _userLocalService.fetchUserByEmailAddress(
themeDisplay.getCompanyId(), emailAddress);
if ((user == null) ||
(user.getStatus() != WorkflowConstants.STATUS_INCOMPLETE)) {
return 0;
}
}
String name = PrincipalThreadLocal.getName();
PrincipalThreadLocal.setName(user.getUserId());
try {
discussionPermission.checkAddPermission(
assetEntry.getCompanyId(), assetEntry.getGroupId(),
assetEntry.getClassName(), assetEntry.getClassPK());
commentId = _commentManager.addComment(
user.getUserId(), assetEntry.getClassName(),
assetEntry.getClassPK(), user.getFullName(),
parentCommentId, subject, body, serviceContextFunction);
}
finally {
PrincipalThreadLocal.setName(name);
}
}
else {
// Update message
discussionPermission.checkUpdatePermission(commentId);
commentId = _commentManager.updateComment(
themeDisplay.getUserId(), assetEntry.getClassName(),
assetEntry.getClassPK(), commentId, subject, body,
serviceContextFunction);
}
// Subscription
boolean subscribe = ParamUtil.getBoolean(request, "subscribe");
if (subscribe) {
_commentManager.subscribeDiscussion(
themeDisplay.getUserId(), assetEntry.getGroupId(),
assetEntry.getClassName(), assetEntry.getClassPK());
}
return commentId;
}
protected void writeJSON(
HttpServletRequest request, HttpServletResponse response,
Object jsonObj)
throws IOException {
response.setContentType(ContentTypes.APPLICATION_JSON);
ServletResponseUtil.write(response, jsonObj.toString());
response.flushBuffer();
}
private AssetEntry _getAssetEntry(
long commentId, String className, long classPK)
throws PortalException {
if (Validator.isNotNull(className) && (classPK > 0)) {
return _assetEntryLocalService.getEntry(className, classPK);
}
Comment comment = _commentManager.fetchComment(commentId);
return _assetEntryLocalService.getEntry(
comment.getClassName(), comment.getClassPK());
}
private DiscussionPermission _getDiscussionPermission(
ThemeDisplay themeDisplay)
throws PrincipalException {
DiscussionPermission discussionPermission =
_commentManager.getDiscussionPermission(
themeDisplay.getPermissionChecker());
if (discussionPermission == null) {
throw new PrincipalException("Discussion permission is null");
}
return discussionPermission;
}
@Reference
private AssetEntryLocalService _assetEntryLocalService;
@Reference
private CommentManager _commentManager;
@Reference
private Portal _portal;
@Reference
private UserLocalService _userLocalService;
}
