/*
* Copyright (c) 2009, 2010, 2011, 2012, B3log Team
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.b3log.solo.event.comment;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.b3log.latke.Keys;
import org.b3log.latke.event.AbstractEventListener;
import org.b3log.latke.event.Event;
import org.b3log.latke.event.EventException;
import org.b3log.latke.mail.MailService;
import org.b3log.latke.mail.MailService.Message;
import org.b3log.latke.mail.MailServiceFactory;
import org.b3log.latke.util.Strings;
import org.b3log.solo.SoloServletListener;
import org.b3log.solo.event.EventTypes;
import org.b3log.solo.model.Comment;
import org.b3log.solo.model.Preference;
import org.b3log.solo.repository.CommentRepository;
import org.b3log.solo.model.Article;
import org.b3log.solo.repository.impl.CommentRepositoryImpl;
import org.b3log.solo.service.PreferenceQueryService;
import org.json.JSONObject;
/**
* This listener is responsible for processing article comment reply.
*
* @author <a href="mailto:DL88250@gmail.com">Liang Ding</a>
* @version 1.0.1.4, Oct 31, 2011
* @since 0.3.1
*/
public final class ArticleCommentReplyNotifier
extends AbstractEventListener<JSONObject> {
/**
* Logger.
*/
private static final Logger LOGGER =
Logger.getLogger(ArticleCommentReplyNotifier.class.getName());
/**
* Comment repository.
*/
private CommentRepository commentRepository =
CommentRepositoryImpl.getInstance();
/**
* Mail service.
*/
private MailService mailService = MailServiceFactory.getMailService();
/**
* Preference query service.
*/
private PreferenceQueryService preferenceQueryService =
PreferenceQueryService.getInstance();
@Override
public void action(final Event<JSONObject> event) throws EventException {
final JSONObject eventData = event.getData();
final JSONObject comment = eventData.optJSONObject(Comment.COMMENT);
final JSONObject article = eventData.optJSONObject(Article.ARTICLE);
LOGGER.log(Level.FINER,
"Processing an event[type={0}, data={1}] in listener[className={2}]",
new Object[]{event.getType(),
eventData,
ArticleCommentReplyNotifier.class.getName()});
final String originalCommentId =
comment.optString(Comment.COMMENT_ORIGINAL_COMMENT_ID);
if (Strings.isEmptyOrNull(originalCommentId)) {
LOGGER.log(Level.FINER, "This comment[id={0}] is not a reply",
comment.optString(Keys.OBJECT_ID));
return;
}
try {
final String commentEmail = comment.getString(Comment.COMMENT_EMAIL);
final JSONObject originalComment =
commentRepository.get(originalCommentId);
final String originalCommentEmail =
originalComment.getString(Comment.COMMENT_EMAIL);
if (originalCommentEmail.equalsIgnoreCase(commentEmail)) {
return;
}
final JSONObject preference = preferenceQueryService.getPreference();
if (null == preference) {
throw new EventException("Not found preference");
}
final String blogTitle =
preference.getString(Preference.BLOG_TITLE);
final String adminEmail =
preference.getString(Preference.ADMIN_EMAIL);
final String commentContent =
comment.getString(Comment.COMMENT_CONTENT).
replaceAll(SoloServletListener.ENTER_ESC, "<br/>");
final String commentSharpURL =
comment.getString(Comment.COMMENT_SHARP_URL);
final Message message = new Message();
message.setFrom(adminEmail);
message.addRecipient(originalCommentEmail);
final JSONObject replyNotificationTemplate =
preferenceQueryService.getReplyNotificationTemplate();
final String mailSubject = replyNotificationTemplate.getString(
"subject").replace("${blogTitle}", blogTitle);
message.setSubject(mailSubject);
final String articleTitle = article.getString(Article.ARTICLE_TITLE);
final String blogHost = preference.getString(Preference.BLOG_HOST);
final String articleLink = "http://" + blogHost + article.getString(
Article.ARTICLE_PERMALINK);
final String commentName = comment.getString(Comment.COMMENT_NAME);
final String commentURL = comment.getString(Comment.COMMENT_URL);
String commenter = null;
if (!"http://".equals(commentURL)) {
commenter = "<a target=\"_blank\" " + "href=\"" + commentURL
+ "\">" + commentName + "</a>";
} else {
commenter = commentName;
}
final String mailBody = replyNotificationTemplate.getString("body").
replace("${postLink}", articleLink).
replace("${postTitle}", articleTitle).
replace("${replier}", commenter).
replace("${replyURL}", "http://" + blogHost
+ commentSharpURL).
replace("${replyContent}", commentContent);
message.setHtmlBody(mailBody);
LOGGER.log(Level.FINER,
"Sending a mail[mailSubject={0}, mailBody=[{1}] to [{2}]",
new Object[]{mailSubject, mailBody,
originalCommentEmail});
mailService.send(message);
} catch (final Exception e) {
LOGGER.log(Level.SEVERE, e.getMessage(), e);
throw new EventException("Reply notifier error!");
}
}
/**
* Gets the event type {@linkplain EventTypes#ADD_COMMENT_TO_ARTICLE}.
*
* @return event type
*/
@Override
public String getEventType() {
return EventTypes.ADD_COMMENT_TO_ARTICLE;
}
}