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jforum example source code file (PostAction.java)

This example jforum source code file (PostAction.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - jforum tags/keywords

io, map, moderationhelper, poll, polldao, post, post, postdao, postdao, string, string, text, topic, topic, topicdao, user, util

The jforum PostAction.java source code

/*
 * Copyright (c) JForum Team
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, 
 * with or without modification, are permitted provided 
 * that the following conditions are met:
 * 
 * 1) Redistributions of source code must retain the above 
 * copyright notice, this list of conditions and the 
 * following  disclaimer.
 * 2)  Redistributions in binary form must reproduce the 
 * above copyright notice, this list of conditions and 
 * the following disclaimer in the documentation and/or 
 * other materials provided with the distribution.
 * 3) Neither the name of "Rafael Steil" nor 
 * the names of its contributors may be used to endorse 
 * or promote products derived from this software without 
 * specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT 
 * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, 
 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 
 * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE 
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 
 * IN CONTRACT, STRICT LIABILITY, OR TORT 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
 * 
 * This file creation date: May 3, 2003 / 5:05:18 PM
 * The JForum Project
 * http://www.jforum.net
 */
package net.jforum.view.forum;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.text.SimpleDateFormat;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import net.jforum.Command;
import net.jforum.JForumExecutionContext;
import net.jforum.SessionFacade;
import net.jforum.context.RequestContext;
import net.jforum.dao.AttachmentDAO;
import net.jforum.dao.DataAccessDriver;
import net.jforum.dao.ForumDAO;
import net.jforum.dao.KarmaDAO;
import net.jforum.dao.PollDAO;
import net.jforum.dao.PostDAO;
import net.jforum.dao.TopicDAO;
import net.jforum.dao.UserDAO;
import net.jforum.entities.Attachment;
import net.jforum.entities.Forum;
import net.jforum.entities.ModerationLog;
import net.jforum.entities.Poll;
import net.jforum.entities.PollChanges;
import net.jforum.entities.Post;
import net.jforum.entities.QuotaLimit;
import net.jforum.entities.Topic;
import net.jforum.entities.User;
import net.jforum.entities.UserSession;
import net.jforum.exceptions.AttachmentException;
import net.jforum.exceptions.ForumException;
import net.jforum.repository.ForumRepository;
import net.jforum.repository.PostRepository;
import net.jforum.repository.RankingRepository;
import net.jforum.repository.SecurityRepository;
import net.jforum.repository.SmiliesRepository;
import net.jforum.repository.TopicRepository;
import net.jforum.security.PermissionControl;
import net.jforum.security.SecurityConstants;
import net.jforum.util.I18n;
import net.jforum.util.preferences.ConfigKeys;
import net.jforum.util.preferences.SystemGlobals;
import net.jforum.util.preferences.TemplateKeys;
import net.jforum.view.forum.common.AttachmentCommon;
import net.jforum.view.forum.common.ForumCommon;
import net.jforum.view.forum.common.PollCommon;
import net.jforum.view.forum.common.PostCommon;
import net.jforum.view.forum.common.TopicsCommon;
import net.jforum.view.forum.common.ViewCommon;

import org.apache.commons.lang.StringUtils;

import freemarker.template.SimpleHash;

/**
 * @author Rafael Steil
 * @version $Id: PostAction.java,v 1.198 2007/09/27 04:47:19 rafaelsteil Exp $
 */
public class PostAction extends Command 
{
	public PostAction() {
	}

	public PostAction(RequestContext request, SimpleHash templateContext) {
		super.context = templateContext;
		super.request = request;
	}

	public void list()
	{
		PostDAO postDao = DataAccessDriver.getInstance().newPostDAO();
		PollDAO pollDao = DataAccessDriver.getInstance().newPollDAO();

		TopicDAO topicDao = DataAccessDriver.getInstance().newTopicDAO();

		UserSession us = SessionFacade.getUserSession();
		int anonymousUser = SystemGlobals.getIntValue(ConfigKeys.ANONYMOUS_USER_ID);
		boolean logged = SessionFacade.isLogged();
		
		int topicId = this.request.getIntParameter("topic_id");
		
		Topic topic = TopicRepository.getTopic(new Topic(topicId));
		
		if (topic == null) {
			topic = topicDao.selectById(topicId);
		}

		// The topic exists?
		if (topic.getId() == 0) {
			this.topicNotFound();
			return;
		}

		// Shall we proceed?
		Forum forum = ForumRepository.getForum(topic.getForumId());
		
		if (!logged) {
			if (forum == null || !ForumRepository.isCategoryAccessible(forum.getCategoryId())) {
				this.setTemplateName(ViewCommon.contextToLogin());
				return;
			}
		}
		else if (!TopicsCommon.isTopicAccessible(topic.getForumId())) {
			return;
		}

		int count = SystemGlobals.getIntValue(ConfigKeys.POSTS_PER_PAGE);
		int start = ViewCommon.getStartPage();

		PermissionControl pc = SecurityRepository.get(us.getUserId());

		boolean moderatorCanEdit = false;
		if (pc.canAccess(SecurityConstants.PERM_MODERATION_POST_EDIT)) {
			moderatorCanEdit = true;
		}

		List helperList = PostCommon.topicPosts(postDao, moderatorCanEdit, us.getUserId(), topic.getId(), start, count);
		
		// Ugly assumption:
		// Is moderation pending for the topic?
		if (topic.isModerated() && helperList.size() == 0) {
			this.notModeratedYet();
			return;
		}

		// Set the topic status as read
		if (logged) {
			topicDao.updateReadStatus(topic.getId(), us.getUserId(), true);
		}

		boolean canVoteOnPoll = logged && SecurityRepository.canAccess(SecurityConstants.PERM_VOTE);
		Poll poll = null;
		
		if (topic.isVote()) {
			// It has a poll associated with the topic
			poll = pollDao.selectById(topic.getVoteId());
			
			if (canVoteOnPoll) {
				canVoteOnPoll = !pollDao.hasUserVotedOnPoll(topic.getVoteId(), us.getUserId());
			}
		}
		
		topicDao.incrementTotalViews(topic.getId());
		topic.setTotalViews(topic.getTotalViews() + 1);

		if (us.getUserId() != anonymousUser) {
			SessionFacade.getTopicsReadTime().put(new Integer(topic.getId()),
				new Long(System.currentTimeMillis()));
		}
		
		boolean karmaEnabled = SecurityRepository.canAccess(SecurityConstants.PERM_KARMA_ENABLED);
		Map userVotes = new HashMap();
		
		if (logged && karmaEnabled) {
			userVotes = DataAccessDriver.getInstance().newKarmaDAO().getUserVotes(topic.getId(), us.getUserId());
		}
		
		this.setTemplateName(TemplateKeys.POSTS_LIST);
		this.context.put("attachmentsEnabled", pc.canAccess(
			SecurityConstants.PERM_ATTACHMENTS_ENABLED, Integer.toString(topic.getForumId())));
		this.context.put("canDownloadAttachments", pc.canAccess(
			SecurityConstants.PERM_ATTACHMENTS_DOWNLOAD));
		this.context.put("thumbShowBox", SystemGlobals.getBoolValue(ConfigKeys.ATTACHMENTS_IMAGES_THUMB_BOX_SHOW));
		this.context.put("am", new AttachmentCommon(this.request, topic.getForumId()));
		this.context.put("karmaVotes", userVotes);
		this.context.put("rssEnabled", SystemGlobals.getBoolValue(ConfigKeys.RSS_ENABLED));
		this.context.put("canRemove", pc.canAccess(SecurityConstants.PERM_MODERATION_POST_REMOVE));
		this.context.put("moderatorCanEdit", moderatorCanEdit);
		this.context.put("allCategories", ForumCommon.getAllCategoriesAndForums(false));
		this.context.put("topic", topic);
		this.context.put("poll", poll);
		this.context.put("canVoteOnPoll", canVoteOnPoll);
		this.context.put("rank", new RankingRepository());
		this.context.put("posts", helperList);
		this.context.put("forum", forum);
		this.context.put("karmaMin", new Integer(SystemGlobals.getValue(ConfigKeys.KARMA_MIN_POINTS)));
		this.context.put("karmaMax", new Integer(SystemGlobals.getValue(ConfigKeys.KARMA_MAX_POINTS)));
		this.context.put("avatarAllowExternalUrl", SystemGlobals.getBoolValue(ConfigKeys.AVATAR_ALLOW_EXTERNAL_URL));
		this.context.put("moderationLoggingEnabled", SystemGlobals.getBoolValue(ConfigKeys.MODERATION_LOGGING_ENABLED));
		this.context.put("needCaptcha", SystemGlobals.getBoolValue(ConfigKeys.CAPTCHA_POSTS));
		
		Map topicPosters = topicDao.topicPosters(topic.getId());
		
		for (Iterator iter = topicPosters.values().iterator(); iter.hasNext(); ) {
			ViewCommon.prepareUserSignature((User)iter.next());
		}
		
		this.context.put("users", topicPosters);
		this.context.put("anonymousPosts", pc.canAccess(SecurityConstants.PERM_ANONYMOUS_POST, 
			Integer.toString(topic.getForumId())));
		this.context.put("watching", topicDao.isUserSubscribed(topicId, SessionFacade.getUserSession().getUserId()));
		this.context.put("pageTitle", topic.getTitle());
		this.context.put("isAdmin", pc.canAccess(SecurityConstants.PERM_ADMINISTRATION));
		this.context.put("readonly", !pc.canAccess(SecurityConstants.PERM_READ_ONLY_FORUMS, 
			Integer.toString(topic.getForumId())));
		this.context.put("replyOnly", !pc.canAccess(SecurityConstants.PERM_REPLY_ONLY, 
			Integer.toString(topic.getForumId())));

		this.context.put("isModerator", us.isModerator(topic.getForumId()));

		ViewCommon.contextToPagination(start, topic.getTotalReplies() + 1, count);
		
		TopicsCommon.topicListingBase();
		TopicRepository.updateTopic(topic);
	}
	
	/**
	 * Given a postId, sends the user to the right page
	 */
	public void preList()
	{
		int postId = this.request.getIntParameter("post_id");
		
		PostDAO dao = DataAccessDriver.getInstance().newPostDAO();
		
		int count = dao.countPreviousPosts(postId);
		int postsPerPage = SystemGlobals.getIntValue(ConfigKeys.POSTS_PER_PAGE);
		
		int topicId = 0;
		
		if (this.request.getParameter("topic_id") != null) {
			topicId = this.request.getIntParameter("topic_id");
		}
		
		if (topicId == 0) {
			Post post = dao.selectById(postId);
			topicId = post.getTopicId();
		}
		
		String page = "";
		
		if (count > postsPerPage) {
			page = Integer.toString(postsPerPage * ((count - 1) / postsPerPage)) + "/";
		} 

		JForumExecutionContext.setRedirect(this.request.getContextPath() + "/posts/list/"
			+ page + topicId
			+ SystemGlobals.getValue(ConfigKeys.SERVLET_EXTENSION) 
			+ "#" + postId);
	}
	
	/**
	 * Votes on a poll.
	 */
	public void vote()
	{
		int pollId = this.request.getIntParameter("poll_id");
		int topicId = this.request.getIntParameter("topic_id");
		
		if (SessionFacade.isLogged() && this.request.getParameter("poll_option") != null) {
			Topic topic = TopicRepository.getTopic(new Topic(topicId));
			
			if (topic == null) {
				topic = DataAccessDriver.getInstance().newTopicDAO().selectRaw(topicId);
			}
			
			if (topic.getStatus() == Topic.STATUS_LOCKED) {
				this.topicLocked();
				return;
			}
			
			// They voted, save the value
			int optionId = this.request.getIntParameter("poll_option");
			
			PollDAO dao = DataAccessDriver.getInstance().newPollDAO();
			
			//vote on the poll
			UserSession user = SessionFacade.getUserSession();
			dao.voteOnPoll(pollId, optionId, user.getUserId(), request.getRemoteAddr());
		}

		JForumExecutionContext.setRedirect(this.request.getContextPath() 
			+ "/posts/list/"
			+ topicId
			+ SystemGlobals.getValue(ConfigKeys.SERVLET_EXTENSION));
	}

	public void listByUser()
	{
		PostDAO pm = DataAccessDriver.getInstance().newPostDAO();
		UserDAO um = DataAccessDriver.getInstance().newUserDAO();
		TopicDAO tm = DataAccessDriver.getInstance().newTopicDAO();

		User u = um.selectById(this.request.getIntParameter("user_id"));
		
		if (u.getId() == 0) {
			this.context.put("message", I18n.getMessage("User.notFound"));
			this.setTemplateName(TemplateKeys.USER_NOT_FOUND);
			return;
		} 
			
		int count = SystemGlobals.getIntValue(ConfigKeys.POSTS_PER_PAGE);
		int start = ViewCommon.getStartPage();
		int postsPerPage = SystemGlobals.getIntValue(ConfigKeys.POSTS_PER_PAGE);
		
		List posts = pm.selectByUserByLimit(u.getId(), start, postsPerPage);
		int totalMessages = pm.countUserPosts(u.getId());
		
		// get list of forums
		Map topics = new HashMap();
		Map forums = new HashMap();
		
		for (Iterator iter = posts.iterator(); iter.hasNext(); ) {
			Post p = (Post)iter.next();

			if (!topics.containsKey(new Integer(p.getTopicId()))) {
				Topic t = TopicRepository.getTopic(new Topic(p.getTopicId()));
				
				if (t == null) {
					t = tm.selectRaw(p.getTopicId());
				}
				
				this.context.put("attachmentsEnabled", SecurityRepository.canAccess(
						SecurityConstants.PERM_ATTACHMENTS_ENABLED, Integer.toString(t.getForumId())));
				this.context.put("am", new AttachmentCommon(this.request, t.getForumId()));				
	
				topics.put(new Integer(t.getId()), t);
			}
			
			if (!forums.containsKey(new Integer(p.getForumId()))) {
				Forum f = ForumRepository.getForum(p.getForumId());
				
				if (f == null) {
					// Ok, probably the user does not have permission to see this forum
					iter.remove();
					totalMessages--;
					continue;
				}
				
				forums.put(new Integer(f.getId()), f);
			}
			
			PostCommon.preparePostForDisplay(p);
		}
		
		this.setTemplateName(TemplateKeys.POSTS_USER_POSTS_LIST);
		
		this.context.put("canDownloadAttachments", SecurityRepository.canAccess(
				SecurityConstants.PERM_ATTACHMENTS_DOWNLOAD));				
		this.context.put("rssEnabled", SystemGlobals.getBoolValue(ConfigKeys.RSS_ENABLED));
		this.context.put("allCategories", ForumCommon.getAllCategoriesAndForums(false));
		this.context.put("posts", posts);
		this.context.put("topics", topics);
		this.context.put("forums", forums);
		this.context.put("u", u);
		this.context.put("pageTitle", I18n.getMessage("PostShow.userPosts") + " " + u.getUsername());
		this.context.put("karmaMin", new Integer(SystemGlobals.getValue(ConfigKeys.KARMA_MIN_POINTS)));
		this.context.put("karmaMax", new Integer(SystemGlobals.getValue(ConfigKeys.KARMA_MAX_POINTS)));
		
		ViewCommon.contextToPagination(start, totalMessages, count);
	}

	public void review()
	{
		PostDAO postDao = DataAccessDriver.getInstance().newPostDAO();
		TopicDAO topicDao = DataAccessDriver.getInstance().newTopicDAO();

		int userId = SessionFacade.getUserSession().getUserId();
		int topicId = this.request.getIntParameter("topic_id");
		
		Topic topic = TopicRepository.getTopic(new Topic(topicId));
		
		if (topic == null) {
			topic = topicDao.selectById(topicId);
		}

		if (!TopicsCommon.isTopicAccessible(topic.getForumId())) {
			return;
		}

		int count = SystemGlobals.getIntValue(ConfigKeys.POSTS_PER_PAGE);
		int start = ViewCommon.getStartPage();

		Map usersMap = topicDao.topicPosters(topic.getId());
		List helperList = PostCommon.topicPosts(postDao, false, userId, topic.getId(), start, count);
		Collections.reverse(helperList);

		this.setTemplateName(SystemGlobals.getValue(ConfigKeys.TEMPLATE_DIR) + "/empty.htm");

		this.setTemplateName(TemplateKeys.POSTS_REVIEW);
		this.context.put("posts", helperList);
		this.context.put("users", usersMap);
	}

	private void topicNotFound() {
		this.setTemplateName(TemplateKeys.POSTS_TOPIC_NOT_FOUND);
		this.context.put("message", I18n.getMessage("PostShow.TopicNotFound"));
	}

	private void postNotFound() {
		this.setTemplateName(TemplateKeys.POSTS_POST_NOT_FOUND);
		this.context.put("message", I18n.getMessage("PostShow.PostNotFound"));
	}
	
	private void replyOnly()
	{
		this.setTemplateName(TemplateKeys.POSTS_REPLY_ONLY);
		this.context.put("message", I18n.getMessage("PostShow.replyOnly"));
	}
	
	private boolean isReplyOnly(int forumId)
	{
		return !SecurityRepository.canAccess(SecurityConstants.PERM_REPLY_ONLY, 
				Integer.toString(forumId));
	}
	
	public void reply()
	{
		this.insert();
	}

	public void insert()
	{
		int forumId;

		// If we have a topic_id, then it should be a reply
		if (this.request.getParameter("topic_id") != null) {
			int topicId = this.request.getIntParameter("topic_id");
			
			Topic t = TopicRepository.getTopic(new Topic(topicId));
			
			if (t == null) {
				t = DataAccessDriver.getInstance().newTopicDAO().selectRaw(topicId);
				
				if (t == null) {
					throw new ForumException("Could not find a topic with id #" + topicId);
				}
			}
			
			forumId = t.getForumId();
			
			if (!TopicsCommon.isTopicAccessible(t.getForumId())) {
				return;
			}

			if (t.getStatus() == Topic.STATUS_LOCKED) {
				this.topicLocked();
				return;
			}

			this.context.put("topic", t);
			this.context.put("setType", false);
			this.context.put("pageTitle", I18n.getMessage("PostForm.reply")+" "+t.getTitle());
		}
		else {
			forumId = this.request.getIntParameter("forum_id");

			if (this.isReplyOnly(forumId)) {
				this.replyOnly();
				return;
			}
			this.context.put("setType", true);
			this.context.put("pageTitle", I18n.getMessage("PostForm.title"));
		}
		
		Forum forum = ForumRepository.getForum(forumId);
		
		if (forum == null) {
			throw new ForumException("Could not find a forum with id #" + forumId);
		}
		
		if (!TopicsCommon.isTopicAccessible(forumId)) {
			return;
		}
		
		if (!this.anonymousPost(forumId)
				|| this.isForumReadonly(forumId, this.request.getParameter("topic_id") != null)) {
			return;
		}
		
		int userId = SessionFacade.getUserSession().getUserId();
		
		this.setTemplateName(TemplateKeys.POSTS_INSERT);
		
		// Attachments
		boolean attachmentsEnabled = SecurityRepository.canAccess(
			SecurityConstants.PERM_ATTACHMENTS_ENABLED, Integer.toString(forumId));
		
		if (attachmentsEnabled && !SessionFacade.isLogged() 
			&& !SystemGlobals.getBoolValue(ConfigKeys.ATTACHMENTS_ANONYMOUS)) {
			attachmentsEnabled = false;
		}

		this.context.put("attachmentsEnabled", attachmentsEnabled);
		
		if (attachmentsEnabled) {
			QuotaLimit ql = new AttachmentCommon(this.request, forumId).getQuotaLimit(userId);
			this.context.put("maxAttachmentsSize", new Long(ql != null ? ql.getSizeInBytes() : 1));
			this.context.put("maxAttachments", SystemGlobals.getValue(ConfigKeys.ATTACHMENTS_MAX_POST));
		}
		
		boolean needCaptcha = SystemGlobals.getBoolValue(ConfigKeys.CAPTCHA_POSTS);
		
		this.context.put("moderationLoggingEnabled", SystemGlobals.getBoolValue(ConfigKeys.MODERATION_LOGGING_ENABLED));
		this.context.put("smilies", SmiliesRepository.getSmilies());
		this.context.put("forum", forum);
		this.context.put("action", "insertSave");
		this.context.put("start", this.request.getParameter("start"));
		this.context.put("isNewPost", true);
		this.context.put("needCaptcha", needCaptcha);
		this.context.put("htmlAllowed",
			SecurityRepository.canAccess(SecurityConstants.PERM_HTML_DISABLED, Integer.toString(forumId)));
		this.context.put("canCreateStickyOrAnnouncementTopics",
			SecurityRepository.canAccess(SecurityConstants.PERM_CREATE_STICKY_ANNOUNCEMENT_TOPICS));
		this.context.put("canCreatePolls",
			SecurityRepository.canAccess(SecurityConstants.PERM_CREATE_POLL));

		User user = DataAccessDriver.getInstance().newUserDAO().selectById(userId);
		
		ViewCommon.prepareUserSignature(user);
		
		if (this.request.getParameter("preview") != null) {
			user.setNotifyOnMessagesEnabled(this.request.getParameter("notify") != null);
		}

		this.context.put("user", user);
	}

	public void edit()  {
		this.edit(false, null);
	}

	private void edit(boolean preview, Post p)
	{
		int userId = SessionFacade.getUserSession().getUserId();

		if (!preview) {
			PostDAO pm = DataAccessDriver.getInstance().newPostDAO();
			p = pm.selectById(this.request.getIntParameter("post_id"));

			// The post exist?
			if (p.getId() == 0) {
				this.postNotFound();
				return;
			}
		}

		boolean isModerator = SecurityRepository.canAccess(SecurityConstants.PERM_MODERATION_POST_EDIT);
		boolean canEdit = SessionFacade.isLogged() && (isModerator || p.getUserId() == userId);

		if (!canEdit) {
			this.setTemplateName(TemplateKeys.POSTS_EDIT_CANNOTEDIT);
			this.context.put("message", I18n.getMessage("CannotEditPost"));
		}
		else {
			Topic topic = TopicRepository.getTopic(new Topic(p.getTopicId()));
				
			if (topic == null) {
				topic = DataAccessDriver.getInstance().newTopicDAO().selectRaw(p.getTopicId());
			}

			if (!TopicsCommon.isTopicAccessible(topic.getForumId())) {
				return;
			}

			if (topic.getStatus() == Topic.STATUS_LOCKED && !isModerator) {
				this.topicLocked();
				return;
			}

			if (preview && this.request.getParameter("topic_type") != null) {
				topic.setType(this.request.getIntParameter("topic_type"));
			}
			
			if (p.hasAttachments()) {
				this.context.put("attachments", 
						DataAccessDriver.getInstance().newAttachmentDAO().selectAttachments(p.getId()));
			}

			Poll poll = null;
			
			if (topic.isVote() && topic.getFirstPostId() == p.getId()) {
				// It has a poll associated with the topic
				PollDAO poolDao = DataAccessDriver.getInstance().newPollDAO();
				poll = poolDao.selectById(topic.getVoteId());
			}
			
			this.setTemplateName(TemplateKeys.POSTS_EDIT);

			this.context.put("attachmentsEnabled", SecurityRepository.canAccess(
					SecurityConstants.PERM_ATTACHMENTS_ENABLED, Integer.toString(p.getForumId())));
			
			this.context.put("moderationLoggingEnabled", SystemGlobals.getBoolValue(ConfigKeys.MODERATION_LOGGING_ENABLED));
		
			QuotaLimit ql = new AttachmentCommon(this.request, p.getForumId()).getQuotaLimit(userId);
			this.context.put("maxAttachmentsSize", new Long(ql != null ? ql.getSizeInBytes() : 1));
			this.context.put("isEdit", true);
			this.context.put("maxAttachments", SystemGlobals.getValue(ConfigKeys.ATTACHMENTS_MAX_POST));
			this.context.put("smilies", SmiliesRepository.getSmilies());
			this.context.put("forum", ForumRepository.getForum(p.getForumId()));
			this.context.put("action", "editSave");
			this.context.put("post", p);
			this.context.put("setType", p.getId() == topic.getFirstPostId());
			this.context.put("topic", topic);
			this.context.put("poll", poll);
			this.context.put("pageTitle", I18n.getMessage("PostShow.messageTitle") + " " + p.getSubject());
			this.context.put("isModerator", isModerator);
			this.context.put("start", this.request.getParameter("start"));
			this.context.put("htmlAllowed", SecurityRepository.canAccess(SecurityConstants.PERM_HTML_DISABLED, 
					Integer.toString(topic.getForumId())));
			this.context.put("canCreateStickyOrAnnouncementTopics",
					SecurityRepository.canAccess(SecurityConstants.PERM_CREATE_STICKY_ANNOUNCEMENT_TOPICS));
			this.context.put("canCreatePolls",
					SecurityRepository.canAccess(SecurityConstants.PERM_CREATE_POLL));
		}

		UserDAO udao = DataAccessDriver.getInstance().newUserDAO();
		User u = udao.selectById(userId);
		ViewCommon.prepareUserSignature(u);

		if (preview) {
			u.setNotifyOnMessagesEnabled(this.request.getParameter("notify") != null);
			
			if (u.getId() != p.getUserId()) {
				// Probably a moderator is editing the message
				User previewUser = udao.selectById(p.getUserId());
				ViewCommon.prepareUserSignature(previewUser);
				this.context.put("previewUser", previewUser);
			}
		}

		this.context.put("user", u);
	}
	
	public void quote()
	{
		PostDAO pm = DataAccessDriver.getInstance().newPostDAO();
		Post p = pm.selectById(this.request.getIntParameter("post_id"));
		
		if (p.getId() == 0) {
			this.postNotFound();
			return;
		}
		
		if (p.isModerationNeeded()) {
			this.notModeratedYet();
			return;
		}

		if (!this.anonymousPost(p.getForumId())) {
			return;
		}

		Topic topic = TopicRepository.getTopic(new Topic(p.getTopicId()));
		
		if (topic == null) {
			topic = DataAccessDriver.getInstance().newTopicDAO().selectRaw(p.getTopicId());
		}

		if (!TopicsCommon.isTopicAccessible(topic.getForumId())) {
			return;
		}

		if (topic.getStatus() == Topic.STATUS_LOCKED) {
			this.topicLocked();
			return;
		}
		
		this.setTemplateName(TemplateKeys.POSTS_QUOTE);

		this.context.put("forum", ForumRepository.getForum(p.getForumId()));
		this.context.put("action", "insertSave");
		this.context.put("post", p);

		UserDAO um = DataAccessDriver.getInstance().newUserDAO();
		User u = um.selectById(p.getUserId());

		int userId = SessionFacade.getUserSession().getUserId();
		
		this.context.put("attachmentsEnabled", SecurityRepository.canAccess(
			SecurityConstants.PERM_ATTACHMENTS_ENABLED, Integer.toString(topic.getForumId())));
		
		QuotaLimit ql = new AttachmentCommon(this.request, topic.getForumId()).getQuotaLimit(userId);
		this.context.put("maxAttachmentsSize", new Long(ql != null ? ql.getSizeInBytes() : 1));
		
		this.context.put("moderationLoggingEnabled", SystemGlobals.getBoolValue(ConfigKeys.MODERATION_LOGGING_ENABLED));
		this.context.put("maxAttachments", SystemGlobals.getValue(ConfigKeys.ATTACHMENTS_MAX_POST));
		this.context.put("isNewPost", true);
		this.context.put("topic", topic);
		this.context.put("quote", "true");
		this.context.put("quoteUser", u.getUsername());
		this.context.put("setType", false);
		this.context.put("htmlAllowed", SecurityRepository.canAccess(SecurityConstants.PERM_HTML_DISABLED, 
			Integer.toString(topic.getForumId())));
		this.context.put("start", this.request.getParameter("start"));
		this.context.put("user", DataAccessDriver.getInstance().newUserDAO().selectById(userId));
		this.context.put("pageTitle", I18n.getMessage("PostForm.reply") + " " + topic.getTitle());
		this.context.put("smilies", SmiliesRepository.getSmilies());
		
		boolean needCaptcha = SystemGlobals.getBoolValue(ConfigKeys.CAPTCHA_POSTS);
		
		if (needCaptcha) {
			SessionFacade.getUserSession().createNewCaptcha();
		}
		
		this.context.put("needCaptcha", needCaptcha);
	}

	public void editSave()
	{
		PostDAO postDao = DataAccessDriver.getInstance().newPostDAO();
		PollDAO pollDao = DataAccessDriver.getInstance().newPollDAO();
		TopicDAO topicDao = DataAccessDriver.getInstance().newTopicDAO();
		
		Post post = postDao.selectById(this.request.getIntParameter("post_id"));
		
		if (!PostCommon.canEditPost(post)) {
			this.cannotEdit();
			return;
		}
		
		boolean isModerator = SecurityRepository.canAccess(SecurityConstants.PERM_MODERATION_POST_EDIT);
		
		String originalMessage = post.getText();
		
		post = PostCommon.fillPostFromRequest(post, true);

		// The user wants to preview the message before posting it?
		if ("1".equals(this.request.getParameter("preview"))) {
			this.context.put("preview", true);

			Post postPreview = new Post(post);
			this.context.put("postPreview", PostCommon.preparePostForDisplay(postPreview));

			this.edit(true, post);
		}
		else {
			AttachmentCommon attachments = new AttachmentCommon(this.request, post.getForumId());
			
			try {
				attachments.preProcess();
			}
			catch (AttachmentException e) {
				JForumExecutionContext.enableRollback();
				post.setText(this.request.getParameter("message"));
				this.context.put("errorMessage", e.getMessage());
				this.context.put("post", post);
				this.edit(false, post);
				return;
			}
			
			Topic t = TopicRepository.getTopic(new Topic(post.getTopicId()));
			
			if (t == null) {
				t = topicDao.selectById(post.getTopicId());
			}

			if (!TopicsCommon.isTopicAccessible(t.getForumId())) {
				return;
			}

			if (t.getStatus() == Topic.STATUS_LOCKED
					&& !SecurityRepository.canAccess(SecurityConstants.PERM_MODERATION_POST_EDIT)) {
				this.topicLocked();
				return;
			}

			postDao.update(post);
			
			// Attachments
			attachments.editAttachments(post.getId(), post.getForumId());
			attachments.insertAttachments(post);

			// The first message (the one which originated the topic) was changed
			if (t.getFirstPostId() == post.getId()) {
				t.setTitle(post.getSubject());
				
				int newType = this.request.getIntParameter("topic_type");
				boolean changeType = SecurityRepository.canAccess(SecurityConstants.PERM_CREATE_STICKY_ANNOUNCEMENT_TOPICS)
					&& newType != t.getType();
				
				if (changeType) {
					t.setType(newType);
				}

				// Poll
				Poll poll = PollCommon.fillPollFromRequest();
				
				if (poll != null && !t.isVote()) {
					// They added a poll
					poll.setTopicId(t.getId());
					
					if (!this.ensurePollMinimumOptions(post, poll)) {
						return;
					}
					
					pollDao.addNew(poll);
					t.setVoteId(poll.getId());

				} 
				else if (poll != null) {
					if (!this.ensurePollMinimumOptions(post, poll)) {
						return;
					}
					
					// They edited the poll in the topic
					Poll existing = pollDao.selectById(t.getVoteId());
					PollChanges changes = new PollChanges(existing, poll);
					
					if (changes.hasChanges()) {
						poll.setId(existing.getId());
						poll.setChanges(changes);
						pollDao.update(poll);
					}
					
				} 
				else if (t.isVote()) {
					// They deleted the poll from the topic
					pollDao.delete(t.getVoteId());
					t.setVoteId(0);
				}
				
				topicDao.update(t);
				
				if (changeType) {
					TopicRepository.addTopic(t);
				}
				else {
					TopicRepository.updateTopic(t);
				}
			}
			
			if (SystemGlobals.getBoolValue(ConfigKeys.MODERATION_LOGGING_ENABLED)
					&& isModerator && post.getUserId() != SessionFacade.getUserSession().getUserId()) {
				ModerationHelper helper = new ModerationHelper();
				this.request.addParameter("log_original_message", originalMessage);
				ModerationLog log = helper.buildModerationLogFromRequest();
				log.getPosterUser().setId(post.getUserId());
				helper.saveModerationLog(log);
			}

			if (this.request.getParameter("notify") == null) {
				topicDao.removeSubscription(post.getTopicId(), SessionFacade.getUserSession().getUserId());
			}

			String path = this.request.getContextPath() + "/posts/list/";
			int start = ViewCommon.getStartPage();
			
			if (start > 0) {
				path += start + "/";
			}

			path += post.getTopicId() + SystemGlobals.getValue(ConfigKeys.SERVLET_EXTENSION) + "#" + post.getId();
			JForumExecutionContext.setRedirect(path);
			
			if (SystemGlobals.getBoolValue(ConfigKeys.POSTS_CACHE_ENABLED)) {
				PostRepository.update(post.getTopicId(), PostCommon.preparePostForDisplay(post));
			}
		}
	}
	
	private boolean ensurePollMinimumOptions(Post p, Poll poll)
	{
		if (poll.getOptions().size() < 2) {
			// It is not a valid poll, cancel the post
			JForumExecutionContext.enableRollback();
			p.setText(this.request.getParameter("message"));
			p.setId(0);
			this.context.put("errorMessage", I18n.getMessage("PostForm.needMorePollOptions"));
			this.context.put("post", p);
			this.context.put("poll", poll);
			this.edit();
			return false;
		}
		
		return true;
	}
	
	public void waitingModeration()
	{
		this.setTemplateName(TemplateKeys.POSTS_WAITING);
		
		int topicId = this.request.getIntParameter("topic_id");
		String path = this.request.getContextPath();
		
		if (topicId == 0) {
			path += "/forums/show/" + this.request.getParameter("forum_id");
		}
		else {
			path += "/posts/list/" + topicId;
		}
		
		this.context.put("message", I18n.getMessage("PostShow.waitingModeration", 
				new String[] { path + SystemGlobals.getValue(ConfigKeys.SERVLET_EXTENSION) }));
	}
	
	private void notModeratedYet()
	{
		this.setTemplateName(TemplateKeys.POSTS_NOT_MODERATED);
		this.context.put("message", I18n.getMessage("PostShow.notModeratedYet"));
	}

	public void insertSave()
	{
		int forumId = this.request.getIntParameter("forum_id");
		boolean firstPost = false;

		if (!this.anonymousPost(forumId)) {
			return;
		}
		
		Topic t = new Topic(-1);
		t.setForumId(forumId);

		boolean newTopic = (this.request.getParameter("topic_id") == null);
		
		if (!TopicsCommon.isTopicAccessible(t.getForumId())
				|| this.isForumReadonly(t.getForumId(), newTopic)) {
			return;
		}

		TopicDAO topicDao = DataAccessDriver.getInstance().newTopicDAO();
		PostDAO postDao = DataAccessDriver.getInstance().newPostDAO();
		PollDAO poolDao = DataAccessDriver.getInstance().newPollDAO();
		ForumDAO forumDao = DataAccessDriver.getInstance().newForumDAO();

		if (!newTopic) {
			int topicId = this.request.getIntParameter("topic_id");
			
			t = TopicRepository.getTopic(new Topic(topicId));
			
			if (t == null) {
				t = topicDao.selectById(topicId);
			}
			
			// Could not find the topic. The topicId sent was invalid
			if (t == null || t.getId() == 0) {
				newTopic = true;
			}
			else {
				if (!TopicsCommon.isTopicAccessible(t.getForumId())) {
					return;
				}
	
				// Cannot insert new messages on locked topics
				if (t.getStatus() == Topic.STATUS_LOCKED) {
					this.topicLocked();
					return;
				}
			}
		}
		
		// We don't use "else if" here because there is a possibility of the
		// checking above set the newTopic var to true
		if (newTopic) {
			if (this.isReplyOnly(forumId)) {
				this.replyOnly();
				return;
			}
			
			if (this.request.getParameter("topic_type") != null) {
				t.setType(this.request.getIntParameter("topic_type"));
				
				if (t.getType() != Topic.TYPE_NORMAL 
						&& !SecurityRepository.canAccess(SecurityConstants.PERM_CREATE_STICKY_ANNOUNCEMENT_TOPICS)) {
					t.setType(Topic.TYPE_NORMAL);
				}
			}
		}
		
		UserSession us = SessionFacade.getUserSession();
		User u = DataAccessDriver.getInstance().newUserDAO().selectById(us.getUserId());
		
		if ("1".equals(this.request.getParameter("quick")) && SessionFacade.isLogged()) {
			this.request.addParameter("notify", u.isNotifyOnMessagesEnabled() ? "1" : null);
			this.request.addParameter("attach_sig", u.getAttachSignatureEnabled() ? "1" : "0");
		}
		else {
			u.setId(us.getUserId());
			u.setUsername(us.getUsername());
		}

		// Set the Post
		Post p = PostCommon.fillPostFromRequest();
		
		if (p.getText() == null || p.getText().trim().equals("")) {
			this.insert();
			return;
		}
		
		// Check the elapsed time since the last post from the user
		int delay = SystemGlobals.getIntValue(ConfigKeys.POSTS_NEW_DELAY);
		
		if (delay > 0) {
			Long lastPostTime = (Long)SessionFacade.getAttribute(ConfigKeys.LAST_POST_TIME);
			
			if (lastPostTime != null) {
				if (System.currentTimeMillis() < (lastPostTime.longValue() + delay)) {
					this.context.put("post", p);
					this.context.put("start", this.request.getParameter("start"));
					this.context.put("error", I18n.getMessage("PostForm.tooSoon"));
					this.insert();
					return;
				}
			}
		}
		
		p.setForumId(this.request.getIntParameter("forum_id"));
		
		if (StringUtils.isBlank(p.getSubject())) {
			p.setSubject(t.getTitle());
		}
		
		boolean needCaptcha = SystemGlobals.getBoolValue(ConfigKeys.CAPTCHA_POSTS)
			&& request.getSessionContext().getAttribute(ConfigKeys.REQUEST_IGNORE_CAPTCHA) == null;
		
		if (needCaptcha) {
			if (!us.validateCaptchaResponse(this.request.getParameter("captcha_anwser"))) {
				this.context.put("post", p);
				this.context.put("start", this.request.getParameter("start"));
				this.context.put("error", I18n.getMessage("CaptchaResponseFails"));
				
				this.insert();
				
				return;
			}
		}

		boolean preview = "1".equals(this.request.getParameter("preview"));
		
		if (!preview) {
			AttachmentCommon attachments = new AttachmentCommon(this.request, forumId);
			
			try {
				attachments.preProcess();
			}
			catch (AttachmentException e) {
				JForumExecutionContext.enableRollback();
				p.setText(this.request.getParameter("message"));
				p.setId(0);
				this.context.put("errorMessage", e.getMessage());
				this.context.put("post", p);
				this.insert();
				return;
			}
			
			Forum forum = ForumRepository.getForum(forumId);
			PermissionControl pc = SecurityRepository.get(us.getUserId());

			// Moderators and admins don't need to have their messages moderated
			boolean moderate = (forum.isModerated() 
				&& !pc.canAccess(SecurityConstants.PERM_MODERATION)
				&& !pc.canAccess(SecurityConstants.PERM_ADMINISTRATION));
			
			if (newTopic) {
				t.setTime(new Date());
				t.setTitle(this.request.getParameter("subject"));
				t.setModerated(moderate);
				t.setPostedBy(u);
				t.setFirstPostTime(ViewCommon.formatDate(t.getTime()));

				int topicId = topicDao.addNew(t);
				t.setId(topicId);
				firstPost = true;
			}
			
			if (!firstPost && pc.canAccess(
					SecurityConstants.PERM_REPLY_WITHOUT_MODERATION, Integer.toString(t.getForumId()))) {
				moderate = false;
			}

			// Topic watch
			if (this.request.getParameter("notify") != null) {
				this.watch(topicDao, t.getId(), u.getId());
			}

			p.setTopicId(t.getId());

			// add a poll
			Poll poll = PollCommon.fillPollFromRequest();
			
			if (poll != null && newTopic) {
				poll.setTopicId(t.getId());
				
				if (poll.getOptions().size() < 2) {
					//it is not a valid poll, cancel the post
					JForumExecutionContext.enableRollback();
					p.setText(this.request.getParameter("message"));
					p.setId(0);
					this.context.put("errorMessage", I18n.getMessage("PostForm.needMorePollOptions"));
					this.context.put("post", p);
					this.context.put("poll", poll);
					this.insert();
					return;
				}
				
				poolDao.addNew(poll);
				t.setVoteId(poll.getId());
			}

			// Save the remaining stuff
			p.setModerate(moderate);
			int postId = postDao.addNew(p);

			if (newTopic) {
				t.setFirstPostId(postId);
			}
			
			if (!moderate) {
				t.setLastPostId(postId);
				t.setLastPostBy(u);
				t.setLastPostDate(p.getTime());
				t.setLastPostTime(p.getFormatedTime());
			}
			
			topicDao.update(t);
			
			attachments.insertAttachments(p);
			
			if (!moderate) {
				StringBuffer path = new StringBuffer(512);
				path.append(this.request.getContextPath()).append("/posts/list/");
				
				int start = ViewCommon.getStartPage();
	
				path.append(this.startPage(t, start)).append("/")
					.append(t.getId()).append(SystemGlobals.getValue(ConfigKeys.SERVLET_EXTENSION))
					.append('#').append(postId);
	
				JForumExecutionContext.setRedirect(path.toString());
				
				if (newTopic) {
					// Notify "forum new topic" users
					ForumCommon.notifyUsers(forum, t, p);
				}
				else {
					t.setTotalReplies(t.getTotalReplies() + 1);
					TopicsCommon.notifyUsers(t, p);
				}
				
				// Update forum stats, cache and etc
				t.setTotalViews(t.getTotalViews() + 1);
				
				DataAccessDriver.getInstance().newUserDAO().incrementPosts(p.getUserId());
				
				TopicsCommon.updateBoardStatus(t, postId, firstPost, topicDao, forumDao);
				ForumRepository.updateForumStats(t, u, p);
				
				int anonymousUser = SystemGlobals.getIntValue(ConfigKeys.ANONYMOUS_USER_ID);
				
				if (u.getId() != anonymousUser) {
					SessionFacade.getTopicsReadTime().put(new Integer(t.getId()),
						new Long(p.getTime().getTime()));
				}
				
				if (SystemGlobals.getBoolValue(ConfigKeys.POSTS_CACHE_ENABLED)) {
					SimpleDateFormat df = new SimpleDateFormat(SystemGlobals.getValue(ConfigKeys.DATE_TIME_FORMAT));
					p.setFormatedTime(df.format(p.getTime()));
					
					PostRepository.append(p.getTopicId(), PostCommon.preparePostForDisplay(p));
				}
			}
			else {
				JForumExecutionContext.setRedirect(this.request.getContextPath() 
					+ "/posts/waitingModeration/" 
					+ (firstPost ? 0 : t.getId())
					+ "/" + t.getForumId()
					+ SystemGlobals.getValue(ConfigKeys.SERVLET_EXTENSION));
			}
			
			if (delay > 0) {
				SessionFacade.setAttribute(ConfigKeys.LAST_POST_TIME, new Long(System.currentTimeMillis()));
			}
		}
		else {
			this.context.put("preview", true);
			this.context.put("post", p);
			this.context.put("start", this.request.getParameter("start"));

			Post postPreview = new Post(p);
			this.context.put("postPreview", PostCommon.preparePostForDisplay(postPreview));

			this.insert();
		}
	}

	private int startPage(Topic t, int currentStart) {
		int postsPerPage = SystemGlobals.getIntValue(ConfigKeys.POSTS_PER_PAGE);

		int newStart = (t.getTotalReplies() + 1) / postsPerPage * postsPerPage;
		
		return (newStart > currentStart) ? newStart : currentStart;
	}

	public void delete()
	{
		if (!SecurityRepository.canAccess(SecurityConstants.PERM_MODERATION_POST_REMOVE)) {
			this.setTemplateName(TemplateKeys.POSTS_CANNOT_DELETE);
			this.context.put("message", I18n.getMessage("CannotRemovePost"));

			return;
		}

		// Post
		PostDAO postDao = DataAccessDriver.getInstance().newPostDAO();
		Post p = postDao.selectById(this.request.getIntParameter("post_id"));
		
		if (p.getId() == 0) {
			this.postNotFound();
			return;
		}

		TopicDAO topicDao = DataAccessDriver.getInstance().newTopicDAO();
		Topic t = topicDao.selectRaw(p.getTopicId());

		if (!TopicsCommon.isTopicAccessible(t.getForumId())) {
			return;
		}

		postDao.delete(p);
		DataAccessDriver.getInstance().newUserDAO().decrementPosts(p.getUserId());
		
		// Karma
		KarmaDAO karmaDao = DataAccessDriver.getInstance().newKarmaDAO();
		karmaDao.updateUserKarma(p.getUserId());
		
		// Attachments
		new AttachmentCommon(this.request, p.getForumId()).deleteAttachments(p.getId(), p.getForumId());

		// It was the last remaining post in the topic?
		int totalPosts = topicDao.getTotalPosts(p.getTopicId());

		if (totalPosts > 0) {
			// Topic
			topicDao.decrementTotalReplies(p.getTopicId());

			int maxPostId = topicDao.getMaxPostId(p.getTopicId());
			if (maxPostId > -1) {
				topicDao.setLastPostId(p.getTopicId(), maxPostId);
			}

			int minPostId = topicDao.getMinPostId(p.getTopicId());
			if (minPostId > -1) {
			  topicDao.setFirstPostId(p.getTopicId(), minPostId);
			}
	        
			// Forum
			ForumDAO fm = DataAccessDriver.getInstance().newForumDAO();

			maxPostId = fm.getMaxPostId(p.getForumId());
			if (maxPostId > -1) {
				fm.setLastPost(p.getForumId(), maxPostId);
			}

			String returnPath = this.request.getContextPath() + "/posts/list/";

			int page = ViewCommon.getStartPage();
			
			if (page > 0) {
				int postsPerPage = SystemGlobals.getIntValue(ConfigKeys.POSTS_PER_PAGE);

				if (totalPosts % postsPerPage == 0) {
					page -= postsPerPage;
				}

				returnPath += page + "/";
			}

			JForumExecutionContext.setRedirect(returnPath 
				+ p.getTopicId() 
				+ SystemGlobals.getValue(ConfigKeys.SERVLET_EXTENSION));
			
			// Update the cache
			if (TopicRepository.isTopicCached(t)) {
				t = topicDao.selectById(t.getId());
				TopicRepository.updateTopic(t);
			}
		}
		else {
			// Ok, all posts were removed. Time to say goodbye
			TopicsCommon.deleteTopic(p.getTopicId(), p.getForumId(), false);

			JForumExecutionContext.setRedirect(this.request.getContextPath() 
				+ "/forums/show/" 
				+ p.getForumId()
				+ SystemGlobals.getValue(ConfigKeys.SERVLET_EXTENSION));
		}
		
		this.request.addOrReplaceParameter("log_original_message", p.getText());
		ModerationHelper moderationHelper = new ModerationHelper();
		ModerationLog moderationLog = moderationHelper.buildModerationLogFromRequest();
		moderationLog.getPosterUser().setId(p.getUserId());
		moderationHelper.saveModerationLog(moderationLog);
		
		PostRepository.remove(t.getId(), p.getId());
		TopicRepository.loadMostRecentTopics();
		TopicRepository.loadHottestTopics();
		ForumRepository.reloadForum(p.getForumId());
	}

	private void watch(TopicDAO tm, int topicId, int userId)  
	{
		if (!tm.isUserSubscribed(topicId, userId)) {
			tm.subscribeUser(topicId, userId);
		}
	}

	public void watch()  
	{
		int topicId = this.request.getIntParameter("topic_id");
		int userId = SessionFacade.getUserSession().getUserId();

		this.watch(DataAccessDriver.getInstance().newTopicDAO(), topicId, userId);
		this.list();
	}

	public void unwatch()  
	{
		if (!SessionFacade.isLogged()) {
			this.setTemplateName(ViewCommon.contextToLogin());
		}
		else {
			int topicId = this.request.getIntParameter("topic_id");
			int userId = SessionFacade.getUserSession().getUserId();
			int start = ViewCommon.getStartPage();

			DataAccessDriver.getInstance().newTopicDAO().removeSubscription(topicId, userId);

			String returnPath = this.request.getContextPath() + "/posts/list/";
			
			if (start > 0) {
				returnPath += start + "/";
			}

			returnPath += topicId + SystemGlobals.getValue(ConfigKeys.SERVLET_EXTENSION);

			this.setTemplateName(TemplateKeys.POSTS_UNWATCH);
			this.context.put("pageTitle", I18n.getMessage("PostShow.unwatch"));
			this.context.put("message", I18n.getMessage("ForumBase.unwatched", new String[] { returnPath }));
		}
	}
	
	public void downloadAttach()
	{
		int id = this.request.getIntParameter("attach_id");
		
		if (!SessionFacade.isLogged() && !SystemGlobals.getBoolValue(ConfigKeys.ATTACHMENTS_ANONYMOUS)) {
			String referer = this.request.getHeader("Referer");
			
			if (referer != null) {
				this.setTemplateName(ViewCommon.contextToLogin(referer));
			}
			else {
				this.setTemplateName(ViewCommon.contextToLogin());
			}
			
			return;
		}
		
		AttachmentDAO am = DataAccessDriver.getInstance().newAttachmentDAO();
		Attachment a = am.selectAttachmentById(id);
		
		PostDAO postDao = DataAccessDriver.getInstance().newPostDAO();
		Post post = postDao.selectById(a.getPostId());
		
		String forumId = Integer.toString(post.getForumId());
		
		boolean attachmentsEnabled = SecurityRepository.canAccess(SecurityConstants.PERM_ATTACHMENTS_ENABLED, forumId);
		boolean attachmentsDownload = SecurityRepository.canAccess(SecurityConstants.PERM_ATTACHMENTS_DOWNLOAD, forumId);
		
		if (!attachmentsEnabled && !attachmentsDownload) {
			this.setTemplateName(TemplateKeys.POSTS_CANNOT_DOWNLOAD);
			this.context.put("message", I18n.getMessage("Attachments.featureDisabled"));
			return;
		}
		
		String filename = SystemGlobals.getValue(ConfigKeys.ATTACHMENTS_STORE_DIR)
			+ "/"
			+ a.getInfo().getPhysicalFilename();

		if (!new File(filename).exists()) {
			this.setTemplateName(TemplateKeys.POSTS_ATTACH_NOTFOUND);
			this.context.put("message", I18n.getMessage("Attachments.notFound"));
			return;
		}
		
		FileInputStream fis = null;
		OutputStream os = null;

		try {
			a.getInfo().setDownloadCount(a.getInfo().getDownloadCount() + 1);
			am.updateAttachment(a);

			fis = new FileInputStream(filename);
			os = response.getOutputStream();

			if (am.isPhysicalDownloadMode(a.getInfo().getExtension().getExtensionGroupId())) {
				this.response.setContentType("application/octet-stream");
			}
			else {
				this.response.setContentType(a.getInfo().getMimetype());
			}

			if (this.request.getHeader("User-Agent").indexOf("Firefox") != -1) {
				this.response.setHeader("Content-Disposition", "attachment; filename=\""
					+ new String(a.getInfo().getRealFilename().getBytes(SystemGlobals.getValue(ConfigKeys.ENCODING)),
						SystemGlobals.getValue(ConfigKeys.DEFAULT_CONTAINER_ENCODING)) + "\";");
			}
			else {
				this.response.setHeader("Content-Disposition", "attachment; filename=\""
					+ ViewCommon.toUtf8String(a.getInfo().getRealFilename()) + "\";");
			}

			this.response.setContentLength((int)a.getInfo().getFilesize());

			int c;
			byte[] b = new byte[4096];
			while ((c = fis.read(b)) != -1) {
				os.write(b, 0, c);
			}

			
			JForumExecutionContext.enableCustomContent(true);
		}
		catch (IOException e) {
			throw new ForumException(e);
		}
		finally {
			if (fis != null) {
				try { fis.close(); }
				catch (Exception e) {}
			}
			
			if (os != null) {
				try { os.close(); }
				catch (Exception e) {}
			}
		}
	}
	
	private void cannotEdit()
	{
		this.setTemplateName(TemplateKeys.POSTS_EDIT_CANNOTEDIT);
		this.context.put("message", I18n.getMessage("CannotEditPost"));
	}
	
	private void topicLocked() 
	{
		this.setTemplateName(TemplateKeys.POSTS_TOPIC_LOCKED);
		this.context.put("message", I18n.getMessage("PostShow.topicLocked"));
	}
	
	public void listSmilies()
	{
		this.setTemplateName(SystemGlobals.getValue(ConfigKeys.TEMPLATE_DIR) + "/empty.htm");
		this.setTemplateName(TemplateKeys.POSTS_LIST_SMILIES);
		this.context.put("smilies", SmiliesRepository.getSmilies());
	}

	private boolean isForumReadonly(int forumId, boolean isReply) {
		if (!SecurityRepository.canAccess(SecurityConstants.PERM_READ_ONLY_FORUMS, Integer.toString(forumId))) {
			if (isReply) {
				this.list();
			}
			else {
				JForumExecutionContext.setRedirect(this.request.getContextPath() + "/forums/show/" + forumId
					+ SystemGlobals.getValue(ConfigKeys.SERVLET_EXTENSION));
			}

			return true;
		}

		return false;
	}
	
	private boolean anonymousPost(int forumId)  
	{
		// Check if anonymous posts are allowed
		if (!SessionFacade.isLogged()
				&& !SecurityRepository.canAccess(SecurityConstants.PERM_ANONYMOUS_POST, Integer.toString(forumId))) {
			this.setTemplateName(ViewCommon.contextToLogin());

			return false;
		}

		return true;
	}
}

Other jforum examples (source code examples)

Here is a short list of links related to this jforum PostAction.java source code file:

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