/*
* DLOG_BBS_VelocityTool.java
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Author: Winter Lau
* http://dlog4j.sourceforge.net
*/
package com.liusoft.dlog4j.velocity;
import java.util.Iterator;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.liusoft.dlog4j.SessionUserObject;
import com.liusoft.dlog4j.TextCacheManager;
import com.liusoft.dlog4j.base._TopicBeanBase;
import com.liusoft.dlog4j.beans.ForumBean;
import com.liusoft.dlog4j.beans.SiteBean;
import com.liusoft.dlog4j.beans.TopicBean;
import com.liusoft.dlog4j.beans.TopicOutlineBean;
import com.liusoft.dlog4j.beans.TopicReplyBean;
import com.liusoft.dlog4j.dao.BBSForumDAO;
import com.liusoft.dlog4j.dao.BBSReplyDAO;
import com.liusoft.dlog4j.dao.BBSTopicDAO;
/**
* ����DLOG�е�BBS��VelocityTool��
*
* @author Winter Lau
*/
public class DLOG_BBS_VelocityTool{
private static Log log = LogFactory.getLog(DLOG_BBS_VelocityTool.class);
private static final String FORUMS = "forums";
/**
* �г�ij����վ��ָ���û���Ч������������
* @param site
* @param user
* @return
*/
public List forums(HttpServletRequest req, SiteBean site, SessionUserObject user){
List forums = (List)req.getAttribute(FORUMS);
if(forums == null && site!=null){
forums = site.getForums();
Iterator iter = forums.iterator();
while(iter.hasNext()){
ForumBean fbean = (ForumBean)iter.next();
if (fbean.getStatus() == ForumBean.STATUS_HIDDEN
&& (user == null || !site.isOwner(user)))
iter.remove();
}
req.setAttribute(FORUMS, forums);
}
return forums;
}
/**
* ��ȡ��վ�ľ���������
* @param site
* @param forum
* @return
*/
public int elite_count(SiteBean site, ForumBean forum){
return BBSTopicDAO.getEliteCount(site, forum);
}
/**
* ��ѯ���еľ�����
* @param site
* @param forum
* @param page
* @param pageSize
* @return
*/
public List elite_topics(SiteBean site, ForumBean forum, int page, int pageSize){
if(pageSize<1 || pageSize>200)
pageSize = 50;
int fromIdx = (page-1)*pageSize;
if(fromIdx < 0)
fromIdx = 0;
return BBSTopicDAO.listEliteTopics(site, forum, fromIdx, pageSize);
}
/**
* ��ȡ��̳�����е�������
* @param site
* @return
*/
public int topic_count(SiteBean site){
if(site==null)
return -1;
return BBSTopicDAO.getTopicCount(site.getId());
}
/**
* ��ȡ��һƪ����
* @param forum
* @param topic
* @return
*/
public TopicOutlineBean next_topic(_TopicBeanBase topic){
if(topic==null)
return null;
return BBSTopicDAO.getNextTopic(topic.getForum().getId(), topic.getId(), true);
}
/**
* ��ȡ��һƪ����
* @param forum
* @param topic
* @return
*/
public TopicOutlineBean prev_topic(_TopicBeanBase topic){
if(topic==null)
return null;
return BBSTopicDAO.getNextTopic(topic.getForum().getId(), topic.getId(), false);
}
/**
* ��ȡij����̳����ϸ����
*
* @param site
* @param forum_id
* @return
*/
public ForumBean forum(SiteBean site, int forum_id) {
if (site == null || forum_id < 1)
return null;
ForumBean forum = BBSForumDAO.getForumByID(forum_id);
if (forum != null && forum.getSite().getId() == site.getId())
return forum;
return null;
}
/**
* ��ȡij�����ӵ���ϸ��Ϣ
*
* @param site
* @param topic_id
* @return
*/
public _TopicBeanBase topic(SiteBean site, SessionUserObject user, int topic_id) {
if (site == null || topic_id < 1)
return null;
_TopicBeanBase topic;
String text = TextCacheManager.getTextContent(TopicBean.TYPE_BBS, topic_id);
if(text==null){
topic = BBSTopicDAO.getTopicByID(topic_id);
if(topic!=null && topic.getStatus()==TopicBean.STATUS_NORMAL){
TextCacheManager.updateTextContent(TopicBean.TYPE_BBS, topic_id, topic.getContent());
}
}
else{
topic = BBSTopicDAO.getTopicOutlineByID(topic_id);
if(topic!=null)
topic.setContent(text);
}
if(user!=null && site.isOwner(user))
return topic;
if (topic != null && topic.getSite().getId() == site.getId()
&& topic.getStatus() == TopicBean.STATUS_NORMAL && topic.getForum().getStatus()==0)
return topic;
return null;
}
/**
* ��ȡij����������ϸ��Ϣ
*
* @param site
* @param reply_id
* @return
*/
public TopicReplyBean reply(SiteBean site, int reply_id) {
if (site == null || reply_id < 1)
return null;
TopicReplyBean reply = BBSReplyDAO.getTopicReplyByID(reply_id);
if (reply != null && reply.getSite().getId() == site.getId()
&& reply.getStatus() == TopicBean.STATUS_NORMAL)
return reply;
return null;
}
/**
* �г�ij����̳������
*
* @param forum
* @param page
* @param pageSize
* @return
*/
public List topics(SiteBean site, ForumBean forum, int page, int pageSize) {
if (site==null || forum == null || forum.getSite().getId()!=site.getId())
return null;
if (pageSize < 1)
pageSize = 20;
int fromIdx = (page - 1) * pageSize;
if (fromIdx < 0)
fromIdx = 0;
return BBSTopicDAO.listTopics(forum.getId(), fromIdx, pageSize);
}
/**
* �г�������̳����������
* @param site
* @param page
* @param pageSize
* @return
*/
public List all_topics(SiteBean site, int page, int pageSize){
if (pageSize < 1)
pageSize = 20;
int fromIdx = (page - 1) * pageSize;
if (fromIdx < 0)
fromIdx = 0;
if (site == null)
return BBSTopicDAO.listAllTopics(fromIdx, pageSize);
else
return BBSTopicDAO.listAllTopics(site.getId(), fromIdx, pageSize);
}
/**
* ��ҳ�г�ij�����ӵĻ���
* @param topic
* @param page
* @param pageSize
* @return
*/
public List replies(_TopicBeanBase topic, int page, int pageSize){
if(topic == null)
return null;
if (pageSize < 1)
pageSize = 20;
int fromIdx = (page - 1) * pageSize;
if (fromIdx < 0)
fromIdx = 0;
return BBSReplyDAO.listReplies(topic.getId(), fromIdx, pageSize);
}
/**
* ���������
*
* @param forum
* @param page
* @param pageSize
* @param days
* ��ǰ�����������(��������ʧЧ��)
* @return
*/
public List hot_topics(SiteBean site, ForumBean forum, int page, int pageSize, int days) {
if(site==null)
return null;
if (pageSize < 1)
pageSize = 20;
int fromIdx = (page - 1) * pageSize;
if (fromIdx < 0)
fromIdx = 0;
return BBSTopicDAO.listHotTopics(site, forum, fromIdx, pageSize, days);
}
/**
* �г����µ����ۻ���
* @param page
* @param count
* @return
*/
public List list_new_topics(int page, int count){
int fromIdx = (page - 1) * count;
return BBSTopicDAO.listAllTopics(fromIdx, count);
}
/**
* �����ռǣ������ռǵ��Ķ���
* @param site
* @param user
* @param log
*/
public void visit_topic(SiteBean site, _TopicBeanBase topic){
if(topic!=null && topic.getSite().getId()==site.getId()){
try{
BBSTopicDAO.incViewCount(topic.getId(), 1);
}catch(Exception e){
log.error("visit_topic failed.", e);
}
}
}
}