Package com.liusoft.dlog4j.action

Source Code of com.liusoft.dlog4j.action.ReplyAction

/*
*  ReplyAction.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.action;

import java.text.MessageFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.htmlparser.Node;
import org.htmlparser.Parser;

import com.liusoft.dlog4j.Globals;
import com.liusoft.dlog4j.HtmlNodeFilters;
import com.liusoft.dlog4j.MailTransportQueue;
import com.liusoft.dlog4j.base.ClientInfo;
import com.liusoft.dlog4j.base._ReplyBean;
import com.liusoft.dlog4j.beans.DiaryOutlineBean;
import com.liusoft.dlog4j.beans.DiaryReplyBean;
import com.liusoft.dlog4j.beans.PhotoOutlineBean;
import com.liusoft.dlog4j.beans.PhotoReplyBean;
import com.liusoft.dlog4j.beans.SiteBean;
import com.liusoft.dlog4j.beans.UserBean;
import com.liusoft.dlog4j.dao.DiaryDAO;
import com.liusoft.dlog4j.dao.PhotoDAO;
import com.liusoft.dlog4j.dao.ReplyDAO;
import com.liusoft.dlog4j.formbean.ReplyForm;
import com.liusoft.dlog4j.util.RequestUtils;
import com.liusoft.dlog4j.util.StringUtils;

import com.liusoft.dlog4j.util.MailSender;

/**
* ���۲�����ص�Action��
*
* @author liudong
*/
public class ReplyAction extends ActionBase {

  private final static Log log = LogFactory.getLog(ReplyAction.class);
 
  /**
   * �޸���Ƭ����
   *
   * @param mapping
   * @param form
   * @param request
   * @param response
   * @return
   * @throws Exception
   */
  protected ActionForward doUpdatePhotoReply(ActionMapping mapping,
      ActionForm form, HttpServletRequest request,
      HttpServletResponse response) throws Exception {
    ReplyForm reply = (ReplyForm) form;
    //��֤�ͻ��˰�ȫʶ����
    validateClientId(request, reply);
    ActionMessages msgs = new ActionMessages();
    UserBean loginUser = super.getLoginUser(request, response);
    while (loginUser != null) {
      if (StringUtils.isEmpty(reply.getContent())) {
        msgs.add("reply", new ActionMessage("error.empty_not_allowed"));
        break;
      }
      SiteBean site = super.getSiteByID(reply.getSid());
      if (site == null) {
        msgs.add("reply", new ActionMessage("error.site_not_available"));
        break;
      }
      _ReplyBean rbean = ReplyDAO.getReply(PhotoReplyBean.class, reply
          .getReply_id());
      if (rbean!=null && rbean.getSite().getId() == site.getId()) {
        String content = StringUtils.abbreviate(super.autoFiltrate(
          null, reply.getContent()), MAX_REPLY_LENGTH);
        rbean.setContent(super.filterScriptAndStyle(content));
        rbean.setAuthor(reply.getAuthor());       
        rbean.setOwnerOnly(reply.getOwnerOnly());
        if (StringUtils.isNotEmpty(reply.getAuthorURL()))
          rbean.setAuthorURL(reply.getAuthorURL());
        if (StringUtils.isNotEmpty(reply.getAuthorEmail()))
          rbean.setAuthorEmail(reply.getAuthorEmail());
        ReplyDAO.updateReply(rbean);
      }
      break;
    }
    if (!msgs.isEmpty()) {
      saveMessages(request, msgs);
      return mapping.findForward("showphoto");
    }
    StringBuffer ext = new StringBuffer("pid=");
    ext.append(reply.getParentId());
    ext.append('#');
    ext.append(reply.getReply_id());
    return makeForward(mapping.findForward("showphoto"), reply.getSid(),
        ext.toString());
  }

  /**
   * �޸��ռ�����
   *
   * @param mapping
   * @param form
   * @param request
   * @param response
   * @return
   * @throws Exception
   */
  protected ActionForward doUpdateDiaryReply(ActionMapping mapping,
      ActionForm form, HttpServletRequest request,
      HttpServletResponse response) throws Exception {
    ReplyForm reply = (ReplyForm) form;
    //��֤�ͻ��˰�ȫʶ����
    validateClientId(request, reply);
    ActionMessages msgs = new ActionMessages();
    UserBean loginUser = super.getLoginUser(request, response);
    while (loginUser != null) {
      if (StringUtils.isEmpty(reply.getContent())) {
        msgs.add("reply", new ActionMessage("error.empty_not_allowed"));
        break;
      }
      SiteBean site = super.getSiteByID(reply.getSid());
      if (site == null) {
        msgs.add("reply", new ActionMessage("error.site_not_available"));
        break;
      }
      _ReplyBean rbean = ReplyDAO.getReply(DiaryReplyBean.class, reply.getReply_id());
      if (rbean!=null && rbean.getSite().getId() == site.getId()) {
        String content = StringUtils.abbreviate(super.autoFiltrate(
            null, reply.getContent()), MAX_REPLY_LENGTH);
        rbean.setContent(super.filterScriptAndStyle(content));
        rbean.setAuthor(reply.getAuthor());       
        rbean.setOwnerOnly(reply.getOwnerOnly());
        if (StringUtils.isNotEmpty(reply.getAuthorURL()))
          rbean.setAuthorURL(reply.getAuthorURL());
        if (StringUtils.isNotEmpty(reply.getAuthorEmail()))
          rbean.setAuthorEmail(reply.getAuthorEmail());
        ReplyDAO.updateReply(rbean);
      }
      break;
    }
    if (!msgs.isEmpty()) {
      saveMessages(request, msgs);
      return mapping.findForward("showlog");
    }
    return makeForward(mapping.findForward("showlog"), reply.getSid(),
        "log_id", reply.getParentId());
  }

  /**
   * ɾ����Ƭ����
   *
   * @param mapping
   * @param form
   * @param request
   * @param response
   * @return
   * @throws Exception
   */
  protected ActionForward doDeletePhotoReply(ActionMapping mapping,
      ActionForm form, HttpServletRequest request,
      HttpServletResponse response, String s_reply_id) throws Exception {
    String msg = null;
    ReplyForm reply = (ReplyForm) form;
    int reply_id = Integer.parseInt(s_reply_id);
    UserBean loginUser = super.getLoginUser(request, response);
    while (loginUser != null) {
      SiteBean site = super.getSiteByID(reply.getSid());
      if (site == null) {
        msg = getMessage(request, null, "error.site_not_available");
        break;
      }
      PhotoReplyBean rbean = (PhotoReplyBean) ReplyDAO.getReply(
          PhotoReplyBean.class, reply_id);
      if (rbean == null)
        break;
      if (rbean.getSite().getId() != reply.getSid()) {
        msg = getMessage(request, null, "error.param");
        break;
      }
      if (!site.isOwner(loginUser)
          && !isReplyBelongToUser(rbean, loginUser.getId())) {
        msg = getMessage(request, null, "error.access_deny");
        break;
      }
      PhotoDAO.deletePhotoReply(rbean);
      break;
    }
   
    String fromPage = reply.getFromPage();
   
    if (StringUtils.isNotEmpty(fromPage))
      return msgbox(mapping, form, request, response, msg, fromPage);
    return makeForward(mapping.findForward("photo"), reply.getSid());
  }

  /**
   * ɾ���ռ�����
   *
   * @param mapping
   * @param form
   * @param request
   * @param response
   * @return
   * @throws Exception
   */
  protected ActionForward doDeleteDiaryReply(ActionMapping mapping,
      ActionForm form, HttpServletRequest request,
      HttpServletResponse response, String s_reply_id) throws Exception {
    String msg = null;
    ReplyForm reply = (ReplyForm) form;
    int reply_id = Integer.parseInt(s_reply_id);
    UserBean loginUser = super.getLoginUser(request, response);
    while (loginUser != null) {
      SiteBean site = super.getSiteByID(reply.getSid());
      if (site == null) {
        msg = getMessage(request, null, "error.site_not_available");
        break;
      }
      DiaryReplyBean rbean = (DiaryReplyBean) ReplyDAO.getReply(
          DiaryReplyBean.class, reply_id);
      if (rbean == null)
        break;
      if (rbean.getSite().getId() != reply.getSid()) {
        msg = getMessage(request, null, "error.param");
        break;
      }
      if (!site.isOwner(loginUser)
          && !isReplyBelongToUser(rbean, loginUser.getId())) {
        msg = getMessage(request, null, "error.access_deny");
        break;
      }
      DiaryDAO.deleteDiaryReply(rbean);
      break;
    }
   
    String fromPage = reply.getFromPage();
   
    if (StringUtils.isNotEmpty(fromPage))
      return msgbox(mapping, form, request, response, msg, fromPage);
    return makeForward(mapping.findForward("diary"), reply.getSid());
  }

  protected boolean isReplyBelongToUser(_ReplyBean rb, int userid) {
    return (rb.getUser() != null && rb.getUser().getId() == userid);
  }

  /**
   * �����ռ�����
   *
   * @param mapping
   * @param form
   * @param request
   * @param response
   * @return
   * @throws Exception
   */
  protected ActionForward doAddDiaryReply(ActionMapping mapping,
      ActionForm form, HttpServletRequest request,
      HttpServletResponse response) throws Exception {
    ReplyForm reply = (ReplyForm) form;
    //��֤�ͻ��˰�ȫʶ����
    validateClientId(request, reply);
    ActionMessages msgs = new ActionMessages();
    do{
      if (StringUtils.isEmpty(reply.getContent())){
        msgs.add("reply", new ActionMessage("error.empty_not_allowed"));
        break;
      }
      if(reply.getContent().getBytes().length >= 3000){
        msgs.add("reply", new ActionMessage("error.reply_too_long"));
        break;
      }
      UserBean loginUser = super.getLoginUser(request, response);
      SiteBean site = super.getSiteByID(reply.getSid());
      if (site == null) {
        msgs.add("reply", new ActionMessage("error.site_not_available"));
        break;
      }
      //��������
      if(loginUser!=null && isUserInBlackList(site, loginUser)){
        msgs.add("topic", new ActionMessage("error.user_in_blacklist"));
        break;
      }
      DiaryOutlineBean diary = DiaryDAO.getDiaryOutlineByID(reply.getParentId());
      if (diary == null || diary.getSite().getId() != reply.getSid()) {
        msgs.add("reply", new ActionMessage("error.param"));
        break;
      }      
      if(diary.getLock()==1) {
        msgs.add("reply", new ActionMessage("error.diary.locked"));
        break;
      }
      // ���������д������
      DiaryReplyBean rbean = new DiaryReplyBean();
      rbean.setUser(loginUser);     
      rbean.setAuthor(super.autoFiltrate(site,reply.getAuthor()));
      if (StringUtils.isNotEmpty(reply.getAuthorURL()))
        rbean.setAuthorURL(reply.getAuthorURL());
      if (StringUtils.isNotEmpty(reply.getAuthorEmail()))
        rbean.setAuthorEmail(reply.getAuthorEmail());
      rbean.setClient(new ClientInfo(request, reply
          .getClientType()));
      String content = StringUtils.abbreviate(super.autoFiltrate(null,
          reply.getContent()), MAX_REPLY_LENGTH);
      rbean.setContent(super.filterScriptAndStyle(content));
      rbean.setDiary(diary);
      rbean.setReplyTime(new Date());
      rbean.setSite(site);
      rbean.setStatus(DiaryReplyBean.STATUS_NORMAL);
      rbean.setOwnerOnly(reply.getOwnerOnly());
      DiaryDAO.createDiaryReply(rbean);
      // �ж��Ƿ���Ҫ�ʼ�����
      if (diary.getReplyNotify() == 1) {
        String email = diary.getOwner().getContactInfo()
            .getEmail();
        if (StringUtils.isEmail(email)) {
          this.sendReplyNotify(request, rbean.getSite().getId(), rbean);
        }
      }
      break;
    }while(true);
    if (!msgs.isEmpty()) {
      saveMessages(request, msgs);
      return mapping.findForward("diary-enter-reply");
    }
    return makeForward(mapping.findForward("showlog"), reply.getSid(),
        "log_id", reply.getParentId());
  }

  /**
   * ������Ƭ����
   *
   * @param mapping
   * @param form
   * @param request
   * @param response
   * @return
   * @throws Exception
   */
  protected ActionForward doAddPhotoReply(ActionMapping mapping,
      ActionForm form, HttpServletRequest request,
      HttpServletResponse response) throws Exception {
    ReplyForm reply = (ReplyForm) form;
    //��֤�ͻ��˰�ȫʶ����
    validateClientId(request, reply);
    ActionMessages msgs = new ActionMessages();
    PhotoReplyBean rbean = new PhotoReplyBean();
    do{
      if (StringUtils.isEmpty(reply.getContent())){
        msgs.add("reply", new ActionMessage("error.empty_not_allowed"));
        break;
      }
      if(reply.getContent().getBytes().length >= 3000){
        msgs.add("reply", new ActionMessage("error.reply_too_long"));
        break;
      }
      SiteBean site = super.getSiteByID(reply.getSid());
      if (site == null) {
        msgs.add("reply", new ActionMessage("error.site_not_available"));
        break;
      }
      UserBean loginUser = super.getLoginUser(request, response);
      //��������
      if(loginUser!=null && isUserInBlackList(site, loginUser)){
        msgs.add("photo", new ActionMessage("error.user_in_blacklist"));
        break;
      }
      PhotoOutlineBean photo = PhotoDAO.getPhotoOutlineByID(reply.getParentId());
      if (photo == null || photo.getSite().getId() != reply.getSid()) {
        msgs.add("reply", new ActionMessage("error.param"));
        break;
      }
      if(photo.getLock()==1) {
        msgs.add("reply", new ActionMessage("error.photo.locked"));
        break;
      }
      // ���������д������
      rbean.setUser(loginUser);
      rbean.setAuthor(super.autoFiltrate(site,reply.getAuthor()));
      if (StringUtils.isNotEmpty(reply.getAuthorURL()))
        rbean.setAuthorURL(reply.getAuthorURL());
      if (StringUtils.isNotEmpty(reply.getAuthorEmail()))
        rbean.setAuthorEmail(reply.getAuthorEmail());
      rbean.setClient(new ClientInfo(request, reply
          .getClientType()));
      String content = StringUtils.abbreviate(super.autoFiltrate(null,
          reply.getContent()), MAX_REPLY_LENGTH);
      rbean.setContent(super.filterScriptAndStyle(content));
      rbean.setPhoto(photo);
      rbean.setReplyTime(new Date());
      rbean.setSite(site);
      rbean.setStatus(DiaryReplyBean.STATUS_NORMAL);
      rbean.setOwnerOnly(reply.getOwnerOnly());
      PhotoDAO.createPhotoReply(rbean);
      break;
    }while(true);
    if (!msgs.isEmpty()) {
      saveMessages(request, msgs);
      return mapping.findForward("showphoto");
    }
    StringBuffer ext = new StringBuffer("pid=");
    ext.append(reply.getParentId());
    //ext.append('#');
    //ext.append(rbean.getId());
    return makeForward(mapping.findForward("showphoto"), reply.getSid(),
        ext.toString());
  }

  /**
   * �����������ʼ�����
   *
   * @param request
   * @param rbean
   * @throws Exception
   */
  protected void sendReplyNotify(HttpServletRequest request, final int site_id, 
      final DiaryReplyBean rbean) throws Exception {
   
    final String contextPath = request.getContextPath();
    final String urlPrefix = RequestUtils.getUrlPrefix(request);
    final String template = super.getReplyNotifyTemplate();
   
    new Thread() {
      public void run() {
        try {
          StringBuffer url = new StringBuffer();
          url.append(urlPrefix);
          url.append(contextPath);
          url.append("/html/diary/showlog.vm?sid=");
          url.append(rbean.getSite().getId());
          url.append("&log_id=");
          url.append(rbean.getDiary().getId());
          url.append("#");
          url.append(rbean.getId());
          String curTime = new SimpleDateFormat("yyyy-MM-dd HH:mm")
              .format(new Date());
          // �����ʼ�����
          String notify_content = MessageFormat.format(template,
              new String[]{rbean.getDiary().getOwner().getNickname(),
              rbean.getDiary().getTitle(), rbean.getAuthor(),
              url.toString(), curTime, rbean.getContent()});
          Parser html = new Parser();
          html.setEncoding(Globals.ENC_8859_1);
          html.setInputHTML(notify_content);
          Node[] nodes = html.extractAllNodesThatMatch(
              HtmlNodeFilters.titleFilter).toNodeArray();
          String title = nodes[0].toPlainTextString();
          MailSender sender = MailSender.getHtmlMailSender(null, 25,
              null, null);
          sender.setSubject(title);
          sender.setSendDate(new Date());
          sender.setMailContent(notify_content);
          sender.setMailTo(new String[] { rbean.getDiary().getOwner()
              .getContactInfo().getEmail() }, "to");
          MailTransportQueue queue = (MailTransportQueue) getServlet()
              .getServletContext().getAttribute(
                  Globals.MAIL_QUEUE);
          // д��������ʼ�����
          queue.write(site_id, sender
              .getMimeMessage());
          if(log.isDebugEnabled())
            log.debug("Notification mail was written to the sending queue.");
        } catch (Exception e) {
          log.error("send notification mail failed.", e);
        }
      }
    }.start();
  }
 
}
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