package com.db711.web.action.admin.log;

import javax.servlet.http.HttpServletRequest;

import org.apache.log4j.Logger;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.Action;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.springframework.orm.hibernate3.HibernateTransactionManager;

import com.db711.data.bean.UserInfo;
import com.db711.sys.Constant;
import com.db711.sys.StringUtil;

/**
 * @Description: 實現清空所有日志記錄操作
 * @Company: CSSRC
 * @Copyright: Copyright (c) 2008
 * @author：周錦程
 * @since：JDK1.5
 * @version：1.0
 * @date （開發日期）：   2008-04-03
 */

public class DeletAllLogInfoAction extends Action {
	static Logger logger = Logger.getLogger(DeletAllLogInfoAction.class);
	public DeletAllLogInfoAction() {
	}

	
	private HibernateTransactionManager transactionManager;
	
	/**
	 * 處理響應的execute方法
	 */

	public ActionForward execute(ActionMapping actionMapping,
			ActionForm actionForm, HttpServletRequest httpServletRequest,
			HttpServletResponse httpServletResponse) {
		UserInfo user = (UserInfo) httpServletRequest.getSession().getAttribute(Constant.USER);
		if(!(user.getUserRole().equals("admin"))){
			//普通用戶沒有刪除日志信息的權限
			String errorSORT = Constant.errorQuanxian;
			httpServletRequest.setAttribute("ERRORSORT", errorSORT);
			String error = "對不起，您不是管理員,沒有刪除日志信息的權限!";
			httpServletRequest.getSession().setAttribute("PUBLICINFERROR", error);
			return actionMapping.findForward("warning");
		}
		
		// 實現刪除
		SessionFactory sessionFactory = transactionManager.getSessionFactory();
		Session session = sessionFactory.openSession();
		Transaction tx = session.beginTransaction();
        String hql = " delete from Log ";
        session.createQuery(hql).executeUpdate();
		tx.commit();
		session.close();
		logger.warn(StringUtil.getLogString(((UserInfo)httpServletRequest.getSession().getAttribute(Constant.USER)).getUserAccount(),"執行了清空日志記錄操作"));
		return actionMapping.findForward("success");
	}

	public HibernateTransactionManager getTransactionManager() {
		return transactionManager;
	}

	public void setTransactionManager(HibernateTransactionManager transactionManager) {
		this.transactionManager = transactionManager;
	}




}