package com.yhcms.manage.artclass.action;

import java.io.UnsupportedEncodingException;
import java.util.List;

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

import org.apache.log4j.Logger;
import org.apache.struts.action.Action;
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 com.yhcms.artclass.dao.ArtClassDaoIm;
import com.yhcms.artclass.itface.ArtClassDao;
import com.yhcms.db.DBConnException;
import com.yhcms.utils.ReqUtils;
/**
 * <p>Title:欄目管理Action</p>
 * <li>跳轉到欄目管理畫面</li>
 * <b>CopyRight: yyhweb[由由華網]</b>
 * @author stephen
 * @version YH-2.0
 */
public class ClassMag extends Action {
	public ActionForward execute(ActionMapping actionmapping,ActionForm form,
			 HttpServletRequest request,HttpServletResponse response) throws UnsupportedEncodingException{
		
			Logger yhlog = Logger.getLogger(ClassMag.class.getName());
			ActionMessages errors = new ActionMessages();
			
			String action = "";
			int csId = 0;
			action = ReqUtils.getString(request,"action"); 
			csId = ReqUtils.getInt(request,"csId");
			ArtClassDao classdao = ArtClassDaoIm.getInstance();
			List classList = null;
			try {
				classList = classdao.getAllClass();
				request.setAttribute("cList",classList);
				boolean flag = false;
				if(action.equals("delete")){
					if(csId>0){
						flag = classdao.delOneClass(csId);
						if(flag){
							return actionmapping.findForward("DeleteOk");
						}
					}
					//	刪除文章欄目出錯或者csId<=0的話,記錄一個錯誤.
					yhlog.info("Delete a class unsuccessfully.");
					errors.add("admin.class.delete",new ActionMessage("admin.class.delete"));
					saveErrors(request,errors);
					return actionmapping.findForward("Success");
				}
				if(action.equals("update")){
					request.setAttribute("csId",csId);
					return actionmapping.findForward("Update");
				}
				
			} catch (DBConnException e) {
				yhlog.warn("Manage system classes,throw an Exception!");
				errors.add("admin.class.exception",new ActionMessage("admin.class.exception"));
				saveErrors(request,errors);
				return actionmapping.findForward("Success");
			}
			return actionmapping.findForward("Success");
	}

}