package com.gd.action;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.log4j.Logger;
import org.springframework.validation.BindException;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.SimpleFormController;
import com.gd.dao.NewsTypeDAO;
import com.gd.dao.NewsDAO;
import com.gd.po.Newstype;
import com.gd.service.Release;
import com.gd.util.NewsUtil;
import com.gd.vo.User;
import com.gd.vo.News;
import com.gd.vo.NewsType;
//繼承SimpleFormController,用來(lái)負(fù)責(zé)對(duì)頁(yè)面?zhèn)鱽?lái)的發(fā)布新聞的請(qǐng)求進(jìn)行轉(zhuǎn)發(fā)
public class ReleaseController extends SimpleFormController {
	private Logger logger=Logger.getLogger(this.getClass().getName());
	private Release release;
	public Release getRelease(){
		return release;
	}
	public void setRelease(Release release){
		this.release=release;
	}
	//覆寫(xiě)onSubmit()方法，用來(lái)接收用戶(hù)提交的新聞信息
	public ModelAndView onSubmit(HttpServletRequest req,HttpServletResponse res,Object command,BindException errors)throws Exception{
		HttpSession session=req.getSession(true);
		//獲取頁(yè)面中用戶(hù)選擇的新聞?lì)悇eid
		NewsType newsType=new NewsType();
		newsType.setid(Integer.parseInt(req.getParameter("newsType")));
		//把從頁(yè)面中抓取的新聞信息轉(zhuǎn)換成News類(lèi)存儲(chǔ)
		News news=(News)command;
		//獲取保存在session中的用戶(hù)信息
		User user=(User)session.getAttribute("user");
		news.setDate(NewsUtil.parseDateDayFormat(NewsUtil.getCurrentDate()));
		//通過(guò)輔助類(lèi)獲取新聞發(fā)布日期
		news.setLnkUser(user);
		news.setLnkNewsType(newsType);
		//保存新聞
		getRelease().saveNews(news);
		Map model=errors.getModel();
		Map mapNews=new HashMap();
		//獲取新聞?lì)悇e
		List listNewsType=getNewsTypeDAO().queryNewsType();
		//根據(jù)新聞?lì)悇e獲取對(duì)應(yīng)的新聞，并將其保存在Map中
		for(int i=0;listNewsType!=null&&i<listNewsType.size();i++){
			Newstype newsTypeTemp=(Newstype)listNewsType.get(i);
			//根據(jù)新聞?lì)悇e獲取對(duì)應(yīng)的新聞
			List listNews=getNewsDAO().getNewsByType(newsTypeTemp.getId());
			mapNews.put(newsTypeTemp.getId(),listNews);
		}
		//將信息存儲(chǔ)在model中，供返回頁(yè)面使用
		model.put("mapNews",mapNews);
		model.put("listNewsType",listNewsType);
		model.put("news",news);
		return new ModelAndView(getSuccessView(),model);
	}
	//下面都是為了實(shí)現(xiàn)依賴(lài)注入
	private NewsDAO newsDAO;
	private NewsDAO getNewsDAO(){
		return newsDAO;
	}
	public void setNewsDAO(NewsDAO newsDAO){
		this.newsDAO=newsDAO;
	}
	private NewsTypeDAO newsTypeDAO;
	private NewsTypeDAO getNewsTypeDAO(){
		return newsTypeDAO;
	}
	public void setNewsTypeDAO(NewsTypeDAO newsTypeDAO){
		this.newsTypeDAO=newsTypeDAO;
	}
	

}