package com.lovenav.service.serviceImpl;

import com.alibaba.fastjson.JSON;
import com.lovenav.dao.NoticeDao;
import com.lovenav.entity.Notice;
import com.lovenav.service.NoticeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.Date;
import java.util.HashMap;
import java.util.List;

@Service
public class NoticeServiceImpl implements NoticeService {
    @Autowired
    private NoticeDao noticeDao;
    public String add(Notice notice){
        HashMap<String,Object> hashMap = new HashMap<>();
        Date date = new Date(System.currentTimeMillis());
        notice.setCreatetime(date);
        int result = noticeDao.insert(notice);
        if(result>0){
            hashMap.put("code",200);
            hashMap.put("msg","添加成功");
            return JSON.toJSONString(hashMap);
        }else{
            hashMap.put("code",500);
            hashMap.put("msg","添加成功");
            return JSON.toJSONString(hashMap);
        }
    }
    public String delete(int id){
        HashMap<String,Object> hashMap = new HashMap<>();
        int result = noticeDao.deleteByPrimaryKey(id);
        if(result>0){
            hashMap.put("code",200);
            hashMap.put("msg","删除成功");
            return JSON.toJSONString(hashMap);
        }else{
            hashMap.put("code",500);
            hashMap.put("msg","删除失败");
            return JSON.toJSONString(hashMap);
        }
    }
    public String select(){
        HashMap<String,Object> hashMap = new HashMap<>();
        List<Notice> result = noticeDao.selectAll();
        if(result != null){
            return JSON.toJSONString(result);
        }else{
            hashMap.put("code",500);
            hashMap.put("msg","查找失败");
            return JSON.toJSONString(hashMap);
        }
    }
    public String update(Notice notice){
        HashMap<String,Object> hashMap = new HashMap<>();
        int result = noticeDao.updateByPrimaryKeySelective(notice);
        if(result > 0){
            hashMap.put("code",200);
            hashMap.put("msg","修改成功");
            return JSON.toJSONString(hashMap);
        }else{
            hashMap.put("code",500);
            hashMap.put("msg","修改失败");
            return JSON.toJSONString(hashMap);
        }
    }

}