package com.example.service;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.date.DateUtil;
import cn.hutool.core.util.RandomUtil;
import com.example.common.ResultCode;
import com.example.dao.OrderGoodsRelDao;
import com.example.dao.OrderInfoDao;
import com.example.entity.*;
import com.example.exception.CustomException;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
@Service
public class OrderInfoService {
@Resource
private OrderInfoDao orderInfoDao;
@Resource
private GoodsInfoService goodsInfoService;
@Resource
private AdminInfoService adminInfoService;
@Resource
private WorkerInfoService workerInfoService;
@Resource
private UserInfoService userInfoService;
@Resource
private OrderGoodsRelDao orderGoodsRelDao;
@Resource
private CartInfoService cartInfoService;
/**
* 根据id查询订单信息
*/
public OrderInfo findById(Long id) {
OrderInfo orderInfo = orderInfoDao.selectByPrimaryKey(id);
packOrder(orderInfo);
return orderInfo;
}
public List<OrderInfo> findAll(Long userId, Integer level) {
List<OrderInfo> orderInfos = orderInfoDao.findByUserId(userId, level);
for (OrderInfo orderInfo : orderInfos) {
packOrder(orderInfo);
}
return orderInfos;
}
/**
* 包装订单的用户和商品信息
*/
private void packOrder(OrderInfo orderInfo) {
Long orderId = orderInfo.getId();
List<OrderGoodsRel> rels = orderGoodsRelDao.findByOrderId(orderId);
orderInfo.setUserInfo(getUserInfo(orderInfo.getUserId(), orderInfo.getLevel()));
List<GoodsInfo> goodsList = CollUtil.newArrayList();
orderInfo.setGoodsList(goodsList);
for (OrderGoodsRel rel : rels) {
GoodsInfo goodsDetailInfo = goodsInfoService.findById(rel.getGoodsId());
if (goodsDetailInfo != null) {
// 注意这里返回的count是用户加入商品的数量,而不是商品的库存
goodsDetailInfo.setCount(rel.getCount());
goodsList.add(goodsDetailInfo);
}
}
}
/**
* 分页查询订单信息
*/
public PageInfo<OrderInfo> findEndPages(Integer pageNum, Integer pageSize, HttpServletRequest request) {
Account user = (Account) request.getSession().getAttribute("user");
if (user == null) {
throw new CustomException("1001", "session已失效,请重新登录");
}
Integer level = user.getLevel();
Long userId = user.getId();
PageHelper.startPage(pageNum, pageSize);
List<OrderInfo> orderInfos;
if (1 == level) {
orderInfos = orderInfoDao.selectAll();
} else if (userId != null){
orderInfos = orderInfoDao.findByEndUserId(userId, null, level);
} else {
orderInfos = new ArrayList<>();
}
for (OrderInfo orderInfo : orderInfos) {
packOrder(orderInfo);
}
return PageInfo.of(orderInfos);
}
public PageInfo<OrderInfo> findFrontPages(Long userId, Integer level, Integer pageNum, Integer pageSize) {
PageHelper.startPage(pageNum, pageSize);
List<OrderInfo> orderInfos;
if (userId != null){
orderInfos = orderInfoDao.findByUserId(userId, level);
} else {
orderInfos = new ArrayList<>();
}
for (OrderInfo orderInfo : orderInfos) {
packOrder(orderInfo);
}
return PageInfo.of(orderInfos);
}
/**
* 分页查询订单信息
*/
public PageInfo<OrderInfo> findPages(Long userId, Integer level, Integer pageNum, Integer pageSize) {
PageHelper.startPage(pageNum, pageSize);
List<OrderInfo> orderInfos;
if (userId != null) {
orderInfos = orderInfoDao.findByUserId(userId, level);
} else {
orderInfos = orderInfoDao.selectAll();
}
for (OrderInfo orderInfo : orderInfos) {
packOrder(orderInfo);
}
return PageInfo.of(orderInfos);
}
/**
* 下单
*/
@Transactional
public OrderInfo add(OrderInfo info) {
Long userId = info.getUserId();
Integer level = info.getLevel();
Account userInfo = getUserInfo(userId, level);
List<GoodsInfo> goodsList = info.getGoodsList();
// 将商品分分类,根据上传用户id_用户level来确定唯一的key
Map<String, List<GoodsInfo>> collectMap = goodsList.stream()
.collect(Collectors.groupingBy(x -> x.getUserId() + "_" + x.getLevel()));
for (String key : collectMap.keySet()) {
List<GoodsInfo> list = collectMap.get(key);
// 这里面创建一个订单
OrderInfo orderInfo = new OrderInfo();
orderInfo.setUserId(userId);
orderInfo.setLevel(level);
orderInfo.setStatus("待付款");
orderInfo.setLinkAddress(userInfo.getAddress());
orderInfo.setLinkMan(userInfo.getNickName());
orderInfo.setLinkPhone(userInfo.getPhone());
orderInfo.setCreateTime(DateUtil.formatDateTime(new Date()));
// 订单id:用户id + 当前年月日时分 + 4位流水号
String orderId = userId + DateUtil.format(new Date(), "yyyyMMddHHmm") + RandomUtil.randomNumbers(4);
orderInfo.setOrderId(orderId);
// 生成订单
orderInfoDao.insertSelective(orderInfo);
double totalPrice = 0;
for (GoodsInfo orderGoodsVO : list) {
Long goodsId = orderGoodsVO.getId();
// 查询商品信息
GoodsInfo goodsDetail = goodsInfoService.findById(goodsId);
if (goodsDetail != null) {
Integer orderCount = orderGoodsVO.getCount() == null ? 0 : orderGoodsVO.getCount();
Integer goodsCount = goodsDetail.getCount() == null ? 0 : goodsDetail.getCount();
// 扣库存
if (orderCount <= goodsCount) {
goodsDetail.setCount(goodsCount - orderCount);
// 销量 +count
int sales = goodsDetail.getSales() == null ? 0 : goodsDetail.getSales();
goodsDetail.setSales(sales + orderCount);
goodsInfoService.update(goodsDetail);
// 建立关系
OrderGoodsRel orderGoodsRel = new OrderGoodsRel();
orderGoodsRel.setGoodsId(goodsId);
orderGoodsRel.setOrderId(orderInfo.getId());
orderGoodsRel.setCount(orderCount);
orderGoodsRelDao.insertSelective(orderGoodsRel);
totalPrice += goodsDetail.getPrice() * goodsDetail.getDiscount() * orderCount;
}
}
}
orderInfo.setTotalPrice(totalPrice);
// 更新订单信息
orderInfoDao.updateByPrimaryKeySelective(orderInfo);
// 下单 清空购物车
cartInfoService.empty(userId, level);
}
return info;
}
@Transactional(rollbackFor = Exception.class)
public void add(Long userId, Integer level, List<GoodsInfo> goodsList) {
Account userInfo = getU
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基于Java Web酒店客房管理系统的设计与实现(毕业论文) (492个子文件)
$PRODUCT_WORKSPACE_FILE$ 489B
OrderInfoService.class 14KB
AccountController.class 12KB
AdminInfoController.class 8KB
WorkerInfoController.class 8KB
UserInfoController.class 8KB
ReserveInfoController.class 8KB
NxSystemFileController.class 8KB
AdvertiserInfoController.class 8KB
GoodsInfoService.class 7KB
RoomInfoController.class 7KB
TypeInfoController.class 7KB
EchartsController.class 7KB
CartInfoService.class 7KB
GoodsInfoController.class 6KB
CommentInfoService.class 6KB
OrderInfoController.class 6KB
MenuController.class 5KB
ReserveInfo.class 5KB
GoodsInfo.class 5KB
CartInfoController.class 4KB
CommentInfoController.class 4KB
ReserveInfoService.class 4KB
WorkerInfoService.class 4KB
AdminInfoService.class 4KB
UserInfoService.class 4KB
OrderInfo.class 4KB
AdminInfo.class 4KB
MessageInfoService.class 4KB
WorkerInfo.class 4KB
UserInfo.class 4KB
MessageInfoController.class 3KB
AdvertiserInfoService.class 3KB
RoomInfoService.class 3KB
Account.class 3KB
NxSystemFileInfoService.class 3KB
CommentInfo.class 2KB
TypeInfoService.class 2KB
CartInfo.class 2KB
Result.class 2KB
OrderInfoDao.class 2KB
EchartsData.class 2KB
ResultCode.class 2KB
MyInterceptor.class 2KB
GoodsInfoDao.class 2KB
GlobalExceptionHandler.class 2KB
MessageInfo.class 2KB
EchartsData$Data.class 2KB
WebMvcConfig.class 2KB
OrderGoodsRel.class 2KB
AdvertiserInfo.class 2KB
EchartsData$Series.class 1KB
AuthorityInfo.class 1KB
MyInterceptorConfig.class 1KB
NxSystemFileInfo.class 1KB
CommentInfoDao.class 1KB
TypeInfo.class 1KB
CartInfoDao.class 1KB
AuthorityInfo$Model.class 1KB
CustomException.class 1KB
RoomInfo.class 1KB
ReserveInfoDao.class 996B
WorkerInfoDao.class 925B
AdminInfoDao.class 920B
UserInfoDao.class 915B
MessageInfoVo.class 831B
OrderGoodsRelDao.class 804B
MessageInfoDao.class 798B
Application.class 793B
NxSystemFileInfoDao.class 773B
RoomInfoDao.class 665B
AdvertiserInfoDao.class 649B
ReserveInfoVo.class 600B
TypeInfoDao.class 541B
AdvertiserInfoVo.class 320B
WorkerInfoVo.class 304B
AdminInfoVo.class 300B
UserInfoVo.class 296B
RoomInfoVo.class 296B
index.css 227KB
index.css 227KB
index.css 227KB
index.css 227KB
bootstrap.min.css 119KB
bootstrap.min.css 119KB
bootstrap.min.css 119KB
bootstrap.min.css 119KB
font-awesome.css 26KB
font-awesome.css 26KB
font-awesome.css 26KB
font-awesome.css 26KB
quill.snow.css 24KB
quill.snow.css 24KB
swiper.min.css 13KB
swiper.min.css 13KB
nav.css 2KB
nav.css 2KB
my.css 1KB
my.css 1KB
my.css 1KB
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