package com.mzl.flower.service.point;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.mzl.flower.config.exception.ValidationException;
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import com.mzl.flower.config.security.SecurityUtils;
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import com.mzl.flower.constant.Constants;
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import com.mzl.flower.dto.request.point.*;
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import com.mzl.flower.dto.response.point.PointGoodsDTO;
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import com.mzl.flower.dto.response.point.PointGoodsListDTO;
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import com.mzl.flower.dto.response.point.PointGoodsRecordDTO;
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import com.mzl.flower.entity.point.CustomerPoint;
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import com.mzl.flower.entity.point.CustomerPointDetail;
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import com.mzl.flower.entity.point.PointGoods;
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import com.mzl.flower.entity.point.PointGoodsRecord;
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import com.mzl.flower.mapper.point.CustomerPointDetailMapper;
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import com.mzl.flower.mapper.point.CustomerPointMapper;
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import com.mzl.flower.mapper.point.PointGoodsMapper;
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import com.mzl.flower.mapper.point.PointGoodsRecordMapper;
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import com.mzl.flower.service.BaseService;
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import com.mzl.flower.utils.UUIDGenerator;
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import org.springframework.beans.BeanUtils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import java.time.LocalDate;
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import java.util.List;
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@Service
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@Transactional
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public class PointGoodsService extends BaseService {
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@Autowired
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private PointGoodsMapper pointGoodsMapper;
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@Autowired
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private PointGoodsRecordMapper pointGoodsRecordMapper;
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@Autowired
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private CustomerPointMapper customerPointMapper;
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@Autowired
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private CustomerPointDetailMapper customerPointDetailMapper;
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public Long addPointGoods(PointGoodsCreateDTO dto){
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PointGoods p = new PointGoods();
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BeanUtils.copyProperties(dto, p);
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p.setPictures(toJSONString(dto.getPictureList()));
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p.setStatus(Constants.POINT_GOODS_STATUS.I.name());
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p.create(SecurityUtils.getUserId());
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pointGoodsMapper.insert(p);
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return p.getId();
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}
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public Long updatePointGoods(PointGoodsUpdateDTO dto){
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PointGoods p = pointGoodsMapper.selectById(dto.getId());
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if(p == null){
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throw new ValidationException("商品未找到");
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}
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BeanUtils.copyProperties(dto, p);
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p.setPictures(toJSONString(dto.getPictureList()));
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p.update(SecurityUtils.getUserId());
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pointGoodsMapper.updateById(p);
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return p.getId();
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}
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public void deletePointGoods(Long id){
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pointGoodsMapper.deleteById(id);
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}
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public Page<PointGoodsListDTO> selectGoodsList(Page page, PointGoodsQueryDTO dto){
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List<PointGoodsListDTO> ls = pointGoodsMapper.selectGoodsList(page, dto);
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page.setRecords(ls);
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return page;
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}
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public PointGoodsDTO getGoodsInfo(Long id){
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PointGoods p = pointGoodsMapper.selectById(id);
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if(p == null){
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throw new ValidationException("商品未找到");
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}
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PointGoodsDTO dto = new PointGoodsDTO();
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BeanUtils.copyProperties(p, dto);
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dto.setPictureList(parseArray(p.getPictures(), String.class));
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return dto;
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}
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public void updateStatus(Long id, String status){
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PointGoods p = pointGoodsMapper.selectById(id);
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if(p == null){
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throw new ValidationException("商品未找到");
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}
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p.setStatus(status);
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p.update(SecurityUtils.getUserId());
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pointGoodsMapper.updateById(p);
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}
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public synchronized void exchangeGoods(ExchangeGoodsDTO dto) {
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PointGoods p = pointGoodsMapper.selectById(dto.getGoodsId());
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if(p == null){
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throw new ValidationException("商品未找到");
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}
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if(!Constants.POINT_GOODS_STATUS.A.name().equals(p.getStatus())){
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throw new ValidationException("商品未上架");
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}
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if(p.getStock()< dto.getNum()){
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throw new ValidationException("商品库存不足");
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}
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CustomerPoint cp = customerPointMapper.selectOne(new LambdaQueryWrapper<CustomerPoint>()
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.eq(CustomerPoint::getUserId, SecurityUtils.getUserId()));
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if(cp == null || (cp.getTotalPoint()-cp.getUsedPoint()-cp.getExpiredPoint()) < p.getPoint() * dto.getNum()){
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throw new ValidationException("积分不足");
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}
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//记录兑换记录
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PointGoodsRecord record = new PointGoodsRecord();
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record.setUserId(SecurityUtils.getUserId());
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record.setCustomerId(getCustomerByUserId(SecurityUtils.getUserId()).getId());
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record.setGoodsId(dto.getGoodsId());
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record.setNum(dto.getNum());
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record.setPoint(p.getPoint());
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record.setName(p.getName());
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record.setPictures(p.getPictures());
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record.setDescription(p.getDescription());
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record.setTotalPoint(p.getPoint() * dto.getNum());
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record.setCover(p.getCover());
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record.setRedeemCode(UUIDGenerator.getUUID());
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record.setStatus(Constants.POINT_GOODS_RECORD_STATUS.A.name());//未使用
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pointGoodsRecordMapper.insert(record);
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//更新积分汇总
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cp.setUsedPoint(cp.getUsedPoint()+record.getTotalPoint());
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customerPointMapper.updateById(cp);
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//记录积分明细
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CustomerPointDetail detail = new CustomerPointDetail();
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detail.setUserId(SecurityUtils.getUserId());
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detail.setCustomerId(record.getCustomerId());
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detail.setPoint(record.getTotalPoint());
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detail.setChangeType(Constants.POINT_CHANGE_TYPE.reduce.name());
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detail.setType(Constants.POINT_TYPE.exchange.name());
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detail.setRecordDate(LocalDate.now());
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detail.setRemarks(record.getName());
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detail.create(SecurityUtils.getUserId());
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customerPointDetailMapper.insert(detail);
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//更新库存
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p.setStock(p.getStock()- dto.getNum());
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pointGoodsMapper.updateById(p);
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}
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public Page<PointGoodsRecordDTO> myExchangeGoods(QueryExchangeGoodsDTO dto, Page page) {
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dto.setUserId(SecurityUtils.getUserId());
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List<PointGoodsRecordDTO> list = pointGoodsRecordMapper.selectMyExchangeGoods(dto,page);
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page.setRecords(list);
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return page;
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}
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public void useExchangeGoods(Long recordId,String orderId) {
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PointGoodsRecord record = pointGoodsRecordMapper.selectById(recordId);
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if(record == null){
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throw new ValidationException("兑换券不存在");
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}
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if(!Constants.POINT_GOODS_RECORD_STATUS.A.name().equals(record.getStatus())){
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throw new ValidationException("兑换券已使用或过期");
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}
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if(!SecurityUtils.getUserId().equals(record.getUserId())){
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throw new ValidationException("兑换券不属于当前用户");
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}
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record.setStatus(Constants.POINT_GOODS_RECORD_STATUS.U.name());
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record.setOrderId(orderId);
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pointGoodsRecordMapper.updateById(record);
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}
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public void revertExchangeGoods(Long recordId) {
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PointGoodsRecord record = pointGoodsRecordMapper.selectById(recordId);
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if(record == null){
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throw new ValidationException("兑换券不存在");
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}
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if(!Constants.POINT_GOODS_RECORD_STATUS.U.name().equals(record.getStatus())){
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throw new ValidationException("兑换券未使用或过期");
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}
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if(!SecurityUtils.getUserId().equals(record.getUserId())){
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throw new ValidationException("兑换券不属于当前用户");
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}
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record.setStatus(Constants.POINT_GOODS_RECORD_STATUS.A.name());
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record.setOrderId(null);
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pointGoodsRecordMapper.updateById(record);
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}
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}
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