package com.mzl.flower.service.menber.impl;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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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.menber.MemberDTO;
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import com.mzl.flower.dto.request.menber.MemberQueryDTO;
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import com.mzl.flower.dto.response.member.MemberVO;
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import com.mzl.flower.entity.menber.Member;
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import com.mzl.flower.mapper.customer.CustomerMapper;
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import com.mzl.flower.mapper.member.MemberMapper;
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import com.mzl.flower.service.menber.MemberService;
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import lombok.RequiredArgsConstructor;
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import org.springframework.beans.BeanUtils;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import org.springframework.util.ObjectUtils;
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import org.springframework.util.StringUtils;
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import java.math.BigDecimal;
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import java.util.List;
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/**
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* @author fanghaowei
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* @version version2.0
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* @className MemberServiceImpl
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* @date 2024/8/26
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* @description 会员管理功能逻辑层
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*/
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@Service
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@Transactional
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@RequiredArgsConstructor
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public class MemberServiceImpl extends ServiceImpl<MemberMapper, Member> implements MemberService {
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private final MemberMapper memberMapper;
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private final CustomerMapper customerMapper;
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@Override
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public void saveMember(MemberDTO memberDTO) {
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//是否已经存在endpoint已经有最大值了，有的话需要删除或者修改
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if (memberDTO.getEndPoint() == null) {
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// Member pointByIntegerMaxValue = memberMapper.getEndPointByIntegerMaxValue(Integer.MAX_VALUE);
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// if (!ObjectUtils.isEmpty(pointByIntegerMaxValue)) {
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// throw new ValidationException("系统中已经有一条最大值或者空值记录，请删除或者修改再保存");
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// } else {
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memberDTO.setEndPoint(Integer.MAX_VALUE);
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// }
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}
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if (StringUtils.isEmpty(memberDTO.getName())) {
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throw new ValidationException("会员等级名称不能为空");
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}
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if (StringUtils.isEmpty(memberDTO.getDiscountType())) {
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throw new ValidationException("会员折扣类型不能为空");
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}
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if (Constants.DISCOUNT_TYPE.amount.name().equals(memberDTO.getDiscountType()) && StringUtils.isEmpty(memberDTO.getDiscountAmount())) {
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throw new ValidationException("会员折扣固定金额不能为空");
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}
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if (Constants.DISCOUNT_TYPE.ratio.name().equals(memberDTO.getDiscountType()) && StringUtils.isEmpty(memberDTO.getDiscountRatio())) {
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throw new ValidationException("会员折扣百分比不能为空");
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}
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if (memberDTO.getStartPoint() > memberDTO.getEndPoint()) {
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throw new ValidationException("成长点开始不能大于结束点");
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}
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if (!StringUtils.isEmpty(memberDTO.getDiscountRatio())) {
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int discountRatio1 = memberDTO.getDiscountRatio().compareTo(BigDecimal.ZERO);
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if (discountRatio1 == -1) {
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throw new ValidationException("会员折扣百分比不能小于0");
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}
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int discountRatio2 = memberDTO.getDiscountRatio().compareTo(new BigDecimal(100));
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if (discountRatio2 == 1) {
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throw new ValidationException("会员折扣百分比不能大于100");
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}
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}
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//区间交集判断
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//查询所有等级
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List<Member> allMember = memberMapper.getAllMember();
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allMember.forEach(a -> {
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if (a.getStartPoint() < memberDTO.getEndPoint() && a.getEndPoint() > memberDTO.getStartPoint()) {
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throw new ValidationException("存在交集，不允许保存");
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}
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});
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if (!StringUtils.isEmpty(memberDTO.getDiscountAmount())) {
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int discountAmount = memberDTO.getDiscountAmount().compareTo(BigDecimal.ZERO);
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if (discountAmount == -1) {
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throw new ValidationException("会员折扣固定金额不能小于0");
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}
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}
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//保存时判断是否有重复的名称
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Member memberByName = memberMapper.getMemberByName(memberDTO.getName());
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if (!ObjectUtils.isEmpty(memberByName)) {
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throw new ValidationException("会员等级名称重复");
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}
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Member member = new Member();
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BeanUtils.copyProperties(memberDTO, member);
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member.create(SecurityUtils.getUserId());
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memberMapper.insert(member);
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//更新会员等级
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customerMapper.updateMemberLevelByPoint(member.getId(), memberDTO.getStartPoint(), memberDTO.getEndPoint());
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}
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@Override
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public void updateMember(MemberDTO memberDTO) {
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Member memberInfo = memberMapper.selectById(memberDTO.getId());
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if (memberInfo == null) {
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throw new ValidationException("会员等级信息不存在");
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}
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if (StringUtils.isEmpty(memberDTO.getDiscountType())) {
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throw new ValidationException("会员折扣类型不能为空");
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}
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if (Constants.DISCOUNT_TYPE.amount.name().equals(memberDTO.getDiscountType()) && StringUtils.isEmpty(memberDTO.getDiscountAmount())) {
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throw new ValidationException("会员折扣固定金额不能为空");
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}
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if (Constants.DISCOUNT_TYPE.ratio.name().equals(memberDTO.getDiscountType()) && StringUtils.isEmpty(memberDTO.getDiscountRatio())) {
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throw new ValidationException("会员折扣百分比不能为空");
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}
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if (!StringUtils.isEmpty(memberDTO.getDiscountRatio())) {
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int discountRatio1 = memberDTO.getDiscountRatio().compareTo(BigDecimal.ZERO);
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if (discountRatio1 == -1) {
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throw new ValidationException("会员折扣百分比不能小于0");
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}
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int discountRatio2 = memberDTO.getDiscountRatio().compareTo(new BigDecimal(100));
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if (discountRatio2 == 1) {
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throw new ValidationException("会员折扣百分比不能大于100");
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}
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}
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if (!StringUtils.isEmpty(memberDTO.getDiscountAmount())) {
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int discountAmount = memberDTO.getDiscountAmount().compareTo(BigDecimal.ZERO);
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if (discountAmount == -1) {
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throw new ValidationException("会员折扣固定金额不能小于0");
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}
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}
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Member memberTemp = memberMapper.getMemberByName(memberDTO.getName());
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//判断如果按照会员等级查询到得名称和当前得Id不一致，不能修改。
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if (!ObjectUtils.isEmpty(memberTemp)) {
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if (memberTemp.getId() != memberDTO.getId()) {
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throw new ValidationException("已存在会员等级名称，无法修改");
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}
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}
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//是否已经存在endpoint已经有最大值了，有的话需要删除或者修改
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// if (memberDTO.getEndPoint() == null && memberInfo.getEndPoint() != Integer.MAX_VALUE) {
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// Member pointByIntegerMaxValue = memberMapper.getEndPointByIntegerMaxValue(Integer.MAX_VALUE);
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// if (!ObjectUtils.isEmpty(pointByIntegerMaxValue)) {
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// throw new ValidationException("系统中已经有一条最大值或者空值记录，请删除或者修改再保存");
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// } else {
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// memberDTO.setEndPoint(Integer.MAX_VALUE);
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// }
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// } else if (memberDTO.getEndPoint() == null && memberInfo.getEndPoint() == Integer.MAX_VALUE) {
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// memberDTO.setEndPoint(Integer.MAX_VALUE);
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// }
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if (memberDTO.getEndPoint() == null) {
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if (memberInfo.getEndPoint() != Integer.MAX_VALUE) {
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Member pointByIntegerMaxValue = memberMapper.getEndPointByIntegerMaxValue(Integer.MAX_VALUE);
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if (!ObjectUtils.isEmpty(pointByIntegerMaxValue)) {
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throw new ValidationException("系统中已经有一条最大值或者空值记录，请删除或者修改再保存");
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} else {
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memberDTO.setEndPoint(Integer.MAX_VALUE);
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}
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} else {
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memberDTO.setEndPoint(Integer.MAX_VALUE);
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}
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}
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if (memberDTO.getStartPoint() > memberDTO.getEndPoint()) {
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throw new ValidationException("成长点开始不能大于结束");
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}
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//区间交集判断
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//查询所有等级
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List<Member> allMember = memberMapper.getOtherAllMember(memberDTO.getId());
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allMember.forEach(a -> {
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if (a.getStartPoint() < memberDTO.getEndPoint() && a.getEndPoint() > memberDTO.getStartPoint()) {
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throw new ValidationException("存在交集，不允许修改");
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}
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});
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//更新会员等级
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if (memberInfo.getStartPoint() != memberDTO.getStartPoint() || memberInfo.getEndPoint() != memberDTO.getEndPoint()) {
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customerMapper.updateMemberLevelByPoint(memberInfo.getId(), memberDTO.getStartPoint(), memberDTO.getEndPoint());
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}
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BeanUtils.copyProperties(memberDTO,memberInfo);
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memberInfo.update(SecurityUtils.getUserId());
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memberMapper.updateById(memberInfo);
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}
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@Override
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public void deleteMember(String id) {
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if(id.equals(Constants.DEFAULT_MEMBER_ID)){
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throw new ValidationException("默认普通会员只能编辑，不能删除");
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}
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Member member = memberMapper.selectById(id);
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if (member == null) {
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throw new ValidationException("会员等级信息不存在");
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}
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Integer levelId = customerMapper.getByLevelId(id);
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if (levelId > 0) {
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throw new ValidationException("当前会员等级用户已使用，无法删除");
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}
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memberMapper.deleteById(id);
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}
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@Override
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public Page<MemberVO> queryPage(MemberQueryDTO memberQueryDTO, Page page) {
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List<MemberVO> list = memberMapper.queryPage(memberQueryDTO, page);
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page.setRecords(list);
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return page;
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}
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}
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