YunaiV
6 years ago
parent
6fd899bca2
commit
60b0043a78
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package cn.iocoder.mall.promotion.biz.service;
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import cn.iocoder.common.framework.enums.SysErrorCodeEnum;
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import cn.iocoder.common.framework.util.DateUtil;
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import cn.iocoder.common.framework.util.ServiceExceptionUtil;
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import cn.iocoder.common.framework.util.StringUtil;
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import cn.iocoder.mall.promotion.api.CouponService;
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import cn.iocoder.mall.promotion.api.bo.*;
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import cn.iocoder.mall.promotion.api.enums.*;
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import cn.iocoder.mall.promotion.api.dto.*;
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import cn.iocoder.mall.promotion.biz.convert.CouponCardConvert;
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import cn.iocoder.mall.promotion.biz.convert.CouponTemplateConvert;
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import cn.iocoder.mall.promotion.biz.dao.CouponCardMapper;
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import cn.iocoder.mall.promotion.biz.dao.CouponTemplateMapper;
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import cn.iocoder.mall.promotion.biz.dataobject.CouponCardDO;
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import cn.iocoder.mall.promotion.biz.dataobject.CouponTemplateDO;
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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.util.*;
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import java.util.stream.Collectors;
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@Service // 实际上不用添加。添加的原因是，必须 Spring 报错提示
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@org.apache.dubbo.config.annotation.Service(validation = "true", version = "${dubbo.provider.CouponService.version}")
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public class CouponServiceImpl implements CouponService {
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@Autowired
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private CouponTemplateMapper couponTemplateMapper;
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// ========== 优惠劵（码）模板 ==========
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@Override
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public CouponTemplateBO getCouponTemplate(Integer couponTemplateId) {
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CouponTemplateDO template = couponTemplateMapper.selectById(couponTemplateId);
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return CouponTemplateConvert.INSTANCE.convert(template);
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}
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@Override
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public CouponTemplatePageBO getCouponTemplatePage(CouponTemplatePageDTO couponTemplatePageDTO) {
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CouponTemplatePageBO couponTemplatePageBO = new CouponTemplatePageBO();
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// 查询分页数据
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int offset = (couponTemplatePageDTO.getPageNo() - 1) * couponTemplatePageDTO.getPageSize();
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couponTemplatePageBO.setList(CouponTemplateConvert.INSTANCE.convertToBO(couponTemplateMapper.selectListByPage(
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couponTemplatePageDTO.getType(), couponTemplatePageDTO.getTitle(),
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couponTemplatePageDTO.getStatus(), couponTemplatePageDTO.getPreferentialType(),
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offset, couponTemplatePageDTO.getPageSize())));
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// 查询分页总数
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couponTemplatePageBO.setTotal(couponTemplateMapper.selectCountByPage(
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couponTemplatePageDTO.getType(), couponTemplatePageDTO.getTitle(),
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couponTemplatePageDTO.getStatus(), couponTemplatePageDTO.getPreferentialType()));
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return couponTemplatePageBO;
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}
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@Override
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public CouponTemplateBO addCouponCodeTemplate(CouponCodeTemplateAddDTO couponCodeTemplateAddDTO) {
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return null;
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}
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@Override
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public CouponTemplateBO addCouponCardTemplate(CouponCardTemplateAddDTO couponCardTemplateAddDTO) {
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// 校验生效日期相关
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checkCouponTemplateDateType(couponCardTemplateAddDTO.getDateType(),
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couponCardTemplateAddDTO.getValidStartTime(), couponCardTemplateAddDTO.getValidEndTime(),
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couponCardTemplateAddDTO.getFixedBeginTerm(), couponCardTemplateAddDTO.getFixedEndTerm());
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// 校验优惠类型
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Boolean checkCouponTemplateDateTypeResult = checkCouponTemplatePreferentialType(
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couponCardTemplateAddDTO.getPreferentialType(), couponCardTemplateAddDTO.getPercentOff(),
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couponCardTemplateAddDTO.getPriceOff(), couponCardTemplateAddDTO.getPriceAvailable());
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// 保存优惠劵模板到数据库
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CouponTemplateDO template = CouponTemplateConvert.INSTANCE.convert(couponCardTemplateAddDTO)
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.setType(CouponTemplateTypeEnum.CARD.getValue())
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.setStatus(CouponTemplateStatusEnum.ENABLE.getValue())
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.setStatFetchNum(0);
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template.setCreateTime(new Date());
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couponTemplateMapper.insert(template);
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// 返回成功
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return CouponTemplateConvert.INSTANCE.convert(template);
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}
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@Override
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public Boolean updateCouponCodeTemplate(CouponCodeTemplateUpdateDTO couponCodeTemplateUpdateDTO) {
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return null;
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}
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@Override
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public Boolean updateCouponCardTemplate(CouponCardTemplateUpdateDTO couponCardTemplateUpdateDTO) {
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// 校验 CouponCardTemplate 存在
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CouponTemplateDO template = couponTemplateMapper.selectById(couponCardTemplateUpdateDTO.getId());
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if (template == null) {
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throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_TEMPLATE_NOT_EXISTS.getCode());
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}
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// 校验 CouponCardTemplate 是 CARD
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if (!CouponTemplateTypeEnum.CARD.getValue().equals(template.getType())) {
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throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_TEMPLATE_NOT_CARD.getCode());
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}
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// 校验发放数量不能减少
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if (couponCardTemplateUpdateDTO.getTotal() < template.getTotal()) {
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throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_TEMPLATE_TOTAL_CAN_NOT_REDUCE.getCode());
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}
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// 更新优惠劵模板到数据库
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CouponTemplateDO updateTemplateDO = CouponTemplateConvert.INSTANCE.convert(couponCardTemplateUpdateDTO);
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couponTemplateMapper.update(updateTemplateDO);
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// 返回成功
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return true;
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}
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@Override
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public Boolean updateCouponTemplateStatus(Integer adminId, Integer couponTemplateId, Integer status) {
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// 校验 CouponCardTemplate 存在
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CouponTemplateDO template = couponTemplateMapper.selectById(couponTemplateId);
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if (template == null) {
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throw ServiceExceptionUtil.exception(PromotionErrorCodeEnum.COUPON_TEMPLATE_NOT_EXISTS.getCode());
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}
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// 更新到数据库
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CouponTemplateDO updateTemplateDO = new CouponTemplateDO().setId(couponTemplateId).setStatus(status);
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couponTemplateMapper.update(updateTemplateDO);
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// 返回成功
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return true;
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}
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private Boolean checkCouponTemplateDateType(Integer dateType, Date validStartTime, Date validEndTime, Integer fixedBeginTerm, Integer fixedEndTerm) {
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if (CouponTemplateDateTypeEnum.FIXED_DATE.getValue().equals(dateType)) { // 固定日期
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if (validStartTime == null) {
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throw ServiceExceptionUtil.exception(SysErrorCodeEnum.VALIDATION_REQUEST_PARAM_ERROR.getCode(), "生效开始时间不能为空");
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}
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if (validEndTime == null) {
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throw ServiceExceptionUtil.exception(SysErrorCodeEnum.VALIDATION_REQUEST_PARAM_ERROR.getCode(), "生效结束时间不能为空");
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}
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if (validStartTime.after(validEndTime)) {
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throw ServiceExceptionUtil.exception(SysErrorCodeEnum.VALIDATION_REQUEST_PARAM_ERROR.getCode(), "生效开始时间不能大于生效结束时间");
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}
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} else if (CouponTemplateDateTypeEnum.FIXED_TERM.getValue().equals(dateType)) { // 领取日期
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if (fixedBeginTerm == null) {
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throw ServiceExceptionUtil.exception(SysErrorCodeEnum.VALIDATION_REQUEST_PARAM_ERROR.getCode(), "领取日期开始时间不能为空");
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}
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if (fixedEndTerm == null) {
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throw ServiceExceptionUtil.exception(SysErrorCodeEnum.VALIDATION_REQUEST_PARAM_ERROR.getCode(), "领取日期结束时间不能为空");
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}
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} else {
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throw new IllegalArgumentException("未知的生效日期类型：" + dateType);
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}
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return true;
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}
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private Boolean checkCouponTemplatePreferentialType(Integer preferentialType, Integer percentOff,
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Integer priceOff, Integer priceAvailable) {
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if (PreferentialTypeEnum.PRICE.getValue().equals(preferentialType)) {
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if (priceOff == null) {
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throw ServiceExceptionUtil.exception(SysErrorCodeEnum.VALIDATION_REQUEST_PARAM_ERROR.getCode(), "优惠金额不能为空");
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}
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if (priceOff >= priceAvailable) {
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throw ServiceExceptionUtil.exception(SysErrorCodeEnum.VALIDATION_REQUEST_PARAM_ERROR.getCode(), "优惠金额不能d大于等于使用金额门槛");
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}
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} else if (PreferentialTypeEnum.DISCOUNT.getValue().equals(preferentialType)) {
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if (percentOff == null) {
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throw ServiceExceptionUtil.exception(SysErrorCodeEnum.VALIDATION_REQUEST_PARAM_ERROR.getCode(), "折扣百分比不能为空");
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}
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} else {
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throw new IllegalArgumentException("未知的优惠类型：" + preferentialType);
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}
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return true;
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}
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}
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