package cn.iocoder.yudao.module.promotion.service.coupon;
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import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
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import cn.iocoder.yudao.framework.common.pojo.PageResult;
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import cn.iocoder.yudao.module.product.api.category.ProductCategoryApi;
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import cn.iocoder.yudao.module.product.api.spu.ProductSpuApi;
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import cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo.template.CouponTemplateCreateReqVO;
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import cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo.template.CouponTemplatePageReqVO;
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import cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo.template.CouponTemplateUpdateReqVO;
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import cn.iocoder.yudao.module.promotion.convert.coupon.CouponTemplateConvert;
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import cn.iocoder.yudao.module.promotion.dal.dataobject.coupon.CouponTemplateDO;
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import cn.iocoder.yudao.module.promotion.dal.mysql.coupon.CouponTemplateMapper;
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import cn.iocoder.yudao.module.promotion.enums.common.PromotionProductScopeEnum;
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import cn.iocoder.yudao.module.promotion.enums.coupon.CouponTakeTypeEnum;
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import jakarta.annotation.Resource;
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import org.springframework.stereotype.Service;
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import org.springframework.validation.annotation.Validated;
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import java.util.Collection;
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import java.util.List;
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import java.util.Objects;
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import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
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import static cn.iocoder.yudao.module.promotion.enums.ErrorCodeConstants.*;
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/**
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* 优惠劵模板 Service 实现类
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*
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* @author 芋道源码
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*/
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@Service
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@Validated
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public class CouponTemplateServiceImpl implements CouponTemplateService {
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@Resource
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private CouponTemplateMapper couponTemplateMapper;
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@Resource
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private ProductCategoryApi productCategoryApi;
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@Resource
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private ProductSpuApi productSpuApi;
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@Override
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public boolean isTakeLimitCountUnlimited(Integer takeLimitCount) {
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return CouponTemplateDO.TAKE_LIMIT_COUNT_MAX.equals(takeLimitCount);
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}
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@Override
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public boolean isTotalCountUnlimited(Integer totalCount) {
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return CouponTemplateDO.TOTAL_COUNT_MAX.equals(totalCount);
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}
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@Override
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public Long createCouponTemplate(CouponTemplateCreateReqVO createReqVO) {
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// 校验发放数量不能小于每人限领数量（仅在 CouponTakeTypeEnum.USER 用户领取时）
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validateTotalCountNotLessThanTakeLimitCount(createReqVO.getTakeType(), createReqVO.getTotalCount(),
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createReqVO.getTakeLimitCount());
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// 校验商品范围
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validateProductScope(createReqVO.getProductScope(), createReqVO.getProductScopeValues());
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// 插入
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CouponTemplateDO couponTemplate = CouponTemplateConvert.INSTANCE.convert(createReqVO)
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.setStatus(CommonStatusEnum.ENABLE.getStatus());
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couponTemplateMapper.insert(couponTemplate);
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// 返回
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return couponTemplate.getId();
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}
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@Override
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public void updateCouponTemplate(CouponTemplateUpdateReqVO updateReqVO) {
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// 校验存在
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CouponTemplateDO couponTemplate = validateCouponTemplateExists(updateReqVO.getId());
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// 校验发放数量不能小于每人限领数量（仅在 CouponTakeTypeEnum.USER 用户领取时）
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validateTotalCountNotLessThanTakeLimitCount(updateReqVO.getTakeType(), updateReqVO.getTotalCount(),
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updateReqVO.getTakeLimitCount());
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// 校验发放数量不能过小（仅在 CouponTakeTypeEnum.USER 用户领取时）
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if (CouponTakeTypeEnum.isUser(updateReqVO.getTakeType())
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&& !isTotalCountUnlimited(updateReqVO.getTotalCount()) // 非不限制总发放数量
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&& updateReqVO.getTotalCount() < couponTemplate.getTakeCount()) {
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throw exception(COUPON_TEMPLATE_TOTAL_COUNT_TOO_SMALL, couponTemplate.getTakeCount());
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}
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// 校验商品范围
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validateProductScope(updateReqVO.getProductScope(), updateReqVO.getProductScopeValues());
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// 更新
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CouponTemplateDO updateObj = CouponTemplateConvert.INSTANCE.convert(updateReqVO);
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couponTemplateMapper.updateById(updateObj);
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}
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@Override
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public void updateCouponTemplateStatus(Long id, Integer status) {
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// 校验存在
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validateCouponTemplateExists(id);
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// 更新
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couponTemplateMapper.updateById(new CouponTemplateDO().setId(id).setStatus(status));
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}
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@Override
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public void deleteCouponTemplate(Long id) {
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// 校验存在
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validateCouponTemplateExists(id);
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// 删除
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couponTemplateMapper.deleteById(id);
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}
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private CouponTemplateDO validateCouponTemplateExists(Long id) {
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CouponTemplateDO couponTemplate = couponTemplateMapper.selectById(id);
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if (couponTemplate == null) {
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throw exception(COUPON_TEMPLATE_NOT_EXISTS);
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}
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return couponTemplate;
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}
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private void validateTotalCountNotLessThanTakeLimitCount(Integer takeType, Integer totalCount, Integer takeLimitCount) {
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// 修复 https://gitee.com/yudaocode/yudao-mall-uniapp/issues/IJLP6Q 反馈
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if (CouponTakeTypeEnum.isUser(takeType)
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&& !isTakeLimitCountUnlimited(takeLimitCount)
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&& !isTotalCountUnlimited(totalCount)
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&& takeLimitCount > totalCount) {
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throw exception(COUPON_TEMPLATE_NOT_ENOUGH);
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}
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}
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private void validateProductScope(Integer productScope, List<Long> productScopeValues) {
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if (Objects.equals(PromotionProductScopeEnum.SPU.getScope(), productScope)) {
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productSpuApi.validateSpuList(productScopeValues);
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} else if (Objects.equals(PromotionProductScopeEnum.CATEGORY.getScope(), productScope)) {
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productCategoryApi.validateCategoryList(productScopeValues);
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}
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}
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@Override
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public CouponTemplateDO getCouponTemplate(Long id) {
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return couponTemplateMapper.selectById(id);
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}
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@Override
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public PageResult<CouponTemplateDO> getCouponTemplatePage(CouponTemplatePageReqVO pageReqVO) {
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return couponTemplateMapper.selectPage(pageReqVO);
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}
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@Override
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public void updateCouponTemplateTakeCount(Long id, int incrCount) {
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int updateCount = couponTemplateMapper.updateTakeCount(id, incrCount);
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if (updateCount == 0) {
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throw exception(COUPON_TEMPLATE_NOT_ENOUGH);
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}
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}
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@Override
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public List<CouponTemplateDO> getCouponTemplateListByTakeType(CouponTakeTypeEnum takeType) {
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return couponTemplateMapper.selectListByTakeType(takeType.getType());
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}
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@Override
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public List<CouponTemplateDO> getCouponTemplateList(List<Integer> canTakeTypes, Integer productScope,
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Long productScopeValue, Integer count) {
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return couponTemplateMapper.selectList(canTakeTypes, productScope, productScopeValue, count);
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}
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@Override
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public List<CouponTemplateDO> getCouponTemplateList(Collection<Long> ids) {
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return couponTemplateMapper.selectByIds(ids);
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}
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}
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