diff --git a/归档/promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/PromotionServiceApplication.java b/归档/promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/PromotionServiceApplication.java deleted file mode 100644 index 0a460a932..000000000 --- a/归档/promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/PromotionServiceApplication.java +++ /dev/null @@ -1,18 +0,0 @@ -package cn.iocoder.mall.promotionservice; - - -import org.springframework.boot.SpringApplication; -import org.springframework.boot.autoconfigure.SpringBootApplication; -import org.springframework.cloud.client.discovery.EnableDiscoveryClient; -import org.springframework.cloud.openfeign.EnableFeignClients; - -@SpringBootApplication -@EnableDiscoveryClient -@EnableFeignClients(basePackages = {"cn.iocoder.mall.productservice.rpc"}) -public class PromotionServiceApplication { - - public static void main(String[] args) { - SpringApplication.run(PromotionServiceApplication.class, args); - } - -} diff --git a/归档/promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/dal/mysql/dataobject/coupon/CouponCardDO.java b/归档/promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/dal/mysql/dataobject/coupon/CouponCardDO.java deleted file mode 100644 index 1d6a94517..000000000 --- a/归档/promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/dal/mysql/dataobject/coupon/CouponCardDO.java +++ /dev/null @@ -1,123 +0,0 @@ -package cn.iocoder.mall.promotionservice.dal.mysql.dataobject.coupon; - -import cn.iocoder.mall.mybatis.core.dataobject.BaseDO; -import com.baomidou.mybatisplus.annotation.TableName; -import lombok.Data; -import lombok.EqualsAndHashCode; -import lombok.experimental.Accessors; - -import java.util.Date; - -/** - * 优惠劵 DO - */ -@TableName("coupon_card") -@Data -@EqualsAndHashCode(callSuper = true) -@Accessors(chain = true) -public class CouponCardDO extends BaseDO { - - // ========== 基本信息 BEGIN ========== - /** - * 优惠劵编号 - */ - private Integer id; - /** - * 优惠劵（码）分组编号，{@link CouponTemplateDO} 的 id - */ - private Integer templateId; - /** - * 优惠劵名 - * - * 冗余自 {@link CouponTemplateDO} 的 title - * - * TODO 芋艿，暂时不考虑冗余的更新 - */ - private String title; -// /** -// * 核销码 -// */ -// private String verifyCode; - /** - * 优惠码状态 - * - * 1-未使用 - * 2-已使用 - * 3-已失效 - */ - private Integer status; - - // ========== 基本信息 END ========== - - // ========== 领取情况 BEGIN ========== - /** - * 用户编号 - */ - private Integer userId; - /** - * 领取类型 - * - * 1 - 用户主动领取 - * 2 - 后台自动发放 - */ - private Integer takeType; - // ========== 领取情况 END ========== - - // ========== 使用规则 BEGIN ========== - /** - * 是否设置满多少金额可用，单位：分 - */ - private Integer priceAvailable; - /** - * 生效开始时间 - */ - private Date validStartTime; - /** - * 生效结束时间 - */ - private Date validEndTime; - // ========== 使用规则 END ========== - - // ========== 使用效果 BEGIN ========== - /** - * 优惠类型 - * - * 1-代金卷 - * 2-折扣卷 - */ - private Integer preferentialType; - /** - * 折扣 - */ - private Integer percentOff; - /** - * 优惠金额，单位：分。 - */ - private Integer priceOff; - /** - * 折扣上限，仅在 {@link #preferentialType} 等于 2 时生效。 - * - * 例如，折扣上限为 20 元，当使用 8 折优惠券，订单金额为 1000 元时，最高只可折扣 20 元，而非 80 元。 - */ - private Integer discountPriceLimit; - // ========== 使用效果 END ========== - - // ========== 使用情况 BEGIN ========== -// /** -// * 使用订单号 -// */ -// private Integer usedOrderId; // TODO 芋艿，暂时不考虑这个字段 -// /** -// * 订单中优惠面值，单位：分 -// */ -// private Integer usedPrice; // TODO 芋艿，暂时不考虑这个字段 - /** - * 使用时间 - */ - private Date usedTime; - - // TODO 芋艿，后续要加优惠劵的使用日志，因为下单后，可能会取消。 - - // ========== 使用情况 END ========== - -} diff --git a/归档/promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/manager/price/PriceManager.java b/归档/promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/manager/price/PriceManager.java deleted file mode 100644 index 807c5ff01..000000000 --- a/归档/promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/manager/price/PriceManager.java +++ /dev/null @@ -1,336 +0,0 @@ -package cn.iocoder.mall.promotionservice.manager.price; - -import cn.iocoder.common.framework.exception.util.ServiceExceptionUtil; -import cn.iocoder.common.framework.util.CollectionUtils; -import cn.iocoder.common.framework.vo.CommonResult; -import cn.iocoder.mall.productservice.rpc.sku.ProductSkuFeign; -import cn.iocoder.mall.productservice.rpc.sku.dto.ProductSkuListQueryReqDTO; -import cn.iocoder.mall.productservice.rpc.sku.dto.ProductSkuRespDTO; -import cn.iocoder.mall.productservice.rpc.spu.ProductSpuFeign; -import cn.iocoder.mall.productservice.rpc.spu.dto.ProductSpuRespDTO; -import cn.iocoder.mall.promotion.api.enums.MeetTypeEnum; -import cn.iocoder.mall.promotion.api.enums.PreferentialTypeEnum; -import cn.iocoder.mall.promotion.api.enums.RangeTypeEnum; -import cn.iocoder.mall.promotion.api.enums.activity.PromotionActivityStatusEnum; -import cn.iocoder.mall.promotion.api.enums.activity.PromotionActivityTypeEnum; -import cn.iocoder.mall.promotion.api.rpc.activity.dto.PromotionActivityRespDTO; -import cn.iocoder.mall.promotion.api.rpc.coupon.dto.card.CouponCardRespDTO; -import cn.iocoder.mall.promotion.api.rpc.coupon.dto.template.CouponTemplateRespDTO; -import cn.iocoder.mall.promotion.api.rpc.price.dto.PriceProductCalcReqDTO; -import cn.iocoder.mall.promotion.api.rpc.price.dto.PriceProductCalcRespDTO; -import cn.iocoder.mall.promotionservice.service.activity.PromotionActivityService; -import cn.iocoder.mall.promotionservice.service.coupon.CouponCardService; -import cn.iocoder.mall.promotionservice.service.coupon.CouponTemplateService; -import org.springframework.beans.factory.annotation.Autowired; -import org.springframework.stereotype.Service; -import org.springframework.util.Assert; -import org.springframework.validation.annotation.Validated; - -import java.util.*; -import java.util.stream.Collectors; - -import static cn.iocoder.mall.promotion.api.enums.PromotionErrorCodeConstants.*; - -@Service -@Validated -public class PriceManager { - - @Autowired - private ProductSkuFeign productSkuFeign; - @Autowired - private ProductSpuFeign productSpuFeign; - - @Autowired - private PromotionActivityService promotionActivityService; - @Autowired - private CouponCardService couponCardService; - @Autowired - private CouponTemplateService couponTemplateService; - - public PriceProductCalcRespDTO calcProductPrice(PriceProductCalcReqDTO calcReqDTO) { - // 拼装结果（主要是计算价格） - PriceProductCalcRespDTO calcRespDTO = new PriceProductCalcRespDTO(); - - List activityRespDTOs = promotionActivityService.listPromotionActivitiesBySpuIds( - CollectionUtils.convertSet(listProductSkusResult.getData(), ProductSkuRespDTO::getSpuId), - Collections.singleton(PromotionActivityStatusEnum.RUN.getValue())); - // 2. 计算【限时折扣】促销 - this.modifyPriceByTimeLimitDiscount(calcItemRespDTOs, activityRespDTOs); - // 3. 计算【满减送】促销 - List itemGroups = this.groupByFullPrivilege(calcItemRespDTOs, activityRespDTOs); - calcRespDTO.setItemGroups(itemGroups); - // 4. 计算优惠劵 TODO 芋艿：未详细测试； - if (calcReqDTO.getCouponCardId() != null) { - Integer result = this.modifyPriceByCouponCard(calcReqDTO.getUserId(), calcReqDTO.getCouponCardId(), itemGroups); - calcRespDTO.setCouponCardDiscountTotal(result); - } - // 5. 计算最终的价格 - int buyTotal = 0; - int discountTotal = 0; - int presentTotal = 0; - for (PriceProductCalcRespDTO.ItemGroup itemGroup : calcRespDTO.getItemGroups()) { - buyTotal += itemGroup.getItems().stream().mapToInt(item -> item.getSelected() ? item.getBuyTotal() : 0).sum(); - discountTotal += itemGroup.getItems().stream().mapToInt(item -> item.getSelected() ? item.getDiscountTotal() : 0).sum(); - presentTotal += itemGroup.getItems().stream().mapToInt(item -> item.getSelected() ? item.getPresentTotal() : 0).sum(); - } - Assert.isTrue(buyTotal - discountTotal == presentTotal, - String.format("价格合计( %d - %d == %d )不正确", buyTotal, discountTotal, presentTotal)); - calcRespDTO.setFee(new PriceProductCalcRespDTO.Fee(buyTotal, discountTotal, 0, presentTotal)); - return calcRespDTO; - } - - private void modifyPriceByTimeLimitDiscount(List items, List activityList) { - for (PriceProductCalcRespDTO.Item item : items) { - // 获得符合条件的限时折扣 - PromotionActivityRespDTO timeLimitedDiscount = activityList.stream() - .filter(activity -> PromotionActivityTypeEnum.TIME_LIMITED_DISCOUNT.getValue().equals(activity.getActivityType()) - && activity.getTimeLimitedDiscount().getItems().stream().anyMatch(item0 -> item0.getSpuId().equals(item.getSpuId()))) - .findFirst().orElse(null); - if (timeLimitedDiscount == null) { - continue; - } - // 计算价格 - Integer newBuyPrice = calcSkuPriceByTimeLimitDiscount(item, timeLimitedDiscount); - if (newBuyPrice.equals(item.getBuyPrice())) { // 未优惠 - continue; - } - // 设置优惠 - item.setActivityId(timeLimitedDiscount.getId()); - // 设置价格 - item.setBuyPrice(newBuyPrice); - item.setBuyTotal(newBuyPrice * item.getBuyQuantity()); - item.setPresentTotal(item.getBuyTotal() - item.getDiscountTotal()); - item.setPresentPrice(item.getPresentTotal() / item.getBuyQuantity()); - } - } - - /** - * 计算指定 SKU 在限时折扣下的价格 - * - * @param sku SKU - * @param timeLimitedDiscount 限时折扣促销。 - * 传入的该活动，要保证该 SKU 在该促销下一定有优惠。 - * @return 计算后的价格 - */ - private Integer calcSkuPriceByTimeLimitDiscount(PriceProductCalcRespDTO.Item sku, PromotionActivityRespDTO timeLimitedDiscount) { - if (timeLimitedDiscount == null) { - return sku.getBuyPrice(); - } - // 获得对应的优惠项 - PromotionActivityRespDTO.TimeLimitedDiscount.Item item = timeLimitedDiscount.getTimeLimitedDiscount().getItems().stream() - .filter(item0 -> item0.getSpuId().equals(sku.getSpuId())) - .findFirst().orElse(null); - if (item == null) { - throw new IllegalArgumentException(String.format("折扣活动(%s) 不存在商品(%s) 的优惠配置", - timeLimitedDiscount.toString(), sku.toString())); - } - // 计算价格 - if (PreferentialTypeEnum.PRICE.getValue().equals(item.getPreferentialType())) { // 减价 - int presentPrice = sku.getBuyPrice() - item.getPreferentialValue(); - return presentPrice >= 0 ? presentPrice : sku.getBuyPrice(); // 如果计算优惠价格小于 0 ，则说明无法使用优惠。 - } - if (PreferentialTypeEnum.DISCOUNT.getValue().equals(item.getPreferentialType())) { // 打折 - return sku.getBuyPrice() * item.getPreferentialValue() / 100; - } - throw new IllegalArgumentException(String.format("折扣活动(%s) 的优惠类型不正确", timeLimitedDiscount.toString())); - } - - private List groupByFullPrivilege(List items, List activityList) { - List itemGroups = new ArrayList<>(); - // 获得所有满减送促销 - List fullPrivileges = activityList.stream() - .filter(activity -> PromotionActivityTypeEnum.FULL_PRIVILEGE.getValue().equals(activity.getActivityType())) - .collect(Collectors.toList()); - // 基于满减送促销，进行分组 - if (!fullPrivileges.isEmpty()) { - items = new ArrayList<>(items); // 因为下面会修改数组，进行浅拷贝，避免影响传入的 items 。 - for (PromotionActivityRespDTO fullPrivilege : fullPrivileges) { - // 创建 fullPrivilege 对应的分组 - PriceProductCalcRespDTO.ItemGroup itemGroup = new PriceProductCalcRespDTO.ItemGroup() - .setActivityId(fullPrivilege.getId()) - .setItems(new ArrayList<>()); - // 筛选商品到分组中 - for (Iterator iterator = items.iterator(); iterator.hasNext(); ) { - PriceProductCalcRespDTO.Item item = iterator.next(); - if (!isSpuMatchFullPrivilege(item.getSpuId(), fullPrivilege)) { - continue; - } - itemGroup.getItems().add(item); - iterator.remove(); - } - // 如果匹配到，则添加到 itemGroups 中 - if (!itemGroup.getItems().isEmpty()) { - itemGroups.add(itemGroup); - } - } - } - // 处理未参加活动的商品，形成一个分组 - if (!items.isEmpty()) { - itemGroups.add(new PriceProductCalcRespDTO.ItemGroup().setItems(items)); - } - // 计算每个分组的价格 - Map activityMap = CollectionUtils.convertMap(activityList, PromotionActivityRespDTO::getId); - for (PriceProductCalcRespDTO.ItemGroup itemGroup : itemGroups) { - itemGroup.setActivityDiscountTotal(calcSkuPriceByFullPrivilege(itemGroup, activityMap.get(itemGroup.getActivityId()))); - } - // 返回结果 - return itemGroups; - } - - private boolean isSpuMatchFullPrivilege(Integer spuId, PromotionActivityRespDTO activity) { - Assert.isTrue(PromotionActivityTypeEnum.FULL_PRIVILEGE.getValue().equals(activity.getActivityType()), - "传入的必须的促销活动必须是满减送"); - PromotionActivityRespDTO.FullPrivilege fullPrivilege = activity.getFullPrivilege(); - if (RangeTypeEnum.ALL.getValue().equals(fullPrivilege.getRangeType())) { - return true; - } else if (RangeTypeEnum.PRODUCT_INCLUDE_PART.getValue().equals(fullPrivilege.getRangeType())) { - return fullPrivilege.getRangeValues().contains(spuId); - } - throw new IllegalArgumentException(String.format("促销活动(%s) 可用范围的类型是不正确", activity.toString())); - } - - private Integer calcSkuPriceByFullPrivilege(PriceProductCalcRespDTO.ItemGroup itemGroup, PromotionActivityRespDTO activity) { - if (itemGroup.getActivityId() == null) { - return null; - } - Assert.isTrue(PromotionActivityTypeEnum.FULL_PRIVILEGE.getValue().equals(activity.getActivityType()), - "传入的必须的满减送活动必须是满减送"); - // 获得优惠信息 - List items = itemGroup.getItems().stream().filter(PriceProductCalcRespDTO.Item::getSelected) - .collect(Collectors.toList()); - Integer itemCnt = items.stream().mapToInt(PriceProductCalcRespDTO.Item::getBuyQuantity).sum(); - Integer originalTotal = items.stream().mapToInt(PriceProductCalcRespDTO.Item::getPresentTotal).sum(); - List privileges = activity.getFullPrivilege().getPrivileges().stream() - .filter(privilege -> { - if (MeetTypeEnum.PRICE.getValue().equals(privilege.getMeetType())) { - return originalTotal >= privilege.getMeetValue(); - } - if (MeetTypeEnum.QUANTITY.getValue().equals(privilege.getMeetType())) { - return itemCnt >= privilege.getMeetValue(); - } - throw new IllegalArgumentException(String.format("满减送活动(%s) 的匹配(%s)不正确", - activity.toString(), privilege.toString())); - }).collect(Collectors.toList()); - // 获得不到优惠信息，返回原始价格 - if (privileges.isEmpty()) { - return null; - } - // 获得到优惠信息，进行价格计算 - PromotionActivityRespDTO.FullPrivilege.Privilege privilege = privileges.get(privileges.size() - 1); - Integer presentTotal; - if (PreferentialTypeEnum.PRICE.getValue().equals(privilege.getPreferentialType())) { // 减价 - // 计算循环次数。这样，后续优惠的金额就是相乘了 - Integer cycleCount = 1; - if (activity.getFullPrivilege().getCycled()) { - if (MeetTypeEnum.PRICE.getValue().equals(privilege.getMeetType())) { - cycleCount = originalTotal / privilege.getMeetValue(); - } else if (MeetTypeEnum.QUANTITY.getValue().equals(privilege.getMeetType())) { - cycleCount = itemCnt / privilege.getMeetValue(); - } - } - presentTotal = originalTotal - cycleCount * privilege.getMeetValue(); - if (presentTotal < 0) { // 如果计算优惠价格小于 0 ，则说明无法使用优惠。 - presentTotal = originalTotal; - } - } else if (PreferentialTypeEnum.DISCOUNT.getValue().equals(privilege.getPreferentialType())) { // 打折 - presentTotal = originalTotal * privilege.getPreferentialValue() / 100; - } else { - throw new IllegalArgumentException(String.format("满减送促销(%s) 的优惠类型不正确", activity.toString())); - } - int discountTotal = originalTotal - presentTotal; - if (discountTotal == 0) { - return null; - } - // 按比例，拆分 presentTotal - splitDiscountPriceToItems(items, discountTotal, presentTotal); - // 返回优惠金额 - return originalTotal - presentTotal; - } - - private Integer modifyPriceByCouponCard(Integer userId, Integer couponCardId, List itemGroups) { - Assert.isTrue(couponCardId != null, "优惠劵编号不能为空"); - // 查询优惠劵 - CouponCardRespDTO couponCard = couponCardService.getCouponCard(userId, couponCardId); - if (couponCard == null) { - throw ServiceExceptionUtil.exception(COUPON_CARD_NOT_EXISTS); - } - CouponTemplateRespDTO couponTemplate = couponTemplateService.getCouponTemplate(couponCardId); - if (couponTemplate == null) { - throw ServiceExceptionUtil.exception(COUPON_TEMPLATE_NOT_EXISTS); - } - // 获得匹配的商品 - List items = new ArrayList<>(); - if (RangeTypeEnum.ALL.getValue().equals(couponTemplate.getRangeType())) { - itemGroups.forEach(itemGroup -> items.addAll(itemGroup.getItems())); - } else if (RangeTypeEnum.PRODUCT_INCLUDE_PART.getValue().equals(couponTemplate.getRangeType())) { - itemGroups.forEach(itemGroup -> items.forEach(item -> { - if (couponTemplate.getRangeValues().contains(item.getSpuId())) { - items.add(item); - } - })); - } else if (RangeTypeEnum.PRODUCT_EXCLUDE_PART.getValue().equals(couponTemplate.getRangeType())) { - itemGroups.forEach(itemGroup -> items.forEach(item -> { - if (!couponTemplate.getRangeValues().contains(item.getSpuId())) { - items.add(item); - } - })); - } else if (RangeTypeEnum.CATEGORY_INCLUDE_PART.getValue().equals(couponTemplate.getRangeType())) { - itemGroups.forEach(itemGroup -> items.forEach(item -> { - if (couponTemplate.getRangeValues().contains(item.getCid())) { - items.add(item); - } - })); - } else if (RangeTypeEnum.CATEGORY_EXCLUDE_PART.getValue().equals(couponTemplate.getRangeType())) { - itemGroups.forEach(itemGroup -> items.forEach(item -> { - if (!couponTemplate.getRangeValues().contains(item.getCid())) { - items.add(item); - } - })); - } - // 判断是否符合条件 - int originalTotal = items.stream().mapToInt(PriceProductCalcRespDTO.Item::getPresentTotal).sum(); // 此处，指的是以优惠劵视角的原价 - if (originalTotal == 0 || originalTotal < couponCard.getPriceAvailable()) { - throw ServiceExceptionUtil.exception(COUPON_CARD_NOT_MATCH); // TODO 芋艿，这种情况，会出现错误码的提示，无法格式化出来。另外，这块的最佳实践，找人讨论下。 - } - // 计算价格 - // 获得到优惠信息，进行价格计算 - int presentTotal; - if (PreferentialTypeEnum.PRICE.getValue().equals(couponCard.getPreferentialType())) { // 减价 - // 计算循环次数。这样，后续优惠的金额就是相乘了 - presentTotal = originalTotal - couponCard.getPriceOff(); - Assert.isTrue(presentTotal > 0, "计算后，价格为负数：" + presentTotal); - } else if (PreferentialTypeEnum.DISCOUNT.getValue().equals(couponCard.getPreferentialType())) { // 打折 - presentTotal = originalTotal * couponCard.getPercentOff() / 100; - if (couponCard.getDiscountPriceLimit() != null // 空，代表不限制优惠上限 - && originalTotal - presentTotal > couponCard.getDiscountPriceLimit()) { - presentTotal = originalTotal - couponCard.getDiscountPriceLimit(); - } - } else { - throw new IllegalArgumentException(String.format("优惠劵(%s) 的优惠类型不正确", couponCard.toString())); - } - int discountTotal = originalTotal - presentTotal; - Assert.isTrue(discountTotal > 0, "计算后，不产生优惠：" + discountTotal); - // 按比例，拆分 presentTotal - splitDiscountPriceToItems(items, discountTotal, presentTotal); - // 返回优惠金额 - return originalTotal - presentTotal; - } - - private void splitDiscountPriceToItems(List items, Integer discountTotal, Integer presentTotal) { - for (int i = 0; i < items.size(); i++) { - PriceProductCalcRespDTO.Item item = items.get(i); - Integer discountPart; - if (i < items.size() - 1) { // 减一的原因，是因为拆分时，如果按照比例，可能会出现.所以最后一个，使用反减 - discountPart = (int) (discountTotal * (1.0D * item.getPresentTotal() / presentTotal)); - discountTotal -= discountPart; - } else { - discountPart = discountTotal; - } - Assert.isTrue(discountPart > 0, "优惠金额必须大于 0"); - item.setDiscountTotal(item.getDiscountTotal() + discountPart); - item.setPresentTotal(item.getBuyTotal() - item.getDiscountTotal()); - item.setPresentPrice(item.getPresentTotal() / item.getBuyQuantity()); - } - } - -} diff --git a/归档/promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/service/banner/BannerService.java b/归档/promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/service/banner/BannerService.java deleted file mode 100644 index cec3bac3d..000000000 --- a/归档/promotion-service-project/promotion-service-app/src/main/java/cn/iocoder/mall/promotionservice/service/banner/BannerService.java +++ /dev/null @@ -1,92 +0,0 @@ -package cn.iocoder.mall.promotionservice.service.banner; - -import cn.iocoder.common.framework.exception.util.ServiceExceptionUtil; -import cn.iocoder.common.framework.vo.PageResult; -import cn.iocoder.mall.promotion.api.rpc.banner.dto.*; -import cn.iocoder.mall.promotionservice.convert.banner.BannerConvert; -import cn.iocoder.mall.promotionservice.dal.mysql.dataobject.banner.BannerDO; -import cn.iocoder.mall.promotionservice.dal.mysql.mapper.banner.BannerMapper; -import com.baomidou.mybatisplus.core.metadata.IPage; -import org.springframework.beans.factory.annotation.Autowired; -import org.springframework.stereotype.Service; -import org.springframework.validation.annotation.Validated; - -import javax.validation.Valid; -import java.util.List; - -import static cn.iocoder.mall.promotion.api.enums.PromotionErrorCodeConstants.BANNER_NOT_EXISTS; - - -@Service -@Validated -public class BannerService { - - @Autowired - private BannerMapper bannerMapper; - - /** - * 获得 Banner 列表 - * - * @param listReqDTO Banner 列表查询 - * @return Banner 列表 - */ - public List listBanners(BannerListReqDTO listReqDTO) { - List banners = bannerMapper.selectList(listReqDTO); - return BannerConvert.INSTANCE.convertList(banners); - } - - /** - * 获得 Banner 分页 - * - * @param bannerPageDTO Banner 分页查询 - * @return Banner 分页结果 - */ - public PageResult pageBanner(BannerPageReqDTO bannerPageDTO) { - IPage bannerPage = bannerMapper.selectPage(bannerPageDTO); - return BannerConvert.INSTANCE.convertPage(bannerPage); - } - - /** - * 创建 Banner - * - * @param createReqDTO 创建 Banner 信息 - * @return banner - */ - public Integer createBanner(@Valid BannerCreateReqDTO createReqDTO) { - // 插入到数据库 - BannerDO bannerDO = BannerConvert.INSTANCE.convert(createReqDTO); - bannerMapper.insert(bannerDO); - // 返回 - return bannerDO.getId(); - } - - /** - * 更新 Banner - * - * @param updateReqDTO 更新 Banner 信息 - */ - public void updateBanner(@Valid BannerUpdateReqDTO updateReqDTO) { - // 校验更新的 Banner 是否存在 - if (bannerMapper.selectById(updateReqDTO.getId()) == null) { - throw ServiceExceptionUtil.exception(BANNER_NOT_EXISTS); - } - // 更新到数据库 - BannerDO updateObject = BannerConvert.INSTANCE.convert(updateReqDTO); - bannerMapper.updateById(updateObject); - } - - /** - * 删除 Banner - * - * @param bannerId Banner 编号 - */ - public void deleteBanner(Integer bannerId) { - // 校验 Banner 存在 - if (bannerMapper.selectById(bannerId) == null) { - throw ServiceExceptionUtil.exception(BANNER_NOT_EXISTS); - } - // 更新到数据库 - bannerMapper.deleteById(bannerId); - } - -}