前端:订单确认页,接入优惠劵列表(不包括计算)

后端:增加优惠劵的计算逻辑
This commit is contained in:
YunaiV 2019-04-19 22:51:19 +08:00
parent ea4593adbc
commit cb07eb3f71
12 changed files with 339 additions and 33 deletions

View File

@ -124,8 +124,9 @@
};
},
methods: {
onCouponChange(a, b, c) {
debugger;
onCouponChange(index) {
this.chosenCoupon = index;
this.showCouponPopup = false;
},
onCouponExchange(a, b, c) {
Dialog.alert({
@ -204,7 +205,7 @@
endAt: card.validEndTime / 1000,
// description: '',
reason: card.unavailableReason,
value: card.preferentialType === 1 ? card.priceOff : card.percentOff,
value: 0, // TODO
valueDesc: card.preferentialType === 1 ? card.priceOff / 100 : card.percentOff / 10.0,
unitDesc: card.preferentialType === 1 ? '元' : '折'
})

View File

@ -96,7 +96,7 @@ public class UsersCartController {
return CommonResult.success(result);
}
// 计算商品价格
CommonResult<CalcOrderPriceBO> calcOrderPriceResult = list0(cartItems);
CommonResult<CalcOrderPriceBO> calcOrderPriceResult = list0(cartItems, null);
if (calcOrderPriceResult.isError()) {
return CommonResult.error(calcOrderPriceResult);
}
@ -105,7 +105,7 @@ public class UsersCartController {
}
@GetMapping("/confirm_create_order")
public CommonResult<UsersOrderConfirmCreateVO> getConfirmCreateOrder() {
public CommonResult<UsersOrderConfirmCreateVO> getConfirmCreateOrder(@RequestParam("couponCardId") Integer couponCardId) {
Integer userId = UserSecurityContextHolder.getContext().getUserId();
// 获得购物车中选中的
List<CartItemBO> cartItems = cartService.list(userId, true).getData();
@ -117,7 +117,7 @@ public class UsersCartController {
return CommonResult.success(result);
}
// 计算商品价格
CommonResult<CalcOrderPriceBO> calcOrderPriceResult = list0(cartItems);
CommonResult<CalcOrderPriceBO> calcOrderPriceResult = list0(cartItems, couponCardId);
if (calcOrderPriceResult.isError()) {
return CommonResult.error(calcOrderPriceResult);
}
@ -130,10 +130,12 @@ public class UsersCartController {
.setCouponCards(couponCards));
}
private CommonResult<CalcOrderPriceBO> list0(List<CartItemBO> cartItems) {
private CommonResult<CalcOrderPriceBO> list0(List<CartItemBO> cartItems, Integer couponCardId) {
// 创建计算的 DTO
CalcOrderPriceDTO calcOrderPriceDTO = new CalcOrderPriceDTO()
.setItems(new ArrayList<>(cartItems.size()));
.setUserId(UserSecurityContextHolder.getContext().getUserId())
.setItems(new ArrayList<>(cartItems.size()))
.setCouponCardId(couponCardId);
for (CartItemBO item : cartItems) {
calcOrderPriceDTO.getItems().add(new CalcOrderPriceDTO.Item(item.getSkuId(), item.getQuantity(), item.getSelected()));
}

View File

@ -93,10 +93,13 @@ public class UsersOrderController {
@GetMapping("confirm_create_order")
@ApiOperation("确认创建订单")
public CommonResult<UsersOrderConfirmCreateVO> getConfirmCreateOrder(@RequestParam("skuId") Integer skuId,
@RequestParam("quantity") Integer quantity) {
@RequestParam("quantity") Integer quantity,
@RequestParam("couponCardId") Integer couponCardId) {
// 创建 CalcOrderPriceDTO 对象并执行价格计算
CalcOrderPriceDTO calcOrderPriceDTO = new CalcOrderPriceDTO()
.setItems(Collections.singletonList(new CalcOrderPriceDTO.Item(skuId, quantity, true)));
.setUserId(UserSecurityContextHolder.getContext().getUserId())
.setItems(Collections.singletonList(new CalcOrderPriceDTO.Item(skuId, quantity, true)))
.setCouponCardId(couponCardId);
CommonResult<CalcOrderPriceBO> calcOrderPriceResult = cartService.calcOrderPrice(calcOrderPriceDTO);
if (calcOrderPriceResult.isError()) {
return CommonResult.error(calcOrderPriceResult);

View File

@ -24,7 +24,6 @@ public class UsersOrderConfirmCreateVO {
* 优惠劵列表 TODO 芋艿后续改改
*/
private List<CouponCardAvailableBO> couponCards;
/**
* 商品分组
*

View File

@ -18,6 +18,17 @@ public class CalcOrderPriceBO {
* 商品分组数组
*/
private List<ItemGroup> itemGroups;
/**
* 优惠劵编号
*/
private Integer couponCardId;
/**
* 优惠劵减少的金额
*
* 1. 若未使用优惠劵返回 null
* 2. 该金额已经分摊到每个 Item discountTotal 需要注意
*/
private Integer couponCardDiscountTotal;
/**
* 邮费信息
*

View File

@ -3,6 +3,7 @@ package cn.iocoder.mall.order.api.dto;
import lombok.Data;
import lombok.experimental.Accessors;
import javax.validation.constraints.NotNull;
import java.util.List;
/**
@ -12,9 +13,13 @@ import java.util.List;
@Accessors(chain = true)
public class CalcOrderPriceDTO {
@NotNull(message = "用户编号不能为空")
private Integer userId;
/**
* 商品数组
* 优惠劵编号
*/
private Integer couponCardId;
@NotNull(message = "商品数组不能为空")
private List<Item> items;
@Data

View File

@ -16,7 +16,9 @@ import cn.iocoder.mall.order.biz.dataobject.CartItemDO;
import cn.iocoder.mall.product.api.ProductSpuService;
import cn.iocoder.mall.product.api.bo.ProductSkuBO;
import cn.iocoder.mall.product.api.bo.ProductSkuDetailBO;
import cn.iocoder.mall.promotion.api.CouponService;
import cn.iocoder.mall.promotion.api.PromotionActivityService;
import cn.iocoder.mall.promotion.api.bo.CouponCardDetailBO;
import cn.iocoder.mall.promotion.api.bo.PromotionActivityBO;
import cn.iocoder.mall.promotion.api.constant.*;
import com.alibaba.dubbo.config.annotation.Reference;
@ -38,6 +40,8 @@ public class CartServiceImpl implements CartService {
private ProductSpuService productSpuService;
@Reference(validation = "true")
private PromotionActivityService promotionActivityService;
@Reference(validation = "true")
private CouponService couponService;
@Autowired
private CartMapper cartMapper;
@ -152,6 +156,7 @@ public class CartServiceImpl implements CartService {
@Override
public CommonResult<CalcOrderPriceBO> calcOrderPrice(CalcOrderPriceDTO calcOrderPriceDTO) {
// TODO 芋艿补充一些表单校验例如说需要传入用户编号
// 校验商品都存在
Map<Integer, CalcOrderPriceDTO.Item> calcOrderItemMap = calcOrderPriceDTO.getItems().stream()
.collect(Collectors.toMap(CalcOrderPriceDTO.Item::getSkuId, item -> item)); // KEYskuId
@ -177,7 +182,15 @@ public class CartServiceImpl implements CartService {
// 3. 计算满减送促销
List<CalcOrderPriceBO.ItemGroup> itemGroups = groupByFullPrivilege(items, activityList);
calcOrderPriceBO.setItemGroups(itemGroups);
// 4. 计算最终的价格
// 4. 计算优惠劵
if (calcOrderPriceDTO.getCouponCardId() != null) {
CommonResult<Integer> result = modifyPriceByCouponCard(calcOrderPriceDTO.getUserId(), calcOrderPriceDTO.getCouponCardId(), itemGroups);
if (result.isError()) {
return CommonResult.error(result);
}
calcOrderPriceBO.setCouponCardDiscountTotal(result.getData());
}
// 5. 计算最终的价格
int buyTotal = 0;
int discountTotal = 0;
int presentTotal = 0;
@ -314,6 +327,72 @@ public class CartServiceImpl implements CartService {
return itemGroups;
}
private CommonResult<Integer> modifyPriceByCouponCard(Integer userId, Integer couponCardId, List<CalcOrderPriceBO.ItemGroup> itemGroups) {
Assert.isTrue(couponCardId != null, "优惠劵编号不能为空");
// 查询优惠劵
CommonResult<CouponCardDetailBO> couponCardResult = couponService.getCouponCardDetail(userId, couponCardId);
if (couponCardResult.isError()) {
return CommonResult.error(couponCardResult);
}
CouponCardDetailBO couponCard = couponCardResult.getData();
// 获得匹配的商品
List<CalcOrderPriceBO.Item> items = new ArrayList<>();
if (RangeTypeEnum.ALL.getValue().equals(couponCard.getRangeType())) {
// totalPrice = spus.stream().mapToInt(spu -> spu.getPrice() * spu.getQuantity()).sum();
itemGroups.forEach(itemGroup -> items.addAll(itemGroup.getItems()));
} else if (RangeTypeEnum.PRODUCT_INCLUDE_PART.getValue().equals(couponCard.getRangeType())) {
itemGroups.forEach(itemGroup -> items.forEach(item -> {
if (couponCard.getRangeValues().contains(item.getSpu().getId())) {
items.add(item);
}
}));
} else if (RangeTypeEnum.PRODUCT_EXCLUDE_PART.getValue().equals(couponCard.getRangeType())) {
itemGroups.forEach(itemGroup -> items.forEach(item -> {
if (!couponCard.getRangeValues().contains(item.getSpu().getId())) {
items.add(item);
}
}));
} else if (RangeTypeEnum.CATEGORY_INCLUDE_PART.getValue().equals(couponCard.getRangeType())) {
itemGroups.forEach(itemGroup -> items.forEach(item -> {
if (couponCard.getRangeValues().contains(item.getSpu().getCid())) {
items.add(item);
}
}));
} else if (RangeTypeEnum.CATEGORY_EXCLUDE_PART.getValue().equals(couponCard.getRangeType())) {
itemGroups.forEach(itemGroup -> items.forEach(item -> {
if (!couponCard.getRangeValues().contains(item.getSpu().getCid())) {
items.add(item);
}
}));
}
// 判断是否符合条件
int originalTotal = items.stream().mapToInt(CalcOrderPriceBO.Item::getPresentTotal).sum(); // 此处指的是以优惠劵视角的原价
if (originalTotal == 0 || originalTotal < couponCard.getPriceAvailable()) {
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.COUPON_CARD_NOT_MATCH.getCode()); // 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 (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 CommonResult.success(originalTotal - presentTotal);
}
/**
* 计算指定 SKU 在限时折扣下的价格
*
@ -393,11 +472,31 @@ public class CartServiceImpl implements CartService {
} else {
throw new IllegalArgumentException(String.format("满减送促销(%s) 的优惠类型不正确", activity.toString()));
}
Integer discountTotal = originalTotal - presentTotal;
int discountTotal = originalTotal - presentTotal;
if (discountTotal == 0) {
return null;
}
// 按比例拆分 presentTotal
// for (int i = 0; i < items.size(); i++) {
// CalcOrderPriceBO.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());
// }
splitDiscountPriceToItems(items, discountTotal, presentTotal);
// 返回优惠金额
return originalTotal - presentTotal;
}
private void splitDiscountPriceToItems(List<CalcOrderPriceBO.Item> items, Integer discountTotal, Integer presentTotal) {
for (int i = 0; i < items.size(); i++) {
CalcOrderPriceBO.Item item = items.get(i);
Integer discountPart;
@ -412,7 +511,6 @@ public class CartServiceImpl implements CartService {
item.setPresentTotal(item.getBuyTotal() - item.getDiscountTotal());
item.setPresentPrice(item.getPresentTotal() / item.getBuyQuantity());
}
return originalTotal - presentTotal;
}
private PromotionActivityBO findPromotionActivityByType(List<PromotionActivityBO> activityList, PromotionActivityTypeEnum type) {

View File

@ -92,6 +92,15 @@ public interface CouponService {
*/
CommonResult<Boolean> cancelUseCouponCard(Integer userId, Integer couponCardId);
/**
* 获得指定优惠劵
*
* @param userId 用户编号
* @param couponCardId 优惠劵编号
* @return 优惠劵
*/
CommonResult<CouponCardDetailBO> getCouponCardDetail(Integer userId, Integer couponCardId);
/**
* 获得用户所有优惠劵并标明是否可用
*
@ -103,6 +112,7 @@ public interface CouponService {
*/
CommonResult<List<CouponCardAvailableBO>> getCouponCardList(Integer userId, List<CouponCardSpuDTO> spus);
// ========== 优惠码 ==========
/**

View File

@ -0,0 +1,142 @@
package cn.iocoder.mall.promotion.api.bo;
import lombok.Data;
import lombok.experimental.Accessors;
import java.util.Date;
import java.util.List;
/**
* 优惠劵明细 BO
*
* 主要是会带上 {@link CouponTemplateBO} 的信息
*/
@Data
@Accessors(chain = true)
public class CouponCardDetailBO {
// ========== 基本信息 BEGIN ==========
/**
* 优惠劵编号
*/
private Integer id;
/**
* 优惠劵分组编号
*/
private Integer templateId;
/**
* 优惠劵名
*/
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
*/
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
*/
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 当使用 8 折优惠券订单金额为 1000 元时最高只可折扣 20 而非 80
*/
private Integer discountPriceLimit;
// ========== 使用效果 END ==========
// ========== 使用情况 BEGIN ==========
/**
* 是否使用
*/
private Boolean used;
/**
* 使用订单号
*/
private Integer usedOrderId;
/**
* 订单中优惠面值单位
*/
private Integer usedPrice;
/**
* 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 ==========
/**
* 创建时间
*/
private Date createTime;
// ========== FROM template 使用规则 BEGIN ==========
/**
* 可用范围的类型
*
* 10-全部ALL所有可用
* 20-部分PART部分商品可用或指定商品可用
* 21-部分PART部分商品不可用或指定商品可用
* 30-部分PART部分分类可用或指定商品可用
* 31-部分PART部分分类不可用或指定商品可用
*/
private Integer rangeType;
/**
* 指定商品 / 分类列表使用逗号分隔商品编号
*/
private List<Integer> rangeValues;
}

View File

@ -17,15 +17,21 @@ public enum PromotionErrorCodeEnum {
// ========== COUPON TEMPLATE 模块 ==========
PRODUCT_TEMPLATE_NOT_EXISTS(1006002000, "优惠劵模板(码)不存在"),
PRODUCT_TEMPLATE_NOT_CARD(1006002001, "不是优惠劵模板"),
PRODUCT_TEMPLATE_NOT_CODE(1006002002, "不是优惠码模板"),
PRODUCT_TEMPLATE_TOTAL_CAN_NOT_REDUCE(1006002003, "优惠劵(码)模板的发放数量不能减小"),
PRODUCT_TEMPLATE_STATUS_NOT_ENABLE(1006002004, "优惠劵模板(码)未开启"),
PRODUCT_TEMPLATE_TOTAL_NOT_ENOUGH(1006002005, "优惠劵(码)模板的发放量不足"),
PRODUCT_TEMPLATE_CARD_ADD_EXCEED_QUOTA(1006002006, "优惠劵领取到达上限"),
COUPON_TEMPLATE_NOT_EXISTS(1006002000, "优惠劵模板(码)不存在"),
COUPON_TEMPLATE_NOT_CARD(1006002001, "不是优惠劵模板"),
COUPON_TEMPLATE_NOT_CODE(1006002002, "不是优惠码模板"),
COUPON_TEMPLATE_TOTAL_CAN_NOT_REDUCE(1006002003, "优惠劵(码)模板的发放数量不能减小"),
COUPON_TEMPLATE_STATUS_NOT_ENABLE(1006002004, "优惠劵模板(码)未开启"),
COUPON_TEMPLATE_TOTAL_NOT_ENOUGH(1006002005, "优惠劵(码)模板的发放量不足"),
COUPON_TEMPLATE_CARD_ADD_EXCEED_QUOTA(1006002006, "优惠劵领取到达上限"),
// ========== COUPON CARD 模块 ==========
COUPON_CARD_NOT_EXISTS(1006003000, "优惠劵不存在"),
COUPON_CARD_ERROR_USER(1006003001, "优惠劵不属于当前用户"),
COUPON_CARD_NOT_MATCH(1006003002, "优惠劵不匹配,无法使用"),
;
private final int code;
private final String message;

View File

@ -2,6 +2,7 @@ package cn.iocoder.mall.promotion.biz.convert;
import cn.iocoder.mall.promotion.api.bo.CouponCardAvailableBO;
import cn.iocoder.mall.promotion.api.bo.CouponCardBO;
import cn.iocoder.mall.promotion.api.bo.CouponCardDetailBO;
import cn.iocoder.mall.promotion.biz.dataobject.CouponCardDO;
import org.mapstruct.Mapper;
import org.mapstruct.Mappings;
@ -23,6 +24,9 @@ public interface CouponCardConvert {
@Mappings({})
CouponCardBO convert(CouponCardDO card);
@Mappings({})
CouponCardDetailBO convert2(CouponCardDO card);
@Mappings({})
CouponCardAvailableBO convert2(CouponCardDO card, boolean x); // TODO 芋艿临时用来解决 mapstruct 无法正确匹配方法的问题

View File

@ -20,7 +20,10 @@ import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.*;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
@Service // 实际上不用添加添加的原因是必须 Spring 报错提示
@ -99,15 +102,15 @@ public class CouponServiceImpl implements CouponService {
// 校验 CouponCardTemplate 存在
CouponTemplateDO template = couponTemplateMapper.selectById(couponCardTemplateUpdateDTO.getId());
if (template == null) {
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.PRODUCT_TEMPLATE_NOT_EXISTS.getCode());
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.COUPON_TEMPLATE_NOT_EXISTS.getCode());
}
// 校验 CouponCardTemplate CARD
if (!CouponTemplateTypeEnum.CARD.getValue().equals(template.getType())) {
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.PRODUCT_TEMPLATE_NOT_CARD.getCode());
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.COUPON_TEMPLATE_NOT_CARD.getCode());
}
// 校验发放数量不能减少
if (couponCardTemplateUpdateDTO.getTotal() < template.getTotal()) {
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.PRODUCT_TEMPLATE_TOTAL_CAN_NOT_REDUCE.getCode());
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.COUPON_TEMPLATE_TOTAL_CAN_NOT_REDUCE.getCode());
}
// 更新优惠劵模板到数据库
CouponTemplateDO updateTemplateDO = CouponTemplateConvert.INSTANCE.convert(couponCardTemplateUpdateDTO);
@ -121,7 +124,7 @@ public class CouponServiceImpl implements CouponService {
// 校验 CouponCardTemplate 存在
CouponTemplateDO template = couponTemplateMapper.selectById(couponTemplateId);
if (template == null) {
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.PRODUCT_TEMPLATE_NOT_EXISTS.getCode());
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.COUPON_TEMPLATE_NOT_EXISTS.getCode());
}
// 更新到数据库
CouponTemplateDO updateTemplateDO = new CouponTemplateDO().setId(couponTemplateId).setStatus(status);
@ -195,28 +198,28 @@ public class CouponServiceImpl implements CouponService {
// 校验 CouponCardTemplate 存在
CouponTemplateDO template = couponTemplateMapper.selectById(couponTemplateId);
if (template == null) {
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.PRODUCT_TEMPLATE_NOT_EXISTS.getCode());
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.COUPON_TEMPLATE_NOT_EXISTS.getCode());
}
// 校验 CouponCardTemplate CARD
if (!CouponTemplateTypeEnum.CARD.getValue().equals(template.getType())) {
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.PRODUCT_TEMPLATE_NOT_CARD.getCode());
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.COUPON_TEMPLATE_NOT_CARD.getCode());
}
// 校验 CouponCardTemplate 状态是否开启
if (!CouponTemplateStatusEnum.ENABLE.getValue().equals(template.getStatus())) {
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.PRODUCT_TEMPLATE_STATUS_NOT_ENABLE.getCode());
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.COUPON_TEMPLATE_STATUS_NOT_ENABLE.getCode());
}
// 校验 CouponCardTemplate 是否到达可领取的上限
if (template.getStatFetchNum() > template.getTotal()) {
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.PRODUCT_TEMPLATE_TOTAL_NOT_ENOUGH.getCode());
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.COUPON_TEMPLATE_TOTAL_NOT_ENOUGH.getCode());
}
// 校验单人可领取优惠劵是否到达上限
if (couponCardMapper.selectCountByUserIdAndTemplateId(userId, couponTemplateId) > template.getQuota()) {
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.PRODUCT_TEMPLATE_CARD_ADD_EXCEED_QUOTA.getCode());
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.COUPON_TEMPLATE_CARD_ADD_EXCEED_QUOTA.getCode());
}
// 增加优惠劵已领取量
int updateTemplateCount = couponTemplateMapper.updateStatFetchNumIncr(couponTemplateId);
if (updateTemplateCount == 0) { // 超过 CouponCardTemplate 发放量
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.PRODUCT_TEMPLATE_CARD_ADD_EXCEED_QUOTA.getCode());
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.COUPON_TEMPLATE_CARD_ADD_EXCEED_QUOTA.getCode());
}
// 创建优惠劵
// 1. 基本信息 + 领取情况
@ -250,6 +253,28 @@ public class CouponServiceImpl implements CouponService {
return null;
}
@Override
public CommonResult<CouponCardDetailBO> getCouponCardDetail(Integer userId, Integer couponCardId) {
// 查询优惠劵
CouponCardDO card = couponCardMapper.selectById(couponCardId);
if (card == null) {
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.COUPON_CARD_NOT_EXISTS.getCode());
}
if (!userId.equals(card.getUserId())) {
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.COUPON_CARD_ERROR_USER.getCode());
}
// 查询优惠劵模板
CouponTemplateDO template = couponTemplateMapper.selectById(card.getTemplateId());
if (template == null) {
return ServiceExceptionUtil.error(PromotionErrorCodeEnum.COUPON_TEMPLATE_NOT_EXISTS.getCode());
}
// 拼接结果
CouponCardDetailBO detail = CouponCardConvert.INSTANCE.convert2(card);
detail.setRangeType(template.getRangeType());
detail.setRangeValues(StringUtil.splitToInt(template.getRangeValues(), ","));
return CommonResult.success(detail);
}
@Override
public CommonResult<List<CouponCardAvailableBO>> getCouponCardList(Integer userId, List<CouponCardSpuDTO> spus) {
// 查询用户未使用的优惠劵列表