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
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@ -124,8 +124,9 @@
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};
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},
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methods: {
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onCouponChange(a, b, c) {
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debugger;
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onCouponChange(index) {
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this.chosenCoupon = index;
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this.showCouponPopup = false;
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},
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onCouponExchange(a, b, c) {
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Dialog.alert({
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@ -204,7 +205,7 @@
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endAt: card.validEndTime / 1000,
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// description: '述信息,优惠券可用时展示',
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reason: card.unavailableReason,
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value: card.preferentialType === 1 ? card.priceOff : card.percentOff,
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value: 0, // TODO ,需要服务端算
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valueDesc: card.preferentialType === 1 ? card.priceOff / 100 : card.percentOff / 10.0,
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unitDesc: card.preferentialType === 1 ? '元' : '折'
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})
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@ -96,7 +96,7 @@ public class UsersCartController {
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return CommonResult.success(result);
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}
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// 计算商品价格
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CommonResult<CalcOrderPriceBO> calcOrderPriceResult = list0(cartItems);
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CommonResult<CalcOrderPriceBO> calcOrderPriceResult = list0(cartItems, null);
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if (calcOrderPriceResult.isError()) {
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return CommonResult.error(calcOrderPriceResult);
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}
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@ -105,7 +105,7 @@ public class UsersCartController {
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}
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@GetMapping("/confirm_create_order")
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public CommonResult<UsersOrderConfirmCreateVO> getConfirmCreateOrder() {
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public CommonResult<UsersOrderConfirmCreateVO> getConfirmCreateOrder(@RequestParam("couponCardId") Integer couponCardId) {
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Integer userId = UserSecurityContextHolder.getContext().getUserId();
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// 获得购物车中选中的
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List<CartItemBO> cartItems = cartService.list(userId, true).getData();
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@ -117,7 +117,7 @@ public class UsersCartController {
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return CommonResult.success(result);
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}
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// 计算商品价格
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CommonResult<CalcOrderPriceBO> calcOrderPriceResult = list0(cartItems);
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CommonResult<CalcOrderPriceBO> calcOrderPriceResult = list0(cartItems, couponCardId);
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if (calcOrderPriceResult.isError()) {
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return CommonResult.error(calcOrderPriceResult);
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}
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@ -130,10 +130,12 @@ public class UsersCartController {
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.setCouponCards(couponCards));
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}
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private CommonResult<CalcOrderPriceBO> list0(List<CartItemBO> cartItems) {
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private CommonResult<CalcOrderPriceBO> list0(List<CartItemBO> cartItems, Integer couponCardId) {
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// 创建计算的 DTO
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CalcOrderPriceDTO calcOrderPriceDTO = new CalcOrderPriceDTO()
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.setItems(new ArrayList<>(cartItems.size()));
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.setUserId(UserSecurityContextHolder.getContext().getUserId())
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.setItems(new ArrayList<>(cartItems.size()))
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.setCouponCardId(couponCardId);
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for (CartItemBO item : cartItems) {
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calcOrderPriceDTO.getItems().add(new CalcOrderPriceDTO.Item(item.getSkuId(), item.getQuantity(), item.getSelected()));
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}
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@ -93,10 +93,13 @@ public class UsersOrderController {
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@GetMapping("confirm_create_order")
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@ApiOperation("确认创建订单")
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public CommonResult<UsersOrderConfirmCreateVO> getConfirmCreateOrder(@RequestParam("skuId") Integer skuId,
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@RequestParam("quantity") Integer quantity) {
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@RequestParam("quantity") Integer quantity,
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@RequestParam("couponCardId") Integer couponCardId) {
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// 创建 CalcOrderPriceDTO 对象,并执行价格计算
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CalcOrderPriceDTO calcOrderPriceDTO = new CalcOrderPriceDTO()
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.setItems(Collections.singletonList(new CalcOrderPriceDTO.Item(skuId, quantity, true)));
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.setUserId(UserSecurityContextHolder.getContext().getUserId())
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.setItems(Collections.singletonList(new CalcOrderPriceDTO.Item(skuId, quantity, true)))
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.setCouponCardId(couponCardId);
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CommonResult<CalcOrderPriceBO> calcOrderPriceResult = cartService.calcOrderPrice(calcOrderPriceDTO);
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if (calcOrderPriceResult.isError()) {
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return CommonResult.error(calcOrderPriceResult);
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@ -24,7 +24,6 @@ public class UsersOrderConfirmCreateVO {
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* 优惠劵列表 TODO 芋艿,后续改改
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*/
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private List<CouponCardAvailableBO> couponCards;
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/**
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* 商品分组
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*
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@ -18,6 +18,17 @@ public class CalcOrderPriceBO {
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* 商品分组数组
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*/
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private List<ItemGroup> itemGroups;
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/**
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* 优惠劵编号
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*/
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private Integer couponCardId;
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/**
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* 优惠劵减少的金额
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*
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* 1. 若未使用优惠劵,返回 null
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* 2. 该金额,已经分摊到每个 Item 的 discountTotal ,需要注意。
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*/
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private Integer couponCardDiscountTotal;
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/**
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* 邮费信息
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*
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@ -3,6 +3,7 @@ package cn.iocoder.mall.order.api.dto;
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import lombok.Data;
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import lombok.experimental.Accessors;
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import javax.validation.constraints.NotNull;
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import java.util.List;
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/**
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@ -12,9 +13,13 @@ import java.util.List;
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@Accessors(chain = true)
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public class CalcOrderPriceDTO {
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@NotNull(message = "用户编号不能为空")
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private Integer userId;
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/**
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* 商品数组
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* 优惠劵编号
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*/
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private Integer couponCardId;
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@NotNull(message = "商品数组不能为空")
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private List<Item> items;
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@Data
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@ -16,7 +16,9 @@ import cn.iocoder.mall.order.biz.dataobject.CartItemDO;
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import cn.iocoder.mall.product.api.ProductSpuService;
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import cn.iocoder.mall.product.api.bo.ProductSkuBO;
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import cn.iocoder.mall.product.api.bo.ProductSkuDetailBO;
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import cn.iocoder.mall.promotion.api.CouponService;
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import cn.iocoder.mall.promotion.api.PromotionActivityService;
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import cn.iocoder.mall.promotion.api.bo.CouponCardDetailBO;
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import cn.iocoder.mall.promotion.api.bo.PromotionActivityBO;
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import cn.iocoder.mall.promotion.api.constant.*;
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import com.alibaba.dubbo.config.annotation.Reference;
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@ -38,6 +40,8 @@ public class CartServiceImpl implements CartService {
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private ProductSpuService productSpuService;
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@Reference(validation = "true")
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private PromotionActivityService promotionActivityService;
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@Reference(validation = "true")
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private CouponService couponService;
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@Autowired
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private CartMapper cartMapper;
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@ -152,6 +156,7 @@ public class CartServiceImpl implements CartService {
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@Override
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public CommonResult<CalcOrderPriceBO> calcOrderPrice(CalcOrderPriceDTO calcOrderPriceDTO) {
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// TODO 芋艿,补充一些表单校验。例如说,需要传入用户编号。
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// 校验商品都存在
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Map<Integer, CalcOrderPriceDTO.Item> calcOrderItemMap = calcOrderPriceDTO.getItems().stream()
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.collect(Collectors.toMap(CalcOrderPriceDTO.Item::getSkuId, item -> item)); // KEY:skuId
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@ -177,7 +182,15 @@ public class CartServiceImpl implements CartService {
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// 3. 计算【满减送】促销
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List<CalcOrderPriceBO.ItemGroup> itemGroups = groupByFullPrivilege(items, activityList);
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calcOrderPriceBO.setItemGroups(itemGroups);
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// 4. 计算最终的价格
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// 4. 计算优惠劵
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if (calcOrderPriceDTO.getCouponCardId() != null) {
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CommonResult<Integer> result = modifyPriceByCouponCard(calcOrderPriceDTO.getUserId(), calcOrderPriceDTO.getCouponCardId(), itemGroups);
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if (result.isError()) {
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return CommonResult.error(result);
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}
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calcOrderPriceBO.setCouponCardDiscountTotal(result.getData());
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}
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// 5. 计算最终的价格
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int buyTotal = 0;
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int discountTotal = 0;
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int presentTotal = 0;
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@ -314,6 +327,72 @@ public class CartServiceImpl implements CartService {
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return itemGroups;
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}
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private CommonResult<Integer> modifyPriceByCouponCard(Integer userId, Integer couponCardId, List<CalcOrderPriceBO.ItemGroup> itemGroups) {
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Assert.isTrue(couponCardId != null, "优惠劵编号不能为空");
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// 查询优惠劵
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CommonResult<CouponCardDetailBO> couponCardResult = couponService.getCouponCardDetail(userId, couponCardId);
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if (couponCardResult.isError()) {
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return CommonResult.error(couponCardResult);
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}
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CouponCardDetailBO couponCard = couponCardResult.getData();
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// 获得匹配的商品
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List<CalcOrderPriceBO.Item> items = new ArrayList<>();
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if (RangeTypeEnum.ALL.getValue().equals(couponCard.getRangeType())) {
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// totalPrice = spus.stream().mapToInt(spu -> spu.getPrice() * spu.getQuantity()).sum();
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itemGroups.forEach(itemGroup -> items.addAll(itemGroup.getItems()));
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} else if (RangeTypeEnum.PRODUCT_INCLUDE_PART.getValue().equals(couponCard.getRangeType())) {
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itemGroups.forEach(itemGroup -> items.forEach(item -> {
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if (couponCard.getRangeValues().contains(item.getSpu().getId())) {
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items.add(item);
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}
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}));
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} else if (RangeTypeEnum.PRODUCT_EXCLUDE_PART.getValue().equals(couponCard.getRangeType())) {
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itemGroups.forEach(itemGroup -> items.forEach(item -> {
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if (!couponCard.getRangeValues().contains(item.getSpu().getId())) {
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items.add(item);
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}
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}));
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} else if (RangeTypeEnum.CATEGORY_INCLUDE_PART.getValue().equals(couponCard.getRangeType())) {
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itemGroups.forEach(itemGroup -> items.forEach(item -> {
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if (couponCard.getRangeValues().contains(item.getSpu().getCid())) {
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items.add(item);
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}
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}));
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} else if (RangeTypeEnum.CATEGORY_EXCLUDE_PART.getValue().equals(couponCard.getRangeType())) {
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itemGroups.forEach(itemGroup -> items.forEach(item -> {
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if (!couponCard.getRangeValues().contains(item.getSpu().getCid())) {
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items.add(item);
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}
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}));
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}
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// 判断是否符合条件
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int originalTotal = items.stream().mapToInt(CalcOrderPriceBO.Item::getPresentTotal).sum(); // 此处,指的是以优惠劵视角的原价
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if (originalTotal == 0 || originalTotal < couponCard.getPriceAvailable()) {
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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。
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}
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// 计算价格
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// 获得到优惠信息,进行价格计算
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int presentTotal;
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if (PreferentialTypeEnum.PRICE.getValue().equals(couponCard.getPreferentialType())) { // 减价
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// 计算循环次数。这样,后续优惠的金额就是相乘了
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presentTotal = originalTotal - couponCard.getPriceOff();
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Assert.isTrue(presentTotal > 0, "计算后,价格为负数:" + presentTotal);
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} else if (PreferentialTypeEnum.DISCOUNT.getValue().equals(couponCard.getPreferentialType())) { // 打折
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presentTotal = originalTotal * couponCard.getPercentOff() / 100;
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if (originalTotal - presentTotal > couponCard.getDiscountPriceLimit()) {
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presentTotal = originalTotal - couponCard.getDiscountPriceLimit();
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}
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} else {
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throw new IllegalArgumentException(String.format("优惠劵(%s) 的优惠类型不正确", couponCard.toString()));
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}
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int discountTotal = originalTotal - presentTotal;
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Assert.isTrue(discountTotal > 0, "计算后,不产生优惠:" + discountTotal);
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// 按比例,拆分 presentTotal
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splitDiscountPriceToItems(items, discountTotal, presentTotal);
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// 返回优惠金额
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return CommonResult.success(originalTotal - presentTotal);
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}
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/**
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* 计算指定 SKU 在限时折扣下的价格
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*
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@ -393,11 +472,31 @@ public class CartServiceImpl implements CartService {
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} else {
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throw new IllegalArgumentException(String.format("满减送促销(%s) 的优惠类型不正确", activity.toString()));
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}
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Integer discountTotal = originalTotal - presentTotal;
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int discountTotal = originalTotal - presentTotal;
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if (discountTotal == 0) {
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return null;
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}
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// 按比例,拆分 presentTotal
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// for (int i = 0; i < items.size(); i++) {
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// CalcOrderPriceBO.Item item = items.get(i);
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// Integer discountPart;
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// 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
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// discountPart = (int) (discountTotal * (1.0D * item.getPresentTotal() / presentTotal));
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// discountTotal -= discountPart;
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// } else {
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// discountPart = discountTotal;
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// }
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// Assert.isTrue(discountPart > 0, "优惠金额必须大于 0");
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// item.setDiscountTotal(item.getDiscountTotal() + discountPart);
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// item.setPresentTotal(item.getBuyTotal() - item.getDiscountTotal());
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// item.setPresentPrice(item.getPresentTotal() / item.getBuyQuantity());
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// }
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splitDiscountPriceToItems(items, discountTotal, presentTotal);
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// 返回优惠金额
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return originalTotal - presentTotal;
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}
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private void splitDiscountPriceToItems(List<CalcOrderPriceBO.Item> items, Integer discountTotal, Integer presentTotal) {
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for (int i = 0; i < items.size(); i++) {
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CalcOrderPriceBO.Item item = items.get(i);
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Integer discountPart;
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@ -412,7 +511,6 @@ public class CartServiceImpl implements CartService {
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item.setPresentTotal(item.getBuyTotal() - item.getDiscountTotal());
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item.setPresentPrice(item.getPresentTotal() / item.getBuyQuantity());
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}
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return originalTotal - presentTotal;
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}
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private PromotionActivityBO findPromotionActivityByType(List<PromotionActivityBO> activityList, PromotionActivityTypeEnum type) {
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@ -92,6 +92,15 @@ public interface CouponService {
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*/
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CommonResult<Boolean> cancelUseCouponCard(Integer userId, Integer couponCardId);
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/**
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* 获得指定优惠劵
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*
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* @param userId 用户编号
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* @param couponCardId 优惠劵编号
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* @return 优惠劵
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*/
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CommonResult<CouponCardDetailBO> getCouponCardDetail(Integer userId, Integer couponCardId);
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/**
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* 获得用户所有优惠劵,并标明是否可用
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*
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@ -103,6 +112,7 @@ public interface CouponService {
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*/
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CommonResult<List<CouponCardAvailableBO>> getCouponCardList(Integer userId, List<CouponCardSpuDTO> spus);
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// ========== 优惠码 ==========
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/**
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@ -0,0 +1,142 @@
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package cn.iocoder.mall.promotion.api.bo;
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import lombok.Data;
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import lombok.experimental.Accessors;
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import java.util.Date;
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import java.util.List;
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/**
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* 优惠劵明细 BO 。
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*
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* 主要是,会带上 {@link CouponTemplateBO} 的信息
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*/
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@Data
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@Accessors(chain = true)
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public class CouponCardDetailBO {
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// ========== 基本信息 BEGIN ==========
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/**
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* 优惠劵编号
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*/
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private Integer id;
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/**
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* 优惠劵(码)分组编号
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*/
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private Integer templateId;
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/**
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* 优惠劵名
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*/
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private String title;
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// /**
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// * 核销码
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// */
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// private String verifyCode;
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/**
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* 优惠码状态
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*
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* 1-未使用
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* 2-已使用
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* 3-已失效
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*/
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private Integer status;
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// ========== 基本信息 END ==========
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// ========== 领取情况 BEGIN ==========
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/**
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* 用户编号
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*/
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private Integer userId;
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/**
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* 领取类型
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*
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* 1 - 用户主动领取
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* 2 - 后台自动发放
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*/
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private Integer takeType;
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// ========== 领取情况 END ==========
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// ========== 使用规则 BEGIN ==========
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/**
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* 是否设置满多少金额可用,单位:分
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*/
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private Integer priceAvailable;
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/**
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* 生效开始时间
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*/
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private Date validStartTime;
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/**
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* 生效结束时间
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*/
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private Date validEndTime;
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// ========== 使用规则 END ==========
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// ========== 使用效果 BEGIN ==========
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/**
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* 优惠类型
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*
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* 1-代金卷
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* 2-折扣卷
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*/
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private Integer preferentialType;
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/**
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* 折扣
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*/
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private Integer percentOff;
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/**
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* 优惠金额,单位:分。
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*/
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private Integer priceOff;
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/**
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* 折扣上限,仅在 {@link #preferentialType} 等于 2 时生效。
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*
|
||||
* 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 ==========
|
||||
/**
|
||||
* 是否使用
|
||||
*/
|
||||
private Boolean used;
|
||||
/**
|
||||
* 使用订单号
|
||||
*/
|
||||
private Integer usedOrderId;
|
||||
/**
|
||||
* 订单中优惠面值,单位:分
|
||||
*/
|
||||
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;
|
||||
|
||||
}
|
@ -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;
|
||||
|
||||
|
@ -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
|
||||
|
||||
|
@ -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 是 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 是 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
|
||||
|
Loading…
Reference in New Issue
Block a user