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后端：增加 MyBatis JSONTypeHandler

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后端：增加指定商品的促销价格计算
前端：商品详情页，增加促销价格计算
This commit is contained in:
YunaiV
2019-04-16 23:31:22 +08:00
parent 4aac5bd2c6
commit 3909a95495
32 changed files with 686 additions and 104 deletions
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13
order/order-application/src/main/java/cn/iocoder/mall/order/application/controller/users/UsersCartController.java
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@@ -4,9 +4,11 @@ import cn.iocoder.common.framework.vo.CommonResult;
import cn.iocoder.mall.order.api.CartService;
import cn.iocoder.mall.order.api.OrderService;
import cn.iocoder.mall.order.api.bo.CalcOrderPriceBO;
import cn.iocoder.mall.order.api.bo.CalcSkuPriceBO;
import cn.iocoder.mall.order.api.bo.CartItemBO;
import cn.iocoder.mall.order.api.dto.CalcOrderPriceDTO;
import cn.iocoder.mall.order.application.convert.CartConvert;
import cn.iocoder.mall.order.application.vo.UsersCalcSkuPriceVO;
import cn.iocoder.mall.order.application.vo.UsersCartDetailVO;
import cn.iocoder.mall.order.application.vo.UsersOrderConfirmCreateVO;
import cn.iocoder.mall.user.sdk.context.UserSecurityContextHolder;
@@ -129,6 +131,17 @@ public class UsersCartController {
return cartService.calcOrderPrice(calcOrderPriceDTO);
}
@GetMapping("/calc_sku_price")
public CommonResult<UsersCalcSkuPriceVO> calcSkuPrice(@RequestParam("skuId") Integer skuId) {
// 计算 sku 的价格
CommonResult<CalcSkuPriceBO> calcSkuPriceResult = cartService.calcSkuPrice(skuId);
// 返回结果
if (calcSkuPriceResult.isError()) {
return CommonResult.error(calcSkuPriceResult);
}
return CommonResult.success(CartConvert.INSTANCE.convert2(calcSkuPriceResult.getData()));
}
public CommonResult<Object> confirmOrder() {
// 查询购物车列表（选中的）
// cartService.list(userId, true);

4
order/order-application/src/main/java/cn/iocoder/mall/order/application/convert/CartConvert.java
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@@ -1,6 +1,8 @@
package cn.iocoder.mall.order.application.convert;
import cn.iocoder.mall.order.api.bo.CalcOrderPriceBO;
import cn.iocoder.mall.order.api.bo.CalcSkuPriceBO;
import cn.iocoder.mall.order.application.vo.UsersCalcSkuPriceVO;
import cn.iocoder.mall.order.application.vo.UsersCartDetailVO;
import cn.iocoder.mall.order.application.vo.UsersOrderConfirmCreateVO;
import org.mapstruct.Mapper;
@@ -15,4 +17,6 @@ public interface CartConvert {
UsersCartDetailVO convert2(CalcOrderPriceBO calcOrderPriceBO);
UsersCalcSkuPriceVO convert2(CalcSkuPriceBO calcSkuPriceBO);
}

34
order/order-application/src/main/java/cn/iocoder/mall/order/application/vo/UsersCalcSkuPriceVO.java Normal file
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@@ -0,0 +1,34 @@
package cn.iocoder.mall.order.application.vo;
import cn.iocoder.mall.promotion.api.bo.PromotionActivityBO;
import io.swagger.annotations.ApiModel;
import lombok.Data;
import lombok.experimental.Accessors;
@ApiModel("计算商品 SKU 价格结果 VO")
@Data
@Accessors(chain = true)
public class UsersCalcSkuPriceVO {
/**
* 满减送促销活动
*
* TODO 芋艿，后续改成 VO
*/
private PromotionActivityBO fullPrivilege;
/**
* 电视和折扣促销活动
*
* TODO 芋艿，后续改成 VO
*/
private PromotionActivityBO timeLimitedDiscount;
/**
* 原价格，单位：分。
*/
private Integer originalPrice;
/**
* 最终价格，单位：分。
*/
private Integer presentPrice;
}

26
order/order-service-api/src/main/java/cn/iocoder/mall/order/api/CartService.java
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@@ -87,24 +87,14 @@ public interface CartService {
*/
CommonResult<CalcOrderPriceBO> calcOrderPrice(CalcOrderPriceDTO calcOrderPriceDTO);
/**
* 计算指定商品 SKU 的金额，并返回计算结果
*
* TODO 芋艿，此处只会计算，限时折扣带来的价格变化。
*
* @param skuId 商品 SKU 编号
* @return 计算订单金额结果
*/
CommonResult<CalcSkuPriceBO> calcSkuPrice(Integer skuId);
/**
* 获得购物车明细
*
* TODO 芋艿，可能放在 Controller 更合适
*
* @param userId 用户编号
* @return 购物车明细
*/
CommonResult<CartBO> details(Integer userId);
/**
* 基于购物车创建订单
*
* @param userId 用户编号
* @return 订单信息
*/
CommonResult<OrderCreateBO> createOrder(Integer userId);
}

70
order/order-service-impl/src/main/java/cn/iocoder/mall/order/biz/service/CartServiceImpl.java
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@@ -4,7 +4,9 @@ import cn.iocoder.common.framework.constant.CommonStatusEnum;
import cn.iocoder.common.framework.util.ServiceExceptionUtil;
import cn.iocoder.common.framework.vo.CommonResult;
import cn.iocoder.mall.order.api.CartService;
import cn.iocoder.mall.order.api.bo.*;
import cn.iocoder.mall.order.api.bo.CalcOrderPriceBO;
import cn.iocoder.mall.order.api.bo.CalcSkuPriceBO;
import cn.iocoder.mall.order.api.bo.CartItemBO;
import cn.iocoder.mall.order.api.constant.CartItemStatusEnum;
import cn.iocoder.mall.order.api.constant.OrderErrorCodeEnum;
import cn.iocoder.mall.order.api.dto.CalcOrderPriceDTO;
@@ -14,6 +16,11 @@ 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.PromotionActivityService;
import cn.iocoder.mall.promotion.api.bo.PromotionActivityBO;
import cn.iocoder.mall.promotion.api.constant.PreferentialTypeEnum;
import cn.iocoder.mall.promotion.api.constant.PromotionActivityStatusEnum;
import cn.iocoder.mall.promotion.api.constant.PromotionActivityTypeEnum;
import com.alibaba.dubbo.config.annotation.Reference;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@@ -30,6 +37,8 @@ public class CartServiceImpl implements CartService {
@Reference(validation = "true")
private ProductSpuService productSpuService;
@Reference(validation = "true")
private PromotionActivityService promotionActivityService;
@Autowired
private CartMapper cartMapper;
@@ -188,17 +197,62 @@ public class CartServiceImpl implements CartService {
}
@Override
@SuppressWarnings("Duplicates")
public CommonResult<CalcSkuPriceBO> calcSkuPrice(Integer skuId) {
return null;
// 查询 SKU 是否合法
CommonResult<ProductSkuBO> skuResult = productSpuService.getProductSku(skuId);
if (skuResult.isError()) {
return CommonResult.error(skuResult);
}
ProductSkuBO sku = skuResult.getData();
if (sku == null
|| CommonStatusEnum.DISABLE.getValue().equals(sku.getStatus())) { // sku 被禁用
return ServiceExceptionUtil.error(OrderErrorCodeEnum.CARD_ITEM_SKU_NOT_FOUND.getCode());
}
// 查询促销活动
CommonResult<List<PromotionActivityBO>> activityListResult = promotionActivityService.getPromotionActivityListBySpuId(sku.getSpuId(),
Arrays.asList(PromotionActivityStatusEnum.WAIT.getValue(), PromotionActivityStatusEnum.RUN.getValue()));
if (activityListResult.isError()) {
return CommonResult.error(activityListResult);
}
// 如果无促销活动，则直接返回默认结果即可
List<PromotionActivityBO> activityList = activityListResult.getData();
if (activityList.isEmpty()) {
return CommonResult.success(new CalcSkuPriceBO().setOriginalPrice(sku.getPrice()).setPresentPrice(sku.getPrice()));
}
// 如果有促销活动，则开始做计算 TODO 芋艿，因为现在暂时只有限时折扣 + 满减送。所以写的比较简单先
PromotionActivityBO fullPrivilege = findPromotionActivityByType(activityList, PromotionActivityTypeEnum.FULL_PRIVILEGE);
PromotionActivityBO timeLimitedDiscount = findPromotionActivityByType(activityList, PromotionActivityTypeEnum.TIME_LIMITED_DISCOUNT);
Integer presentPrice = calcSkuPriceByTimeLimitDiscount(sku, timeLimitedDiscount);
// 返回结果
return CommonResult.success(new CalcSkuPriceBO().setFullPrivilege(fullPrivilege).setTimeLimitedDiscount(timeLimitedDiscount)
.setOriginalPrice(sku.getPrice()).setPresentPrice(presentPrice));
}
@Override
public CommonResult<CartBO> details(Integer userId) {
return null;
private Integer calcSkuPriceByTimeLimitDiscount(ProductSkuBO sku, PromotionActivityBO timeLimitedDiscount) {
// 获得对应的优惠项
PromotionActivityBO.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.getPrice() - item.getPreferentialValue();
return presentPrice >= 0 ? presentPrice : sku.getPrice(); // 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.getPrice() * item.getPreferentialValue() / 100;
}
throw new IllegalArgumentException(String.format("折扣活动(%s) 的优惠类型不正确", timeLimitedDiscount.toString()));
}
@Override
public CommonResult<OrderCreateBO> createOrder(Integer userId) {
return null;
private PromotionActivityBO findPromotionActivityByType(List<PromotionActivityBO> activityList, PromotionActivityTypeEnum type) {
return activityList.stream()
.filter(activity -> type.getValue().equals(activity.getActivityType()))
.findFirst().orElse(null);
}
}