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price：完成限时折扣的价格计算~

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This commit is contained in:
YunaiV 2022-10-29 22:23:48 +08:00
parent 084d4baba2
commit 4e9fe4bc54
3 changed files with 107 additions and 15 deletions
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6
yudao-module-mall/yudao-module-market-biz/src/main/java/cn/iocoder/yudao/module/market/dal/dataobject/discount/DiscountProductDO.java
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@ -31,6 +31,12 @@ public class DiscountProductDO extends BaseDO {
* 关联 {@link DiscountActivityDO#getId()}
*/
private Long activityId;
/**
* 限时折扣活动的名字
*
* 冗余 {@link DiscountActivityDO#getName()}
*/
private String activityName;
/**
* 商品 SPU 编号
*

28
yudao-module-mall/yudao-module-market-biz/src/main/java/cn/iocoder/yudao/module/market/service/price/PriceServiceImpl.java
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@ -107,33 +107,35 @@ public class PriceServiceImpl implements PriceService {
Integer memberPrice = memberDiscount != null ? (int) (orderItem.getPayPrice() * memberDiscount / 100) : null;
Integer promotionPrice = discountProduct != null ? discountProduct.getPromotionPrice() * orderItem.getCount() : null;
if (memberPrice == null) {
calculatePriceByDiscountActivity(priceCalculate, orderItem, discountProduct, promotionPrice);
} else if (promotionPrice == null) {
calculatePriceByMemberDiscount(orderItem, memberDiscount, memberPrice, priceCalculate);
calculatePriceByMemberDiscount(priceCalculate, orderItem, memberPrice);
} else if (memberPrice < promotionPrice) {
calculatePriceByDiscountActivity(priceCalculate, orderItem, discountProduct, promotionPrice);
} else {
calculatePriceByMemberDiscount(orderItem, memberDiscount, memberPrice, priceCalculate);
calculatePriceByMemberDiscount(priceCalculate, orderItem, memberPrice);
}
});
}
private void calculatePriceByMemberDiscount(PriceCalculateRespDTO.OrderItem orderItem,
Double memberDiscount, Integer memberPrice,
PriceCalculateRespDTO priceCalculate) {
private void calculatePriceByMemberDiscount(PriceCalculateRespDTO priceCalculate, PriceCalculateRespDTO.OrderItem orderItem,
Integer memberPrice) {
// 记录优惠明细
addPromotion(priceCalculate, orderItem, null,
PromotionTypeEnum.MEMBER.getName(),
addPromotion(priceCalculate, orderItem, null, PromotionTypeEnum.MEMBER.getName(),
PromotionTypeEnum.MEMBER.getType(), PromotionLevelEnum.SKU.getLevel(), memberPrice,
true, StrUtil.format("会员折扣：省 {} 元", formatPrice(orderItem.getPayPrice() - memberPrice)));
// 修改 SKU 的优惠
modifyOrderItemPayPrice(orderItem, memberPrice, priceCalculate);
}
private void calculatePriceByDiscountActivity(PriceCalculateRespDTO.OrderItem orderItem,
DiscountProductDO discountProduct, Integer promotionPrice,
PriceCalculateRespDTO priceCalculate) {
private void calculatePriceByDiscountActivity(PriceCalculateRespDTO priceCalculate, PriceCalculateRespDTO.OrderItem orderItem,
DiscountProductDO discountProduct, Integer promotionPrice) {
// 记录优惠明细
addPromotion(priceCalculate, orderItem, discountProduct.getActivityId(), discountProduct.getActivityName(),
PromotionTypeEnum.DISCOUNT_ACTIVITY.getType(), PromotionLevelEnum.SKU.getLevel(), promotionPrice,
true, StrUtil.format("限时折扣：省 {} 元", formatPrice(orderItem.getPayPrice() - promotionPrice)));
// 修改 SKU 的优惠
modifyOrderItemPayPrice(orderItem, promotionPrice, priceCalculate);
}
private void addPromotion(PriceCalculateRespDTO priceCalculate, PriceCalculateRespDTO.OrderItem orderItem,

88
yudao-module-mall/yudao-module-market-biz/src/test/java/cn/iocoder/yudao/module/market/service/price/PriceServiceTest.java
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@ -1,9 +1,11 @@
package cn.iocoder.yudao.module.market.service.price;
import cn.hutool.core.map.MapUtil;
import cn.iocoder.yudao.framework.common.util.collection.SetUtils;
import cn.iocoder.yudao.framework.test.core.ut.BaseMockitoUnitTest;
import cn.iocoder.yudao.module.market.api.price.dto.PriceCalculateReqDTO;
import cn.iocoder.yudao.module.market.api.price.dto.PriceCalculateRespDTO;
import cn.iocoder.yudao.module.market.dal.dataobject.discount.DiscountProductDO;
import cn.iocoder.yudao.module.market.enums.common.PromotionLevelEnum;
import cn.iocoder.yudao.module.market.enums.common.PromotionTypeEnum;
import cn.iocoder.yudao.module.market.service.discount.DiscountService;
@ -13,7 +15,9 @@ import org.junit.jupiter.api.Test;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import static cn.iocoder.yudao.framework.test.core.util.RandomUtils.randomLongId;
import static cn.iocoder.yudao.framework.test.core.util.RandomUtils.randomPojo;
import static java.util.Arrays.asList;
import static java.util.Collections.singletonList;
import static org.junit.jupiter.api.Assertions.*;
import static org.mockito.ArgumentMatchers.eq;
@ -55,8 +59,8 @@ public class PriceServiceTest extends BaseMockitoUnitTest {
assertEquals(order.getPayPrice(), 180);
assertNull(order.getCouponId());
// 断言 OrderItem 部分
PriceCalculateRespDTO.OrderItem orderItem = order.getItems().get(0);
assertEquals(order.getItems().size(), 1);
PriceCalculateRespDTO.OrderItem orderItem = order.getItems().get(0);
assertEquals(orderItem.getSkuId(), 10L);
assertEquals(orderItem.getCount(), 2);
assertEquals(orderItem.getOriginalPrice(), 200);
@ -66,8 +70,8 @@ public class PriceServiceTest extends BaseMockitoUnitTest {
assertEquals(orderItem.getOrderPartPrice(), 0);
assertEquals(orderItem.getOrderDividePrice(), 180);
// 断言 Promotion 部分
PriceCalculateRespDTO.Promotion promotion = priceCalculate.getPromotions().get(0);
assertEquals(priceCalculate.getPromotions().size(), 1);
PriceCalculateRespDTO.Promotion promotion = priceCalculate.getPromotions().get(0);
assertNull(promotion.getId());
assertEquals(promotion.getName(), "会员折扣");
assertEquals(promotion.getType(), PromotionTypeEnum.MEMBER.getType());
@ -83,4 +87,84 @@ public class PriceServiceTest extends BaseMockitoUnitTest {
assertEquals(promotionItem.getDiscountPrice(), 20);
}
@Test
public void testCalculatePrice_discountActivity() {
// 准备参数
PriceCalculateReqDTO calculateReqDTO = new PriceCalculateReqDTO().setUserId(randomLongId())
.setItems(asList(new PriceCalculateReqDTO.Item().setSkuId(10L).setCount(2),
new PriceCalculateReqDTO.Item().setSkuId(20L).setCount(3)));
// mock 方法(商品 SKU 信息)
ProductSkuRespDTO productSku01 = randomPojo(ProductSkuRespDTO.class, o -> o.setId(10L).setPrice(100));
ProductSkuRespDTO productSku02 = randomPojo(ProductSkuRespDTO.class, o -> o.setId(20L).setPrice(50));
when(productSkuApi.getSkuList(eq(SetUtils.asSet(10L, 20L)))).thenReturn(asList(productSku01, productSku02));
// mock 方法（限时折扣 DiscountActivity 信息）
DiscountProductDO discountProduct01 = randomPojo(DiscountProductDO.class, o -> o.setActivityId(1000L).setActivityName("活动 1000 号")
.setSkuId(10L).setPromotionPrice(80));
DiscountProductDO discountProduct02 = randomPojo(DiscountProductDO.class, o -> o.setActivityId(2000L).setActivityName("活动 2000 号")
.setSkuId(20L).setPromotionPrice(40));
when(discountService.getMatchDiscountProducts(eq(SetUtils.asSet(10L, 20L)))).thenReturn(
MapUtil.builder(10L, discountProduct01).put(20L, discountProduct02).map());
// 调用
PriceCalculateRespDTO priceCalculate = priceService.calculatePrice(calculateReqDTO);
// 断言 Order 部分
PriceCalculateRespDTO.Order order = priceCalculate.getOrder();
assertEquals(order.getOriginalPrice(), 350);
assertEquals(order.getDiscountPrice(), 0);
assertEquals(order.getPointPrice(), 0);
assertEquals(order.getDeliveryPrice(), 0);
assertEquals(order.getPayPrice(), 280);
assertNull(order.getCouponId());
// 断言 OrderItem 部分
assertEquals(order.getItems().size(), 2);
PriceCalculateRespDTO.OrderItem orderItem01 = order.getItems().get(0);
assertEquals(orderItem01.getSkuId(), 10L);
assertEquals(orderItem01.getCount(), 2);
assertEquals(orderItem01.getOriginalPrice(), 200);
assertEquals(orderItem01.getOriginalUnitPrice(), 100);
assertEquals(orderItem01.getDiscountPrice(), 40);
assertEquals(orderItem01.getPayPrice(), 160);
assertEquals(orderItem01.getOrderPartPrice(), 0);
assertEquals(orderItem01.getOrderDividePrice(), 160);
PriceCalculateRespDTO.OrderItem orderItem02 = order.getItems().get(1);
assertEquals(orderItem02.getSkuId(), 20L);
assertEquals(orderItem02.getCount(), 3);
assertEquals(orderItem02.getOriginalPrice(), 150);
assertEquals(orderItem02.getOriginalUnitPrice(), 50);
assertEquals(orderItem02.getDiscountPrice(), 30);
assertEquals(orderItem02.getPayPrice(), 120);
assertEquals(orderItem02.getOrderPartPrice(), 0);
assertEquals(orderItem02.getOrderDividePrice(), 120);
// 断言 Promotion 部分
assertEquals(priceCalculate.getPromotions().size(), 2);
PriceCalculateRespDTO.Promotion promotion01 = priceCalculate.getPromotions().get(0);
assertEquals(promotion01.getId(), 1000L);
assertEquals(promotion01.getName(), "活动 1000 号");
assertEquals(promotion01.getType(), PromotionTypeEnum.DISCOUNT_ACTIVITY.getType());
assertEquals(promotion01.getLevel(), PromotionLevelEnum.SKU.getLevel());
assertEquals(promotion01.getOriginalPrice(), 200);
assertEquals(promotion01.getDiscountPrice(), 40);
assertTrue(promotion01.getMeet());
assertEquals(promotion01.getMeetTip(), "限时折扣：省 0.40 元");
PriceCalculateRespDTO.PromotionItem promotionItem01 = promotion01.getItems().get(0);
assertEquals(promotion01.getItems().size(), 1);
assertEquals(promotionItem01.getSkuId(), 10L);
assertEquals(promotionItem01.getOriginalPrice(), 200);
assertEquals(promotionItem01.getDiscountPrice(), 40);
PriceCalculateRespDTO.Promotion promotion02 = priceCalculate.getPromotions().get(1);
assertEquals(promotion02.getId(), 2000L);
assertEquals(promotion02.getName(), "活动 2000 号");
assertEquals(promotion02.getType(), PromotionTypeEnum.DISCOUNT_ACTIVITY.getType());
assertEquals(promotion02.getLevel(), PromotionLevelEnum.SKU.getLevel());
assertEquals(promotion02.getOriginalPrice(), 150);
assertEquals(promotion02.getDiscountPrice(), 30);
assertTrue(promotion02.getMeet());
assertEquals(promotion02.getMeetTip(), "限时折扣：省 0.30 元");
PriceCalculateRespDTO.PromotionItem promotionItem02 = promotion02.getItems().get(0);
assertEquals(promotion02.getItems().size(), 1);
assertEquals(promotionItem02.getSkuId(), 20L);
assertEquals(promotionItem02.getOriginalPrice(), 150);
assertEquals(promotionItem02.getDiscountPrice(), 30);
}
}