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Price 价格服务的编写

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This commit is contained in:
YunaiV
2020-08-15 15:37:53 +08:00
parent 5122b68aca
commit 8818b350d6
26 changed files with 330 additions and 60 deletions
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2
shop-web-app/src/main/java/cn/iocoder/mall/shopweb/controller/order/CartController.java
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@@ -44,7 +44,7 @@ public class CartController {
@GetMapping("/get-detail")
@ApiOperation("查询用户的购物车的商品列表")
public CommonResult<CartDetailVO> getCartDetail() {
return success(cartManager.getCartDetail());
return success(cartManager.getCartDetail(UserSecurityContextHolder.getUserId()));
}
}

7
shop-web-app/src/main/java/cn/iocoder/mall/shopweb/convert/order/CartConvert.java
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@@ -1,5 +1,8 @@
package cn.iocoder.mall.shopweb.convert.order;
import cn.iocoder.mall.productservice.rpc.sku.dto.ProductSkuRespDTO;
import cn.iocoder.mall.promotion.api.rpc.price.dto.PriceProductCalcRespDTO;
import cn.iocoder.mall.shopweb.controller.order.vo.cart.CartDetailVO;
import org.mapstruct.Mapper;
import org.mapstruct.factory.Mappers;
@@ -8,4 +11,8 @@ public interface CartConvert {
CartConvert INSTANCE = Mappers.getMapper(CartConvert.class);
CartDetailVO.Fee convert(PriceProductCalcRespDTO.Fee bean);
CartDetailVO.Sku convert(PriceProductCalcRespDTO.Item item, ProductSkuRespDTO sku);
}

72
shop-web-app/src/main/java/cn/iocoder/mall/shopweb/manager/order/cart/CartManager.java
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@@ -6,15 +6,22 @@ import cn.iocoder.mall.orderservice.rpc.cart.CartRpc;
import cn.iocoder.mall.orderservice.rpc.cart.dto.CartItemAddReqDTO;
import cn.iocoder.mall.orderservice.rpc.cart.dto.CartItemListReqDTO;
import cn.iocoder.mall.orderservice.rpc.cart.dto.CartItemRespDTO;
import cn.iocoder.mall.productservice.enums.sku.ProductSkuDetailFieldEnum;
import cn.iocoder.mall.productservice.rpc.sku.ProductSkuRpc;
import cn.iocoder.mall.productservice.rpc.sku.dto.ProductSkuListQueryReqDTO;
import cn.iocoder.mall.productservice.rpc.sku.dto.ProductSkuRespDTO;
import cn.iocoder.mall.promotion.api.rpc.activity.PromotionActivityRpc;
import cn.iocoder.mall.promotion.api.rpc.activity.dto.PromotionActivityListReqDTO;
import cn.iocoder.mall.promotion.api.rpc.activity.dto.PromotionActivityRespDTO;
import cn.iocoder.mall.promotion.api.rpc.price.PriceRpc;
import cn.iocoder.mall.promotion.api.rpc.price.dto.PriceProductCalcReqDTO;
import cn.iocoder.mall.promotion.api.rpc.price.dto.PriceProductCalcRespDTO;
import cn.iocoder.mall.shopweb.controller.order.vo.cart.CartDetailVO;
import cn.iocoder.mall.shopweb.convert.order.CartConvert;
import org.apache.dubbo.config.annotation.DubboReference;
import org.springframework.stereotype.Service;
import java.util.Collections;
import java.util.List;
import java.util.*;
import java.util.stream.Collectors;
/**
@@ -27,6 +34,10 @@ public class CartManager {
private CartRpc cartRpc;
@DubboReference(version = "${dubbo.consumer.PriceRpc.version}")
private PriceRpc priceRpc;
@DubboReference(version = "${dubbo.consumer.PromotionActivityRpc.version}")
private PromotionActivityRpc promotionActivityRpc;
@DubboReference(version = "${dubbo.consumer.ProductSkuRpc.version}")
private ProductSkuRpc productSkuRpc;
/**
* 添加商品到购物车
@@ -72,14 +83,63 @@ public class CartManager {
// 计算选中的商品价格
CommonResult<PriceProductCalcRespDTO> calcProductPriceResult = priceRpc.calcProductPrice(new PriceProductCalcReqDTO().setUserId(userId)
.setItems(listCartItemsResult.getData().stream()
.filter(CartItemRespDTO::getSelected)
.map(cartItem -> new PriceProductCalcReqDTO.Item(cartItem.getSkuId(), cartItem.getQuantity()))
.map(cartItem -> new PriceProductCalcReqDTO.Item(cartItem.getSkuId(), cartItem.getQuantity(), cartItem.getSelected()))
.collect(Collectors.toList())));
calcProductPriceResult.checkError();
// 获得促销活动信息
Map<Integer, PromotionActivityRespDTO> promotionActivityMap = this.getPromotionActivityMap(calcProductPriceResult.getData());
// 获得商品 SKU 信息
Map<Integer, ProductSkuRespDTO> productSkuMap = this.getProductSkuMap(listCartItemsResult.getData());
// 拼接结果
CartDetailVO cartDetailVO = new CartDetailVO();
cartDetailVO.setFee(CartConvert.INSTANCE.convert(calcProductPriceResult.getData().getFee()));
cartDetailVO.setItemGroups(new ArrayList<>());
calcProductPriceResult.getData().getItemGroups().forEach(itemGroupDTO -> {
CartDetailVO.ItemGroup itemGroupVO = new CartDetailVO.ItemGroup();
cartDetailVO.getItemGroups().add(itemGroupVO);
// 活动信息
if (itemGroupDTO.getActivityId() != null) {
itemGroupVO.setActivity(promotionActivityMap.get(itemGroupDTO.getActivityId()))
.setActivityDiscountTotal(itemGroupDTO.getActivityDiscountTotal());
}
// 商品 SKU 信息
itemGroupVO.setItems(new ArrayList<>());
itemGroupDTO.getItems().forEach(item -> {
itemGroupVO.getItems().add(CartConvert.INSTANCE.convert(item, productSkuMap.get(item.getSkuId())));
});
});
return cartDetailVO;
}
// 执行数据拼装
return null;
private Map<Integer, PromotionActivityRespDTO> getPromotionActivityMap(PriceProductCalcRespDTO calcRespDTO) {
// 获得所有促销活动编号
Set<Integer> activeIds = new HashSet<>();
calcRespDTO.getItemGroups().forEach(itemGroup -> {
if (itemGroup.getActivityId() != null) {
activeIds.add(itemGroup.getActivityId());
}
itemGroup.getItems().forEach(item -> {
if (item.getActivityId() != null) {
activeIds.add(item.getActivityId());
}
});
});
if (!CollectionUtils.isEmpty(activeIds)) {
return Collections.emptyMap();
}
// 查询促销活动列表
CommonResult<List<PromotionActivityRespDTO>> listPromotionActivitiesResult =
promotionActivityRpc.listPromotionActivities(new PromotionActivityListReqDTO().setActiveIds(activeIds));
listPromotionActivitiesResult.checkError();
return CollectionUtils.convertMap(listPromotionActivitiesResult.getData(), PromotionActivityRespDTO::getId);
}
private Map<Integer, ProductSkuRespDTO> getProductSkuMap(List<CartItemRespDTO> itemRespDTOs) {
CommonResult<List<ProductSkuRespDTO>> listProductSkusResult = productSkuRpc.listProductSkus(new ProductSkuListQueryReqDTO()
.setProductSkuIds(CollectionUtils.convertSet(itemRespDTOs, CartItemRespDTO::getSkuId))
.setFields(Arrays.asList(ProductSkuDetailFieldEnum.SPU.getField(), ProductSkuDetailFieldEnum.ATTR.getField())));
listProductSkusResult.checkError();
return CollectionUtils.convertMap(listProductSkusResult.getData(), ProductSkuRespDTO::getId);
}
}

1
shop-web-app/src/main/java/cn/iocoder/mall/shopweb/manager/order/package-info.java
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@@ -1 +0,0 @@
package cn.iocoder.mall.shopweb.manager.order;

2
shop-web-app/src/main/resources/application.yml
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@@ -41,6 +41,8 @@ dubbo:
version: 1.0.0
PriceRpc:
version: 1.0.0
PromotionActivityRpc:
version: 1.0.0
# Swagger 配置项
swagger: