feat(新增): 查询购物车

Signed-off-by: bunny <1319900154@qq.com>

spzx-server-gateway/src/main/resources/application.yml

@@ -47,6 +47,10 @@ spring:
           uri: lb://service-order
           predicates:
             - Path=/*/order/**
+        - id: service-cart
+          uri: lb://service-cart
+          predicates:
+            - Path=/*/order/cart/**
   data:
     redis:
       host: ${bunny.redis.host}

spzx-service/service-cart/src/main/java/com/atguigu/cart/controller/CartController.java

@@ -1,7 +1,9 @@
 package com.atguigu.cart.controller;
 
 import com.atguigu.cart.service.CartService;
+import com.atguigu.spzx.model.entity.h5.CartInfo;
 import com.atguigu.spzx.model.vo.result.Result;
+import com.atguigu.spzx.model.vo.result.ResultCodeEnum;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
@@ -11,6 +13,8 @@ import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.util.List;
+
 @Tag(name = "购物车接口")
 @RestController
 @RequestMapping("api/order/cart")
@@ -25,4 +29,11 @@ public class CartController {
         cartService.addToCart(skuId, skuNum);
         return Result.success();
     }
+
+    @Operation(summary = "查询购物车")
+    @GetMapping("auth/cartList")
+    public Result<List<CartInfo>> cartList() {
+        List<CartInfo> cartInfoList = cartService.getCartList();
+        return Result.build(cartInfoList, ResultCodeEnum.SUCCESS);
+    }
 }

spzx-service/service-cart/src/main/java/com/atguigu/cart/service/CartService.java

@@ -1,5 +1,9 @@
 package com.atguigu.cart.service;
 
+import com.atguigu.spzx.model.entity.h5.CartInfo;
+
+import java.util.List;
+
 public interface CartService {
     /**
      * 添加购物车
@@ -8,4 +12,11 @@ public interface CartService {
      * @param skuNum 商品数量
      */
     void addToCart(Long skuId, Integer skuNum);
+
+    /**
+     * 查询购物车
+     *
+     * @return 购物车列表
+     */
+    List<CartInfo> getCartList();
 }

spzx-service/service-cart/src/main/java/com/atguigu/cart/service/impl/CartServiceImpl.java

@@ -1,6 +1,7 @@
 package com.atguigu.cart.service.impl;
 
 import com.alibaba.fastjson.JSON;
+import com.alibaba.nacos.client.naming.utils.CollectionUtils;
 import com.atguigu.cart.service.CartService;
 import com.atguigu.context.BaseContext;
 import com.atguigu.feign.product.ProductFeignClient;
@@ -11,7 +12,10 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.stereotype.Service;
 
+import java.util.ArrayList;
 import java.util.Date;
+import java.util.List;
+import java.util.stream.Collectors;
 
 @Service
 public class CartServiceImpl implements CartService {
@@ -61,4 +65,27 @@ public class CartServiceImpl implements CartService {
         // 将商品数据存储到购物车中
         redisTemplate.opsForHash().put(cartKey, String.valueOf(skuId), JSON.toJSONString(cartInfo));
     }
+
+    /**
+     * 查询购物车
+     *
+     * @return 购物车列表
+     */
+    @Override
+    public List<CartInfo> getCartList() {
+        // 获取当前登录的用户信息
+        Long userId = BaseContext.getUserInfo().getId();
+        String cartKey = userId.toString();
+
+        // 获取数据
+        List<Object> cartInfoList = redisTemplate.opsForHash().values(cartKey);
+
+        if (!CollectionUtils.isEmpty(cartInfoList)) {
+            return cartInfoList.stream().map(cartInfoJSON -> JSON.parseObject(cartInfoJSON.toString(), CartInfo.class))
+                    .sorted((o1, o2) -> o2.getCreateTime().compareTo(o1.getCreateTime()))
+                    .collect(Collectors.toList());
+        }
+
+        return new ArrayList<>();
+    }
 }