show the shopping cart of current user

sky-server/src/main/java/com/sky/controller/user/ShoppingCartController.java

@@ -1,16 +1,16 @@
 package com.sky.controller.user;
 
 import com.sky.dto.ShoppingCartDTO;
+import com.sky.entity.ShoppingCart;
 import com.sky.result.Result;
 import com.sky.service.ShoppingCartService;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
 
 @RestController
 @RequestMapping("/user/shoppingCart")
@@ -35,4 +35,15 @@ public class ShoppingCartController {
         shoppingCartService.addIntoShoppingCart(shoppingCartDTO);
         return Result.success();
     }
+
+    /**
+     * list the shopping cart of current user
+     * @return
+     */
+    @GetMapping("/list")
+    @ApiOperation("list shopping cart")
+    public Result<List<ShoppingCart>> list(){
+        List<ShoppingCart> list = shoppingCartService.listShoppingCart();
+        return Result.success(list);
+    }
 }

sky-server/src/main/java/com/sky/service/ShoppingCartService.java

@@ -1,8 +1,11 @@
 package com.sky.service;
 
 import com.sky.dto.ShoppingCartDTO;
+import com.sky.entity.ShoppingCart;
 import org.springframework.stereotype.Service;
 
+import java.util.List;
+
 @Service
 public interface ShoppingCartService {
 
@@ -13,4 +16,10 @@ public interface ShoppingCartService {
      *                        It includes dishId, setmealId, and dishFlavor necessary for identifying and customizing the item.
      */
     void addIntoShoppingCart(ShoppingCartDTO shoppingCartDTO);
+
+    /**
+     * list shopping cart of current user
+     * @return
+     */
+    List<ShoppingCart> listShoppingCart();
 }

sky-server/src/main/java/com/sky/service/impl/ShoppingCartServiceImpl.java

@@ -15,6 +15,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 import java.time.LocalDateTime;
+import java.util.Collections;
 import java.util.List;
 
 @Service
@@ -71,4 +72,16 @@ public class ShoppingCartServiceImpl implements ShoppingCartService {
             shoppingCartMapper.insert(shoppingCart);
         }
     }
+
+    /**
+     * list shopping cart
+     * @return
+     */
+    @Override
+    public List<ShoppingCart> listShoppingCart() {
+        ShoppingCart shoppingCart = ShoppingCart.builder()
+                .userId(BaseContext.getCurrentId())
+                .build();
+        return shoppingCartMapper.list(shoppingCart);
+    }
 }