clean shopping cart

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

@@ -43,7 +43,16 @@ public class ShoppingCartController {
     @GetMapping("/list")
     @ApiOperation("list shopping cart")
     public Result<List<ShoppingCart>> list(){
+        log.info("list shopping cart");
         List<ShoppingCart> list = shoppingCartService.listShoppingCart();
         return Result.success(list);
     }
+
+    @DeleteMapping("/clean")
+    @ApiOperation("clean the shopping cart")
+    public Result clean(){
+        log.info("clean shopping cart");
+        shoppingCartService.cleanShoppingCart();
+        return Result.success();
+    }
 }

sky-server/src/main/java/com/sky/mapper/ShoppingCartMapper.java

@@ -1,6 +1,7 @@
 package com.sky.mapper;
 
 import com.sky.entity.ShoppingCart;
+import org.apache.ibatis.annotations.Delete;
 import org.apache.ibatis.annotations.Insert;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Update;
@@ -37,4 +38,11 @@ public interface ShoppingCartMapper {
     @Insert("insert into sky_take_out.shopping_cart(name, image, user_id, dish_id, setmeal_id, dish_flavor, amount, create_time) " +
             "values (#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{amount},#{createTime})")
     void insert(ShoppingCart shoppingCart);
+
+    /**
+     * clean shopping cart
+     * @param userId
+     */
+    @Delete("delete from sky_take_out.shopping_cart where user_id = #{userId}")
+    void clean(Long userId);
 }

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

@@ -22,4 +22,9 @@ public interface ShoppingCartService {
      * @return
      */
     List<ShoppingCart> listShoppingCart();
+
+    /**
+     * clean shopping cart
+     */
+    void cleanShoppingCart();
 }

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

@@ -84,4 +84,14 @@ public class ShoppingCartServiceImpl implements ShoppingCartService {
                 .build();
         return shoppingCartMapper.list(shoppingCart);
     }
+
+
+    /**
+     * clean shopping cart
+     */
+    @Override
+    public void cleanShoppingCart() {
+        Long userId = BaseContext.getCurrentId();
+        shoppingCartMapper.clean(userId);
+    }
 }