删除套餐

sky-server/src/main/java/com/sky/controller/admin/SetmealController.java

@@ -11,6 +11,7 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.web.bind.annotation.*;
 
 import javax.annotation.Resource;
+import java.util.List;
 
 @RestController
 @RequestMapping("/admin/setmeal")
@@ -59,4 +60,17 @@ public class SetmealController {
         setmealService.startOrStop(status, id);
         return Result.success();
     }
+
+    /**
+     * 批量删除套餐
+     *
+     * @param ids 删除集合
+     * @return Null
+     */
+    @ApiOperation("批量删除套餐")
+    @DeleteMapping("")
+    public Result delete(@RequestParam List<Long> ids) {
+        setmealService.delete(ids);
+        return Result.success();
+    }
 }

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

@@ -52,4 +52,11 @@ public interface SetMealDishMapper {
      * @return Page<SetmealVO>
      */
     Page<SetmealVO> pageQuery(SetmealPageQueryDTO setmealPageQueryDTO);
+
+    /**
+     * 根据套餐id删除套餐和菜品的关联关系
+     *
+     * @param setmealId Long
+     */
+    void deleteBySetmealId(Long setmealId);
 }

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

@@ -49,4 +49,20 @@ public interface SetmealMapper {
      */
     @AutoFill(OperationType.UPDATE)
     void update(Setmeal setmeal);
+
+
+    /**
+     * 根据id获取套餐
+     *
+     * @param id Long
+     * @return Setmeal
+     */
+    Setmeal getById(Long id);
+
+    /**
+     * 删除套餐表中的数据
+     *
+     * @param setmealId Long
+     */
+    void deleteById(Long setmealId);
 }

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

@@ -49,4 +49,11 @@ public interface SetmealService {
      * @param id     Long
      */
     void startOrStop(Integer status, Long id);
+
+    /**
+     * 批量删除套餐
+     *
+     * @param ids List<Long>
+     */
+    void delete(List<Long> ids);
 }

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

@@ -9,6 +9,7 @@ import com.sky.dto.SetmealPageQueryDTO;
 import com.sky.entity.Dish;
 import com.sky.entity.Setmeal;
 import com.sky.entity.SetmealDish;
+import com.sky.exception.DeletionNotAllowedException;
 import com.sky.exception.SetmealEnableFailedException;
 import com.sky.mapper.DishMapper;
 import com.sky.mapper.SetMealDishMapper;
@@ -119,4 +120,28 @@ public class SetmealServiceImpl implements SetmealService {
         Setmeal setmeal = Setmeal.builder().id(id).status(status).build();
         setmealMapper.update(setmeal);
     }
+
+    /**
+     * 批量删除套餐
+     *
+     * @param ids List<Long>
+     */
+    @Override
+    public void delete(List<Long> ids) {
+        ids.forEach(id -> {
+            // 根据id获取套餐
+            Setmeal setmeal = setmealMapper.getById(id);
+            // 起售中商品不能删除
+            if (setmeal.getStatus().equals(StatusConstant.ENABLE)) {
+                throw new DeletionNotAllowedException(MessageConstant.SETMEAL_ON_SALE);
+            }
+        });
+
+        ids.forEach(setmealId -> {
+            // 删除套餐表中的数据
+            setmealMapper.deleteById(setmealId);
+            // 删除套餐菜品关系表中的数据
+            setmealDishMapper.deleteBySetmealId(setmealId);
+        });
+    }
 }

sky-server/src/main/resources/mapper/SetMealDishMapper.xml

@@ -44,6 +44,13 @@
         where id = #{id}
     </update>
 
+    <!-- 根据套餐id删除套餐和菜品的关联关系 -->
+    <delete id="deleteBySetmealId">
+        delete
+        from setmeal_dish
+        where setmeal_id = #{setmealId}
+    </delete>
+
     <!-- 查询对应套餐id -->
     <select id="getSetMealDishIds" resultType="java.lang.Long">
         select *

sky-server/src/main/resources/mapper/SetmealMapper.xml

@@ -48,6 +48,13 @@
         where id = #{id};
     </update>
 
+    <!-- 根据套餐id删除套餐和菜品的关联关系 -->
+    <delete id="deleteById">
+        delete
+        from setmeal
+        where id = #{id}
+    </delete>
+
     <!-- 根据分类id查询套餐的数量 -->
     <select id="countByCategoryId" resultType="java.lang.Integer">
         select count(id)
@@ -78,4 +85,11 @@
                  left join dish d on sd.dish_id = d.id
         where sd.setmeal_id = #{setmealId}
     </select>
+
+    <!-- 根据id获取套餐 -->
+    <select id="getById" resultType="com.sky.entity.Setmeal">
+        select *
+        from setmeal
+        where id = #{id}
+    </select>
 </mapper>