删除套餐业务功能开发

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

@@ -10,6 +10,8 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.List;
+
 @RestController
 @Slf4j
 @RequestMapping("/admin/setmeal")
@@ -39,4 +41,28 @@ public class SetmealController {
         PageResult pageResult=setmealService.pageQuery(setmealPageQueryDTO);
         return Result.success(pageResult);
     }
+
+
+    /**
+     * 批量删除套餐
+     * @param ids
+     * @return
+     */
+    @DeleteMapping
+    public Result delete(@RequestParam List<Long> ids){
+        setmealService.delete(ids);
+        return Result.success();
+    }
+
+
+
+
+
+
+
+
+
+
+
 }
+

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

@@ -2,6 +2,7 @@ package com.sky.mapper;
 
 
 import com.sky.entity.SetmealDish;
+import org.apache.ibatis.annotations.Delete;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Select;
 
@@ -25,4 +26,11 @@ public interface SetmealDishMapper {
      * @param setmealDishes
      */
     void insertBatch(List<SetmealDish> setmealDishes);
+
+    /**
+     * 根据套餐id删除套餐和菜品的关联关系
+     * @param setmealId
+     */
+    @Delete("delete from setmeal_dish where setmeal_id = #{setmealId}")
+    void deleteBySetmealId(Long setmealId);
 }

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

@@ -7,6 +7,7 @@ import com.sky.dto.SetmealPageQueryDTO;
 import com.sky.entity.Setmeal;
 import com.sky.enumeration.OperationType;
 import com.sky.vo.SetmealVO;
+import org.apache.ibatis.annotations.Delete;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Select;
 
@@ -43,4 +44,21 @@ public interface SetmealMapper {
      * @return
      */
     Page<SetmealVO> pageQuery(SetmealPageQueryDTO setmealPageQueryDTO);
+
+    /**
+     * 根据id查询
+     * @param id
+     * @return
+     */
+    @Select("select * from setmeal where id = #{id}")
+    Setmeal getById(Long id);
+
+
+
+    /**
+     * 根据id删除套餐
+     * @param id
+     */
+    @Delete("delete from setmeal where  id =#{id}")
+    void deleteById(Long id);
 }

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

@@ -4,6 +4,8 @@ import com.sky.dto.SetmealDTO;
 import com.sky.dto.SetmealPageQueryDTO;
 import com.sky.result.PageResult;
 
+import java.util.List;
+
 public interface SetmealService {
 
     /**
@@ -18,4 +20,10 @@ public interface SetmealService {
      * @return
      */
     PageResult pageQuery(SetmealPageQueryDTO setmealPageQueryDTO);
+
+    /**
+     * 批量删除套餐
+     * @param ids
+     */
+    void delete(List<Long> ids);
 }

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

@@ -2,10 +2,13 @@ package com.sky.service.impl;
 
 import com.github.pagehelper.Page;
 import com.github.pagehelper.PageHelper;
+import com.sky.constant.MessageConstant;
+import com.sky.constant.StatusConstant;
 import com.sky.dto.SetmealDTO;
 import com.sky.dto.SetmealPageQueryDTO;
 import com.sky.entity.Setmeal;
 import com.sky.entity.SetmealDish;
+import com.sky.exception.DeletionNotAllowedException;
 import com.sky.mapper.DishMapper;
 import com.sky.mapper.SetmealDishMapper;
 import com.sky.mapper.SetmealMapper;
@@ -15,6 +18,7 @@ import com.sky.vo.SetmealVO;
 import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.util.List;
 
@@ -65,4 +69,27 @@ public class SetmealServiceImpl implements SetmealService {
         Page<SetmealVO> page = setmealMapper.pageQuery(setmealPageQueryDTO);
         return new PageResult(page.getTotal(), page.getResult());
     }
+
+
+    /**
+     * 批量删除套餐
+     * @param ids
+     */
+    @Transactional
+    @Override
+    public void delete(List<Long> ids) {
+        ids.forEach(id -> {
+            Setmeal setmeal = setmealMapper.getById(id);
+            if (setmeal.getStatus() == StatusConstant.ENABLE){
+                //起售中的套餐不能删除
+                throw new DeletionNotAllowedException(MessageConstant.SETMEAL_ON_SALE);
+            }
+        });
+        ids.forEach(id -> {
+            //删除套餐表中的数据
+            setmealMapper.deleteById(id);
+            //删除套餐菜品关系表中的数据
+            setmealDishMapper.deleteBySetmealId(id);
+        });
+    }
 }