修改菜品

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

@@ -3,6 +3,7 @@ package com.sky.service;
 import com.sky.dto.DishDTO;
 import com.sky.dto.DishPageQueryDTO;
 import com.sky.result.PageResult;
+import com.sky.vo.DishVO;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
@@ -28,4 +29,17 @@ public interface DishService {
      * @param ids
      */
     void deleteBatch(List<Long> ids);
+
+    /**
+     * 根据id查询菜品及口味
+     * @param id
+     * @return
+     */
+    DishVO getByIdWithFlavor(Long id);
+
+    /**
+     * 修改菜品基本信息（及口味）
+     * @param dishDTO
+     */
+    void updateWithFlavor(DishDTO dishDTO);
 }

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

@@ -64,6 +64,7 @@ public class DishServiceImpl implements DishService {
 
     /**
      * 菜品分页查询
+     *
      * @param pageQueryDTO
      * @return
      */
@@ -72,11 +73,12 @@ public class DishServiceImpl implements DishService {
         //设置分页
         PageHelper.startPage(pageQueryDTO.getPage(), pageQueryDTO.getPageSize());
         Page<DishVO> page = dishMapper.pageQuery(pageQueryDTO);
-        return new PageResult(page.getTotal(),page.getResult());
+        return new PageResult(page.getTotal(), page.getResult());
     }
 
     /**
      * 菜品批量删除
+     *
      * @param ids
      */
     @Override
@@ -86,20 +88,69 @@ public class DishServiceImpl implements DishService {
         //是否有起售中菜品
         for (Long id : ids) {
             Dish dish = dishMapper.selectById(id);
-            if (dish.getStatus().equals(StatusConstant.ENABLE)){
+            if (dish.getStatus().equals(StatusConstant.ENABLE)) {
                 throw new DeletionNotAllowedException(MessageConstant.DISH_ON_SALE);
             }
         }
         //是否关联套餐
         List<Long> setmealIds = setmealDishMapper.getSetmealIdsByDishIds(ids);
-        if (setmealIds != null && !setmealIds.isEmpty()){
+        if (setmealIds != null && !setmealIds.isEmpty()) {
             throw new DeletionNotAllowedException(MessageConstant.DISH_BE_RELATED_BY_SETMEAL);
         }
         //删除菜品
-        for (Long id : ids) {
+        /*for (Long id : ids) {
             dishMapper.deleteById(id);
             //删除菜品口味
             dishFlavorMapper.deleteByDishId(id);
+        }*/
+        dishMapper.deleteByIds(ids);
+        dishFlavorMapper.deleteByDishIds(ids);
+    }
+
+    /**
+     * 根据id查询菜品及口味
+     *
+     * @param id
+     * @return
+     */
+    @Override
+    public DishVO getByIdWithFlavor(Long id) {
+        //根据id查询菜品
+        Dish dish = dishMapper.selectById(id);
+
+        //根据菜品id查询口味
+        List<DishFlavor> dishFlavors = dishFlavorMapper.getByDishId(id);
+
+        //封装到DishVO对象
+        DishVO dishVO = new DishVO();
+        BeanUtils.copyProperties(dish, dishVO);
+        dishVO.setFlavors(dishFlavors);
+
+        return dishVO;
+    }
+
+    /**
+     * 修改菜品基本信息（及口味）
+     *
+     * @param dishDTO
+     */
+    @Override
+    public void updateWithFlavor(DishDTO dishDTO) {
+        //修改菜品基本信息
+        Dish dish = new Dish();
+        BeanUtils.copyProperties(dishDTO, dish);
+        dishMapper.update(dish);
+
+        //删除原有口味数据
+        dishFlavorMapper.deleteByDishId(dishDTO.getId());
+
+        //重新插入新的口味数据
+        List<DishFlavor> flavors = dishDTO.getFlavors();
+        if (flavors != null && !flavors.isEmpty()) {
+            //设置dishId
+            flavors.forEach(dishFlavor -> dishFlavor.setDishId(dish.getId()));
+            //插入新的口味数据
+            dishFlavorMapper.insertBatch(flavors);
         }
     }
 }