修改菜品

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

@@ -75,4 +75,17 @@ public class DishController {
         DishVO dishVO = dishService.getByIdWithFlavor(id);
         return Result.success(dishVO);
     }
+
+    /**
+     * 修改菜品
+     * @param dishDTO DishDTO
+     * @return Result<String>
+     */
+    @ApiOperation("修改菜品")
+    @PutMapping()
+    public Result<String> update(@RequestBody DishDTO dishDTO) {
+        log.info("修改菜品：{}", dishDTO);
+        dishService.updateWithFlavor(dishDTO);
+        return Result.success();
+    }
 }

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

@@ -55,4 +55,11 @@ public interface DishMapper {
      * @param ids List<Long>
      */
     void deleteByIds(List<Long> ids);
+
+    /**
+     * 删除原有口味数据
+     * @param dish Dish
+     */
+    @AutoFill(value = OperationType.UPDATE)
+    void update(Dish dish);
 }

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

@@ -34,4 +34,10 @@ public interface DishService {
      * @return DishVO
      */
     DishVO getByIdWithFlavor(Long id);
+
+    /**
+     * 修改菜品
+     * @param dishDTO DishDTO
+     */
+    void updateWithFlavor(DishDTO dishDTO);
 }

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

@@ -13,12 +13,15 @@ import com.sky.mapper.DishFlavorMapper;
 import com.sky.mapper.DishMapper;
 import com.sky.mapper.SetMealDishMapper;
 import com.sky.result.PageResult;
+import com.sky.result.Result;
 import com.sky.service.DishService;
 import com.sky.vo.DishVO;
+import io.swagger.annotations.ApiOperation;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.BeanUtils;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.web.bind.annotation.PutMapping;
 
 import javax.annotation.Resource;
 import java.util.List;
@@ -117,4 +120,29 @@ public class DishServiceImpl implements DishService {
 
         return dishVO;
     }
+
+    /**
+     * 修改菜品
+     *
+     * @param dishDTO DishDTO
+     */
+    @Override
+    public void updateWithFlavor(DishDTO dishDTO) {
+        // 修改菜品基本信息
+        Dish dish = new Dish();
+        BeanUtils.copyProperties(dishDTO, dish);
+        // 删除原有口味数据
+        dishMapper.update(dish);
+        // 重新插入口味数据
+        dishFlavorMapper.deleteByDishId(dishDTO.getId());
+        // 重新插入新的口味数据
+        List<DishFlavor> flavors = dishDTO.getFlavors();
+        if (flavors != null && !flavors.isEmpty()) {
+            flavors.forEach(dishFlavor -> {
+                dishFlavor.setDishId(dishDTO.getId());
+            });
+            // 向表中插入n条数据
+            dishFlavorMapper.insertBatch(flavors);
+        }
+    }
 }

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

@@ -10,6 +10,38 @@
                 #{updateTime}, #{createUser}, #{updateUser});
     </insert>
 
+    <!-- 删除原有口味数据 -->
+    <update id="update">
+        update dish
+        <set>
+            <if test="name != null">
+                name = #{name},
+            </if>
+            <if test="categoryId != null">
+                category_id = #{categoryId},
+            </if>
+            <if test="price != null">
+                price = #{price},
+            </if>
+            <if test="image != null">
+                image = #{image},
+            </if>
+            <if test="description != null">
+                description = #{description},
+            </if>
+            <if test="status != null">
+                status = #{status},
+            </if>
+            <if test="updateTime != null">
+                update_time = #{updateTime},
+            </if>
+            <if test="updateUser != null">
+                update_user = #{updateUser},
+            </if>
+        </set>
+        where id = #{id}
+    </update>
+
     <!-- 删除菜品表中的菜品数据 -->
     <delete id="deleteById">
         delete