content: package com.sky.mapper;
  
  import com.github.pagehelper.Page;
  import com.sky.annotation.AutoFill;
  import com.sky.dto.SetmealPageQueryDTO;
  import com.sky.entity.Setmeal;
  import com.sky.enumeration.OperationType;
  import com.sky.vo.DishItemVO;
  import com.sky.vo.DishVO;
  import com.sky.vo.SetmealVO;
  import org.apache.ibatis.annotations.Delete;
  import org.apache.ibatis.annotations.Mapper;
  import org.apache.ibatis.annotations.Select;
  
  import java.util.List;
  
  /**
   * @version 1.0
   * @Author Imak
   * @Date 2024/8/6 20:38
   * @注释
   */
  
  /**
   * 套餐的持久层
   */
  @Mapper
  public interface SetmealMapper {
      /**
       * 根据分类id查询套餐数量
       * @param id
       * @return
       */
      @Select("select count(id) from setmeal where category_id=#{categoryId}")
      Integer countByCategoryId(Long id);
  
      /**
       * 根据id修改套餐
       * @param setmeal
       */
      @AutoFill(OperationType.UPDATE)
      void update(Setmeal setmeal);
  
      /**
       * 套餐分页查询
       * @param setmealPageQueryDTO
       * @return
       */
      Page<SetmealVO> pageQuery(SetmealPageQueryDTO setmealPageQueryDTO);
  
      /**
       * 新增套餐
       * @param setmeal
       */
      @AutoFill(OperationType.INSERT)
      void insert(Setmeal setmeal);
  
      /**
       * 根据id查询套餐
       * @param id
       * @return
       */
      @Select("select * from setmeal where id = #{id}")
      Setmeal getById(Long id);
  
      /**
       * 根据id删除套餐
       * @param setmealId
       */
      @Delete("delete from setmeal where id = #{id}")
      void deleteById(Long setmealId);
  
      /**
       * 动态条件查询套餐
       * @param setmeal
       * @return
       */
      List<Setmeal> list(Setmeal setmeal);
  
      /**
       * 根据套餐id查询菜品选项
       * @param setmealId
       * @return
       */
      @Select("select sd.name, sd.copies, d.image, d.description " +
              "from setmeal_dish sd left join dish d on sd.dish_id = d.id " +
              "where sd.setmeal_id = #{setmealId}")
      List<DishItemVO> getDishItemBySetmealId(Long setmealId);
  
      /**
       * 根据状态查询套餐数量
       * @param status
       * @return
       */
      @Select("select count(id) from setmeal where status=#{status}")
      Integer countByStatus(Integer status);
  }
  