content: package com.sky.mapper;
  
  import com.github.pagehelper.Page;
  import com.sky.annotation.AutoFill;
  import com.sky.dto.DishPageQueryDTO;
  import com.sky.entity.Dish;
  import com.sky.enumeration.OperationType;
  import com.sky.vo.DishVO;
  import org.apache.ibatis.annotations.Delete;
  import org.apache.ibatis.annotations.Mapper;
  import org.apache.ibatis.annotations.Select;
  
  import java.util.List;
  import java.util.Map;
  
  @Mapper
  public interface DishMapper {
  
      /**
       * 根据分类id查询菜品数量
       * 
       * @param categoryId
       * @return
       */
      @Select("select count(id) from sky_take_out.dish where category_id = #{categoryId}")
      Integer countByCategoryId(Long categoryId);
  
      /**
       * 新增菜品
       * 
       * @param dish
       */
      @AutoFill(value = OperationType.INSERT)
      void insert(Dish dish);
  
      /**
       * 分页查询菜品
       * 
       * @param dishPageQueryDTO
       * @return
       */
      Page<DishVO> pageQuery(DishPageQueryDTO dishPageQueryDTO);
  
      /**
       * 根据id查询菜品
       * 
       * @param id
       * @return
       */
      @Select("select * from sky_take_out.dish where id = #{id}")
      Dish getById(Long id);
  
      /**
       * 删除菜品
       * 
       * @param id
       */
      @Delete("delete from sky_take_out.dish where id = #{id}")
      void deleteById(Long id);
  
      /**
       * 更新菜品
       * 
       * @param dish
       */
      @AutoFill(value = OperationType.UPDATE)
      void update(Dish dish);
  
      /**
       * 根据分类id查询菜品
       * 
       * @param dish
       * @return
       */
      List<Dish> list(Dish dish);
  
      /**
       * 根据套餐id查询菜品
       * 
       * @param setmealId
       * @return
       */
      @Select("select a.* from sky_take_out.dish a left join sky_take_out.setmeal_dish b on a.id = b.dish_id where b.setmeal_id = #{setmealId}")
      List<Dish> getBySetmealId(Long setmealId);
  
      /**
       * 根据条件统计菜品数量
       * 
       * @param map
       * @return
       */
      Integer countByMap(Map<String, Integer> map);
  
  }
  