cakeMallSystem/src/main/java/space/anyi/mapper/FavoriteMapper.java

package space.anyi.mapper;

import space.anyi.entity.Favorite;
import java.util.List;
import org.apache.ibatis.annotations.Param;

public interface FavoriteMapper {
    void insert(Favorite favorite);
    void update(Favorite favorite);
    void deleteById(Integer id);
    Favorite selectById(Integer id);
    List<Favorite> selectAll();
    List<Favorite> selectByUserId(Integer userId);
    Favorite selectByUserAndCake(@Param("userId") Integer userId, @Param("cakeId") Integer cakeId);
    int deleteByUserAndCake(@Param("userId") Integer userId, @Param("cakeId") Integer cakeId);
    int countByCakeId(Integer cakeId);
}