package com.designhub.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.designhub.entity.Role;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

/**
 * 角色Mapper接口
 */
@Mapper
public interface RoleMapper extends BaseMapper<Role> {
    
    /**
     * 根据用户ID查询角色列表
     * 从sys_user表的role_ids字段解析角色ID，然后查询角色信息
     */
    @Select("SELECT r.* FROM sys_role r " +
            "WHERE FIND_IN_SET(r.id, (SELECT role_ids FROM sys_user WHERE id = #{userId})) > 0 " +
            "AND r.deleted = 0 AND r.status = 1")
    List<Role> selectRolesByUserId(Long userId);
}