package com.gkhy.assess.system.utils;

import cn.hutool.core.util.ObjectUtil;
import com.gkhy.assess.system.domain.SysUser;
import org.apache.commons.lang3.StringUtils;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.subject.Subject;
import org.springframework.beans.BeanUtils;

public class ShiroUtils {

    public static Subject getSubject()
    {
        return SecurityUtils.getSubject();
    }
    public static String getIp()
    {
        String host=getSubject().getSession().getHost();
        if(StringUtils.isEmpty(host)){
            return "";
        }
        return host.substring(0,host.length()>=128?128:host.length());
    }


    public static Long getUserId()
    {
        return getSysUser()!=null?getSysUser().getId().longValue():null;
    }

    public static SysUser getSysUser()
    {
        SysUser user = null;
        Object obj = getSubject().getPrincipal();
        if (ObjectUtil.isNotNull(obj))
        {
            user = new SysUser();
            BeanUtils.copyProperties(obj, user);
        }
        return user;
    }
}