<?php
// +----------------------------------------------------------------------
// | likeadmin快速开发前后端分离管理后台（PHP版）
// +----------------------------------------------------------------------
// | 欢迎阅读学习系统程序代码，建议反馈是我们前进的动力
// | 开源版本可自由商用，可去除界面版权logo
// | gitee下载：https://gitee.com/likeshop_gitee/likeadmin
// | github下载：https://github.com/likeshop-github/likeadmin
// | 访问官网：https://www.likeadmin.cn
// | likeadmin团队 版权所有 拥有最终解释权
// +----------------------------------------------------------------------
// | author: likeadminTeam
// +----------------------------------------------------------------------


namespace app\common\cache;


use app\common\model\auth\Admin;
use app\common\model\auth\AdminSession;
use app\common\model\auth\SystemRole;
use app\common\enum\AdminTerminalEnum;

/**
 * 管理员token缓存
 * Class AdminTokenCache
 * @package app\common\cache
 */
class AdminTokenCache extends BaseCache
{

    private $prefix = 'token_admin_';

    /**
     * @notes 通过token获取缓存管理员信息
     * @param $token
     * @return false|mixed
     * @author 令狐冲
     * @date 2021/6/30 16:57
     */
    public function getAdminInfo($token)
    {
        //直接从缓存获取
        $adminInfo = $this->get($this->prefix . $token);
        if ($adminInfo) {
            if ((int) ($adminInfo['terminal'] ?? 0) === AdminTerminalEnum::BCR) {
                // 长会话每次请求查 DB；即使事务撤销后旧缓存尚未删除，也必须拒绝。
                $session = AdminSession::where('token', $token)->where('expire_time', '>', time())->find();
                $admin = $session ? Admin::where('id', $session->admin_id)->where('disable', 0)
                    ->field('id,root,work_wechat_userid')->find() : null;
                if (!$session || (int) $session->terminal !== AdminTerminalEnum::BCR
                    || (int) $session->admin_id !== (int) $adminInfo['admin_id']
                    || !$admin) {
                    $this->deleteAdminInfo($token);
                    return false;
                }
                // 并发续期后以数据库的新到期时间为准。
                $adminInfo['expire_time'] = (int) $session->expire_time;
                // 解绑企微/权限变化不能因长缓存而延迟生效。
                $adminInfo['root'] = (int) $admin->root;
                $adminInfo['role_id'] = $admin->role_id;
                $adminInfo['work_wechat_userid'] = (string) ($admin->work_wechat_userid ?? '');
            }
            return $adminInfo;
        }

        //从数据获取信息被设置缓存(可能后台清除缓存）
        $adminInfo = $this->setAdminInfo($token);
        if ($adminInfo) {
            return $adminInfo;
        }

        return false;
    }

    /**
     * @notes 通过有效token设置管理信息缓存
     * @param $token
     * @return array|false|mixed
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     * @author 令狐冲
     * @date 2021/7/5 12:12
     */
    public function setAdminInfo($token)
    {
        $adminSession = AdminSession::where([['token', '=', $token], ['expire_time', '>', time()]])
            ->find();
        if (empty($adminSession)) {
            return [];
        }
        $admin = Admin::where('id', '=', $adminSession->admin_id)
            ->append(['role_id'])
            ->find();
        if (!$admin || ((int) $adminSession->terminal === AdminTerminalEnum::BCR && (int) $admin->disable !== 0)) {
            return [];
        }

        $roleName = '';
        $roleLists = SystemRole::column('name', 'id');
        if ($admin['root'] == 1) {
            $roleName = '系统管理员';
        } else {
            foreach ($admin['role_id'] as $roleId) {
                $roleName .= $roleLists[$roleId] ?? '';
                $roleName .= '/';
            }
            $roleName = trim($roleName, '/');
        }

        $adminInfo = [
            'admin_id' => $admin->id,
            'root' => $admin->root,
            'name' => $admin->name,
            'account' => $admin->account,
            'role_name' => $roleName,
            'role_id' => $admin->role_id,
            'token' => $token,
            'terminal' => $adminSession->terminal,
            'expire_time' => $adminSession->expire_time,
            'login_ip' => request()->ip(),
            'work_wechat_userid' => $admin->work_wechat_userid ?? '',
        ];
        $this->set($this->prefix . $token, $adminInfo, new \DateTime(Date('Y-m-d H:i:s', $adminSession->expire_time)));
        return $adminInfo;
    }

    /**
     * @notes 删除缓存
     * @param $token
     * @return bool
     * @author 令狐冲
     * @date 2021/7/3 16:57
     */
    public function deleteAdminInfo($token)
    {
        return $this->delete($this->prefix . $token);
    }


}