<?php
/*----------------------------------------------------------------------
* 项目名称: CloudAdmin
* +----------------------------------------------------------------------
* 版权所有: 2014~2020 安徽云掌开发团队
* +----------------------------------------------------------------------
* 官方网站:  [ http://www.yaoyz.com、http://www.ahyunzhang.com ]
* +----------------------------------------------------------------------
* Date: 2018-12-04 22:20
* +----------------------------------------------------------------------
* Des: 日志操作类
+----------------------------------------------------------------------*/

namespace service;


use think\Db;

class LogService
{

    /**
     * 日志记录表
     * @var string
     */
    private static $table_log = 'ActionLog';

    /**
     * 获取数据库操作对象
     */
    protected static function db()
    {
        return Db::name('Action');
    }

    /**
     * 写入操作日志
     * @param null $action
     * @param null $model
     * @param null $record_id 记录id，有可能是报错信息
     * @param null $user_id
     * @return string
     */
    public static function write($action = null, $record_id = null)
    {
        //参数检查
        if (empty($action)) {
            return '参数不能为空';
        }

        $user_id = session('manager.id');

        //查询行为,判断是否执行
        $action_info = self::db()->getByName($action);
        if ($action_info['status'] != 1) {
            return '该行为被禁用或删除';
        }

        $request = app('request');
        $time = $_SERVER['REQUEST_TIME'];
        $model = strtolower(join('/', [$request->module(), $request->controller(), $request->action()]));
        //插入行为日志
        $data['action_id'] = $action_info['id'];
        $data['user_id'] = $user_id;
        $data['action_ip'] = $request->ip(1);
        $data['model'] = $model;
        $data['record_id'] = (int)$record_id;
        $data['create_time'] = $time;

        //解析日志规则,生成日志备注
        if (!empty($action_info['log'])) {
            if (preg_match_all('/\[(\S+?)\]/', $action_info['log'], $match)) {
                //如果record_id为空，或者不为数字替换record内容
                $record_id = !empty($record_id) ? $record_id : '：未更改任何数据!!!';
                $log['user'] = $user_id;
                $log['record'] = $record_id;
                $log['model'] = $model;
                $log['time'] = $time;
                $log['data'] = ['user' => $user_id, 'model' => $model, 'record' => $record_id, 'time' => $time];
                foreach ($match[1] as $value) {
                    $param = explode('|', $value);
                    if (isset($param[1])) {
                        $replace[] = call_user_func($param[1], $log[$param[0]]);
                    } else {
                        $replace[] = $log[$param[0]];
                    }
                }
                $data['remark'] = str_replace($match[0], $replace, $action_info['log']);
            } else {
                $data['remark'] = $action_info['log'];
            }
        } else {
            //未定义日志规则，记录操作url
            $data['remark'] = '操作url：' . $_SERVER['REQUEST_URI'];
        }
        Db::name(self::$table_log)->insert($data);

        if (!empty($action_info['rule'])) {
            //解析行为
            $rules = parse_action($action, $user_id);

            //执行行为
            $res = execute_action($rules, $action_info['id'], $user_id);
        }
    }


}