<?php
/**
 * @Copyright (C) 2016 汉潮 All rights reserved.
 * @License http://www.hanchao9999.com
 * @Author xiaogg <xiaogg@sina.cn>
 * @GithubSDK.class.php 2013-02-26
 */
 
namespace Common\Vendor\sdk;
use Common\Vendor\ThinkOauth;
class GithubSDK extends ThinkOauth {
	/**
	 * 获取requestCode的api接口
	 * @var string
	 */
	protected $GetRequestCodeURL = 'https://github.com/login/oauth/authorize';
	/**
	 * 获取access_token的api接口
	 * @var string
	 */
	protected $GetAccessTokenURL = 'https://github.com/login/oauth/access_token';
	/**
	 * API根路径
	 * @var string
	 */
	protected $ApiBase = 'https://api.github.com/';
	/**
	 * 组装接口调用参数 并调用接口
	 * @param  string $api    微博API
	 * @param  string $param  调用API的额外参数
	 * @param  string $method HTTP请求方法 默认为GET
	 * @return json
	 */
	public function call($api, $param = '', $method = 'GET', $multi = false) {
		/* Github 调用公共参数 */
		$params = array();
		$header = array("Authorization: bearer {$this->Token['access_token']}");
		$data = $this->http($this->url($api), $this->param($params, $param), $method, $header);
		return json_decode($data, true);
	}
	/**
	 * 解析access_token方法请求后的返回值
	 * @param string $result 获取access_token的方法的返回值
	 */
	protected function parseToken($result, $extend) {
		parse_str($result, $data);
		if ($data['access_token'] && $data['token_type']) {
			$this->Token = $data;
			$data['openid'] = $this->openid();
			return $data;
		} else
			E("获取 Github ACCESS_TOKEN出错：未知错误");
	}
	/**
	 * 获取当前授权应用的openid
	 * @return string
	 */
	public function openid() {
		if (isset($this->Token['openid']))
			return $this->Token['openid'];
		$data = $this->call('user');
		if (!empty($data['id']))
			return $data['id'];
		else
			E('没有获取到 Github 用户ID！');
	}
}