<?php

/*
 * This file is part of Psy Shell.
 *
 * (c) 2012-2023 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Psy\VersionUpdater;

use Psy\Shell;

class GitHubChecker implements Checker
{
    const URL = 'https://api.github.com/repos/bobthecow/psysh/releases/latest';

    private $latest;

    public function isLatest(): bool
    {
        // version_compare doesn't handle semver completely;
        // strip pre-release and build metadata before comparing
        $version = \preg_replace('/[+-]\w+/', '', Shell::VERSION);

        return \version_compare($version, $this->getLatest(), '>=');
    }

    public function getLatest(): string
    {
        if (!isset($this->latest)) {
            $this->setLatest($this->getVersionFromTag());
        }

        return $this->latest;
    }

    /**
     * @param string $version
     */
    public function setLatest(string $version)
    {
        $this->latest = $version;
    }

    /**
     * @return string|null
     */
    private function getVersionFromTag()
    {
        $contents = $this->fetchLatestRelease();
        if (!$contents || !isset($contents->tag_name)) {
            throw new \InvalidArgumentException('Unable to check for updates');
        }
        $this->setLatest($contents->tag_name);

        return $this->getLatest();
    }

    /**
     * Set to public to make testing easier.
     *
     * @return mixed
     */
    public function fetchLatestRelease()
    {
        $context = \stream_context_create([
            'http' => [
                'user_agent' => 'PsySH/'.Shell::VERSION,
                'timeout'    => 1.0,
            ],
        ]);

        \set_error_handler(function () {
            // Just ignore all errors with this. The checker will throw an exception
            // if it doesn't work :)
        });

        $result = @\file_get_contents(self::URL, false, $context);

        \restore_error_handler();

        return \json_decode($result);
    }
}

• [D] Downloader
• [F] Checker.php
  Delete
• [F] Downloader.php
  Delete
• [F] GitHubChecker.php
  Delete
• [F] Installer.php
  Delete
• [F] IntervalChecker.php
  Delete
• [F] NoopChecker.php
  Delete
• [F] SelfUpdate.php
  Delete

Contact Section

Get in Touch with Us for Any Questions or Support

We’d love to hear from you! Whether you have questions, feedback, or need support, our team is here to help. Reach out to us via email, phone, or visit our office. We’re committed to providing you with exceptional service and ensuring your experience with NFC Pay is seamless and satisfying. Let’s connect!

Name*

Email*

Message*

Send Message

Our Location

20-22 Wenlock Road, England, N1 7GU

Call us on: +03601 885399

Our office hours Monday–Friday, 9am - 9pm

Email us directly

support@example.com