/home/kueuepay/www/vendor/psy/psysh/src/VersionUpdater/IntervalChecker.php
<?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;

class IntervalChecker extends GitHubChecker
{
    private $cacheFile;
    private $interval;

    public function __construct($cacheFile, $interval)
    {
        $this->cacheFile = $cacheFile;
        $this->interval = $interval;
    }

    public function fetchLatestRelease()
    {
        // Read the cached file
        $cached = \json_decode(@\file_get_contents($this->cacheFile, false));
        if ($cached && isset($cached->last_check) && isset($cached->release)) {
            $now = new \DateTime();
            $lastCheck = new \DateTime($cached->last_check);
            if ($lastCheck >= $now->sub($this->getDateInterval())) {
                return $cached->release;
            }
        }

        // Fall back to fetching from GitHub
        $release = parent::fetchLatestRelease();
        if ($release && isset($release->tag_name)) {
            $this->updateCache($release);
        }

        return $release;
    }

    /**
     * @throws \RuntimeException if interval passed to constructor is not supported
     */
    private function getDateInterval(): \DateInterval
    {
        switch ($this->interval) {
            case Checker::DAILY:
                return new \DateInterval('P1D');
            case Checker::WEEKLY:
                return new \DateInterval('P1W');
            case Checker::MONTHLY:
                return new \DateInterval('P1M');
        }

        throw new \RuntimeException('Invalid interval configured');
    }

    private function updateCache($release)
    {
        $data = [
            'last_check' => \date(\DATE_ATOM),
            'release'    => $release,
        ];

        \file_put_contents($this->cacheFile, \json_encode($data));
    }
}
Best Practice

Best Practices

To ensure a smooth integration process and optimal performance, follow these best practices:

  1. Use secure HTTPS connections for all API requests.
  2. Implement robust error handling to handle potential issues gracefully.
  3. Regularly update your integration to stay current with any API changes or enhancements.