73 lines
1.9 KiB
PHP
73 lines
1.9 KiB
PHP
<?php
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/*
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* This file is part of Psy Shell.
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*
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* (c) 2012-2022 Justin Hileman
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Psy\VersionUpdater;
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class IntervalChecker extends GitHubChecker
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{
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private $cacheFile;
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private $interval;
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public function __construct($cacheFile, $interval)
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{
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$this->cacheFile = $cacheFile;
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$this->interval = $interval;
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}
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public function fetchLatestRelease()
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{
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// Read the cached file
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$cached = \json_decode(@\file_get_contents($this->cacheFile, false));
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if ($cached && isset($cached->last_check) && isset($cached->release)) {
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$now = new \DateTime();
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$lastCheck = new \DateTime($cached->last_check);
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if ($lastCheck >= $now->sub($this->getDateInterval())) {
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return $cached->release;
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}
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}
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// Fall back to fetching from GitHub
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$release = parent::fetchLatestRelease();
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if ($release && isset($release->tag_name)) {
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$this->updateCache($release);
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}
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return $release;
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}
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/**
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* @throws \RuntimeException if interval passed to constructor is not supported
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*/
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private function getDateInterval(): \DateInterval
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{
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switch ($this->interval) {
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case Checker::DAILY:
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return new \DateInterval('P1D');
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case Checker::WEEKLY:
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return new \DateInterval('P1W');
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case Checker::MONTHLY:
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return new \DateInterval('P1M');
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}
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throw new \RuntimeException('Invalid interval configured');
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}
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private function updateCache($release)
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{
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$data = [
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'last_check' => \date(\DATE_ATOM),
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'release' => $release,
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];
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\file_put_contents($this->cacheFile, \json_encode($data));
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}
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}
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