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<?php
/*
* This file is part of PHP CS Fixer.
*
* (c) Fabien Potencier <fabien@symfony.com>
* Dariusz Rumiński <dariusz.ruminski@gmail.com>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
namespace PhpCsFixer\Console\SelfUpdate;
use Composer\Semver\Comparator;
use Composer\Semver\Semver;
use Composer\Semver\VersionParser;
/**
* @internal
*/
final class NewVersionChecker implements NewVersionCheckerInterface
{
/**
* @var GithubClientInterface
*/
private $githubClient;
/**
* @var VersionParser
*/
private $versionParser;
/**
* @var null|string[]
*/
private $availableVersions;
/**
* @param GithubClientInterface $githubClient
*/
public function __construct(GithubClientInterface $githubClient)
{
$this->githubClient = $githubClient;
$this->versionParser = new VersionParser();
}
/**
* {@inheritdoc}
*/
public function getLatestVersion()
{
$this->retrieveAvailableVersions();
return $this->availableVersions[0];
}
/**
* {@inheritdoc}
*/
public function getLatestVersionOfMajor($majorVersion)
{
$this->retrieveAvailableVersions();
$semverConstraint = '^'.$majorVersion;
foreach ($this->availableVersions as $availableVersion) {
if (Semver::satisfies($availableVersion, $semverConstraint)) {
return $availableVersion;
}
}
return null;
}
/**
* {@inheritdoc}
*/
public function compareVersions($versionA, $versionB)
{
$versionA = $this->versionParser->normalize($versionA);
$versionB = $this->versionParser->normalize($versionB);
if (Comparator::lessThan($versionA, $versionB)) {
return -1;
}
if (Comparator::greaterThan($versionA, $versionB)) {
return 1;
}
return 0;
}
private function retrieveAvailableVersions()
{
if (null !== $this->availableVersions) {
return;
}
foreach ($this->githubClient->getTags() as $tag) {
$version = $tag['name'];
try {
$this->versionParser->normalize($version);
if ('stable' === VersionParser::parseStability($version)) {
$this->availableVersions[] = $version;
}
} catch (\UnexpectedValueException $exception) {
// not a valid version tag
}
}
$this->availableVersions = Semver::rsort($this->availableVersions);
}
}