function ComposerRepository::startCachedAsyncDownload

@phpstan-return PromiseInterface<array{mixed, string}>

File

vendor/composer/composer/src/Composer/Repository/ComposerRepository.php, line 1093

Class

ComposerRepository

@author Jordi Boggiano <j.boggiano@seld.be>

Namespace

Composer\Repository

Code

private function startCachedAsyncDownload(string $fileName, ?string $packageName = null) : PromiseInterface {
    if (null === $this->lazyProvidersUrl) {
        throw new \LogicException('startCachedAsyncDownload only supports v2 protocol composer repos with a metadata-url');
    }
    $name = strtolower($fileName);
    $packageName = $packageName ?? $name;
    $url = str_replace('%package%', $name, $this->lazyProvidersUrl);
    $cacheKey = 'provider-' . strtr($name, '/', '~') . '.json';
    $lastModified = null;
    if ($contents = $this->cache
        ->read($cacheKey)) {
        $contents = json_decode($contents, true);
        $lastModified = $contents['last-modified'] ?? null;
    }
    return $this->asyncFetchFile($url, $cacheKey, $lastModified)
        ->then(static function ($response) use ($url, $cacheKey, $contents, $packageName) : array {
        $packagesSource = 'downloaded file (' . Url::sanitize($url) . ')';
        if (true === $response) {
            $packagesSource = 'cached file (' . $cacheKey . ' originating from ' . Url::sanitize($url) . ')';
            $response = $contents;
        }
        if (!isset($response['packages'][$packageName]) && !isset($response['security-advisories'])) {
            return [
                null,
                $packagesSource,
            ];
        }
        return [
            $response,
            $packagesSource,
        ];
    });
}