/**
* Downloads the composer packages data from packagist.org
*
* @param string $packageName The name of composer package.
* @return array The parsed json response.
*
* @see https://packagist.org/apidoc
*/
private function downloadPackagistPackageData($packageName)
{
$url = $this->packagistBaseUrl . $packageName . '.json';
$this->cache->setNamespace(sha1(__CLASS__));
$item = $this->cache->getItem(sha1($url));
$data = $item->get();
if ($item->isMiss()) {
$item->lock();
$response = $this->http->request('GET', $url);
$data = json_decode($response->getBody(), true)['package'];
$this->cache->save($item->set($data));
}
return $data;
}
/**
* Given the path to a composer file we return it's json as an array.
*
* @param string $file
* @return array
*/
private function readFile($file)
{
$this->cache->setNamespace(sha1(__CLASS__));
$item = $this->cache->getItem(sha1($file));
$data = $item->get();
if ($item->isMiss()) {
$item->lock();
if ($this->filesystem->has($file)) {
$data = json_decode($this->filesystem->read($file), true);
} else {
throw new ComposerFileNotFound($this->filesystem->getAdapter()->applyPathPrefix($file));
}
$this->cache->save($item->set($data));
}
return $data;
}
