/**
* @param $documentId
* @param string $extension
* @param null $saveToPath
* @return \Psr\Http\Message\StreamInterface
* @throws \InvalidArgumentException
*/
public function getDocumentContent($documentId, $extension = '', $saveToPath = null)
{
if (!empty($extension) && strpos($extension, '.') !== 0) {
$extension = '.' . $extension;
}
$requestOptions = [];
if ($saveToPath !== null) {
$saveDir = pathinfo($saveToPath, PATHINFO_DIRNAME);
if (!is_dir($saveDir) || file_exists($saveToPath) || !is_writable($saveDir)) {
throw new \InvalidArgumentException("The path to save the file to is not writable");
}
$resource = fopen($saveToPath, 'x+');
$requestOptions['sink'] = $resource;
}
return $this->responseHandler->getBodyStream($this->sendRequest($this->clientManager->getApiClient(), 'GET', sprintf('documents/%s/content%s', $documentId, $extension), $requestOptions));
}
