private function createDownloadResponse($stream, $filename)
{
$response = new StreamedResponse(function () use($stream) {
stream_copy_to_stream($stream, fopen('php://output', 'w'));
});
$disposition = $response->headers->makeDisposition(ResponseHeaderBag::DISPOSITION_ATTACHMENT, Transliterator::transliterate($filename));
$response->headers->set('Content-Disposition', $disposition);
$response->headers->set('Content-Type', 'application/octet-stream');
return $response;
}
/**
* {@inheritDoc}
*/
public function name($object, PropertyMapping $mapping)
{
$file = $mapping->getFile($object);
$name = $file->getClientOriginalName();
if ($this->transliterate) {
$name = Transliterator::transliterate($name);
}
/** @var $file UploadedFile */
return uniqid() . '_' . $name;
}
/**
* @inheritDoc
*/
public function name($object, PropertyMapping $mapping)
{
if (empty($this->propertyPath)) {
throw new \LogicException('The property to use can not be determined. Did you call the configure() method?');
}
$file = $mapping->getFile($object);
try {
$name = $this->getPropertyValue($object, $this->propertyPath);
} catch (NoSuchPropertyException $e) {
throw new NameGenerationException(sprintf('File name could not be generated: property %s does not exist.', $this->propertyPath), $e->getCode(), $e);
}
if (empty($name)) {
throw new NameGenerationException(sprintf('File name could not be generated: property %s is empty.', $this->propertyPath));
}
if ($this->transliterate) {
$name = Transliterator::transliterate($name);
}
// append the file extension if there is one
if ($extension = $this->getExtension($file)) {
$name = sprintf('%s.%s', $name, $extension);
}
return $name;
}