/**
* Returns the file of which a preview will be generated
*
* @param int $fileId
*
* @return array<File|int|null>
*/
private function getFile($fileId)
{
$status = Http::STATUS_OK;
try {
/** @type File $file */
$file = $this->previewService->getResourceFromId($fileId);
$this->configService->validateMimeType($file->getMimeType());
} catch (ServiceException $exception) {
$file = null;
$status = $this->getHttpStatusCode($exception);
}
return [$file, $status];
}
/**
* Returns either a generated preview, the file as-is or an empty object
*
* @param int $fileId
* @param int $width
* @param int $height
* @param bool $keepAspect
* @param bool $animatedPreview
* @param bool $base64Encode
*
* @return array<string,\OC_Image|string>
*
* @throws NotFoundServiceException
*/
private function getData($fileId, $width, $height, $keepAspect = true, $animatedPreview = true, $base64Encode = false)
{
try {
/** @type File $file */
$file = $this->previewService->getResourceFromId($fileId);
if (!is_null($file)) {
$data = $this->getPreviewData($file, $animatedPreview, $width, $height, $keepAspect, $base64Encode);
} else {
// Uncaught problem, should never reach this point...
$data = $this->getErrorData(Http::STATUS_NOT_FOUND);
}
} catch (ServiceException $exception) {
$file = null;
$data = $this->getExceptionData($exception);
}
array_unshift($data, $file);
return $data;
}
