/**
* Retrieves the thumbnail to send back to the browser
*
* The thumbnail is either a resized preview of the file or the original file
* Thumbnails are base64encoded before getting sent back
*
*
* @param int $fileId the ID of the file of which we need a thumbnail preview of
* @param bool $square whether the thumbnail should be square
* @param double $scale whether we're allowed to scale the preview up
*
* @return array<string,array|string>
*/
private function getThumbnail($fileId, $square, $scale)
{
list($width, $height, $aspect, $animatedPreview, $base64Encode) = $this->thumbnailService->getThumbnailSpecs($square, $scale);
/** @type File $file */
list($file, $preview, $status, $type) = $this->getData($fileId, $width, $height, $aspect, $animatedPreview, $base64Encode);
if ($preview === null) {
$preview = $this->prepareEmptyThumbnail($file, $status);
} else {
if ($type === 'preview') {
$preview['preview'] = $this->previewService->previewValidator($square, $base64Encode);
}
}
return [$preview, $status];
}
/**
* @expectedException \OCA\Gallery\Service\InternalServerErrorServiceException
*/
public function testPreviewValidatorWithBrokenSetup()
{
$square = true;
$base64Encode = true;
$this->mockPreviewValidatorWithBrokenSystem();
$this->service->previewValidator($square, $base64Encode);
}