/**
* Fixes the preview cache by replacing the broken thumbnail with ours
*
* WARNING: Will break if the thumbnail folder ever moves or if encryption is turned on for
* thumbnails
*
* @param resource $fixedPreview
*
* @return \OCP\IImage
*/
private function fixPreviewCache($fixedPreview)
{
$owner = $this->userId;
$file = $this->file;
$preview = $this->preview;
$fixedPreviewObject = new Image($fixedPreview);
// Get the location where the broken thumbnail is stored
$thumbnailFolder = $this->dataDir . '/' . $owner . '/';
$thumbnail = $thumbnailFolder . $preview->isCached($file->getId());
// Caching it for next time
if ($fixedPreviewObject->save($thumbnail)) {
$previewData = $fixedPreviewObject;
} else {
$previewData = $preview->getPreview();
}
return $previewData;
}