nextcloud / richdocuments

				$view = new View('/' . $wopi->getOwnerUid());

				if ($view->file_exists($versionPath)){

					$info = $view->getFileInfo($versionPath);

					if ($info->getSize() === 0) {

						$response = new Http\Response();

					} else {

						$response = new StreamResponse($view->fopen($versionPath, 'rb'));

					}

				}

				else {

					return new JSONResponse([], Http::STATUS_NOT_FOUND);

					return new JSONResponse([], Http::STATUS_NOT_FOUND);

				}

			}

			else {

				if ($file->getSize() === 0) {

					$response = new Http\Response();

				} else {

					$response = new StreamResponse($file->fopen('rb'));

				}

			}

			$response->addHeader('Content-Disposition', 'attachment');

			$response->addHeader('Content-Type', 'application/octet-stream');

			return $response;