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<?php |
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declare(strict_types=1); |
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/** |
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* @copyright Copyright (c) 2023 Julius Härtl <[email protected]> |
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* @copyright Copyright (c) 2023 Marcel Klehr <[email protected]> |
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* |
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* @author Julius Härtl <[email protected]> |
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* @author Marcel Klehr <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace OC\SpeechToText; |
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use InvalidArgumentException; |
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use OC\AppFramework\Bootstrap\Coordinator; |
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use OCP\BackgroundJob\IJobList; |
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use OCP\Files\File; |
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use OCP\Files\InvalidPathException; |
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use OCP\Files\NotFoundException; |
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use OCP\IServerContainer; |
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use OCP\PreConditionNotMetException; |
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use OCP\SpeechToText\ISpeechToTextManager; |
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use OCP\SpeechToText\ISpeechToTextProvider; |
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use Psr\Container\ContainerExceptionInterface; |
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use Psr\Container\NotFoundExceptionInterface; |
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use Psr\Log\LoggerInterface; |
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use RuntimeException; |
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use Throwable; |
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class SpeechToTextManager implements ISpeechToTextManager { |
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/** @var ?ISpeechToTextProvider[] */ |
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private ?array $providers = null; |
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public function __construct( |
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private IServerContainer $serverContainer, |
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private Coordinator $coordinator, |
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private LoggerInterface $logger, |
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private IJobList $jobList, |
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) { |
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} |
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public function getProviders(): array { |
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$context = $this->coordinator->getRegistrationContext(); |
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if ($context === null) { |
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return []; |
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} |
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if ($this->providers !== null) { |
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return $this->providers; |
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} |
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$this->providers = []; |
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foreach ($context->getSpeechToTextProviders() as $providerServiceRegistration) { |
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$class = $providerServiceRegistration->getService(); |
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try { |
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$this->providers[$class] = $this->serverContainer->get($class); |
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} catch (NotFoundExceptionInterface|ContainerExceptionInterface|Throwable $e) { |
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$this->logger->error('Failed to load SpeechToText provider ' . $class, [ |
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'exception' => $e, |
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]); |
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} |
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} |
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return $this->providers; |
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} |
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public function hasProviders(): bool { |
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$context = $this->coordinator->getRegistrationContext(); |
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if ($context === null) { |
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return false; |
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} |
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return !empty($context->getSpeechToTextProviders()); |
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} |
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public function scheduleFileTranscription(File $file, ?string $userId, string $appId): void { |
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if (!$this->hasProviders()) { |
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throw new PreConditionNotMetException('No SpeechToText providers have been registered'); |
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} |
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try { |
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$this->jobList->add(TranscriptionJob::class, [ |
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'fileId' => $file->getId(), |
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'owner' => $file->getOwner()->getUID(), |
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'userId' => $userId, |
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'appId' => $appId, |
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]); |
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} catch (NotFoundException|InvalidPathException $e) { |
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throw new InvalidArgumentException('Invalid file provided for file transcription: ' . $e->getMessage()); |
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} |
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} |
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public function transcribeFile(File $file): string { |
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if (!$this->hasProviders()) { |
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throw new PreConditionNotMetException('No SpeechToText providers have been registered'); |
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} |
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foreach ($this->getProviders() as $provider) { |
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try { |
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return $provider->transcribeFile($file); |
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} catch (\Throwable $e) { |
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$this->logger->info('SpeechToText transcription using provider ' . $provider->getName() . ' failed', ['exception' => $e]); |
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} |
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} |
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throw new RuntimeException('Could not transcribe file'); |
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} |
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} |
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nextcloud /
server
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