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<?php |
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namespace App\Movies\EventListener; |
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use App\Movies\DTO\MovieTranslationDTO; |
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use App\Movies\Entity\Movie; |
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use App\Movies\Entity\MovieTranslations; |
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use App\Movies\Exception\TmdbMovieNotFoundException; |
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use App\Movies\Exception\TmdbRequestLimitException; |
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use App\Movies\Repository\MovieRepository; |
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use App\Movies\Service\TmdbSearchService; |
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use App\Service\LocaleService; |
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use Doctrine\ORM\EntityManagerInterface; |
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use Enqueue\Client\ProducerInterface; |
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use Enqueue\Client\TopicSubscriberInterface; |
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use Interop\Queue\Context; |
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use Interop\Queue\Message as QMessage; |
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use Interop\Queue\Processor; |
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class MovieTranslationsProcessor implements Processor, TopicSubscriberInterface |
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{ |
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const LOAD_TRANSLATIONS = 'LoadMoviesTranslationsFromTMDB'; |
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private $em; |
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private $searchService; |
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private $movieRepository; |
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private $locales; |
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private $localesCount; |
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private $producer; |
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public function __construct(EntityManagerInterface $em, ProducerInterface $producer, MovieRepository $movieRepository, TmdbSearchService $searchService, LocaleService $localeService) |
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{ |
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$this->em = $em; |
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$this->movieRepository = $movieRepository; |
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$this->searchService = $searchService; |
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$this->locales = $localeService->getLocales(); |
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$this->localesCount = \count($this->locales); |
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$this->producer = $producer; |
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} |
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/** |
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* @param QMessage $message |
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* @param Context $session |
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* |
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* @throws \Doctrine\ORM\ORMException |
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* @throws \ErrorException |
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* |
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* @return object|string |
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*/ |
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public function process(QMessage $message, Context $session) |
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{ |
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$movieId = $message->getBody(); |
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$movieId = json_decode($movieId, true); |
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if ($this->em->isOpen() === false) { |
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throw new \ErrorException('em is closed'); |
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} |
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if (null === $movie = $this->movieRepository->find($movieId)) { |
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return self::REJECT; |
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} |
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if ($this->isAllTranslationsSaved($movie) === true) { |
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return self::ACK; |
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} |
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try { |
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$translationsDTOs = $this->loadTranslationsFromTMDB($movie->getTmdb()->getId()); |
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} catch (TmdbRequestLimitException $requestLimitException) { |
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sleep(5); |
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return self::REQUEUE; |
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} catch (TmdbMovieNotFoundException $notFoundException) { |
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return self::REJECT; |
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} |
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$this->addTranslations($translationsDTOs, $movie); |
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$this->em->flush(); |
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$this->em->clear(); |
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$message = $session = $movie = $movieId = null; |
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unset($message, $session, $movie, $movieId); |
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return self::ACK; |
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} |
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/** |
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* @param int $tmdbId |
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* |
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* @throws TmdbMovieNotFoundException |
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* @throws TmdbRequestLimitException |
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* |
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* @return \Iterator |
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*/ |
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private function loadTranslationsFromTMDB(int $tmdbId): \Iterator |
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{ |
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$translationsResponse = $this->searchService->findMovieTranslationsById($tmdbId); |
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$translations = $translationsResponse['translations']; |
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foreach ($translations as $translation) { |
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if (\in_array($translation['iso_639_1'], $this->locales, true) === false) { |
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continue; |
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} |
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$data = $translation['data']; |
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yield new MovieTranslationDTO($translation['iso_639_1'], $data['title'] ?? '', $data['overview'] ?? null, null); |
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} |
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} |
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/** |
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* @param \Iterator $moviesTranslationsDTOs |
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* @param Movie $movie |
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* |
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* @throws \Doctrine\ORM\ORMException |
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* @throws \ErrorException |
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*/ |
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private function addTranslations(\Iterator $moviesTranslationsDTOs, Movie $movie): void |
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{ |
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/** @var $movieReference Movie */ |
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$movieReference = $this->em->getReference(Movie::class, $movie->getId()); |
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foreach ($moviesTranslationsDTOs as $translationDTO) { |
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if ($movie->getTranslation($translationDTO->getLocale(), false) !== null) { |
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// If we already have translation for this locale just go to next iteration |
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continue; |
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} |
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$movieTranslation = new MovieTranslations($movieReference, $translationDTO); |
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$movie->addTranslation($movieTranslation); |
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$this->em->persist($movieTranslation); |
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} |
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} |
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/** |
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* @param Movie $movie |
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* |
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* @throws \ErrorException |
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* |
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* @return bool |
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*/ |
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private function isAllTranslationsSaved(Movie $movie): bool |
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{ |
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$existingTranslations = []; |
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foreach ($this->locales as $locale) { |
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if ($movie->getTranslation($locale, false) !== null) { |
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$existingTranslations[] = $locale; |
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} |
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} |
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return \count(array_diff($this->locales, $existingTranslations)) <= 2; |
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} |
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public static function getSubscribedTopics() |
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{ |
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return [self::LOAD_TRANSLATIONS]; |
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} |
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} |
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svbackend /
my-art-lib
