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<?php |
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namespace App\Movies\EventListener; |
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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\TmdbNormalizerService; |
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use App\Movies\Service\TmdbSearchService; |
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use App\Movies\Service\TmdbSyncService; |
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use Enqueue\Client\Message; |
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use Enqueue\Client\MessagePriority; |
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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 SimilarMoviesProcessor implements Processor, TopicSubscriberInterface |
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{ |
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const LOAD_SIMILAR_MOVIES = 'LoadSimilarMoviesFromTMDB'; |
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private $searchService; |
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private $movieRepository; |
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private $normalizer; |
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private $sync; |
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private $producer; |
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public function __construct(MovieRepository $movieRepository, TmdbSearchService $searchService, TmdbNormalizerService $normalizer, TmdbSyncService $sync, ProducerInterface $producer) |
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{ |
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$this->movieRepository = $movieRepository; |
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$this->searchService = $searchService; |
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$this->normalizer = $normalizer; |
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$this->sync = $sync; |
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$this->producer = $producer; |
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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($movieId, true); |
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$movies = $this->movieRepository->findAllByIdsWithSimilarMovies([$movieId]); |
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if (\count($movies) === 0) { |
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return self::REJECT; |
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} |
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$allSimilarMoviesTable = []; |
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$movie = reset($movies); |
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if ($movie['sm_id'] !== null) { |
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return self::ACK; |
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} |
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try { |
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$similarMovies = $this->loadSimilarMoviesFromTMDB($movie['m_tmdb.id']); |
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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 $movieNotFoundException) { |
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return self::ACK; |
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} |
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$allSimilarMoviesTable[$movie['m_id']] = array_map(function (array $newSimilarMovie) { |
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return $newSimilarMovie['id']; |
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}, $similarMovies); |
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$this->sync->syncMovies($similarMovies); |
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$this->addSimilarMovies($allSimilarMoviesTable); |
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$message = $session = $moviesIds = $movies = $allSimilarMoviesTable = $totalSuccessfullyProcessedMovies = $requeueIds = $movie = null; |
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unset($message, $session, $moviesIds, $movies, $allSimilarMoviesTable, $totalSuccessfullyProcessedMovies, $requeueIds, $movie); |
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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 TmdbRequestLimitException |
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* @throws TmdbMovieNotFoundException |
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* @throws \Psr\SimpleCache\InvalidArgumentException |
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* |
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* @return array |
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*/ |
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private function loadSimilarMoviesFromTMDB(int $tmdbId): array |
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{ |
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$similarMoviesResponse = $this->searchService->findSimilarMoviesById($tmdbId); |
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$movies = $similarMoviesResponse['results'] ?? []; |
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// If we have a lot of movies then load it all |
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if (isset($similarMoviesResponse['total_pages']) && $similarMoviesResponse['total_pages'] > 1) { |
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// $i = 2 because $movies currently already has movies from page 1 |
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$similarMoviesResponse['total_pages'] = $similarMoviesResponse['total_pages'] > 5 ? 5 : $similarMoviesResponse['total_pages']; |
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for ($i = 2; $i <= $similarMoviesResponse['total_pages']; ++$i) { |
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$moviesOnPage = $this->searchService->findSimilarMoviesById($tmdbId, $i); |
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$movies = array_merge($movies, $moviesOnPage['results']); |
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} |
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} |
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return $movies; |
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} |
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private function addSimilarMovies(array $allSimilarMoviesTable) |
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{ |
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$message = new Message(json_encode($allSimilarMoviesTable)); |
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// todo redis doesnt support priority $message->setPriority(MessagePriority::VERY_LOW); |
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$this->producer->sendEvent(AddSimilarMoviesProcessor::ADD_SIMILAR_MOVIES, $message); |
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} |
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public static function getSubscribedTopics() |
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{ |
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return [self::LOAD_SIMILAR_MOVIES]; |
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} |
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} |
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svbackend /
my-art-lib
