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<?php |
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namespace App\Filters\Movie; |
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use App\Filters\Filter; |
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use Doctrine\ORM\QueryBuilder; |
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use Symfony\Component\HttpFoundation\ParameterBag; |
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/** |
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* /api/movies?g[]=2&g[]=1>=AND => Will display all movies in genres with ids 1 & 2 (In both) |
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* /api/movies?g[]=2&g[]=1 => Will display all movies in genres with ids 1 & 2 (At least in one of them) |
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*/ |
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class Genre implements Filter |
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{ |
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private const CONDITION_TYPE_OR = 'OR'; |
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private const CONDITION_TYPE_AND = 'AND'; |
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public function handle(ParameterBag $params, QueryBuilder $qb): QueryBuilder |
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{ |
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$conditionType = $params->get('gt', self::CONDITION_TYPE_OR); |
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$genres = $params->get('g', []); |
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if (count($genres) === 0) { |
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return $qb; |
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} |
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array_walk($genres, static function ($id) { return (int)$id; }); |
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if ($conditionType === self::CONDITION_TYPE_OR) { |
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return $qb |
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->leftJoin('m.genres', 'mg') |
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->andWhere('mg.id IN (:filter_genres)') |
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->setParameter('filter_genres', $genres); |
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} |
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$moviesIds = $this->getIntersectIds($qb, $genres); |
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return $qb->andWhere($qb->expr()->in('m.id', $moviesIds)); |
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} |
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private function getIntersectIds(QueryBuilder $qb, array $genres): array |
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{ |
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$newQb = clone $qb; |
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$query = $newQb |
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->select('m.id') |
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->leftJoin('m.genres', 'mg') |
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->andWhere('mg.id = :filter_genre_id') |
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->getQuery() |
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; |
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$ids = []; |
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foreach ($genres as $genreId) { |
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$ids[] = array_map( |
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static function($item) { return $item['id']; }, |
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$query |
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->setParameter('filter_genre_id', $genreId) |
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->getArrayResult() |
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); |
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} |
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return array_intersect(...$ids); |
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} |
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} |
svbackend /
my-art-lib
