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<?php |
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/* |
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* This file is part of the API Platform project. |
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* |
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* (c) Kévin Dunglas <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace ApiPlatform\Core\Bridge\Doctrine\MongoDbOdm\Extension; |
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use ApiPlatform\Core\Bridge\Doctrine\MongoDbOdm\Paginator; |
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use ApiPlatform\Core\DataProvider\Pagination; |
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use ApiPlatform\Core\Exception\RuntimeException; |
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use Doctrine\Common\Persistence\ManagerRegistry; |
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use Doctrine\ODM\MongoDB\Aggregation\Builder; |
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use Doctrine\ODM\MongoDB\DocumentManager; |
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use Doctrine\ODM\MongoDB\Repository\DocumentRepository; |
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/** |
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* Applies pagination on the Doctrine aggregation for resource collection when enabled. |
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* |
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* @experimental |
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* |
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* @author Kévin Dunglas <[email protected]> |
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* @author Samuel ROZE <[email protected]> |
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* @author Alan Poulain <[email protected]> |
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*/ |
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final class PaginationExtension implements AggregationResultCollectionExtensionInterface |
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{ |
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private $managerRegistry; |
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private $pagination; |
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public function __construct(ManagerRegistry $managerRegistry, Pagination $pagination) |
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{ |
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$this->managerRegistry = $managerRegistry; |
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$this->pagination = $pagination; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws RuntimeException |
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*/ |
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public function applyToCollection(Builder $aggregationBuilder, string $resourceClass, string $operationName = null, array &$context = []) |
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{ |
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if (!$this->pagination->isEnabled($resourceClass, $operationName, $context)) { |
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return; |
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} |
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[, $offset, $limit] = $this->pagination->getPagination($resourceClass, $operationName, $context); |
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$manager = $this->managerRegistry->getManagerForClass($resourceClass); |
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if (!$manager instanceof DocumentManager) { |
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throw new RuntimeException(sprintf('The manager for "%s" must be an instance of "%s".', $resourceClass, DocumentManager::class)); |
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} |
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$repository = $manager->getRepository($resourceClass); |
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if (!$repository instanceof DocumentRepository) { |
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throw new RuntimeException(sprintf('The repository for "%s" must be an instance of "%s".', $resourceClass, DocumentRepository::class)); |
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} |
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$aggregationBuilder |
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->facet() |
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->field('results')->pipeline( |
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$repository->createAggregationBuilder() |
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->skip($offset) |
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->limit($limit) |
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) |
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->field('count')->pipeline( |
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$repository->createAggregationBuilder() |
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->count('count') |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function supportsResult(string $resourceClass, string $operationName = null, array $context = []): bool |
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{ |
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return $this->pagination->isEnabled($resourceClass, $operationName, $context); |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws RuntimeException |
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*/ |
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public function getResult(Builder $aggregationBuilder, string $resourceClass, string $operationName = null, array $context = []) |
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{ |
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$manager = $this->managerRegistry->getManagerForClass($resourceClass); |
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if (!$manager instanceof DocumentManager) { |
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throw new RuntimeException(sprintf('The manager for "%s" must be an instance of "%s".', $resourceClass, DocumentManager::class)); |
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} |
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return new Paginator($aggregationBuilder->execute(), $manager->getUnitOfWork(), $resourceClass, $aggregationBuilder->getPipeline()); |
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} |
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} |
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api-platform /
core
