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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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/* |
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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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namespace ApiPlatform\Core\Bridge\Doctrine\MongoDB\Extension; |
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use ApiPlatform\Core\Bridge\Doctrine\MongoDB\Paginator; |
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use ApiPlatform\Core\Metadata\Resource\Factory\ResourceMetadataFactoryInterface; |
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use ApiPlatform\Core\Metadata\Resource\ResourceMetadata; |
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use Doctrine\Common\Persistence\ManagerRegistry; |
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use Doctrine\ODM\MongoDB\Query\Builder; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\RequestStack; |
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/** |
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* Applies pagination on the Doctrine query for resource collection when enabled. |
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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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*/ |
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class PaginationExtension implements QueryResultExtensionInterface |
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{ |
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private $managerRegistry; |
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private $requestStack; |
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private $resourceMetadataFactory; |
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private $enabled; |
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private $clientEnabled; |
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private $clientItemsPerPage; |
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private $itemsPerPage; |
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private $pageParameterName; |
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private $enabledParameterName; |
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private $itemsPerPageParameterName; |
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public function __construct(ManagerRegistry $managerRegistry, RequestStack $requestStack, ResourceMetadataFactoryInterface $resourceMetadataFactory, bool $enabled = true, bool $clientEnabled = false, bool $clientItemsPerPage = false, int $itemsPerPage = 30, string $pageParameterName = 'page', string $enabledParameterName = 'pagination', string $itemsPerPageParameterName = 'itemsPerPage') |
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{ |
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$this->managerRegistry = $managerRegistry; |
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$this->requestStack = $requestStack; |
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$this->resourceMetadataFactory = $resourceMetadataFactory; |
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$this->enabled = $enabled; |
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$this->clientEnabled = $clientEnabled; |
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$this->clientItemsPerPage = $clientItemsPerPage; |
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$this->itemsPerPage = $itemsPerPage; |
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$this->pageParameterName = $pageParameterName; |
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$this->enabledParameterName = $enabledParameterName; |
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$this->itemsPerPageParameterName = $itemsPerPageParameterName; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function applyToCollection(Builder $queryBuilder, string $resourceClass, string $operationName = null) |
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{ |
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$request = $this->requestStack->getCurrentRequest(); |
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if (null === $request) { |
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return; |
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} |
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$resourceMetadata = $this->resourceMetadataFactory->create($resourceClass); |
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if (!$this->isPaginationEnabled($request, $resourceMetadata, $operationName)) { |
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return; |
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} |
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$itemsPerPage = $resourceMetadata->getCollectionOperationAttribute($operationName, 'pagination_items_per_page', $this->itemsPerPage, true); |
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if ($resourceMetadata->getCollectionOperationAttribute($operationName, 'pagination_client_items_per_page', $this->clientItemsPerPage, true)) { |
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$itemsPerPage = (int) $request->query->get($this->itemsPerPageParameterName, $itemsPerPage); |
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} |
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$queryBuilder |
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->skip(($request->query->get($this->pageParameterName, 1) - 1) * $itemsPerPage) |
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->limit($itemsPerPage); |
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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 $operationName = null): bool |
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{ |
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$request = $this->requestStack->getCurrentRequest(); |
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if (null === $request) { |
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return false; |
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} |
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$resourceMetadata = $this->resourceMetadataFactory->create($resourceClass); |
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return $this->isPaginationEnabled($request, $resourceMetadata, $operationName); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getResult(Builder $queryBuilder) |
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{ |
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return new Paginator($queryBuilder->getQuery()->execute()); |
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} |
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private function isPaginationEnabled(Request $request, ResourceMetadata $resourceMetadata, string $operationName = null): bool |
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{ |
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$enabled = $resourceMetadata->getCollectionOperationAttribute($operationName, 'pagination_enabled', $this->enabled, true); |
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$clientEnabled = $resourceMetadata->getCollectionOperationAttribute($operationName, 'pagination_client_enabled', $this->clientEnabled, true); |
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if ($clientEnabled) { |
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$enabled = filter_var($request->query->get($this->enabledParameterName, $enabled), FILTER_VALIDATE_BOOLEAN); |
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} |
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return $enabled; |
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} |
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} |
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api-platform /
core
