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<?php |
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declare(strict_types=1); |
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namespace Paysera\Pagination\Service\ODM; |
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use Paysera\Pagination\Entity\ODM\AnalysedQuery; |
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use Paysera\Pagination\Entity\OrderingConfiguration; |
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use Paysera\Pagination\Entity\ODM\ConfiguredQuery; |
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use Paysera\Pagination\Entity\OrderingPair; |
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use Paysera\Pagination\Entity\Pager; |
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use Paysera\Pagination\Exception\TooLargeOffsetException; |
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class QueryAnalyser |
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{ |
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const ID_FIELD = 'id'; |
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/** |
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* @internal |
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* @param ConfiguredQuery $configuredQuery |
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* @param Pager $pager |
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* @return AnalysedQuery |
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*/ |
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View Code Duplication |
public function analyseQuery(ConfiguredQuery $configuredQuery, Pager $pager) |
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{ |
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$analysedQuery = $this->analyseQueryWithoutPager($configuredQuery); |
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if ( |
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$pager->getOffset() !== null |
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&& $configuredQuery->hasMaximumOffset() |
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&& $pager->getOffset() > $configuredQuery->getMaximumOffset() |
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) { |
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throw new TooLargeOffsetException($configuredQuery->getMaximumOffset(), $pager->getOffset()); |
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} |
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$orderingConfigurations = $this->mapToOrderingConfigurations( |
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$configuredQuery, |
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$pager->getOrderingPairs() |
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); |
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return $analysedQuery |
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->setOrderingConfigurations($orderingConfigurations) |
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; |
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} |
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/** |
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* @internal |
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* @param ConfiguredQuery $configuredQuery |
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* @return AnalysedQuery |
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*/ |
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public function analyseQueryWithoutPager(ConfiguredQuery $configuredQuery) |
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{ |
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$queryBuilder = $configuredQuery->getQueryBuilder(); |
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return (new AnalysedQuery()) |
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->setQueryBuilder($queryBuilder) |
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; |
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} |
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/** |
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* @param ConfiguredQuery $configuredQuery |
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* @param array|OrderingPair[] $orderingPairs |
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* @return array|OrderingConfiguration[] |
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*/ |
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View Code Duplication |
private function mapToOrderingConfigurations(ConfiguredQuery $configuredQuery, array $orderingPairs) |
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{ |
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$orderingConfigurations = []; |
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$idIncluded = false; |
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$defaultAscending = null; |
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$orderByIdExpression = self::ID_FIELD; |
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foreach ($orderingPairs as $orderingPair) { |
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$orderingConfiguration = $configuredQuery->getOrderingConfigurationFor($orderingPair->getOrderBy()); |
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if ($orderingPair->isOrderingDirectionSet()) { |
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$orderingConfiguration->setOrderAscending($orderingPair->isOrderAscending()); |
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} |
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if ($orderingConfiguration->getOrderByExpression() === $orderByIdExpression) { |
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$idIncluded = true; |
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} |
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if ($defaultAscending === null) { |
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$defaultAscending = $orderingConfiguration->isOrderAscending(); |
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} |
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$orderingConfigurations[] = $orderingConfiguration; |
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} |
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if ($idIncluded) { |
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return $orderingConfigurations; |
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} |
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$orderingConfigurations[] = (new OrderingConfiguration($orderByIdExpression, self::ID_FIELD)) |
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->setOrderAscending($defaultAscending ?? false) |
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; |
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return $orderingConfigurations; |
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} |
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} |
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paysera /
lib-pagination
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Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.