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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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namespace ApiPlatform\Core\Bridge\Doctrine\Orm\Util; |
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use Doctrine\Common\Persistence\ManagerRegistry; |
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use Doctrine\ORM\QueryBuilder; |
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/** |
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* Utility functions for working with Doctrine ORM query. |
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* |
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* @author Teoh Han Hui <[email protected]> |
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* @author Vincent Chalamon <[email protected]> |
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*/ |
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abstract class QueryChecker |
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{ |
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/** |
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* Determines whether the query builder uses a HAVING clause. |
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* |
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* @param QueryBuilder $queryBuilder |
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* |
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* @return bool |
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*/ |
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public static function hasHavingClause(QueryBuilder $queryBuilder) : bool |
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{ |
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return !empty($queryBuilder->getDQLPart('having')); |
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} |
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/** |
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* Determines whether the query builder has any root entity with foreign key identifier. |
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* |
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* @param QueryBuilder $queryBuilder |
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* @param ManagerRegistry $managerRegistry |
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* |
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* @return bool |
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*/ |
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public static function hasRootEntityWithForeignKeyIdentifier(QueryBuilder $queryBuilder, ManagerRegistry $managerRegistry) : bool |
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{ |
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return self::hasRootEntityWithIdentifier($queryBuilder, $managerRegistry, true); |
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} |
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/** |
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* Determines whether the query builder has any composite identifier. |
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* |
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* @param QueryBuilder $queryBuilder |
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* @param ManagerRegistry $managerRegistry |
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* |
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* @return bool |
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*/ |
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public static function hasRootEntityWithCompositeIdentifier(QueryBuilder $queryBuilder, ManagerRegistry $managerRegistry) : bool |
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{ |
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return self::hasRootEntityWithIdentifier($queryBuilder, $managerRegistry, false); |
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} |
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private static function hasRootEntityWithIdentifier(QueryBuilder $queryBuilder, ManagerRegistry $managerRegistry, $foreign) : bool |
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{ |
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foreach ($queryBuilder->getRootEntities() as $rootEntity) { |
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$rootMetadata = $managerRegistry |
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->getManagerForClass($rootEntity) |
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->getClassMetadata($rootEntity); |
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if ($foreign ? $rootMetadata->isIdentifierComposite : $rootMetadata->containsForeignIdentifier) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Determines whether the query builder has the maximum number of results specified. |
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* |
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* @param QueryBuilder $queryBuilder |
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* |
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* @return bool |
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*/ |
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public static function hasMaxResults(QueryBuilder $queryBuilder) : bool |
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{ |
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return null !== $queryBuilder->getMaxResults(); |
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} |
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/** |
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* Determines whether the query builder has ORDER BY on entity joined through |
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* to-many association. |
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* |
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* @param QueryBuilder $queryBuilder |
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* @param ManagerRegistry $managerRegistry |
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* |
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* @return bool |
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*/ |
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public static function hasOrderByOnToManyJoin(QueryBuilder $queryBuilder, ManagerRegistry $managerRegistry) : bool |
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{ |
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if ( |
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empty($orderByParts = $queryBuilder->getDQLPart('orderBy')) || |
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empty($joinParts = $queryBuilder->getDQLPart('join')) |
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) { |
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return false; |
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} |
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$orderByAliases = []; |
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foreach ($orderByParts as $orderBy) { |
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$parts = QueryNameGenerator::getOrderByParts($orderBy); |
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foreach ($parts as $part) { |
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if (false !== ($pos = strpos($part, '.'))) { |
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$alias = substr($part, 0, $pos); |
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$orderByAliases[$alias] = true; |
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} |
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} |
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} |
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if (!empty($orderByAliases)) { |
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foreach ($joinParts as $rootAlias => $joins) { |
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foreach ($joins as $join) { |
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$alias = QueryNameGenerator::getJoinAlias($join); |
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if (isset($orderByAliases[$alias])) { |
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$relationship = QueryNameGenerator::getJoinRelationship($join); |
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$relationshipParts = explode('.', $relationship); |
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$parentAlias = $relationshipParts[0]; |
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$association = $relationshipParts[1]; |
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$parentMetadata = QueryNameGenerator::getClassMetadataFromJoinAlias($parentAlias, $queryBuilder, $managerRegistry); |
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if ($parentMetadata->isCollectionValuedAssociation($association)) { |
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return true; |
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} |
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} |
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} |
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} |
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} |
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return false; |
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} |
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} |
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api-platform /
core
