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<?php
/*
* This file is part of the API Platform project.
*
* (c) Kévin Dunglas <dunglas@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
declare(strict_types=1);
namespace ApiPlatform\Doctrine\Orm\State;
use ApiPlatform\Doctrine\Common\State\LinksHandlerTrait as CommonLinksHandlerTrait;
use ApiPlatform\Doctrine\Orm\Util\QueryNameGenerator;
use ApiPlatform\Metadata\Operation;
use Doctrine\ORM\Mapping\ClassMetadataInfo;
use Doctrine\ORM\QueryBuilder;
trait LinksHandlerTrait
{
use CommonLinksHandlerTrait;
private function handleLinks(QueryBuilder $queryBuilder, array $identifiers, QueryNameGenerator $queryNameGenerator, array $context, string $resourceClass, Operation $operation): void
{
if (!$identifiers) {
return;
}
$manager = $this->managerRegistry->getManagerForClass($resourceClass);
$doctrineClassMetadata = $manager->getClassMetadata($resourceClass);
$alias = $queryBuilder->getRootAliases()[0];
$links = $this->getLinks($resourceClass, $operation, $context);
if (!$links) {
return;
}
$previousAlias = $alias;
$previousJoinProperties = $doctrineClassMetadata->getIdentifierFieldNames();
$expressions = [];
$identifiers = array_reverse($identifiers);
foreach (array_reverse($links) as $link) {
if (null !== $link->getExpandedValue() || !$link->getFromClass()) {
continue;
}
$identifierProperties = $link->getIdentifiers();
$hasCompositeIdentifiers = 1 < \count($identifierProperties);
if (!$link->getFromProperty() && !$link->getToProperty()) {
$doctrineClassMetadata = $manager->getClassMetadata($link->getFromClass());
$currentAlias = $link->getFromClass() === $resourceClass ? $alias : $queryNameGenerator->generateJoinAlias($alias);
foreach ($identifierProperties as $identifierProperty) {
$placeholder = $queryNameGenerator->generateParameterName($identifierProperty);
$queryBuilder->andWhere("$currentAlias.$identifierProperty = :$placeholder");
$queryBuilder->setParameter($placeholder, $this->getIdentifierValue($identifiers, $hasCompositeIdentifiers ? $identifierProperty : null), $doctrineClassMetadata->getTypeOfField($identifierProperty));
}
$previousAlias = $currentAlias;
$previousJoinProperties = $doctrineClassMetadata->getIdentifierFieldNames();
continue;
}
$joinProperties = $doctrineClassMetadata->getIdentifierFieldNames();
if ($link->getFromProperty() && !$link->getToProperty()) {
$doctrineClassMetadata = $manager->getClassMetadata($link->getFromClass());
$joinAlias = $queryNameGenerator->generateJoinAlias('m');
$associationMapping = $doctrineClassMetadata->getAssociationMapping($link->getFromProperty()); // @phpstan-ignore-line
$relationType = $associationMapping['type'];
if ($relationType & ClassMetadataInfo::TO_MANY) {
$nextAlias = $queryNameGenerator->generateJoinAlias($alias);
$whereClause = [];
foreach ($identifierProperties as $identifierProperty) {
$placeholder = $queryNameGenerator->generateParameterName($identifierProperty);
$whereClause[] = "$nextAlias.{$identifierProperty} = :$placeholder";
$queryBuilder->setParameter($placeholder, $this->getIdentifierValue($identifiers, $hasCompositeIdentifiers ? $identifierProperty : null), $doctrineClassMetadata->getTypeOfField($identifierProperty));
}
$property = $associationMapping['mappedBy'] ?? $joinProperties[0];
$select = isset($associationMapping['mappedBy']) ? "IDENTITY($joinAlias.$property)" : "$joinAlias.$property";
$expressions["$previousAlias.{$property}"] = "SELECT $select FROM {$link->getFromClass()} $nextAlias INNER JOIN $nextAlias.{$associationMapping['fieldName']} $joinAlias WHERE ".implode(' AND ', $whereClause);
$previousAlias = $nextAlias;
continue;
}
// A single-valued association path expression to an inverse side is not supported in DQL queries.
if ($relationType & ClassMetadataInfo::TO_ONE && !($associationMapping['isOwningSide'] ?? true)) {
$queryBuilder->innerJoin("$previousAlias.".$associationMapping['mappedBy'], $joinAlias);
} else {
$queryBuilder->join(
$link->getFromClass(),
$joinAlias,
'WITH',
"$previousAlias.{$previousJoinProperties[0]} = $joinAlias.{$associationMapping['fieldName']}"
);
}
foreach ($identifierProperties as $identifierProperty) {
$placeholder = $queryNameGenerator->generateParameterName($identifierProperty);
$queryBuilder->andWhere("$joinAlias.$identifierProperty = :$placeholder");
$queryBuilder->setParameter($placeholder, $this->getIdentifierValue($identifiers, $hasCompositeIdentifiers ? $identifierProperty : null), $doctrineClassMetadata->getTypeOfField($identifierProperty));
}
$previousAlias = $joinAlias;
$previousJoinProperties = $joinProperties;
continue;
}
$joinAlias = $queryNameGenerator->generateJoinAlias($alias);
$queryBuilder->join("{$previousAlias}.{$link->getToProperty()}", $joinAlias);
foreach ($identifierProperties as $identifierProperty) {
$placeholder = $queryNameGenerator->generateParameterName($identifierProperty);
$queryBuilder->andWhere("$joinAlias.$identifierProperty = :$placeholder");
$queryBuilder->setParameter($placeholder, $this->getIdentifierValue($identifiers, $hasCompositeIdentifiers ? $identifierProperty : null), $doctrineClassMetadata->getTypeOfField($identifierProperty));
}
$previousAlias = $joinAlias;
$previousJoinProperties = $joinProperties;
}
if ($expressions) {
$i = 0;
$clause = '';
foreach ($expressions as $alias => $expression) {
if (0 === $i) {
$clause .= "$alias IN (".$expression;
++$i;
continue;
}
$clause .= " AND $alias IN (".$expression;
++$i;
}
$queryBuilder->andWhere($clause.str_repeat(')', $i));
}
}
}