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<?php
declare(strict_types=1);
namespace Doctrine\ORM\Utility;
use Doctrine\ORM\EntityManagerInterface;
use Doctrine\ORM\Mapping\ClassMetadata;
use Doctrine\ORM\Query\QueryException;
use RuntimeException;
use function sprintf;
/**
* The PersisterHelper contains logic to infer binding types which is used in
* several persisters.
*
* @link www.doctrine-project.org
*/
class PersisterHelper
{
/**
* @return list<string>
*
* @throws QueryException
*/
public static function getTypeOfField(string $fieldName, ClassMetadata $class, EntityManagerInterface $em): array
{
if (isset($class->fieldMappings[$fieldName])) {
return [$class->fieldMappings[$fieldName]->type];
}
if (! isset($class->associationMappings[$fieldName])) {
return [];
}
$assoc = $class->associationMappings[$fieldName];
if (! $assoc->isOwningSide()) {
return self::getTypeOfField($assoc->mappedBy, $em->getClassMetadata($assoc->targetEntity), $em);
}
if ($assoc->isManyToManyOwningSide()) {
$joinData = $assoc->joinTable;
} else {
$joinData = $assoc;
}
$types = [];
$targetClass = $em->getClassMetadata($assoc->targetEntity);
foreach ($joinData->joinColumns as $joinColumn) {
$types[] = self::getTypeOfColumn($joinColumn->referencedColumnName, $targetClass, $em);
}
return $types;
}
/** @throws RuntimeException */
public static function getTypeOfColumn(string $columnName, ClassMetadata $class, EntityManagerInterface $em): string
{
if (isset($class->fieldNames[$columnName])) {
$fieldName = $class->fieldNames[$columnName];
if (isset($class->fieldMappings[$fieldName])) {
return $class->fieldMappings[$fieldName]->type;
}
}
// iterate over to-one association mappings
foreach ($class->associationMappings as $assoc) {
if (! $assoc->isToOneOwningSide()) {
continue;
}
foreach ($assoc->joinColumns as $joinColumn) {
if ($joinColumn->name === $columnName) {
$targetColumnName = $joinColumn->referencedColumnName;
$targetClass = $em->getClassMetadata($assoc->targetEntity);
return self::getTypeOfColumn($targetColumnName, $targetClass, $em);
}
}
}
// iterate over to-many association mappings
foreach ($class->associationMappings as $assoc) {
if (! $assoc->isManyToManyOwningSide()) {
continue;
}
foreach ($assoc->joinTable->joinColumns as $joinColumn) {
if ($joinColumn->name === $columnName) {
$targetColumnName = $joinColumn->referencedColumnName;
$targetClass = $em->getClassMetadata($assoc->targetEntity);
return self::getTypeOfColumn($targetColumnName, $targetClass, $em);
}
}
}
throw new RuntimeException(sprintf(
'Could not resolve type of column "%s" of class "%s"',
$columnName,
$class->getName(),
));
}
}
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