From bf6655a534a6775d30cafa67bd801276bda1d98d Mon Sep 17 00:00:00 2001
From: polo <ordipolo@gmx.fr>
Date: Tue, 13 Aug 2024 23:45:21 +0200
Subject: =?UTF-8?q?VERSION=200.2=20doctrine=20ORM=20et=20entit=C3=A9s?=
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---
 .../orm/src/Cache/DefaultEntityHydrator.php        | 176 +++++++++++++++++++++
 1 file changed, 176 insertions(+)
 create mode 100644 vendor/doctrine/orm/src/Cache/DefaultEntityHydrator.php

(limited to 'vendor/doctrine/orm/src/Cache/DefaultEntityHydrator.php')

diff --git a/vendor/doctrine/orm/src/Cache/DefaultEntityHydrator.php b/vendor/doctrine/orm/src/Cache/DefaultEntityHydrator.php
new file mode 100644
index 0000000..6bd1524
--- /dev/null
+++ b/vendor/doctrine/orm/src/Cache/DefaultEntityHydrator.php
@@ -0,0 +1,176 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\ORM\Cache;
+
+use Doctrine\ORM\EntityManagerInterface;
+use Doctrine\ORM\Mapping\ClassMetadata;
+use Doctrine\ORM\Proxy\DefaultProxyClassNameResolver;
+use Doctrine\ORM\Query;
+use Doctrine\ORM\UnitOfWork;
+use Doctrine\ORM\Utility\IdentifierFlattener;
+
+use function assert;
+use function is_array;
+use function is_object;
+use function reset;
+
+/**
+ * Default hydrator cache for entities
+ */
+class DefaultEntityHydrator implements EntityHydrator
+{
+    private readonly UnitOfWork $uow;
+    private readonly IdentifierFlattener $identifierFlattener;
+
+    /** @var array<string,mixed> */
+    private static array $hints = [Query::HINT_CACHE_ENABLED => true];
+
+    public function __construct(
+        private readonly EntityManagerInterface $em,
+    ) {
+        $this->uow                 = $em->getUnitOfWork();
+        $this->identifierFlattener = new IdentifierFlattener($em->getUnitOfWork(), $em->getMetadataFactory());
+    }
+
+    public function buildCacheEntry(ClassMetadata $metadata, EntityCacheKey $key, object $entity): EntityCacheEntry
+    {
+        $data = $this->uow->getOriginalEntityData($entity);
+        $data = [...$data, ...$metadata->getIdentifierValues($entity)]; // why update has no identifier values ?
+
+        if ($metadata->requiresFetchAfterChange) {
+            if ($metadata->isVersioned) {
+                assert($metadata->versionField !== null);
+                $data[$metadata->versionField] = $metadata->getFieldValue($entity, $metadata->versionField);
+            }
+
+            foreach ($metadata->fieldMappings as $name => $fieldMapping) {
+                if (isset($fieldMapping->generated)) {
+                    $data[$name] = $metadata->getFieldValue($entity, $name);
+                }
+            }
+        }
+
+        foreach ($metadata->associationMappings as $name => $assoc) {
+            if (! isset($data[$name])) {
+                continue;
+            }
+
+            if (! $assoc->isToOne()) {
+                unset($data[$name]);
+
+                continue;
+            }
+
+            if (! isset($assoc->cache)) {
+                $targetClassMetadata = $this->em->getClassMetadata($assoc->targetEntity);
+                $owningAssociation   = $this->em->getMetadataFactory()->getOwningSide($assoc);
+                $associationIds      = $this->identifierFlattener->flattenIdentifier(
+                    $targetClassMetadata,
+                    $targetClassMetadata->getIdentifierValues($data[$name]),
+                );
+
+                unset($data[$name]);
+
+                foreach ($associationIds as $fieldName => $fieldValue) {
+                    if (isset($targetClassMetadata->fieldMappings[$fieldName])) {
+                        assert($owningAssociation->isToOneOwningSide());
+                        $fieldMapping = $targetClassMetadata->fieldMappings[$fieldName];
+
+                        $data[$owningAssociation->targetToSourceKeyColumns[$fieldMapping->columnName]] = $fieldValue;
+
+                        continue;
+                    }
+
+                    $targetAssoc = $targetClassMetadata->associationMappings[$fieldName];
+
+                    assert($assoc->isToOneOwningSide());
+                    foreach ($assoc->targetToSourceKeyColumns as $referencedColumn => $localColumn) {
+                        if (isset($targetAssoc->sourceToTargetKeyColumns[$referencedColumn])) {
+                            $data[$localColumn] = $fieldValue;
+                        }
+                    }
+                }
+
+                continue;
+            }
+
+            if (! isset($assoc->id)) {
+                $targetClass = DefaultProxyClassNameResolver::getClass($data[$name]);
+                $targetId    = $this->uow->getEntityIdentifier($data[$name]);
+                $data[$name] = new AssociationCacheEntry($targetClass, $targetId);
+
+                continue;
+            }
+
+            // handle association identifier
+            $targetId = is_object($data[$name]) && $this->uow->isInIdentityMap($data[$name])
+                ? $this->uow->getEntityIdentifier($data[$name])
+                : $data[$name];
+
+            // @TODO - fix it !
+            // handle UnitOfWork#createEntity hash generation
+            if (! is_array($targetId)) {
+                assert($assoc->isToOneOwningSide());
+                $data[reset($assoc->joinColumnFieldNames)] = $targetId;
+
+                $targetEntity = $this->em->getClassMetadata($assoc->targetEntity);
+                $targetId     = [$targetEntity->identifier[0] => $targetId];
+            }
+
+            $data[$name] = new AssociationCacheEntry($assoc->targetEntity, $targetId);
+        }
+
+        return new EntityCacheEntry($metadata->name, $data);
+    }
+
+    public function loadCacheEntry(ClassMetadata $metadata, EntityCacheKey $key, EntityCacheEntry $entry, object|null $entity = null): object|null
+    {
+        $data  = $entry->data;
+        $hints = self::$hints;
+
+        if ($entity !== null) {
+            $hints[Query::HINT_REFRESH]        = true;
+            $hints[Query::HINT_REFRESH_ENTITY] = $entity;
+        }
+
+        foreach ($metadata->associationMappings as $name => $assoc) {
+            if (! isset($assoc->cache) || ! isset($data[$name])) {
+                continue;
+            }
+
+            $assocClass  = $data[$name]->class;
+            $assocId     = $data[$name]->identifier;
+            $isEagerLoad = ($assoc->fetch === ClassMetadata::FETCH_EAGER || ($assoc->isOneToOne() && ! $assoc->isOwningSide()));
+
+            if (! $isEagerLoad) {
+                $data[$name] = $this->em->getReference($assocClass, $assocId);
+
+                continue;
+            }
+
+            $assocMetadata  = $this->em->getClassMetadata($assoc->targetEntity);
+            $assocKey       = new EntityCacheKey($assocMetadata->rootEntityName, $assocId);
+            $assocPersister = $this->uow->getEntityPersister($assoc->targetEntity);
+            $assocRegion    = $assocPersister->getCacheRegion();
+            $assocEntry     = $assocRegion->get($assocKey);
+
+            if ($assocEntry === null) {
+                return null;
+            }
+
+            $data[$name] = $this->uow->createEntity($assocEntry->class, $assocEntry->resolveAssociationEntries($this->em), $hints);
+        }
+
+        if ($entity !== null) {
+            $this->uow->registerManaged($entity, $key->identifier, $data);
+        }
+
+        $result = $this->uow->createEntity($entry->class, $data, $hints);
+
+        $this->uow->hydrationComplete();
+
+        return $result;
+    }
+}
-- 
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