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2024-05-18 02:28:01 +02:00
parent 9513cdba09
commit 9f30bc98c7
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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bridge\Doctrine\Validator;
+
+use Doctrine\ORM\EntityManagerInterface;
+use Doctrine\ORM\Mapping\ClassMetadata as OrmClassMetadata;
+use Doctrine\ORM\Mapping\MappingException as OrmMappingException;
+use Doctrine\Persistence\Mapping\MappingException;
+use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
+use Symfony\Component\PropertyInfo\Type;
+use Symfony\Component\Validator\Constraints\Length;
+use Symfony\Component\Validator\Constraints\Valid;
+use Symfony\Component\Validator\Mapping\AutoMappingStrategy;
+use Symfony\Component\Validator\Mapping\ClassMetadata;
+use Symfony\Component\Validator\Mapping\Loader\AutoMappingTrait;
+use Symfony\Component\Validator\Mapping\Loader\LoaderInterface;
+
+/**
+ * Guesses and loads the appropriate constraints using Doctrine's metadata.
+ *
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ */
+final class DoctrineLoader implements LoaderInterface
+{
+    use AutoMappingTrait;
+
+    private EntityManagerInterface $entityManager;
+    private ?string $classValidatorRegexp;
+
+    public function __construct(EntityManagerInterface $entityManager, ?string $classValidatorRegexp = null)
+    {
+        $this->entityManager = $entityManager;
+        $this->classValidatorRegexp = $classValidatorRegexp;
+    }
+
+    public function loadClassMetadata(ClassMetadata $metadata): bool
+    {
+        $className = $metadata->getClassName();
+        try {
+            $doctrineMetadata = $this->entityManager->getClassMetadata($className);
+        } catch (MappingException|OrmMappingException) {
+            return false;
+        }
+
+        if (!$doctrineMetadata instanceof OrmClassMetadata) {
+            return false;
+        }
+
+        $loaded = false;
+        $enabledForClass = $this->isAutoMappingEnabledForClass($metadata, $this->classValidatorRegexp);
+
+        /* Available keys:
+           - type
+           - scale
+           - length
+           - unique
+           - nullable
+           - precision
+         */
+        $existingUniqueFields = $this->getExistingUniqueFields($metadata);
+
+        // Type and nullable aren't handled here, use the PropertyInfo Loader instead.
+        foreach ($doctrineMetadata->fieldMappings as $mapping) {
+            $enabledForProperty = $enabledForClass;
+            $lengthConstraint = null;
+            foreach ($metadata->getPropertyMetadata($mapping['fieldName']) as $propertyMetadata) {
+                // Enabling or disabling auto-mapping explicitly always takes precedence
+                if (AutoMappingStrategy::DISABLED === $propertyMetadata->getAutoMappingStrategy()) {
+                    continue 2;
+                }
+                if (AutoMappingStrategy::ENABLED === $propertyMetadata->getAutoMappingStrategy()) {
+                    $enabledForProperty = true;
+                }
+
+                foreach ($propertyMetadata->getConstraints() as $constraint) {
+                    if ($constraint instanceof Length) {
+                        $lengthConstraint = $constraint;
+                    }
+                }
+            }
+
+            if (!$enabledForProperty) {
+                continue;
+            }
+
+            if (true === ($mapping['unique'] ?? false) && !isset($existingUniqueFields[$mapping['fieldName']])) {
+                $metadata->addConstraint(new UniqueEntity(['fields' => $mapping['fieldName']]));
+                $loaded = true;
+            }
+
+            if (null === ($mapping['length'] ?? null) || null !== ($mapping['enumType'] ?? null) || !\in_array($mapping['type'], ['string', 'text'], true)) {
+                continue;
+            }
+
+            if (null === $lengthConstraint) {
+                if (isset($mapping['originalClass']) && !str_contains($mapping['declaredField'], '.')) {
+                    $metadata->addPropertyConstraint($mapping['declaredField'], new Valid());
+                    $loaded = true;
+                } elseif (property_exists($className, $mapping['fieldName']) && (!$doctrineMetadata->isMappedSuperclass || $metadata->getReflectionClass()->getProperty($mapping['fieldName'])->isPrivate())) {
+                    $metadata->addPropertyConstraint($mapping['fieldName'], new Length(['max' => $mapping['length']]));
+                    $loaded = true;
+                }
+            } elseif (null === $lengthConstraint->max) {
+                // If a Length constraint exists and no max length has been explicitly defined, set it
+                $lengthConstraint->max = $mapping['length'];
+            }
+        }
+
+        return $loaded;
+    }
+
+    private function getExistingUniqueFields(ClassMetadata $metadata): array
+    {
+        $fields = [];
+        foreach ($metadata->getConstraints() as $constraint) {
+            if (!$constraint instanceof UniqueEntity) {
+                continue;
+            }
+
+            if (\is_string($constraint->fields)) {
+                $fields[$constraint->fields] = true;
+            } elseif (\is_array($constraint->fields) && 1 === \count($constraint->fields)) {
+                $fields[$constraint->fields[0]] = true;
+            }
+        }
+
+        return $fields;
+    }
+}