285 lines
11 KiB
PHP
285 lines
11 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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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 Symfony\Component\Validator\Mapping\Loader;
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use Symfony\Component\PropertyInfo\PropertyAccessExtractorInterface;
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use Symfony\Component\PropertyInfo\PropertyListExtractorInterface;
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use Symfony\Component\PropertyInfo\PropertyTypeExtractorInterface;
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use Symfony\Component\PropertyInfo\Type as PropertyInfoType;
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use Symfony\Component\TypeInfo\Type as TypeInfoType;
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use Symfony\Component\TypeInfo\Type\CollectionType;
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use Symfony\Component\TypeInfo\Type\IntersectionType;
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use Symfony\Component\TypeInfo\Type\ObjectType;
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use Symfony\Component\TypeInfo\Type\UnionType;
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use Symfony\Component\TypeInfo\TypeIdentifier;
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use Symfony\Component\Validator\Constraints\All;
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use Symfony\Component\Validator\Constraints\NotBlank;
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use Symfony\Component\Validator\Constraints\NotNull;
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use Symfony\Component\Validator\Constraints\Type;
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use Symfony\Component\Validator\Mapping\AutoMappingStrategy;
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use Symfony\Component\Validator\Mapping\ClassMetadata;
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/**
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* Guesses and loads the appropriate constraints using PropertyInfo.
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*
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* @author Kévin Dunglas <dunglas@gmail.com>
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*/
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final class PropertyInfoLoader implements LoaderInterface
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{
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use AutoMappingTrait;
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public function __construct(
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private PropertyListExtractorInterface $listExtractor,
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private PropertyTypeExtractorInterface $typeExtractor,
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private PropertyAccessExtractorInterface $accessExtractor,
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private ?string $classValidatorRegexp = null,
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) {
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}
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public function loadClassMetadata(ClassMetadata $metadata): bool
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{
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$className = $metadata->getClassName();
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if (!$properties = $this->listExtractor->getProperties($className)) {
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return false;
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}
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$loaded = false;
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$enabledForClass = $this->isAutoMappingEnabledForClass($metadata, $this->classValidatorRegexp);
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foreach ($properties as $property) {
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if (false === $this->accessExtractor->isWritable($className, $property)) {
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continue;
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}
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if (!property_exists($className, $property)) {
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continue;
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}
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$types = $this->getPropertyTypes($className, $property);
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if (null === $types) {
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continue;
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}
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$enabledForProperty = $enabledForClass;
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$hasTypeConstraint = false;
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$hasNotNullConstraint = false;
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$hasNotBlankConstraint = false;
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$allConstraint = null;
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foreach ($metadata->getPropertyMetadata($property) as $propertyMetadata) {
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// Enabling or disabling auto-mapping explicitly always takes precedence
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if (AutoMappingStrategy::DISABLED === $propertyMetadata->getAutoMappingStrategy()) {
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continue 2;
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}
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if (AutoMappingStrategy::ENABLED === $propertyMetadata->getAutoMappingStrategy()) {
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$enabledForProperty = true;
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}
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foreach ($propertyMetadata->getConstraints() as $constraint) {
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if ($constraint instanceof Type) {
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$hasTypeConstraint = true;
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} elseif ($constraint instanceof NotNull) {
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$hasNotNullConstraint = true;
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} elseif ($constraint instanceof NotBlank) {
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$hasNotBlankConstraint = true;
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} elseif ($constraint instanceof All) {
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$allConstraint = $constraint;
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}
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}
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}
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if (!$enabledForProperty) {
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continue;
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}
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$loaded = true;
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// BC layer for PropertyTypeExtractorInterface::getTypes().
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// Can be removed as soon as PropertyTypeExtractorInterface::getTypes() is removed (8.0).
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if (\is_array($types)) {
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$builtinTypes = [];
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$nullable = false;
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$scalar = true;
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foreach ($types as $type) {
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$builtinTypes[] = $type->getBuiltinType();
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if ($scalar && !\in_array($type->getBuiltinType(), ['int', 'float', 'string', 'bool'], true)) {
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$scalar = false;
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}
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if (!$nullable && $type->isNullable()) {
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$nullable = true;
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}
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}
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if (!$hasTypeConstraint) {
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if (1 === \count($builtinTypes)) {
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if ($types[0]->isCollection() && \count($collectionValueType = $types[0]->getCollectionValueTypes()) > 0) {
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[$collectionValueType] = $collectionValueType;
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$this->handleAllConstraintLegacy($property, $allConstraint, $collectionValueType, $metadata);
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}
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$metadata->addPropertyConstraint($property, $this->getTypeConstraintLegacy($builtinTypes[0], $types[0]));
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} elseif ($scalar) {
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$metadata->addPropertyConstraint($property, new Type(['type' => 'scalar']));
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}
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}
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if (!$nullable && !$hasNotBlankConstraint && !$hasNotNullConstraint) {
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$metadata->addPropertyConstraint($property, new NotNull());
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}
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} else {
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if ($hasTypeConstraint) {
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continue;
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}
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$type = $types;
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$nullable = false;
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if ($type instanceof UnionType && $type->isNullable()) {
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$nullable = true;
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$type = $type->asNonNullable();
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}
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if ($type instanceof CollectionType) {
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$this->handleAllConstraint($property, $allConstraint, $type->getCollectionValueType(), $metadata);
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}
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if (null !== $typeConstraint = $this->getTypeConstraint($type)) {
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$metadata->addPropertyConstraint($property, $typeConstraint);
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}
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if (!$nullable && !$hasNotBlankConstraint && !$hasNotNullConstraint) {
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$metadata->addPropertyConstraint($property, new NotNull());
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}
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}
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}
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return $loaded;
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}
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/**
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* BC layer for PropertyTypeExtractorInterface::getTypes().
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* Can be removed as soon as PropertyTypeExtractorInterface::getTypes() is removed (8.0).
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*
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* @return TypeInfoType|list<PropertyInfoType>|null
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*/
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private function getPropertyTypes(string $className, string $property): TypeInfoType|array|null
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{
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if (method_exists($this->typeExtractor, 'getType')) {
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return $this->typeExtractor->getType($className, $property);
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}
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return $this->typeExtractor->getTypes($className, $property);
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}
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/**
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* BC layer for PropertyTypeExtractorInterface::getTypes().
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* Can be removed as soon as PropertyTypeExtractorInterface::getTypes() is removed (8.0).
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*/
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private function getTypeConstraintLegacy(string $builtinType, PropertyInfoType $type): Type
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{
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if (PropertyInfoType::BUILTIN_TYPE_OBJECT === $builtinType && null !== $className = $type->getClassName()) {
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return new Type(['type' => $className]);
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}
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return new Type(['type' => $builtinType]);
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}
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private function getTypeConstraint(TypeInfoType $type): ?Type
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{
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if ($type instanceof UnionType || $type instanceof IntersectionType) {
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return ($type->isA(TypeIdentifier::INT) || $type->isA(TypeIdentifier::FLOAT) || $type->isA(TypeIdentifier::STRING) || $type->isA(TypeIdentifier::BOOL)) ? new Type(['type' => 'scalar']) : null;
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}
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$baseType = $type->getBaseType();
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if ($baseType instanceof ObjectType) {
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return new Type(['type' => $baseType->getClassName()]);
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}
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if (TypeIdentifier::MIXED !== $baseType->getTypeIdentifier()) {
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return new Type(['type' => $baseType->getTypeIdentifier()->value]);
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}
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return null;
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}
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private function handleAllConstraint(string $property, ?All $allConstraint, TypeInfoType $type, ClassMetadata $metadata): void
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{
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$containsTypeConstraint = false;
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$containsNotNullConstraint = false;
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if (null !== $allConstraint) {
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foreach ($allConstraint->constraints as $constraint) {
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if ($constraint instanceof Type) {
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$containsTypeConstraint = true;
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} elseif ($constraint instanceof NotNull) {
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$containsNotNullConstraint = true;
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}
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}
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}
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$constraints = [];
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if (!$containsNotNullConstraint && !$type->isNullable()) {
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$constraints[] = new NotNull();
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}
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if (!$containsTypeConstraint && null !== $typeConstraint = $this->getTypeConstraint($type)) {
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$constraints[] = $typeConstraint;
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}
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if (!$constraints) {
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return;
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}
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if (null === $allConstraint) {
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$metadata->addPropertyConstraint($property, new All(['constraints' => $constraints]));
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} else {
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$allConstraint->constraints = array_merge($allConstraint->constraints, $constraints);
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}
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}
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/**
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* BC layer for PropertyTypeExtractorInterface::getTypes().
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* Can be removed as soon as PropertyTypeExtractorInterface::getTypes() is removed (8.0).
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*/
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private function handleAllConstraintLegacy(string $property, ?All $allConstraint, PropertyInfoType $propertyInfoType, ClassMetadata $metadata): void
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{
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$containsTypeConstraint = false;
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$containsNotNullConstraint = false;
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if (null !== $allConstraint) {
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foreach ($allConstraint->constraints as $constraint) {
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if ($constraint instanceof Type) {
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$containsTypeConstraint = true;
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} elseif ($constraint instanceof NotNull) {
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$containsNotNullConstraint = true;
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}
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}
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}
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$constraints = [];
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if (!$containsNotNullConstraint && !$propertyInfoType->isNullable()) {
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$constraints[] = new NotNull();
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}
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if (!$containsTypeConstraint) {
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$constraints[] = $this->getTypeConstraintLegacy($propertyInfoType->getBuiltinType(), $propertyInfoType);
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}
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if (null === $allConstraint) {
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$metadata->addPropertyConstraint($property, new All(['constraints' => $constraints]));
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} else {
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$allConstraint->constraints = array_merge($allConstraint->constraints, $constraints);
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}
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}
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}
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