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<?php |
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namespace Arthem\GraphQLMapper\Mapping\Guess; |
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use Arthem\GraphQLMapper\Mapping\Context\ContainerContext; |
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use Arthem\GraphQLMapper\Mapping\Context\FieldContext; |
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use Arthem\GraphQLMapper\Mapping\Field; |
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use Arthem\GraphQLMapper\Mapping\SchemaContainer; |
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use Arthem\GraphQLMapper\Mapping\Type; |
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use Doctrine\Common\Persistence\Mapping\ClassMetadataFactory; |
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use Doctrine\Common\Persistence\Mapping\MappingException; |
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use Doctrine\Common\Persistence\ObjectManager; |
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use Doctrine\DBAL\Types\Type as DoctrineType; |
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use Doctrine\ORM\Mapping\ClassMetadataInfo; |
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class DoctrineGuesser implements TypeGuesserInterface, FieldGuesserInterface |
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{ |
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/** |
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* @var ClassMetadataFactory |
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*/ |
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private $metadataFactory; |
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/** |
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* @param ObjectManager $objectManager |
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*/ |
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public function __construct(ObjectManager $objectManager) |
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{ |
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$this->metadataFactory = $objectManager->getMetadataFactory(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function guessFieldType(FieldContext $fieldContext) |
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{ |
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if (!$this->isFieldContainerSupported($fieldContext)) { |
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return; |
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} |
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/** @var Type $fieldContainer */ |
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$fieldContainer = $fieldContext->getContainer(); |
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$model = $fieldContainer->getModel(); |
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if (null === $metadata = $this->getMetadata($model)) { |
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return; |
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} |
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$field = $fieldContext->getField(); |
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$property = $field->getProperty() ?: $field->getName(); |
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if ($metadata->hasAssociation($property)) { |
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return $this->guessAssociation($metadata, $field, $fieldContext->getSchema()); |
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} |
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switch ($metadata->getTypeOfField($property)) { |
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case DoctrineType::TARRAY: |
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case DoctrineType::JSON_ARRAY: |
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return $this->wrapRequired($metadata, $property, '[String]', Guess::LOW_CONFIDENCE); |
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case DoctrineType::BOOLEAN: |
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return new TypeGuess('Boolean', Guess::HIGH_CONFIDENCE); |
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case DoctrineType::DATETIME: |
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case DoctrineType::DATETIMETZ: |
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case 'vardatetime': |
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case DoctrineType::DATE: |
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case DoctrineType::TIME: |
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return $this->wrapRequired($metadata, $property, 'String', Guess::MEDIUM_CONFIDENCE); |
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case DoctrineType::DECIMAL: |
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case DoctrineType::FLOAT: |
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return $this->wrapRequired($metadata, $property, 'Number', Guess::MEDIUM_CONFIDENCE); |
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case DoctrineType::INTEGER: |
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case DoctrineType::BIGINT: |
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case DoctrineType::SMALLINT: |
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return $this->wrapRequired($metadata, $property, 'Int', Guess::MEDIUM_CONFIDENCE); |
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case DoctrineType::STRING: |
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return $this->wrapRequired($metadata, $property, 'String', Guess::MEDIUM_CONFIDENCE); |
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case DoctrineType::TEXT: |
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return $this->wrapRequired($metadata, $property, 'String', Guess::MEDIUM_CONFIDENCE); |
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default: |
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return $this->wrapRequired($metadata, $property, 'String', Guess::LOW_CONFIDENCE); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function guessFieldResolveConfig(FieldContext $fieldContext) |
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{ |
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if (!$this->isFieldContainerSupported($fieldContext)) { |
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return; |
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} |
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/** @var Type $type */ |
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$type = $fieldContext->getContainer(); |
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return new ResolveConfigGuess([ |
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'handler' => 'doctrine', |
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'entity' => $type->getModel(), |
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]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function guessTypeResolveConfig(ContainerContext $containerContext) |
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{ |
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if (!$this->isFieldContainerSupported($containerContext)) { |
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return; |
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} |
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/** @var Type $type */ |
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$type = $containerContext->getContainer(); |
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return new ResolveConfigGuess([ |
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'handler' => 'doctrine', |
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'entity' => $type->getModel(), |
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]); |
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} |
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/** |
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* @param ClassMetadataInfo $metadata |
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* @param string $property |
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* @param string $type |
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* @param int $confidence |
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* @return TypeGuess |
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*/ |
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private function wrapRequired(ClassMetadataInfo $metadata, $property, $type, $confidence) |
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{ |
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if (!$metadata->isNullable($property)) { |
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$type .= '!'; |
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} |
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return new TypeGuess($type, $confidence); |
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} |
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/** |
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* @param ClassMetadataInfo $metadata |
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* @param Field $field |
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* @param SchemaContainer $schemaContainer |
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* @return TypeGuess |
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* @throws MappingException |
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*/ |
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private function guessAssociation(ClassMetadataInfo $metadata, Field $field, SchemaContainer $schemaContainer) |
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{ |
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$property = $field->getProperty() ?: $field->getName(); |
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$multiple = $metadata->isCollectionValuedAssociation($property); |
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$mapping = $metadata->getAssociationMapping($property); |
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foreach ($schemaContainer->getTypes() as $type) { |
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$containerContext = new ContainerContext($type, $schemaContainer); |
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if (!$this->isFieldContainerSupported($containerContext)) { |
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continue; |
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} |
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if ($type->getModel() === $mapping['targetEntity']) { |
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$typeName = $type->getName(); |
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if ($multiple) { |
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$typeName = sprintf('[%s]', $typeName); |
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} |
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return new TypeGuess($typeName, Guess::HIGH_CONFIDENCE); |
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} |
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} |
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} |
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/** |
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* @param ContainerContext $containerContext |
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* @return bool |
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*/ |
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private function isFieldContainerSupported(ContainerContext $containerContext) |
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{ |
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$fieldContainer = $containerContext->getContainer(); |
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if (!$fieldContainer instanceof Type) { |
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return false; |
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} |
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return !empty($fieldContainer->getModel()); |
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} |
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/** |
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* @param string $class |
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* @return ClassMetadataInfo |
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*/ |
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protected function getMetadata($class) |
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{ |
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try { |
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return $this->metadataFactory->getMetadataFor($class); |
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} catch (MappingException $e) { |
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// not an entity or mapped super class |
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} |
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} |
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} |
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4rthem /
graphql-mapper
