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<?php |
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declare(strict_types=1); |
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namespace Andi\GraphQL\ObjectFieldResolver\Middleware; |
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use Andi\GraphQL\ArgumentResolver\ArgumentResolverInterface; |
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use Andi\GraphQL\Attribute\AbstractField; |
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use Andi\GraphQL\Attribute\Argument; |
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use Andi\GraphQL\Common\LazyParserType; |
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use Andi\GraphQL\Common\LazyTypeByReflectionType; |
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use Andi\GraphQL\Common\ReflectionMethodWithAttribute; |
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use Andi\GraphQL\Exception\CantResolveGraphQLTypeException; |
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use Andi\GraphQL\ObjectFieldResolver\ObjectFieldResolverInterface; |
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use Andi\GraphQL\TypeRegistryInterface; |
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use GraphQL\Type\Definition as Webonyx; |
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use phpDocumentor\Reflection\DocBlock\Tags\Deprecated; |
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use phpDocumentor\Reflection\DocBlockFactory; |
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use Spiral\Attributes\ReaderInterface; |
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/** |
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* @see Webonyx\FieldDefinition |
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* |
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* @phpstan-import-type FieldDefinitionConfig from Webonyx\FieldDefinition |
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*/ |
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abstract class AbstractFieldByReflectionMethodMiddleware implements MiddlewareInterface |
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{ |
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/** |
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* @var class-string<AbstractField> |
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*/ |
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protected string $targetAttribute; |
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public function __construct( |
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private readonly ReaderInterface $reader, |
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private readonly TypeRegistryInterface $typeRegistry, |
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private readonly ArgumentResolverInterface $argumentResolver, |
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) { |
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} |
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public function process(mixed $field, ObjectFieldResolverInterface $fieldResolver): Webonyx\FieldDefinition |
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{ |
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if (! $field instanceof ReflectionMethodWithAttribute) { |
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return $fieldResolver->resolve($field); |
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} |
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if (! $field->attribute instanceof $this->targetAttribute) { |
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return $fieldResolver->resolve($field); |
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} |
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$config = [ |
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'name' => $this->getFieldName($field->method, $field->attribute), |
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'description' => $this->getFieldDescription($field->method, $field->attribute), |
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'type' => $this->getFieldType($field->method, $field->attribute), |
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'deprecationReason' => $this->getFieldDeprecationReason($field->method, $field->attribute), |
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]; |
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return $this->buildField($config, $field->method); |
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} |
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private function getFieldName(\ReflectionMethod $method, AbstractField $attribute): ?string |
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{ |
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if ($attribute->name) { |
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return $attribute->name; |
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} |
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$name = $method->getName(); |
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if (\str_starts_with($name, 'get')) { |
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$name = \substr($name, 3); |
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} |
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return \lcfirst($name); |
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} |
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private function getFieldDescription(\ReflectionMethod $method, AbstractField $attribute): ?string |
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{ |
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if ($attribute->description) { |
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return $attribute->description; |
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} |
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if ($docComment = $method->getDocComment()) { |
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return DocBlockFactory::createInstance()->create($docComment)->getSummary() ?: null; |
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} |
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return null; |
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} |
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private function getFieldType(\ReflectionMethod $method, AbstractField $attribute): callable |
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{ |
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if ($attribute->type) { |
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return new LazyParserType($attribute->type, $attribute->mode ?? 0, $this->typeRegistry); |
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} |
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if (! $method->hasReturnType()) { |
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throw new CantResolveGraphQLTypeException(\sprintf( |
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'Can\'t resolve GraphQL type for field "%s"', |
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$method->getName() |
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)); |
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} |
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return new LazyTypeByReflectionType( |
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$method->getReturnType(), |
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$this->typeRegistry, |
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$method->getDeclaringClass()->getName(), |
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); |
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} |
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protected function getFieldArguments(\ReflectionMethod $method): \Generator |
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{ |
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$map = []; |
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foreach ($method->getParameters() as $parameter) { |
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if (null !== $this->reader->firstParameterMetadata($parameter, Argument::class)) { |
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$argument = $this->argumentResolver->resolve($parameter); |
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$map[$argument['name']] = $parameter->getName(); |
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yield $argument; |
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} |
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} |
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return $map; |
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} |
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/** |
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* @param FieldDefinitionConfig $config |
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* @param \ReflectionMethod $method |
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* |
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* @return Webonyx\FieldDefinition |
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*/ |
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abstract protected function buildField(array $config, \ReflectionMethod $method): Webonyx\FieldDefinition; |
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private function getFieldDeprecationReason(\ReflectionMethod $method, AbstractField $attribute): ?string |
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{ |
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if ($attribute->deprecationReason) { |
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return $attribute->deprecationReason; |
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} |
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if ($docComment = $method->getDocComment()) { |
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$docBlock = DocBlockFactory::createInstance()->create($docComment); |
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foreach ($docBlock->getTags() as $tag) { |
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if ($tag instanceof Deprecated) { |
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return (string) $tag->getDescription() ?: null; |
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} |
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} |
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} |
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return null; |
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} |
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} |
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andrey-mokhov /
graphql-php
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