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<?php |
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declare(strict_types=1); |
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namespace Andi\GraphQL\TypeResolver\Middleware; |
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use Andi\GraphQL\Attribute; |
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use Andi\GraphQL\Common\DefinitionAwareTrait; |
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use Andi\GraphQL\TypeResolver\TypeResolverInterface; |
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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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final class EnumTypeMiddleware implements MiddlewareInterface |
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{ |
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use DefinitionAwareTrait; |
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public const PRIORITY = AttributedGraphQLTypeMiddleware::PRIORITY + 256; |
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public function __construct( |
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private readonly ReaderInterface $reader, |
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) { |
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} |
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public function process(mixed $type, TypeResolverInterface $typeResolver): Webonyx\Type |
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{ |
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$enum = \is_string($type) && \enum_exists($type) |
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? new \ReflectionEnum($type) |
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: $type; |
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if ($enum instanceof \ReflectionEnum) { |
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return $this->buildEnumType($enum, $this->reader->firstClassMetadata($enum, Attribute\EnumType::class)); |
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} |
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return $typeResolver->resolve($type); |
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} |
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private function buildEnumType(\ReflectionEnum $class, ?Attribute\EnumType $attribute): Webonyx\EnumType |
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{ |
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$config = [ |
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'name' => $this->getTypeName($class, $attribute), |
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'description' => $this->getTypeDescription($class, $attribute), |
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'values' => [], |
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]; |
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foreach ($class->getCases() as $case) { |
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$caseAttribute = $this->reader->firstConstantMetadata($case, Attribute\EnumValue::class); |
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$config['values'][$this->getCaseName($case, $caseAttribute)] = [ |
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'value' => $case->getValue(), |
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'description' => $this->getCaseDescription($case, $caseAttribute), |
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'deprecationReason' => $this->getCaseDeprecationReason($case, $caseAttribute), |
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]; |
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} |
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return new Webonyx\EnumType($config); |
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} |
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private function getCaseName(\ReflectionEnumUnitCase $case, ?Attribute\EnumValue $attribute): string |
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{ |
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if ($attribute?->name) { |
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\assert($attribute->name !== null); |
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return $attribute->name; |
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} |
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return $case->getName(); |
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} |
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private function getCaseDescription(\ReflectionEnumUnitCase $case, ?Attribute\EnumValue $attribute): ?string |
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{ |
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if ($attribute?->description) { |
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return $attribute->description; |
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} |
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if ($docComment = $case->getDocComment()) { |
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return DocBlockFactory::createInstance()->create($docComment)->getSummary() ?: null; |
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} |
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return null; |
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} |
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private function getCaseDeprecationReason(\ReflectionEnumUnitCase $case, ?Attribute\EnumValue $attribute): ?string |
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{ |
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if ($attribute?->deprecationReason) { |
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return $attribute->deprecationReason; |
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} |
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if ($docComment = $case->getDocComment()) { |
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$docBlock = DocBlockFactory::createInstance()->create($docComment); |
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foreach ($docBlock->getTags() as $tag) { |
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1 |
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if ($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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