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<?php |
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namespace Digia\GraphQL\SchemaValidation\Rule; |
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use Digia\GraphQL\Error\SchemaValidationException; |
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use Digia\GraphQL\Language\Node\NodeInterface; |
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use Digia\GraphQL\Language\Node\OperationTypeDefinitionNode; |
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use Digia\GraphQL\Language\Node\SchemaDefinitionNode; |
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use Digia\GraphQL\SchemaValidation\ValidationContext; |
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use Digia\GraphQL\Type\Definition\ObjectType; |
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use Digia\GraphQL\Type\Definition\TypeInterface; |
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use Digia\GraphQL\Type\SchemaInterface; |
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use function Digia\GraphQL\Util\find; |
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class RootTypesRule extends AbstractRule |
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{ |
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/** |
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* @inheritdoc |
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*/ |
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public function evaluate(): void |
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{ |
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$schema = $this->context->getSchema(); |
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$rootTypes = [ |
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'query' => $schema->getQueryType(), |
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'mutation' => $schema->getMutationType(), |
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'subscription' => $schema->getSubscriptionType(), |
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]; |
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foreach ($rootTypes as $operation => $rootType) { |
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$this->validateRootType($rootType, $operation); |
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} |
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} |
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/** |
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* @param TypeInterface|null $rootType |
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* @param string $operation |
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*/ |
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protected function validateRootType(?TypeInterface $rootType, string $operation): void |
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{ |
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$schema = $this->context->getSchema(); |
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if ($operation === 'query' && null === $rootType) { |
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$this->context->reportError( |
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new SchemaValidationException( |
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\sprintf('%s root type must be provided.', \ucfirst($operation)), |
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$schema->hasAstNode() ? [$schema->getAstNode()] : null |
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) |
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); |
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return; |
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} |
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if (null !== $rootType && !($rootType instanceof ObjectType)) { |
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$this->context->reportError( |
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new SchemaValidationException( |
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\sprintf( |
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$operation === 'query' |
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? '%s root type must be Object type, it cannot be %s.' |
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: '%s root type must be Object type if provided, it cannot be %s.', |
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\ucfirst($operation), |
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(string)$rootType |
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), |
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null !== $rootType ? [$this->getOperationTypeNode($schema, $rootType, $operation)] : null |
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) |
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); |
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return; |
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} |
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} |
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/** |
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* @param SchemaInterface $schema |
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* @param TypeInterface|ObjectType $type |
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* @param string $operation |
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* @return NodeInterface|null |
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*/ |
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protected function getOperationTypeNode( |
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SchemaInterface $schema, |
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TypeInterface $type, |
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string $operation |
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): ?NodeInterface { |
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/** @var SchemaDefinitionNode $node */ |
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$node = $schema->getAstNode(); |
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if (null === $node) { |
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return $type->getAstNode(); |
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} |
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/** @var OperationTypeDefinitionNode $operationTypeNode */ |
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$operationTypeNode = find( |
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$node->getOperationTypes(), |
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function (OperationTypeDefinitionNode $operationType) use ($operation) { |
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return $operationType->getOperation() === $operation; |
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} |
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); |
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return $operationTypeNode->getType(); |
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} |
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} |
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digiaonline /
graphql-php
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