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<?php |
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namespace Digia\GraphQL\SchemaExtension; |
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use Digia\GraphQL\Error\ExtensionException; |
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use Digia\GraphQL\Error\InvariantException; |
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use Digia\GraphQL\Language\Node\DocumentNode; |
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use Digia\GraphQL\Type\SchemaInterface; |
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use Psr\SimpleCache\InvalidArgumentException; |
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use function Digia\GraphQL\Type\GraphQLSchema; |
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class SchemaExtender implements SchemaExtenderInterface |
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{ |
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/** |
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* @var ExtensionContextCreatorInterface |
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*/ |
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protected $contextCreator; |
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/** |
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* SchemaExtender constructor. |
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* @param ExtensionContextCreatorInterface $contextCreator |
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*/ |
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public function __construct(ExtensionContextCreatorInterface $contextCreator) |
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{ |
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$this->contextCreator = $contextCreator; |
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} |
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/** |
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* @param SchemaInterface $schema |
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* @param DocumentNode $document |
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* @return SchemaInterface |
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* @throws InvariantException |
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* @throws ExtensionException |
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* @throws InvalidArgumentException |
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*/ |
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public function extend(SchemaInterface $schema, DocumentNode $document): SchemaInterface |
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{ |
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$context = $this->contextCreator->create($schema, $document); |
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// If this document contains no new types, extensions, or directives then |
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// return the same unmodified GraphQLSchema instance. |
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if (!$context->isSchemaExtended()) { |
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return $schema; |
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} |
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return GraphQLSchema([ |
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'query' => $context->getExtendedQueryType(), |
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'mutation' => $context->getExtendedMutationType(), |
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'subscription' => $context->getExtendedSubscriptionType(), |
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'types' => $context->getExtendedTypes(), |
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'directives' => $context->getExtendedDirectives(), |
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'astNode' => $schema->getAstNode(), |
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]); |
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} |
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} |
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digiaonline /
graphql-php
