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<?php declare(strict_types = 1); |
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namespace Portiny\GraphQL\GraphQL; |
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use GraphQL\Error\DebugFlag; |
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use GraphQL\Error\FormattedError; |
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use GraphQL\Executor\Promise\Promise; |
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use GraphQL\Executor\Promise\PromiseAdapter; |
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use GraphQL\GraphQL; |
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use GraphQL\Type\Definition\ObjectType; |
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use GraphQL\Type\Schema; |
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use Portiny\GraphQL\Contract\Http\Request\RequestParserInterface; |
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use Portiny\GraphQL\Contract\Provider\MutationFieldsProviderInterface; |
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use Portiny\GraphQL\Contract\Provider\QueryFieldsProviderInterface; |
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use Portiny\GraphQL\GraphQL\Schema\SchemaCacheProvider; |
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use Psr\Log\LoggerInterface; |
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use Throwable; |
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final class RequestProcessor |
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{ |
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/** |
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* @var bool |
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*/ |
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private $debugMode = false; |
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/** |
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* @var bool |
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*/ |
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private $schemaCache = false; |
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/** |
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* @var MutationFieldsProviderInterface |
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*/ |
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private $mutationFieldsProvider; |
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/** |
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* @var QueryFieldsProviderInterface |
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*/ |
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private $queryFieldsProvider; |
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/** |
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* @var SchemaCacheProvider |
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*/ |
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private $schemaCacheProvider; |
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public function __construct( |
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bool $debugMode, |
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MutationFieldsProviderInterface $mutationFieldsProvider, |
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QueryFieldsProviderInterface $queryFieldsProvider, |
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SchemaCacheProvider $schemaCacheProvider |
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) { |
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$this->debugMode = $debugMode; |
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$this->mutationFieldsProvider = $mutationFieldsProvider; |
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$this->queryFieldsProvider = $queryFieldsProvider; |
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$this->schemaCacheProvider = $schemaCacheProvider; |
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} |
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public function setSchemaCache(bool $useSchemaCache): void |
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{ |
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$this->schemaCache = $useSchemaCache; |
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} |
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/** |
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* @param mixed|null $context |
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* @param array|null $allowedQueries |
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* @param array|null $allowedMutations |
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*/ |
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public function process( |
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RequestParserInterface $requestParser, |
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array $rootValue = [], |
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$context = null, |
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?array $allowedQueries = null, |
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?array $allowedMutations = null, |
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?LoggerInterface $logger = null |
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): array { |
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$debugLevel = $this->detectDebugLevel($logger); |
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1 |
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try { |
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$cacheKey = $this->schemaCacheProvider->getCacheKey($allowedQueries, $allowedMutations); |
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$schema = null; |
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if ($this->schemaCache && $this->schemaCacheProvider->isCached($cacheKey)) { |
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$schema = $this->schemaCacheProvider->getSchema($cacheKey); |
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} |
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if ($schema === null) { |
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$schema = $this->createSchema($allowedQueries, $allowedMutations); |
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if ($this->schemaCache) { |
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$this->schemaCacheProvider->save($cacheKey, $schema); |
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} |
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} |
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1 |
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$result = GraphQL::executeQuery( |
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$schema, |
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$requestParser->getQuery(), |
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$rootValue, |
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$context, |
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$requestParser->getVariables() |
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); |
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$output = $result->toArray($debugLevel); |
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} catch (Throwable $throwable) { |
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if ($logger) { |
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$logger->error((string) $throwable, $throwable->getTrace()); |
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} |
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$output = [ |
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'errors' => [FormattedError::createFromException($throwable, $debugLevel, 'An error occurred.')], |
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]; |
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} |
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return $output; |
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} |
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/** |
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* @param mixed|null $context |
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* @param array|null $allowedQueries |
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* @param array|null $allowedMutations |
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*/ |
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public function processViaPromise( |
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PromiseAdapter $promiseAdapter, |
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RequestParserInterface $requestParser, |
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array $rootValue = [], |
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$context = null, |
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?array $allowedQueries = null, |
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?array $allowedMutations = null, |
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?LoggerInterface $logger = null |
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): Promise { |
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try { |
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return GraphQL::promiseToExecute( |
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$promiseAdapter, |
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$this->createSchema($allowedQueries, $allowedMutations), |
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$requestParser->getQuery(), |
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$rootValue, |
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$context, |
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$requestParser->getVariables() |
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); |
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} catch (Throwable $throwable) { |
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if ($logger) { |
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$logger->error((string) $throwable); |
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} |
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return $promiseAdapter->createRejected($throwable); |
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} |
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} |
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1 |
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private function createSchema(?array $allowedQueries = null, ?array $allowedMutations = null): Schema |
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{ |
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$configuration = [ |
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'query' => $this->createQueryObject($allowedQueries), |
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]; |
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$mutationObject = $this->createMutationObject($allowedMutations); |
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if ($mutationObject->getFields()) { |
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$configuration['mutation'] = $mutationObject; |
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} |
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return new Schema($configuration); |
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} |
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private function detectDebugLevel(?LoggerInterface $logger): int |
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{ |
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return $this->debugMode |
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? DebugFlag::INCLUDE_DEBUG_MESSAGE | DebugFlag::INCLUDE_TRACE |
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: ($logger === null ? DebugFlag::NONE : DebugFlag::RETHROW_INTERNAL_EXCEPTIONS); |
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} |
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private function createQueryObject(?array $allowedQueries = null): ObjectType |
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{ |
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return new ObjectType([ |
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'name' => 'Query', |
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'fields' => $this->queryFieldsProvider->convertFieldsToArray($allowedQueries), |
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]); |
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} |
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1 |
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private function createMutationObject(?array $allowedMutations = null): ObjectType |
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{ |
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return new ObjectType([ |
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'name' => 'Mutation', |
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'fields' => $this->mutationFieldsProvider->convertFieldsToArray($allowedMutations), |
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]); |
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} |
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} |
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portiny /
graphql
