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<?php |
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declare(strict_types=1); |
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namespace Overblog\GraphQLBundle\DataCollector; |
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use GraphQL\Error\SyntaxError; |
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use GraphQL\Language\AST\DocumentNode; |
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use GraphQL\Language\AST\FieldNode; |
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use GraphQL\Language\AST\OperationDefinitionNode; |
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use GraphQL\Language\Parser; |
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use Overblog\GraphQLBundle\Event\ExecutorResultEvent; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Response; |
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use Symfony\Component\HttpKernel\DataCollector\DataCollector; |
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class GraphQLCollector extends DataCollector |
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{ |
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/** |
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* GraphQL Batchs executed. |
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*/ |
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protected $batches = []; |
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public function collect(Request $request, Response $response, \Throwable $exception = null): void |
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{ |
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$error = false; |
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$count = 0; |
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foreach ($this->batches as $batch) { |
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if (isset($batch['error'])) { |
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$error = true; |
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} |
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$count += $batch['count']; |
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} |
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$this->data = [ |
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'schema' => $request->attributes->get('_route_params')['schemaName'] ?? 'default', |
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'batches' => $this->batches, |
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'count' => $count, |
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'error' => $error, |
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]; |
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} |
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/** |
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* Check if we have an error. |
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* |
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* @return bool |
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*/ |
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public function getError() |
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{ |
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return $this->data['error'] ?? false; |
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} |
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/** |
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* Count the number of executed queries. |
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* |
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* @return int |
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*/ |
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public function getCount() |
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{ |
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return $this->data['count'] ?? 0; |
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} |
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/** |
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* Return the targeted schema. |
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* |
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* @return string |
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*/ |
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public function getSchema() |
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{ |
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return $this->data['schema'] ?? 'default'; |
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} |
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/** |
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* Return the list of executed batch. |
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* |
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* @return array |
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*/ |
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public function getBatches() |
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{ |
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return $this->data['batches'] ?? []; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function reset(): void |
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{ |
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$this->data = []; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getName() |
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{ |
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return 'graphql'; |
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} |
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/** |
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* Hook into the GraphQL events to populate the collector. |
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*/ |
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public function onPostExecutor(ExecutorResultEvent $event): void |
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{ |
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$executorArgument = $event->getExecutorArguments(); |
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$queryString = $executorArgument->getRequestString(); |
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$variables = $executorArgument->getVariableValue(); |
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$queryTime = microtime(true) - $executorArgument->getStartTime(); |
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$result = $event->getResult()->toArray(); |
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$batch = [ |
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'queryString' => $queryString, |
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'queryTime' => $queryTime, |
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'variables' => $this->cloneVar($variables), |
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'result' => $this->cloneVar($result), |
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'count' => 0, |
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]; |
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try { |
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$parsed = Parser::parse($queryString); |
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$batch['graphql'] = $this->extractGraphql($parsed); |
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if (isset($batch['graphql']['fields'])) { |
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$batch['count'] += \count($batch['graphql']['fields']); |
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} |
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$error = $result['errors'][0] ?? false; |
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if ($error) { |
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$batch['error'] = [ |
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'message' => $error['message'], |
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'location' => $error['locations'][0] ?? false, |
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]; |
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} |
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} catch (SyntaxError $error) { |
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$location = $error->getLocations()[0] ?? false; |
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$batch['error'] = ['message' => $error->getMessage(), 'location' => $location]; |
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} |
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$this->batches[] = $batch; |
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} |
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/** |
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* Extract GraphQL Information from the documentNode². |
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* |
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* @return array |
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*/ |
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protected function extractGraphql(DocumentNode $document) |
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{ |
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$operation = null; |
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$operationName = null; |
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$fields = []; |
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foreach ($document->definitions as $definition) { |
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if ($definition instanceof OperationDefinitionNode) { |
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$operationName = $definition->name ? $definition->name->value : null; |
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$operation = $definition->operation; |
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foreach ($definition->selectionSet->selections as $selection) { |
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if ($selection instanceof FieldNode) { |
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$name = $selection->name->value; |
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$alias = $selection->alias ? $selection->alias->value : null; |
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$fields[] = [ |
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'name' => $name, |
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'alias' => $alias, |
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]; |
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} |
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} |
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} |
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} |
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return [ |
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'operation' => $operation, |
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'operationName' => $operationName, |
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'fields' => $fields, |
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]; |
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} |
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} |
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overblog /
GraphQLBundle
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