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<?php |
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namespace Overblog\GraphQLBundle\Controller; |
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use Overblog\GraphQLBundle\Request as GraphQLRequest; |
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use Symfony\Component\HttpFoundation\JsonResponse; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Response; |
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class GraphController |
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{ |
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/** |
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* @var GraphQLRequest\BatchParser |
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*/ |
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private $batchParser; |
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/** |
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* @var GraphQLRequest\Executor |
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*/ |
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private $requestExecutor; |
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/** |
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* @var GraphQLRequest\Parser |
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*/ |
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private $requestParser; |
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/** |
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* @var bool |
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*/ |
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private $shouldHandleCORS; |
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/** |
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* @var string |
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*/ |
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private $graphQLBatchingMethod; |
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public function __construct( |
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GraphQLRequest\BatchParser $batchParser, |
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GraphQLRequest\Executor $requestExecutor, |
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GraphQLRequest\Parser $requestParser, |
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$shouldHandleCORS, |
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$graphQLBatchingMethod |
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) { |
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$this->batchParser = $batchParser; |
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$this->requestExecutor = $requestExecutor; |
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$this->requestParser = $requestParser; |
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$this->shouldHandleCORS = $shouldHandleCORS; |
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$this->graphQLBatchingMethod = $graphQLBatchingMethod; |
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} |
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public function endpointAction(Request $request, $schemaName = null) |
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{ |
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return $this->createResponse($request, $schemaName, false); |
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} |
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public function batchEndpointAction(Request $request, $schemaName = null) |
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{ |
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return $this->createResponse($request, $schemaName, true); |
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} |
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private function createResponse(Request $request, $schemaName, $batched) |
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{ |
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if ('OPTIONS' === $request->getMethod()) { |
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$response = new Response('', 200); |
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} else { |
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if (!in_array($request->getMethod(), ['POST', 'GET'])) { |
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return new Response('', 405); |
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} |
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if ($batched) { |
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$payload = $this->processBatchQuery($request, $schemaName); |
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} else { |
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$payload = $this->processNormalQuery($request, $schemaName); |
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} |
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$response = new JsonResponse($payload, 200); |
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} |
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if ($this->shouldHandleCORS && $request->headers->has('Origin')) { |
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$response->headers->set('Access-Control-Allow-Origin', $request->headers->get('Origin'), true); |
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$response->headers->set('Access-Control-Allow-Credentials', 'true', true); |
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$response->headers->set('Access-Control-Allow-Headers', 'Content-Type, Authorization', true); |
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$response->headers->set('Access-Control-Allow-Methods', 'OPTIONS, GET, POST', true); |
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$response->headers->set('Access-Control-Max-Age', 3600, true); |
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} |
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return $response; |
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} |
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private function processBatchQuery(Request $request, $schemaName = null) |
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{ |
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$queries = $this->batchParser->parse($request); |
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$apolloBatching = 'apollo' === $this->graphQLBatchingMethod; |
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$payloads = []; |
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foreach ($queries as $query) { |
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$payloadResult = $this->requestExecutor->execute( |
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[ |
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'query' => $query['query'], |
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'variables' => $query['variables'], |
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], |
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[], |
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$schemaName |
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); |
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$payloads[] = $apolloBatching ? $payloadResult->toArray() : ['id' => $query['id'], 'payload' => $payloadResult->toArray()]; |
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} |
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return $payloads; |
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} |
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private function processNormalQuery(Request $request, $schemaName = null) |
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{ |
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$params = $this->requestParser->parse($request); |
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return $this->requestExecutor->execute($params, [], $schemaName)->toArray(); |
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} |
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} |
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overblog /
GraphQLBundle
