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<?php |
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namespace ScayTrase\Api\JsonRpc; |
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use GuzzleHttp\ClientInterface; |
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use GuzzleHttp\Exception\GuzzleException; |
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use GuzzleHttp\Psr7\Request; |
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use Psr\Http\Message\UriInterface; |
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use Psr\Log\LoggerInterface; |
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use Psr\Log\NullLogger; |
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use ScayTrase\Api\IdGenerator\IdGeneratorInterface; |
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use ScayTrase\Api\IdGenerator\UuidGenerator; |
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use ScayTrase\Api\Rpc\Exception\RemoteCallFailedException; |
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use ScayTrase\Api\Rpc\RpcClientInterface; |
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use ScayTrase\Api\Rpc\RpcRequestInterface; |
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final class JsonRpcClient implements RpcClientInterface |
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{ |
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const VERSION = '2.0'; |
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/** |
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* @var ClientInterface |
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*/ |
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private $client; |
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/** @var UriInterface */ |
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private $uri; |
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/** @var IdGeneratorInterface */ |
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private $idGenerator; |
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/** @var LoggerInterface */ |
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private $logger; |
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/** |
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* JsonRpcClient constructor. |
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* @param ClientInterface $client |
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* @param UriInterface $endpoint |
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* @param IdGeneratorInterface|null $idGenerator |
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* @param LoggerInterface $logger |
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*/ |
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public function __construct( |
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ClientInterface $client, |
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UriInterface $endpoint, |
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IdGeneratorInterface $idGenerator = null, |
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LoggerInterface $logger = null |
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) { |
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$this->client = $client; |
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$this->uri = $endpoint; |
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$this->idGenerator = $idGenerator ?: new UuidGenerator(); |
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$this->logger = $logger ?: new NullLogger(); |
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} |
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/** {@inheritdoc} */ |
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public function invoke($calls) |
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{ |
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try { |
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if (!is_array($calls)) { |
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if (!($calls instanceof RpcRequestInterface)) { |
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throw new \InvalidArgumentException('Request should be either array or single RpcRequestInterface instance'); |
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} |
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$transformedCall = $this->transformCall($calls); |
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return new JsonRpcResponseCollection( |
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$this->client->sendAsync( |
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$this->createHttpRequest($transformedCall) |
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), |
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[new RequestTransformation($calls, $transformedCall)] |
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); |
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} |
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$requests = []; |
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$batchRequest = []; |
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foreach ($calls as $key => $call) { |
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$transformedCall = $this->transformCall($call); |
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$requests[spl_object_hash($call)] = new RequestTransformation($call, $transformedCall); |
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$batchRequest[] = $transformedCall; |
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} |
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return new JsonRpcResponseCollection( |
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$this->client->sendAsync($this->createHttpRequest($batchRequest)), |
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$requests |
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); |
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} catch (GuzzleException $exception) { |
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throw new RemoteCallFailedException($exception->getMessage(), 0, $exception); |
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} |
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} |
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/** |
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* @param $requestBody |
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* |
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* @return Request |
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*/ |
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private function createHttpRequest($requestBody) |
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{ |
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return new Request( |
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'POST', |
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$this->uri, |
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[ |
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'Content-Type' => 'application/json', |
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'Accept' => 'application/json', |
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], |
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json_encode($requestBody, JSON_PRETTY_PRINT) |
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); |
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} |
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/** |
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* @param RpcRequestInterface $call |
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* |
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* @return JsonRpcRequestInterface |
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*/ |
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private function transformCall(RpcRequestInterface $call) |
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{ |
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if ($call instanceof JsonRpcRequestInterface) { |
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return $call; |
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} |
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return JsonRpcRequest::fromRpcRequest($call, $this->idGenerator->getRequestIdentifier($call)); |
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} |
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} |
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scaytrase /
json-rpc-client
