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<?php |
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namespace Yoanm\JsonRpcServer\App\Serialization; |
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use Yoanm\JsonRpcServer\Domain\Exception\JsonRpcExceptionInterface; |
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use Yoanm\JsonRpcServer\Domain\Model\JsonRpcResponse; |
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/** |
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* Class JsonRpcResponseNormalizer |
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*/ |
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class JsonRpcResponseNormalizer |
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{ |
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const KEY_JSON_RPC = 'jsonrpc'; |
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const KEY_ID = 'id'; |
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const KEY_RESULT = 'result'; |
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const KEY_ERROR = 'error'; |
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const SUB_KEY_ERROR_CODE = 'code'; |
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const SUB_KEY_ERROR_MESSAGE = 'message'; |
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const SUB_KEY_ERROR_DATA = 'data'; |
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/** |
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* @var bool whether to display debug data for the errors. |
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*/ |
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protected $debug = false; |
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public function __construct(bool $debug = false) |
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{ |
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$this->debug = $debug; |
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} |
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/** |
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* @param JsonRpcResponse $response |
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* |
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* @return array|null |
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*/ |
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public function normalize(JsonRpcResponse $response) : ?array |
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{ |
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// Notifications must not have a response, even if they are on error |
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if ($response->isNotification()) { |
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return null; |
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} |
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$data = [ |
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self::KEY_JSON_RPC => $response->getJsonRpc(), |
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self::KEY_ID => $response->getId() |
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]; |
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if ($response->getError()) { |
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$data[self::KEY_ERROR] = $this->normalizeError( |
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$response->getError() |
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); |
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} else { |
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$data[self::KEY_RESULT] = $response->getResult(); |
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} |
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return $data; |
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} |
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/** |
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* @param JsonRpcExceptionInterface $error |
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* |
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* @return array |
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*/ |
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private function normalizeError(JsonRpcExceptionInterface $error) : array |
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{ |
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$normalizedError = [ |
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self::SUB_KEY_ERROR_CODE => $error->getErrorCode(), |
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self::SUB_KEY_ERROR_MESSAGE => $error->getErrorMessage() |
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]; |
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$errorData = $error->getErrorData(); |
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if ($this->debug) { |
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$errorData += $this->composeDebugErrorData($error->getPrevious() ?? $error); |
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} |
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if (!empty($errorData)) { |
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$normalizedError[self::SUB_KEY_ERROR_DATA] = $errorData; |
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} |
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return $normalizedError; |
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} |
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private function composeDebugErrorData(\Throwable $error) : array |
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{ |
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return [ |
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'_code' => $error->getCode(), |
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'_message' => $error->getMessage(), |
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'_trace' => $error->getTrace(), |
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]; |
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} |
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} |
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yoanm /
php-jsonrpc-server-sdk
