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<?php |
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namespace PhpJsonRpc\Server; |
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use PhpJsonRpc\Common\Interceptor\Interceptor; |
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use PhpJsonRpc\Core\Result\AbstractResult; |
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use PhpJsonRpc\Core\Result\Error; |
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use PhpJsonRpc\Core\Result\Result; |
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use PhpJsonRpc\Core\ResultSpec; |
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use PhpJsonRpc\Error\JsonRpcException; |
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use PhpJsonRpc\Server\ResponseBuilder\BuilderContainer; |
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class ResponseBuilder |
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{ |
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/** |
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* @var Interceptor |
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*/ |
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private $preBuild; |
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/** |
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* ResponseBuilder constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->preBuild = Interceptor::createBase(); |
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} |
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/** |
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* @param ResultSpec $result |
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* |
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* @return string |
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*/ |
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public function build(ResultSpec $result): string |
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{ |
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$response = []; |
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$units = $result->getResults(); |
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foreach ($units as $unit) { |
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/** @var AbstractResult $unit */ |
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if ($unit instanceof Result) { |
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/** @var Result $unit */ |
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$response[] = [ |
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'jsonrpc' => '2.0', |
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'result' => $this->preBuild($unit->getResult()), |
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'id' => $unit->getId() |
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]; |
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} elseif ($unit instanceof Error) { |
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/** @var Error $unit */ |
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$baseException = $unit->getBaseException(); |
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$response[] = [ |
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'jsonrpc' => '2.0', |
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'error' => [ |
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'code' => $baseException->getJsonRpcCode(), |
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'message' => $this->getErrorMessage($baseException->getJsonRpcCode()), |
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'data' => $baseException->getJsonRpcData() |
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], |
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'id' => $unit->getId() |
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]; |
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} |
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} |
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if (empty($response)) { |
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return ''; |
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} |
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if ($result->isSingleResult()) { |
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return json_encode($response[0]); |
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} |
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return json_encode($response); |
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} |
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/** |
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* @return Interceptor |
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*/ |
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public function onPreBuild(): Interceptor |
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{ |
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return $this->preBuild; |
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} |
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/** |
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* @param mixed $result |
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* |
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* @return mixed |
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*/ |
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private function preBuild($result) |
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{ |
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$container = $this->preBuild->handle(new BuilderContainer($this, $result)); |
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if ($container instanceof BuilderContainer) { |
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return $container->getValue(); |
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} |
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throw new \RuntimeException(); |
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} |
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/** |
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* @param int $code |
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* @return string |
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*/ |
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private function getErrorMessage(int $code): string |
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{ |
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switch ($code) { |
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case JsonRpcException::PARSE_ERROR: |
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return 'Parse error'; |
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case JsonRpcException::INVALID_REQUEST: |
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return 'Invalid Request'; |
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case JsonRpcException::METHOD_NOT_FOUND: |
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return 'Method not found'; |
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case JsonRpcException::INVALID_PARAMS: |
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return 'Invalid params'; |
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case JsonRpcException::INTERNAL_ERROR: |
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return 'Internal error'; |
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case JsonRpcException::SERVER_ERROR: |
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return 'Server Error'; |
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default: |
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return 'Internal error'; |
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} |
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} |
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} |
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vaderangry /
PhpJsonRpc
