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<?php namespace Comodojo\RpcClient\Processor; |
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use \Psr\Log\LoggerInterface; |
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use \Comodojo\Exception\RpcException; |
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use \Comodojo\RpcClient\RpcRequest; |
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use \Exception; |
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class JsonProcessor extends AbstractProcessor { |
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private $ids = array(); |
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private $isMulticall = false; |
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public function encode($requests) { |
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$requests = array_values($requests); |
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$this->isMulticall = sizeof($requests) > 1 ? true : false; |
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$payload = array(); |
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foreach ($requests as $request) { |
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list($composed, $rid) = self::composeJsonRequest($request); |
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$payload[] = $composed; |
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if ( $rid !== null ) $this->ids[] = $rid; |
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} |
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return ( sizeof($payload > 1) ) ? json_encode($payload) : json_encode($payload[0]); |
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} |
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public function decode($response) { |
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try { |
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if ( sizeof($this->ids) == 0 ) { |
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return true; |
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} |
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$content = json_decode($response, true); |
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if ( is_null($content) ) throw new Exception("Incomprehensible or empty response"); |
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if ( $this->isMulticall === false ) { |
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$content = $content[0]; |
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if ( $content["id"] != $this->ids[0] ) throw new Exception("Invalid response ID received"); |
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$return = $content["result"]; |
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} else { |
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$batch_content = array(); |
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foreach ( $this->ids as $key => $id ) { |
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if ( !isset($content[$key]) ) $batch_content[$key] = array("error" => array("code" => null, "message" => "Empty response")); |
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else if ( isset($content[$key]["error"]) ) $batch_content[$key] = array("error" => $content["error"]); |
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else if ( !isset($content[$key]["id"]) ) $batch_content[$key] = array("error" => array("code" => null, "message" => "Malformed response received")); |
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else if ( $content[$key]["id"] != $id ) $batch_content[$key] = array("error" => array("code" => null, "message" => "Invalid response ID received")); |
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else $batch_content[$key] = array("result" => $content[$key]["result"]); |
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} |
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$return = $batch_content; |
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} |
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} catch (Exception $xe) { |
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throw $xe; |
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} |
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return $return; |
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} |
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private static function composeJsonRequest(RpcRequest $request) { |
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$return = array( |
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"jsonrpc" => "2.0", |
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"method" => $request->getMethod(), |
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"params" => $request->getParameters() |
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); |
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$rid = $request->getId(); |
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if ( $rid === true ) { |
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$id = $return["id"] = $request->getUniqueId(); |
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} else if ( is_scalar($rid) ) { |
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$id = $return["id"] = $rid; |
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} else { |
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$id = null; |
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} |
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return array($return, $id); |
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} |
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} |
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comodojo /
rpcclient
