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<?php |
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namespace Flipside\Http\Rest; |
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use \Psr\Http\Message\ServerRequestInterface as Request; |
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use \Psr\Http\Message\ResponseInterface as Response; |
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require 'vendor/autoload.php'; |
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class SerializationMiddleware |
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{ |
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protected $format = null; |
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private function getFormatFromHeader($request) |
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{ |
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$mimeType = $request->getHeaderLine('Accept'); |
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switch($mimeType) |
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{ |
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case 'text/csv': |
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return 'csv'; |
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case 'text/x-vCard': |
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return 'vcard'; |
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default: |
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return 'json'; |
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} |
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} |
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private function getParamFromArrayIfSet($array, $param, $default = null) |
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{ |
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if(isset($array[$param])) |
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{ |
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return $array[$param]; |
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} |
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return $default; |
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} |
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private function getFormat($request, $response) |
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{ |
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$params = $request->getQueryParams(); |
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$this->format = $this->getParamFromArrayIfSet($params, 'fmt'); |
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if($this->format === null) |
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{ |
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$this->format = $this->getParamFromArrayIfSet($params, '$format'); |
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if($this->format === null) |
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{ |
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$this->format = $this->getFormatFromHeader($request); |
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} |
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else if($this->format === 'json') |
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{ |
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//OData json is different from notmal json |
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$this->format = 'odata-json'; |
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} |
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} |
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if(strstr($this->format, 'odata.streaming=true')) |
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{ |
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return $response->withStatus(406); |
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} |
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return $response; |
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} |
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protected function reserializeBody($response, $serializer) |
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{ |
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$body = $response->getBody(); |
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$body->rewind(); |
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$data = json_decode($body->getContents()); |
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$serializer = new $serializer(); |
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$res = $serializer->serializeData($this->format, $data); |
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$response = $response->withBody(new \Slim\Http\Body(fopen('php://temp', 'r+'))); |
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$response->getBody()->write($res); |
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return $response->withHeader('Content-Type', $this->format); |
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} |
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public function __invoke($request, $response, $next) |
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{ |
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$response = $this->getFormat($request, $response); |
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if($response->getStatusCode() !== 200) |
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{ |
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return $response; |
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} |
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$request = $request->withAttribute('format', $this->format)->withAttribute('serializeOverrides', new \Slim\Collection()); |
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$response = $next($request, $response); |
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if($response->getHeaderLine('Content-Type') !== 'application/json;charset=utf-8' && $response->getHeaderLine('Content-Type') !== 'application/json') |
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{ |
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//The underlying API call gave us back a different content type. Just pass that on... |
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return $response; |
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} |
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$overrides = $request->getAttribute('serializeOverrides'); |
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if($overrides->has($this->format)) |
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{ |
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return $this->reserializeBody($response, $overrides->get($this->format)); |
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} |
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switch($this->format) |
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{ |
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case 'application/json': |
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case 'application/x-javascript': |
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case 'text/javascript': |
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case 'text/x-javascript': |
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case 'text/x-json': |
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case 'json': |
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return $response; |
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case 'json-ss': |
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case 'json-ss-dt': |
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return $this->reserializeBody($response, '\Flipside\Serialize\JsonSpreadSheet'); |
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View Code Duplication |
case 'data-table': |
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//This is a special case for json... |
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$body = $response->getBody(); |
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$body->rewind(); |
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$data = json_decode($body->getContents()); |
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return $response->withJson(array('data'=>$data)); |
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View Code Duplication |
case 'odata-json': |
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//This is a special case for json... |
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$body = $response->getBody(); |
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$body->rewind(); |
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$data = json_decode($body->getContents()); |
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return $response->withJson(array('value'=>$data)); |
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case 'xml': |
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case 'application/xml': |
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case 'text/xml': |
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return $this->reserializeBody($response, '\Flipside\Serialize\XMLSerializer'); |
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case 'csv': |
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case 'text/csv': |
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return $this->reserializeBody($response, '\Flipside\Serialize\CSVSerializer'); |
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case 'xlsx': |
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case 'xls': |
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case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet': |
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case 'application/vnd.ms-excel': |
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return $this->reserializeBody($response, '\Flipside\Serialize\ExcelSerializer'); |
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case 'yaml': |
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case 'application/x-yaml': |
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case 'text/x-yaml': |
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return $this->reserializeBody($response, '\Flipside\Serialize\YAMLSerializer'); |
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default: |
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print_r($this->format); die(); |
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break; |
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} |
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return $response; |
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} |
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} |
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BurningFlipside /
CommonCode
Loading history...
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.