Completed
Pull Request — develop (#85)
by Patrick
04:02 queued 01:30
created

SerializationMiddleware::getFormatFromHeader()   A

Complexity

Conditions 3
Paths 3

Size

Total Lines 13
Code Lines 9

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 3
eloc 9
nc 3
nop 1
dl 0
loc 13
rs 9.4285
c 0
b 0
f 0
1
<?php
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namespace 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);
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        $response = $next($request, $response);
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        if($response->getHeaderLine('Content-Type') !== 'application/json;charset=utf-8')
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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 $response;
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        }
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        switch($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, '\Serialize\JsonSpreadSheet');
98 View Code Duplication
            case 'data-table':
0 ignored issues
show
Duplication introduced by
This code seems to be duplicated across your project.

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.

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99
                //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));
104 View Code Duplication
            case 'odata-json':
0 ignored issues
show
Duplication introduced by
This code seems to be duplicated across your project.

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.

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105
                //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, '\Serialize\XMLSerializer');
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            case 'csv':
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            case 'text/csv':
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                return $this->reserializeBody($response, '\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, '\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, '\Serialize\YAMLSerializer');
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            default:
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                print_r($this->format); die();
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                break;
0 ignored issues
show
Unused Code introduced by
break; does not seem to be reachable.

This check looks for unreachable code. It uses sophisticated control flow analysis techniques to find statements which will never be executed.

Unreachable code is most often the result of return, die or exit statements that have been added for debug purposes.

function fx() {
    try {
        doSomething();
        return true;
    }
    catch (\Exception $e) {
        return false;
    }

    return false;
}

In the above example, the last return false will never be executed, because a return statement has already been met in every possible execution path.

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129
        }
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        return $response;
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    }
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}
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