Completed
Pull Request — master (#12)
by Achton
10:40
created

ResponseBuilder::getNormalizedResponse()   B

Complexity

Conditions 5
Paths 3

Size

Total Lines 19
Code Lines 12

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 9
CRAP Score 5

Importance

Changes 0
Metric Value
dl 0
loc 19
ccs 9
cts 9
cp 1
rs 8.8571
c 0
b 0
f 0
cc 5
eloc 12
nc 3
nop 1
crap 5
1
<?php
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namespace Softonic\GraphQL;
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use Psr\Http\Message\ResponseInterface;
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class ResponseBuilder
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{
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    public function build(ResponseInterface $httpResponse)
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    {
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        $body = $httpResponse->getBody();
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        $normalizedResponse = $this->getNormalizedResponse($body);
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        return new Response($normalizedResponse['data'], $normalizedResponse['errors']);
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    }
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    private function getNormalizedResponse(string $body)
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    {
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        $decodedResponse = $this->getJsonDecodedResponse($body);
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        if (!array_key_exists('data', $decodedResponse)) {
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            $message = 'Invalid GraphQL JSON response.';
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            if (array_key_exists('errors', $decodedResponse)
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                && is_array($decodedResponse['errors'])
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                && array_key_exists('message', $decodedResponse['errors'][0])) {
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                $message .= ' ' . stripslashes($decodedResponse['errors'][0]['message']);
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            }
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            throw new \UnexpectedValueException($message);
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        }
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        return [
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            'data' => $decodedResponse['data'] ?? [],
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            'errors' => $decodedResponse['errors'] ?? [],
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        ];
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    }
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    private function getJsonDecodedResponse(string $body)
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    {
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        $response = json_decode($body, true);
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        $error = json_last_error();
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        if (JSON_ERROR_NONE !== $error) {
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            $message = 'Invalid JSON response.';
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            if (json_last_error_msg()) {
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                $message .= ' ' . json_last_error_msg();
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            }
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            throw new \UnexpectedValueException($message);
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        }
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        return $response;
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    }
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}
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