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<?php |
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namespace Overblog\GraphQLBundle\Request; |
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use Symfony\Component\HttpKernel\Exception\BadRequestHttpException; |
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use Symfony\Component\PropertyAccess\PropertyAccess; |
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trait UploadParserTrait |
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{ |
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private function handleUploadedFiles(array $parameters, array $files) |
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{ |
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$payload = $this->normalized($parameters); |
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if ($this->isUploadPayload($payload)) { |
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return $this->bindUploadedFiles($payload['operations'], $payload['map'], $files); |
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} else { |
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return $parameters; |
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} |
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} |
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private function bindUploadedFiles(array $operations, array $map, array $files) |
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{ |
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$accessor = PropertyAccess::createPropertyAccessorBuilder() |
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->enableExceptionOnInvalidIndex() |
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->getPropertyAccessor(); |
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foreach ($map as $fileName => $locations) { |
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foreach ($locations as $location) { |
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$fileKey = sprintf('[%s]', $fileName); |
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if (!$accessor->isReadable($files, $fileKey)) { |
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throw new BadRequestHttpException(sprintf('File %s is missing in the request.', json_encode($fileName))); |
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} |
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$file = $accessor->getValue($files, $fileKey); |
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$locationKey = $this->locationToPropertyAccessPath($location); |
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if (!$accessor->isReadable($operations, $locationKey)) { |
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throw new BadRequestHttpException(sprintf('Map entry %s could not be localized in operations.', json_encode($location))); |
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} |
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$accessor->setValue($operations, $locationKey, $file); |
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} |
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} |
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return $operations; |
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} |
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private function isUploadPayload(array $payload) |
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{ |
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if (isset($payload['operations']) && isset($payload['map']) && is_array($payload['operations']) && is_array($payload['map'])) { |
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$payloadKeys = array_keys($payload); |
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// the specs says that operations must be place before map |
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$operationsPosition = array_search('operations', $payloadKeys); |
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$mapPosition = array_search('map', $payloadKeys); |
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return $operationsPosition < $mapPosition; |
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} else { |
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return false; |
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} |
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} |
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private function locationToPropertyAccessPath($location) |
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{ |
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return array_reduce( |
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explode('.', $location), |
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function ($carry, $item) { |
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return sprintf('%s[%s]', $carry, $item); |
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} |
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); |
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} |
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private function normalized(array $parsedBody) |
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{ |
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foreach (['operations', 'map'] as $key) { |
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if (isset($parsedBody[$key]) && is_string($parsedBody[$key])) { |
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$parsedBody[$key] = json_decode($parsedBody[$key], true); |
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} |
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} |
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return $parsedBody; |
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} |
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} |
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overblog /
GraphQLBundle
