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| 1 | +<?php |
| 2 | + |
| 3 | +namespace Overblog\GraphQLBundle\Request; |
| 4 | + |
| 5 | +use Symfony\Component\HttpKernel\Exception\BadRequestHttpException; |
| 6 | +use Symfony\Component\PropertyAccess\PropertyAccess; |
| 7 | + |
| 8 | +trait UploadParserTrait |
| 9 | +{ |
| 10 | + private function handleUploadedFiles(array $parameters, array $files) |
| 11 | + { |
| 12 | + $payload = $this->normalized($parameters); |
| 13 | + if ($this->isUploadPayload($payload)) { |
| 14 | + return $this->bindUploadedFiles($payload['operations'], $payload['map'], $files); |
| 15 | + } else { |
| 16 | + return $parameters; |
| 17 | + } |
| 18 | + } |
| 19 | + |
| 20 | + private function bindUploadedFiles(array $operations, array $map, array $files) |
| 21 | + { |
| 22 | + $accessor = PropertyAccess::createPropertyAccessorBuilder() |
| 23 | + ->enableExceptionOnInvalidIndex() |
| 24 | + ->getPropertyAccessor(); |
| 25 | + |
| 26 | + foreach ($map as $fileName => $locations) { |
| 27 | + foreach ($locations as $location) { |
| 28 | + $fileKey = sprintf('[%s]', $fileName); |
| 29 | + if (!$accessor->isReadable($files, $fileKey)) { |
| 30 | + throw new BadRequestHttpException(sprintf('File %s is missing in the request.', json_encode($fileName))); |
| 31 | + } |
| 32 | + $file = $accessor->getValue($files, $fileKey); |
| 33 | + $locationKey = $this->locationToPropertyAccessPath($location); |
| 34 | + if (!$accessor->isReadable($operations, $locationKey)) { |
| 35 | + throw new BadRequestHttpException(sprintf('Map entry %s could not be localized in operations.', json_encode($location))); |
| 36 | + } |
| 37 | + $accessor->setValue($operations, $locationKey, $file); |
| 38 | + } |
| 39 | + } |
| 40 | + |
| 41 | + return $operations; |
| 42 | + } |
| 43 | + |
| 44 | + private function isUploadPayload(array $payload) |
| 45 | + { |
| 46 | + if (isset($payload['operations']) && isset($payload['map']) && is_array($payload['operations']) && is_array($payload['map'])) { |
| 47 | + $payloadKeys = array_keys($payload); |
| 48 | + // the specs says that operations must be place before map |
| 49 | + $operationsPosition = array_search('operations', $payloadKeys); |
| 50 | + $mapPosition = array_search('map', $payloadKeys); |
| 51 | + |
| 52 | + return $operationsPosition < $mapPosition; |
| 53 | + } else { |
| 54 | + return false; |
| 55 | + } |
| 56 | + } |
| 57 | + |
| 58 | + private function locationToPropertyAccessPath($location) |
| 59 | + { |
| 60 | + return array_reduce( |
| 61 | + explode('.', $location), |
| 62 | + function ($carry, $item) { |
| 63 | + return sprintf('%s[%s]', $carry, $item); |
| 64 | + } |
| 65 | + ); |
| 66 | + } |
| 67 | + |
| 68 | + private function normalized(array $parsedBody) |
| 69 | + { |
| 70 | + foreach (['operations', 'map'] as $key) { |
| 71 | + if (isset($parsedBody[$key]) && is_string($parsedBody[$key])) { |
| 72 | + $parsedBody[$key] = json_decode($parsedBody[$key], true); |
| 73 | + } |
| 74 | + } |
| 75 | + |
| 76 | + return $parsedBody; |
| 77 | + } |
| 78 | +} |
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