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<?php |
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namespace Alchemy\Rest\Response; |
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use League\Fractal\Manager; |
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use League\Fractal\Pagination\PaginatorInterface; |
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use League\Fractal\Resource\Collection; |
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use League\Fractal\Resource\Item; |
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use League\Fractal\TransformerAbstract; |
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class ArrayTransformer |
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{ |
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/** |
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* @var Manager |
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*/ |
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private $manager; |
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/** |
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* @var \ArrayAccess |
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*/ |
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private $transformers; |
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/** |
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* @param Manager $fractalManager |
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* @param \ArrayAccess $transformerRegistry |
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*/ |
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public function __construct(Manager $fractalManager, \ArrayAccess $transformerRegistry) |
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{ |
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$this->manager = $fractalManager; |
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$this->transformers = $transformerRegistry; |
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} |
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/** |
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* @param string $key |
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* @return TransformerAbstract |
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*/ |
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public function getTransformer($key) |
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{ |
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if (! isset($this->transformers[$key])) { |
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throw new \RuntimeException('Invalid transformer requested.'); |
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} |
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return $this->transformers[$key]; |
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} |
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/** |
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* @param $key |
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* @param mixed $resource |
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* @param null|string|array $includes |
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* @return array |
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*/ |
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public function transform($key, $resource, $includes = null) |
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{ |
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$transformer = $this->getTransformer($key); |
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$resource = (new Item($resource, $transformer)); |
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return $this->convertResource($resource, $includes); |
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} |
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/** |
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* @param $key |
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* @param array $resources |
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* @param PaginatorInterface $paginator |
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* @param null|string|array $includes |
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* @return array |
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*/ |
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public function transformList($key, $resources, $includes = null, PaginatorInterface $paginator = null) |
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{ |
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$transformer = $this->getTransformer($key); |
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$resource = new Collection($resources, $transformer); |
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if ($paginator !== null) { |
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$resource->setPaginator($paginator); |
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} |
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return $this->convertResource($resource, $includes); |
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} |
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/** |
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* @param mixed $resource |
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* @param null|string|array $includes |
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* @return array |
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*/ |
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private function convertResource($resource, $includes = null) |
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{ |
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if ($includes !== null) { |
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$this->manager->parseIncludes($includes); |
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} |
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return $this->manager->createData($resource)->toArray(); |
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} |
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} |
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alchemy-fr /
rest-bundle
