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<?php |
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/* |
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* This file is part of the Stack Exchange Api Client library. |
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* |
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* Copyright (c) 2014-2016 Beñat Espiña <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace BenatEspina\StackExchangeApiClient\Application\DataTransformer; |
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use Psr\Http\Message\ResponseInterface as Response; |
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/** |
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* Response to model data transformer. |
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* |
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* @author Beñat Espiña <[email protected]> |
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*/ |
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abstract class ResponseToModelDataTransformer implements ResponseDataTransformer |
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{ |
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/** |
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* The response. |
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* |
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* @var Response |
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*/ |
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private $response; |
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/** |
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* The fully qualified class name. |
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* |
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* @var string |
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*/ |
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private $fqcn; |
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/** |
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* The model class. |
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* |
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* @var string |
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*/ |
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protected $class; |
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/** |
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* Constructor. |
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* |
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* @param string $fqcn The fully qualified class name |
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* |
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* @throws \LogicException when the given fqcn is invalid |
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*/ |
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public function __construct($fqcn) |
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{ |
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$answerReflectionClass = new \ReflectionClass($fqcn); |
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if (!$answerReflectionClass->implementsInterface($this->class)) { |
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throw new \LogicException( |
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sprintf('Given %s class must implement the %s', $fqcn, $this->class) |
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); |
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} |
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$this->fqcn = $fqcn; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function write(Response $response) |
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{ |
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$this->response = $response; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function read() |
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{ |
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$data = json_decode($this->response->getBody()->getContents(), true); |
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if (false === array_key_exists('items', $data)) { |
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throw new \Exception('Given data is incorrect'); |
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} |
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if (count($data['items']) > 1) { |
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$objects = []; |
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foreach ($data['items'] as $item) { |
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$objects[] = $this->build($item); |
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} |
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return $objects; |
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} |
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return $this->build($data['items'][0]); |
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} |
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/** |
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* Builds the object with the response data given. |
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* |
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* @param mixed $data The data |
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* |
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* @return mixed |
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*/ |
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private function build($data) |
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{ |
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return forward_static_call_array([$this->fqcn, 'fromJson'], [$data]); |
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} |
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} |
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benatespina /
StackExchangeApiClient
