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<?php |
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namespace ComradeReader\Service; |
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use ComradeReader\Exception\Deserializer\DeserializerException; |
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use ComradeReader\Model\Entity\PaginatedResults; |
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use Psr\Http\Message\ResponseInterface; |
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/** |
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* Deserializer |
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* ============ |
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* Decodes a JSON string into single object or into |
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* multiple objects. Supports paginated responses. |
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* |
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* @package ComradeReader\Service |
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*/ |
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class ComradeDeserializer |
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{ |
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/** @var ResponseInterface $response */ |
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private $response; |
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/** @var Symfony\Component\Serializer\SerializerInterface|\JMS\Serializer\SerializerInterface $serializer */ |
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protected $serializer; |
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/** |
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* @param ResponseInterface $response |
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* @param object $serializer |
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*/ |
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public function __construct(ResponseInterface $response, $serializer) |
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{ |
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$this->response = $response; |
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$this->serializer = $serializer; |
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} |
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/** |
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* @return string |
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*/ |
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public function getPlainResponse() |
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{ |
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return $this->response->getBody()->getContents(); |
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} |
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/** |
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* @throws DeserializerException |
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* @return array|mixed |
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*/ |
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public function getDecodedResponse() |
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{ |
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$response = json_decode($this->getPlainResponse(), true); |
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if (!is_array($response)) { |
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throw new DeserializerException( |
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'Response is not a valid json, decode error: ' . json_last_error_msg(), |
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$this->getPlainResponse() |
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); |
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} |
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return $response; |
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} |
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/** |
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* @return ResponseInterface |
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*/ |
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public function getResponse(): ResponseInterface |
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{ |
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return $this->response; |
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} |
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/** |
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* @return array|mixed |
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*/ |
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public function getData() |
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{ |
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$decoded = $this->getDecodedResponse(); |
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if (isset($decoded['success']) |
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&& $decoded['success'] |
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&& isset($decoded['data']) |
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&& is_array($decoded['data'])) |
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{ |
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return $decoded['data']; |
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} |
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return $decoded; |
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} |
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/** |
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* @param string $targetEntity |
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* @return object |
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*/ |
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public function decodeIntoObject($targetEntity) |
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{ |
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$response = $this->_convertNaming( |
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$this->getData() |
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); |
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return $this->serializer->deserialize(json_encode($response), $targetEntity, 'json'); |
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} |
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/** |
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* Decodes a response into array of objects or into a PaginatedResults |
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* |
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* @param string $targetEntity |
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* @return object[]|PaginatedResults |
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*/ |
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public function decodeIntoMultipleObjects($targetEntity) |
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{ |
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$responseDecoded = $this->getData(); |
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// paginator |
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$responseObjects = isset($responseDecoded['results']) ? $responseDecoded['results'] : $responseDecoded; |
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$responseObjects = array_map( |
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function ($item) use ($targetEntity) |
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{ |
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$item = $this->_convertNaming($item); |
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return $this->serializer->deserialize(json_encode($item), $targetEntity, 'json'); |
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}, |
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$responseObjects |
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); |
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if (isset($responseDecoded['results'])) { |
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return new PaginatedResults( |
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$responseObjects, |
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$responseDecoded['current_page'], |
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$responseDecoded['max_pages'] |
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); |
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} |
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return $responseObjects; |
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} |
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/** |
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* @param array $array |
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* @return array |
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*/ |
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private function _convertNaming($array) |
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{ |
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$result = []; |
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foreach ($array as $key => $value) { |
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$key = lcfirst(implode('', array_map('ucfirst', explode('_', $key)))); |
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$result[$key] = $value; |
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} |
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return $result; |
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} |
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} |
Wolnosciowiec /
comrade-reader
