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<?php |
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namespace CCT\Component\Rest\Transformer\Response; |
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use CCT\Component\Rest\Transformer\AbstractSerializerTransformer; |
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use CCT\Component\Rest\Http\ResponseInterface; |
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use Symfony\Component\HttpFoundation\Response; |
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class CollectionObjectTransformer extends AbstractSerializerTransformer |
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{ |
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protected $mappingKeys = null; |
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/** |
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* @param ResponseInterface|Response $response |
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* |
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* {@inheritdoc} |
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*/ |
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public function transform(ResponseInterface $response) |
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{ |
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$data = $this->map($response->getData()); |
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foreach ($data as $k => $object) { |
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$data[$k] = $this->serializer->deserialize( |
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json_encode($object), |
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$this->class, |
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'json', |
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$this->context |
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); |
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} |
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$response->setData($data); |
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} |
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/** |
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* @param ResponseInterface|Response $response |
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* |
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* {@inheritdoc} |
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*/ |
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public function supports(ResponseInterface $response): bool |
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{ |
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$data = $response->getData(); |
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return ( |
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$response->isSuccessful() |
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&& $this->isArrayAndNotEmpty($data) |
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&& $this->mappingKeysExist($data) |
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&& $this->isSequential($this->map($data)) |
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); |
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} |
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/** |
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* Check if $data is an array and not empty |
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* |
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* @param mixed $data |
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* |
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* @return bool |
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*/ |
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protected function isArrayAndNotEmpty($data) |
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{ |
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return is_array($data) && !empty($data); |
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} |
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/** |
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* Extract collection from response array based on mapping key. |
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* Supports single level only |
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* If no mapping key returns full data |
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* |
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* @param $data |
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* |
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* @return array |
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*/ |
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protected function map(array $data): array |
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{ |
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if (null === $this->mappingKeys) { |
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return $data; |
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} |
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foreach ($this->mappingKeys as $key) { |
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if (key_exists($key, $data)) { |
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return $data; |
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} |
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} |
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return []; |
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} |
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protected function mappingKeysExist(array $data): bool |
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{ |
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if (null === $this->mappingKeys) { |
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return true; |
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} |
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return (bool) count(array_intersect($this->mappingKeys, array_flip($data))) > 0; |
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} |
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/** |
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* @return array|null |
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*/ |
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public function getMappingKeys(): ?array |
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{ |
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return $this->mappingKeys; |
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} |
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/** |
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* @param null|array $mappingKeys |
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*/ |
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public function setMappingKeys(array $mappingKeys = null) |
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{ |
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$this->mappingKeys = $mappingKeys; |
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} |
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public function isSequential($data) |
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{ |
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return array_keys($data) === range(0, count($data) - 1); |
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} |
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} |
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cct-marketing /
Rest
