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<?php |
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namespace CodinPro\DataTransferObject; |
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use ArrayAccess; |
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use Countable; |
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use IteratorAggregate; |
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class DTOBase implements ArrayAccess, IteratorAggregate, Countable |
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{ |
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protected $data; |
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protected $default = []; |
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private $serializer = null; |
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use DTOAccessorTrait; |
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use DTOIteratorTrait; |
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/** |
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* DTO constructor. |
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* @param array $default |
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* @param array|object|string $data |
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* @param DTOSerializerInterface $serializer |
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* @throws \InvalidArgumentException |
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*/ |
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public function __construct($default = [], $data = [], DTOSerializerInterface $serializer = null) |
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{ |
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if (count($default) > 0) { |
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$this->default = $default; |
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} |
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$this->serializer = $serializer === null ? new JsonSerializer() : $serializer; |
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(new DTOBaseBuilder($this))->build($data); |
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} |
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/** |
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* Get value by key or nested structure |
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* @param string $offset |
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* @return mixed |
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* @throws \InvalidArgumentException |
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*/ |
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public function get($offset) |
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{ |
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if (strpos($offset, '.') === false) { |
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return $this->offsetGetScalar($offset); |
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} else { |
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return $this->processChain($offset); |
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} |
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} |
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/** |
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* Converts data to string |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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return $this->serialize(); |
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} |
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/** |
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* Converts data to string |
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* @return string |
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*/ |
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public function toArray() |
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{ |
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if ($this->serializer instanceof JsonSerializer) { |
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return json_decode($this->serialize(), true); |
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} else { |
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return json_decode((new JsonSerializer())->serialize($this->data), true); |
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} |
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} |
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/** |
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* Serializes the data using serializer |
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* @return string |
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*/ |
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private function serialize() |
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{ |
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return $this->serializer->serialize($this->data); |
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} |
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/** |
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* @return DTOSerializerInterface |
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*/ |
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public function getSerializer() |
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{ |
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return $this->serializer; |
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} |
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/** |
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* @param DTOSerializerInterface $serializer |
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* @return DTOBase |
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*/ |
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public function setSerializer(DTOSerializerInterface $serializer) |
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{ |
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$this->serializer = $serializer; |
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return $this; |
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} |
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/** |
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* @return array |
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*/ |
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public function getDefault() |
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{ |
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return $this->default; |
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} |
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/** |
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* Get nested values using "dot" notation |
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* @param $offset |
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* @return mixed |
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* @throws \InvalidArgumentException |
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*/ |
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private function processChain($offset) |
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{ |
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$keys = explode('.', $offset); |
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$scope = $this->data; |
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foreach ($keys as $key) { |
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$scope = $this->pickValue($scope, $key); |
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} |
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return $scope; |
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} |
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/** |
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* @param $scope |
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* @param $key |
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* @return mixed |
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* @throws \InvalidArgumentException |
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*/ |
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5 |
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private function pickValue($scope, $key) |
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{ |
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if (isset($scope->{$key})) { |
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return $scope->{$key}; |
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}elseif (isset($scope[$key])) { |
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return $scope[$key]; |
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} |
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2 |
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throw new \InvalidArgumentException('Non existent offset given in offset chain: '.$key); |
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} |
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} |
CodinPro /
data-transfer-object
