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<?php |
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/* |
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* dto (https://github.com/phpgears/dto). |
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* General purpose immutable Data Transfer Objects for PHP. |
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* |
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* @license MIT |
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* @link https://github.com/phpgears/dto |
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* @author Julián Gutiérrez <[email protected]> |
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*/ |
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declare(strict_types=1); |
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namespace Gears\DTO; |
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use Gears\DTO\Exception\InvalidMethodCallException; |
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use Gears\DTO\Exception\InvalidParameterException; |
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/** |
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* Payload behaviour. |
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*/ |
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trait PayloadBehaviour |
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{ |
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/** |
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* @var mixed[] |
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*/ |
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private $payload = []; |
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/** |
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* Set payload. |
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* |
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* @param array<string, mixed> $parameters |
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*/ |
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private function setPayload(array $parameters): void |
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{ |
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$this->payload = []; |
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foreach ($parameters as $parameter => $value) { |
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$this->setPayloadParameter($parameter, $value); |
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} |
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} |
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/** |
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* Set payload attribute. |
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* |
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* @param string $parameter |
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* @param mixed $value |
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*/ |
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private function setPayloadParameter(string $parameter, $value): void |
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{ |
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$this->payload[$parameter] = $value; |
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} |
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/** |
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* Check parameter existence. |
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* |
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* @param string $parameter |
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* |
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* @return bool |
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*/ |
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final public function has(string $parameter): bool |
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{ |
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return \array_key_exists($parameter, $this->payload); |
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} |
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/** |
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* Get parameter. |
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* |
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* @param string $parameter |
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* |
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* @throws InvalidParameterException |
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* |
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* @return mixed |
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*/ |
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final public function get(string $parameter) |
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{ |
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if (!\array_key_exists($parameter, $this->payload)) { |
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throw new InvalidParameterException(\sprintf( |
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'Payload parameter "%s" on "%s" does not exist', |
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$parameter, |
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static::class |
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)); |
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} |
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$value = $this->payload[$parameter]; |
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$transformer = $this->getParameterTransformerMethod($parameter); |
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if (\method_exists($this, $transformer)) { |
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$value = $this->$transformer($value); |
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} |
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return $value; |
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} |
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/** |
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* Export payload. |
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* |
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* @return array<string, mixed> |
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*/ |
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final public function getPayload(): array |
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{ |
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return $this->payload; |
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} |
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/** |
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* Get parameter transformer getter method name. |
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* |
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* @param string $parameter |
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* |
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* @return string |
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*/ |
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protected function getParameterTransformerMethod(string $parameter): string |
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{ |
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return 'output' . \ucfirst($parameter); |
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} |
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/** |
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* Magic getters call. |
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* |
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* @param string $methodName |
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* @param mixed[] $arguments |
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* |
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* @throws InvalidMethodCallException |
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* @throws InvalidParameterException |
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* |
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* @return mixed |
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*/ |
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final public function __call(string $methodName, array $arguments) |
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{ |
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if (\preg_match('/^(has|get)([A-Z][a-zA-Z0-9-_]*)$/', $methodName, $matches) !== 1) { |
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throw new InvalidMethodCallException( |
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\sprintf('Method "%s::%s" does not exist', static::class, $methodName) |
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); |
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} |
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if (\count($arguments) !== 0) { |
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throw new InvalidMethodCallException(\sprintf( |
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'Method "%s::%s" should be called with no parameters', |
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static::class, |
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$methodName |
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)); |
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} |
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[$method, $parameter] = \array_slice($matches, 1); |
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if ($this->has($parameter)) { |
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return $method === 'has' ? true : $this->get($parameter); |
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} |
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return $method === 'has' ? $this->has(\lcfirst($parameter)) : $this->get(\lcfirst($parameter)); |
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} |
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} |
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phpgears /
dto
