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<?php |
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/** |
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* @copyright Copyright (c) Flipbox Digital Limited |
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* @license https://github.com/flipbox/pipeline/blob/master/LICENSE.md |
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* @link https://github.com/flipbox/pipeline |
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*/ |
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namespace Flipbox\Pipeline\Pipelines; |
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use Flipbox\Pipeline\Processors\Processor; |
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use Flipbox\Skeleton\Helpers\ArrayHelper; |
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use Flipbox\Skeleton\Helpers\ObjectHelper; |
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use Flipbox\Skeleton\Object\AbstractObject; |
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use League\Pipeline\PipelineInterface; |
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use League\Pipeline\ProcessorInterface; |
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use League\Pipeline\StageInterface; |
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use Psr\Log\InvalidArgumentException; |
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/** |
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* An extensible pipeline |
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* |
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* @author Flipbox Digital <[email protected]> |
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* @since 1.0.0 |
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*/ |
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class Pipeline extends AbstractObject implements PipelineInterface |
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{ |
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/** |
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* @var StageInterface[]|callable[] |
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*/ |
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protected $stages = []; |
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/** |
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* @var ProcessorInterface|null |
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*/ |
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protected $processor = Processor::class; |
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/** |
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* @inheritdoc |
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*/ |
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public function __construct($config = []) |
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{ |
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$this->stages = ArrayHelper::remove($config, 'stages', []); |
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parent::__construct($config); |
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} |
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/** |
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* @return callable[]|StageInterface[]|mixed|null |
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*/ |
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protected function getStages() |
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{ |
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foreach ($this->stages as $key => $stage) { |
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$this->stages[$key] = $this->resolveStage($stage); |
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} |
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return $this->stages; |
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} |
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/** |
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* @param $stage |
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* @return callable |
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* @throws InvalidArgumentException |
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*/ |
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protected function resolveStage($stage): callable |
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{ |
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if (is_callable($stage)) { |
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return $stage; |
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} |
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try { |
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if (!is_object($stage)) { |
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return $this->resolveStage( |
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ObjectHelper::create($stage) |
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); |
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} |
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} catch (\Exception $e) { |
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throw new InvalidArgumentException($e->getMessage()); |
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} |
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throw new InvalidArgumentException('All stages should be callable.'); |
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} |
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/** |
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* @return ProcessorInterface |
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* @throws InvalidArgumentException |
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*/ |
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public function getProcessor(): ProcessorInterface |
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{ |
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if (!$this->processor instanceof ProcessorInterface) { |
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$this->processor = $this->resolveProcessor($this->processor); |
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} |
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return $this->processor; |
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} |
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/** |
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* @param $processor |
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* @return $this |
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*/ |
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public function setProcessor($processor) |
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{ |
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$this->processor = $processor; |
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return $this; |
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} |
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/** |
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* @param $processor |
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* @return ProcessorInterface |
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* @throws InvalidArgumentException |
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*/ |
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protected function resolveProcessor($processor): ProcessorInterface |
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{ |
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if ($processor instanceof ProcessorInterface) { |
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return $processor; |
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} |
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try { |
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if (!is_object($processor)) { |
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return $this->resolveProcessor( |
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ObjectHelper::create($processor) |
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); |
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} |
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} catch (\Exception $e) { |
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throw new InvalidArgumentException($e->getMessage()); |
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} |
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throw new InvalidArgumentException(sprintf( |
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"Processor must be an instance of '%s'.", |
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ProcessorInterface::class |
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)); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function pipe(callable $stage) |
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{ |
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$pipeline = clone $this; |
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$pipeline->stages[] = $stage; |
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return $pipeline; |
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} |
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/** |
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* @param mixed $payload |
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* @param array $extra |
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* @return mixed |
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* @throws InvalidArgumentException |
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*/ |
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public function process($payload, $extra = []) |
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{ |
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if (!is_array($extra)) { |
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$extra = ['source' => $extra]; |
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} |
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return $this->getProcessor()->process($this->getStages(), $payload, $extra); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function __invoke($payload, $extra = []) |
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{ |
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return $this->process($payload, $extra); |
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} |
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} |
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flipbox /
pipeline
