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<?php |
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namespace Kami\ApiCoreBundle\RequestProcessor; |
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use Kami\ApiCoreBundle\RequestProcessor\Step\StepInterface; |
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use Symfony\Component\HttpFoundation\Request; |
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class DefaultRequestProcessor implements RequestProcessorInterface |
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{ |
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protected $availableSteps; |
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protected $executedSteps; |
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public function addStep($shortcut, StepInterface $step) |
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{ |
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$this->availableSteps[$shortcut] = $step; |
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} |
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public function executeStrategy(array $strategy, Request $request) |
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{ |
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$response = new ProcessorResponse($request, []); |
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$this->executedSteps = []; |
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foreach ($strategy as $shortcut) { |
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$step = $this->availableSteps[$shortcut]; |
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$response = $this->executeStep($step, $request, $response); |
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if (200 !== $response->getStatus()) { |
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break; |
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} |
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} |
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return $response->toHttpResponse(); |
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} |
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protected function executeStep(StepInterface $step, $request, $response) |
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{ |
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$this->checkHasPassedRequiredSteps($step); |
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$step->setRequest($request); |
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$step->setPreviousResponse($response); |
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$response = $step->execute(); |
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if(!$response) { |
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throw new ProcessingException( |
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sprintf('RequestProcessor didn\'t receive any response from %s', get_class($step))); |
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} |
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$this->executedSteps[] = $step->getName(); |
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return $response; |
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} |
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protected function checkHasPassedRequiredSteps(StepInterface $step) |
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{ |
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if (0 === count($step->requiresBefore())) { |
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return; |
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} |
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foreach ($step->requiresBefore() as $requiredStep) { |
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if (!in_array($requiredStep, $this->executedSteps)) { |
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throw new ProcessingException(sprintf( |
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"Request didn't pass required steps yet. Try to adjust your processing strategy\n" . |
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"Required steps for %s are: %s", $step->getName(), implode(',', $step->requiresBefore()) |
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)); |
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} |
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} |
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} |
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} |
kamilabs /
api-core-bundle
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