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<?php |
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namespace Overblog\GraphQLBundle\Definition; |
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use Overblog\GraphQLBundle\Definition\ConfigProcessor\ConfigProcessorInterface; |
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final class ConfigProcessor implements ConfigProcessorInterface |
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{ |
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/** |
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* @var ConfigProcessorInterface[] |
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*/ |
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private $orderedProcessors; |
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/** |
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* @var array |
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*/ |
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private $processors; |
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/** |
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* @var bool |
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*/ |
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private $isInitialized = false; |
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public function addConfigProcessor(ConfigProcessorInterface $configProcessor, $priority = 0) |
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{ |
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$this->register($configProcessor, $priority); |
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} |
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public function register(ConfigProcessorInterface $configProcessor, $priority = 0) |
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{ |
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if ($this->isInitialized) { |
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throw new \LogicException('Registering config processor after calling process() is not supported.'); |
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} |
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$this->processors[] = ['processor' => $configProcessor, 'priority' => $priority]; |
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} |
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public function getOrderedProcessors() |
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{ |
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$this->initialize(); |
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return $this->orderedProcessors; |
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} |
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public function process(LazyConfig $lazyConfig) |
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{ |
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foreach ($this->getOrderedProcessors() as $processor) { |
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$lazyConfig = $processor->process($lazyConfig); |
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} |
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return $lazyConfig; |
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} |
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private function initialize() |
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{ |
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if (!$this->isInitialized) { |
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// order processors by DESC priority |
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$processors = $this->processors; |
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\usort($processors, function ($processorA, $processorB) { |
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if ($processorA['priority'] === $processorB['priority']) { |
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return 0; |
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} |
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return ($processorA['priority'] < $processorB['priority']) ? 1 : -1; |
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}); |
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$this->orderedProcessors = \array_column($processors, 'processor'); |
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$this->isInitialized = true; |
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} |
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} |
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} |
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overblog /
GraphQLBundle
