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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Yii\Cycle\Schema; |
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use Psr\Container\ContainerInterface; |
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use SplDoublyLinkedList; |
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use Yiisoft\Yii\Cycle\Exception\CumulativeException; |
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use Yiisoft\Yii\Cycle\Schema\Provider\DeferredSchemaProviderDecorator; |
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/** |
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* SchemaManager allows reading schema from providers available and clearing the schema in providers. |
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*/ |
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final class SchemaManager |
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{ |
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/** @var SplDoublyLinkedList<int, SchemaProviderInterface> */ |
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private SplDoublyLinkedList $providers; |
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public function __construct(ContainerInterface $container, array $providers) |
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{ |
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$this->providers = $this->createPipeline($container, $providers); |
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} |
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public function read(): ?array |
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{ |
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if ($this->providers->count() === 0) { |
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return null; |
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} |
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$this->providers->rewind(); |
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return $this->providers->current()->read(); |
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} |
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public function clear(): void |
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{ |
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$exceptions = []; |
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foreach ($this->providers as $provider) { |
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try { |
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$provider->clear(); |
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} catch (\Throwable $e) { |
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$exceptions[] = $e; |
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} |
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} |
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if (count($exceptions)) { |
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throw new CumulativeException(...$exceptions); |
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} |
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} |
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private function createPipeline(ContainerInterface $container, array $providers): SplDoublyLinkedList |
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{ |
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$stack = new SplDoublyLinkedList(); |
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$nextProvider = null; |
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foreach (array_reverse($providers) as $key => $definition) { |
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$config = []; |
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if (is_string($key) && is_array($definition)) { |
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$config = $definition; |
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$definition = $key; |
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} |
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$nextProvider = (new DeferredSchemaProviderDecorator($container, $definition, $nextProvider)) |
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->withConfig($config); |
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$stack->unshift($nextProvider); |
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} |
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return $stack; |
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} |
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} |
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yiisoft /
yii-cycle
