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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Yii\Cycle\Schema\Provider\Support; |
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use Psr\Container\ContainerInterface; |
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use Yiisoft\Yii\Cycle\Exception\BadDeclarationException; |
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use Yiisoft\Yii\Cycle\Schema\SchemaProviderInterface; |
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/** |
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* Auxiliary class for building scheme providers in a pipeline. |
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*/ |
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final class DeferredSchemaProviderDecorator implements SchemaProviderInterface |
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{ |
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/** @var SchemaProviderInterface|string */ |
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private $provider; |
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private array $config = []; |
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private ?self $nextProvider; |
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private ?SchemaProviderInterface $latestProvider = null; |
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private bool $resolved = false; |
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private ContainerInterface $container; |
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/** |
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* @param ContainerInterface $container |
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* @param $provider |
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* @param null|self $nextProvider |
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*/ |
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public function __construct(ContainerInterface $container, $provider, ?self $nextProvider) |
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{ |
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$this->provider = $provider; |
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$this->container = $container; |
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$this->nextProvider = $nextProvider; |
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} |
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public function withConfig(array $config): self |
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{ |
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$provider = !$this->resolved && count($this->config) === 0 ? $this->provider : $this->getProvider(); |
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$new = new self($this->container, $provider, $this->nextProvider); |
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$new->config = $config; |
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return $new; |
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} |
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public function read(?SchemaProviderInterface $latestProvider = null): ?array |
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{ |
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$latestProvider = $latestProvider ?? $this->latestProvider; |
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if ($latestProvider !== null && $this->nextProvider !== null) { |
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$nextProvider = $this->nextProvider->withLatestProvider($latestProvider); |
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} else { |
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$nextProvider = $this->nextProvider ?? $latestProvider; |
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} |
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return $this->getProvider()->read($nextProvider); |
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} |
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public function clear(): bool |
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{ |
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return $this->getProvider()->clear(); |
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} |
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/** |
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* @psalm-suppress InvalidReturnType,InvalidReturnStatement |
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*/ |
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private function getProvider(): SchemaProviderInterface |
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{ |
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if ($this->resolved) { |
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return $this->provider; |
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} |
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$provider = $this->provider; |
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if (is_string($provider)) { |
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$provider = $this->container->get($provider); |
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} |
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if (!$provider instanceof SchemaProviderInterface) { |
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throw new BadDeclarationException('Provider', SchemaProviderInterface::class, $provider); |
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} |
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$this->provider = count($this->config) > 0 ? $provider->withConfig($this->config) : $provider; |
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$this->resolved = true; |
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return $this->provider; |
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} |
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private function withLatestProvider(SchemaProviderInterface $provider): self |
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{ |
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// resolve provider |
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$this->getProvider(); |
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$new = clone $this; |
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$new->latestProvider = $provider; |
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return $new; |
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} |
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} |
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yiisoft /
yii-cycle
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