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<?php |
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declare(strict_types=1); |
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namespace roxblnfk\SmartStream; |
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use Closure; |
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use Psr\Http\Message\RequestInterface; |
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use Psr\Http\Message\StreamFactoryInterface; |
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use Psr\Http\Message\StreamInterface; |
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use roxblnfk\SmartStream\Data\DataBucket; |
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use roxblnfk\SmartStream\Stream\BucketStream; |
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use roxblnfk\SmartStream\Stream\GeneratorStream; |
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final class SmartStreamFactory |
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{ |
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private ConverterMatcherInterface $converterMatcher; |
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private string $defaultBucketClass = DataBucket::class; |
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private array $factories = []; |
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public function __construct( |
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StreamFactoryInterface $defaultFactory, |
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ConverterMatcherInterface $converterMatcher |
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) { |
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$this->converterMatcher = $converterMatcher; |
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$this->addStreamFactory(static fn($data) => $data instanceof \Generator ? new GeneratorStream($data) : null); |
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$this->addStreamFactory(function ($data) use ($defaultFactory) { |
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switch (true) { |
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case is_string($data): |
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return $defaultFactory->createStream($data); |
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case is_resource($data): |
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return $defaultFactory->createStreamFromResource($data); |
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case $data instanceof \SplFileInfo: |
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return $defaultFactory->createStreamFromFile($data->getPathname()); |
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} |
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return null; |
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}); |
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} |
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public function withDefaultBucketClass(string $bucketClass): self |
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{ |
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$clone = clone $this; |
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if (!is_subclass_of($bucketClass, DataBucket::class, true)) { |
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throw new \InvalidArgumentException('Bucket class should be subclass of DataBucket.'); |
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} |
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$clone->defaultBucketClass = $bucketClass; |
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return $clone; |
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} |
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/** |
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* Last added factory called first |
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*/ |
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public function withStreamFactory(Closure $factory): self |
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{ |
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$clone = clone $this; |
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$clone->addStreamFactory($factory); |
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return $clone; |
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} |
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public function withoutStreamFactories(): self |
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{ |
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$clone = clone $this; |
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$clone->factories = []; |
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return $clone; |
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} |
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private function addStreamFactory(Closure $factory): void |
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{ |
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array_unshift($this->factories, $factory); |
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} |
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public function createStream($data, ?RequestInterface $request = null): StreamInterface |
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{ |
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foreach ($this->factories as $factory) { |
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$result = $factory($data); |
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if ($result instanceof StreamInterface) { |
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return $result; |
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} |
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if ($result instanceof DataBucket) { |
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$data = $result; |
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break; |
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} |
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} |
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return new BucketStream( |
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$this->converterMatcher->withRequest($request), |
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$data instanceof DataBucket ? $data : new $this->defaultBucketClass($data) |
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); |
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} |
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} |
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roxblnfk /
smart-stream
