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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Swagger\Middleware; |
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use DateInterval; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Server\MiddlewareInterface; |
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use Psr\Http\Server\RequestHandlerInterface; |
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use Psr\SimpleCache\CacheInterface; |
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use Yiisoft\DataResponse\DataResponseFactoryInterface; |
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use Yiisoft\Swagger\Service\SwaggerService; |
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use function md5; |
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use function var_export; |
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final class SwaggerJson implements MiddlewareInterface |
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{ |
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private array $annotationPaths = []; |
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private bool $enableCache = false; |
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private CacheInterface $cache; |
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private DataResponseFactoryInterface $responseFactory; |
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private SwaggerService $swaggerService; |
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/** @var DateInterval|int|null $cacheTTL */ |
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private $cacheTTL; |
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public function __construct( |
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CacheInterface $cache, |
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DataResponseFactoryInterface $responseFactory, |
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SwaggerService $swaggerService |
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) { |
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$this->cache = $cache; |
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$this->responseFactory = $responseFactory; |
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$this->swaggerService = $swaggerService; |
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} |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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$cacheKey = $this->enableCache ? $this->getCacheKey() : false; |
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if ($cacheKey && $this->cache->has($cacheKey)) { |
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return $this->responseFactory |
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->createResponse($this->cache->get($cacheKey)); |
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} |
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$openApi = $this->swaggerService |
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->fetch($this->annotationPaths); |
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if ($cacheKey) { |
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$this->cache->set($cacheKey, $openApi, $this->cacheTTL); |
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} |
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return $this->responseFactory |
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->createResponse($openApi); |
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} |
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private function getCacheKey(): string |
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{ |
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return md5(var_export([self::class, $this->annotationPaths], true)); |
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} |
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public function withAnnotationPaths(array $annotationPaths): self |
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{ |
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$new = clone $this; |
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$new->annotationPaths = $annotationPaths; |
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return $new; |
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} |
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/** |
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* @param DateInterval|int|null $cacheTTL |
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* @return SwaggerJson |
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*/ |
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public function withCache($cacheTTL = null): self |
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{ |
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$new = clone $this; |
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$new->enableCache = true; |
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$new->cacheTTL = $cacheTTL; |
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return $new; |
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} |
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} |
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yiisoft /
yii-swagger
