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<?php |
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namespace Tleckie\Router; |
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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 function array_filter; |
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use function array_shift; |
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/** |
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* Class MiddlewareDispatcher |
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* |
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* @package Tleckie\Router |
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* @author Teodoro Leckie Westberg <[email protected]> |
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*/ |
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class MiddlewareDispatcher implements RequestHandlerInterface |
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{ |
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/** @var MiddlewareInterface[] */ |
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private array $middlewares; |
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/** @var ResponseInterface */ |
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private ResponseInterface $response; |
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/** |
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* MiddlewareDispatcher constructor. |
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* |
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* @param ResponseInterface $response |
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* @param MiddlewareInterface ...$middlewares |
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*/ |
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public function __construct(ResponseInterface $response, MiddlewareInterface ...$middlewares) |
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{ |
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$this->response = $response; |
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$this->middlewares = $middlewares; |
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} |
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/** |
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* @param ServerRequestInterface $request |
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* @return ResponseInterface |
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*/ |
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public function handle(ServerRequestInterface $request): ResponseInterface |
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{ |
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$middleware = array_shift($this->middlewares); |
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return $middleware |
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? $middleware->process($request, $this->withoutMiddleware($middleware)) |
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: $this->response; |
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} |
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/** |
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* @param MiddlewareInterface $middleware |
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* @return RequestHandlerInterface |
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*/ |
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private function withoutMiddleware(MiddlewareInterface $middleware): RequestHandlerInterface |
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{ |
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$collection = array_filter( |
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$this->middlewares, |
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static function ($current) use ($middleware) { |
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return $middleware !== $current; |
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} |
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); |
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return new self($this->response, ...$collection); |
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} |
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} |
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teodoroleckie /
router
