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<?php |
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/** |
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* @author PhileCMS |
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* @link https://philecms.com |
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* @license http://opensource.org/licenses/MIT |
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*/ |
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namespace Phile\Core; |
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use Interop\Http\Server\MiddlewareInterface; |
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use Interop\Http\Server\RequestHandlerInterface; |
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use Interop\Http\Factory\ResponseFactoryInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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/** |
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* Implements a PSR-15 compatible request handler |
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*/ |
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class RequestHandler implements RequestHandlerInterface |
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{ |
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/** @var \SplPriorityQueue the middleware to process */ |
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protected $middleware; |
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/** @var ResponseFactoryInterface PSR-17 HTTP response factory */ |
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protected $responseFactory; |
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/** |
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* Constructor |
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* |
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* @param ResponseFactoryInterface $responseFactory |
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*/ |
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public function __construct(ResponseFactoryInterface $responseFactory) |
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{ |
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$this->responseFactory = $responseFactory; |
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$this->middleware = new \SplPriorityQueue(); |
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} |
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/** |
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* Adds middleware to the the middleware-queue |
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* |
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* @param MiddlewareInterface $middleware Middleware to add |
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* @param int $priority Priority orders middleware in queue |
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*/ |
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public function add(MiddlewareInterface $middleware, $priority = 10) |
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{ |
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$this->middleware->insert($middleware, $priority); |
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} |
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/** |
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* Handle the request and return a response. |
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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 $request) |
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{ |
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if ($this->middleware->key() === 0) { |
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$this->middleware->rewind(); |
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} |
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if (!$this->middleware->valid()) { |
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return $this->responseFactory->createResponse(); |
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} |
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$current = $this->middleware->current(); |
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$this->middleware->next(); |
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return call_user_func_array([$current, 'process'], [$request, $this]); |
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} |
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} |
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PhileCMS /
Phile
