80 lines
2.3 KiB
PHP
80 lines
2.3 KiB
PHP
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<?php
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declare(strict_types=1);
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namespace Phred\Http;
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use DI\Container;
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use DI\ContainerBuilder;
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use FastRoute\Dispatcher;
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use FastRoute\RouteCollector;
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use Nyholm\Psr7\Factory\Psr17Factory;
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use Psr\Http\Message\ResponseInterface;
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use Psr\Http\Message\ServerRequestInterface as ServerRequest;
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use Relay\Relay;
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use function FastRoute\simpleDispatcher;
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/**
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* Core HTTP Kernel builds container, routes, and PSR-15 pipeline and processes requests.
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*/
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final class Kernel
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{
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private Container $container;
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private Dispatcher $dispatcher;
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public function __construct(?Container $container = null, ?Dispatcher $dispatcher = null)
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{
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$this->container = $container ?? $this->buildContainer();
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$this->dispatcher = $dispatcher ?? $this->buildDispatcher();
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}
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public function container(): Container
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{
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return $this->container;
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}
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public function dispatcher(): Dispatcher
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{
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return $this->dispatcher;
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}
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public function handle(ServerRequest $request): ResponseInterface
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{
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$psr17 = new Psr17Factory();
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$middleware = [
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new Middleware\RoutingMiddleware($this->dispatcher, $psr17),
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new Middleware\DispatchMiddleware($this->container, $psr17),
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];
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$relay = new Relay($middleware);
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return $relay->handle($request);
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}
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private function buildContainer(): Container
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{
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$builder = new ContainerBuilder();
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// Add definitions/bindings here as needed.
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return $builder->build();
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}
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private function buildDispatcher(): Dispatcher
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{
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$routesPath = dirname(__DIR__, 2) . '/routes';
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$collector = static function (RouteCollector $r) use ($routesPath): void {
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// Load user-defined routes if present
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$router = new Router($r);
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foreach (['web.php', 'api.php'] as $file) {
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$path = $routesPath . '/' . $file;
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if (is_file($path)) {
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/** @noinspection PhpIncludeInspection */
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(static function ($router) use ($path) { require $path; })($router);
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}
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}
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// Ensure a default health route exists for acceptance/demo
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$r->addRoute('GET', '/_phred/health', [Controllers\HealthController::class, '__invoke']);
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};
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return simpleDispatcher($collector);
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}
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}
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