Initial commit

src/Http/Kernel.php

@@ -0,0 +1,48 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Http;
+
+use App\Core\EnvironmentLoader;
+use App\Enums\Environment;
+use Laminas\Diactoros\ServerRequest;
+use Laminas\HttpHandlerRunner\Emitter\SapiEmitter;
+use League\Route\Router;
+use Whoops\Handler\PrettyPageHandler;
+use Whoops\Run;
+
+/** @codeCoverageIgnore */
+final readonly class Kernel
+{
+    public function __construct(
+        private EnvironmentLoader $environmentLoader,
+        private ExceptionHandler $exceptionHandler,
+        private ServerRequest $serverRequest,
+        private Router $router,
+        private SapiEmitter $sapiEmitter,
+    ) {
+    }
+
+    public function run(): void
+    {
+        $this->environmentLoader->load();
+        $this->setExceptionHandler();
+
+        $response = $this->router->dispatch($this->serverRequest);
+        $this->sapiEmitter->emit($response);
+    }
+
+    private function setExceptionHandler(): void
+    {
+        if (Environment::Production->isCurrent()) {
+            set_exception_handler($this->exceptionHandler->handle(...));
+
+            return;
+        }
+
+        $whoops = new Run();
+        $whoops->pushHandler(new PrettyPageHandler());
+        $whoops->register();
+    }
+}