Implement simple PHP based view renderer

src/Http/GenericRouter.php

@@ -2,11 +2,10 @@
 
 namespace Ardent\Undercurrent\Http;
 
-use Ardent\Undercurrent\Container\ClassNotFoundException;
+use Ardent\Undercurrent\AppConfig;
 use Ardent\Undercurrent\Container\ContainerInterface;
 use Ardent\Undercurrent\Logger\LoggerInterface;
-use Exception;
-use ReflectionMethod;
+use Ardent\Undercurrent\View\ViewInterface;
 
 class GenericRouter implements RouterInterface
 {
@@ -32,11 +31,17 @@ class GenericRouter implements RouterInterface
 
             $this->logger->add(sprintf('Matched route %s', $route->getRoute()->path));
 
-            return $this->container->call(
+            $response = $this->container->call(
                 $route->getController(),
                 $route->getMethod(),
                 $params,
             );
+
+            if ($response instanceof ViewInterface) {
+                return new GenericResponse($response->render($this->container->get(AppConfig::class)));
+            }
+
+            return $response;
         }
 
         throw new RouteNotFoundException($request);

src/Http/RouterInterface.php

@@ -2,6 +2,8 @@
 
 namespace Ardent\Undercurrent\Http;
 
+use Ardent\Undercurrent\View\ViewInterface;
+
 interface RouterInterface
 {
     public function dispatch(RequestInterface $request): ResponseInterface;

src/Kernel/BaseKernel.php

@@ -14,6 +14,7 @@ use Ardent\Undercurrent\Http\RouterInterface;
 use Ardent\Undercurrent\Http\StatusEnum;
 use Ardent\Undercurrent\Logger\LogContainer;
 use Ardent\Undercurrent\Logger\LoggerInterface;
+use Ardent\Undercurrent\View\ViewInterface;
 
 class BaseKernel
 {
@@ -61,10 +62,6 @@ class BaseKernel
             //$response = $container->get(RouterConfig::class)->getExceptionRoute()->getController()::exception($e);
         }
 
-        foreach ($log->getLogs() as $log) {
-            echo sprintf('<p>%s</p>', $log);
-        }
-
         http_response_code($response->getStatus()->value);
 
         foreach ($response->getHeaders() as $header) {
@@ -72,6 +69,10 @@ class BaseKernel
         }
 
         echo $response->getBody();
+
+        foreach ($log->getLogs() as $log) {
+            echo sprintf('<p>%s</p>', $log);
+        }
     }
 
     protected function addControllers(ContainerInterface $container, array $controllers): void

src/View/BaseView.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Ardent\Undercurrent\View;
+
+use Ardent\Undercurrent\AppConfig;
+use Ardent\Undercurrent\Http\GenericResponse;
+use Ardent\Undercurrent\Http\ResponseInterface;
+
+class BaseView implements ViewInterface
+{
+    public function __construct(
+        private readonly string  $path,
+        private readonly array   $data = [],
+        private ?string $extends = null,
+    )
+    {
+    }
+
+    public function render(AppConfig $config): string
+    {
+        $path = $config->getRootPath() . $this->path;
+
+        ob_start();
+        include $path;
+        $output = ob_get_clean();
+        if ($this->extends) {
+            $output = (new BaseView($this->extends, $this->data + ['slot' => $output]))->render($config);
+        }
+
+        return $output;
+    }
+}

src/View/ViewInterface.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Ardent\Undercurrent\View;
+
+use Ardent\Undercurrent\AppConfig;
+use Ardent\Undercurrent\Http\ResponseInterface;
+
+interface ViewInterface
+{
+    public function render(AppConfig $config): string;
+}