Add a Slim Response factory to the DI.

app/src/Bootstrap.php

@@ -8,11 +8,13 @@ use Slim\Factory\AppFactory;
 use League\Config\Configuration;
 
 use Psr\Container\ContainerInterface;
+use Psr\Http\Message\ResponseFactoryInterface;
 use DI\Container;
 use DI\ContainerBuilder;
 
 use Slim\Views\Twig;
 use Slim\Views\TwigMiddleware;
+use Slim\Psr7\Factory\ResponseFactory;
 
 use Slovocast\Routes;
 use Slovocast\Configuration\SiteInformationSchema;
@@ -89,6 +91,9 @@ class Bootstrap
             SessionInterface::class => function (ContainerInterface $container) {
                 $options = $container->get('config')->get('session');
                 return new PhpSession($options);
+            },
+            ResponseFactoryInterface::class => function (ContainerInterface $container) {
+                return new ResponseFactory();
             }
         ]);
 

app/src/Infrastructure/DatabaseConnection.php

@@ -10,14 +10,10 @@ use Slovocast\Infrastructure\DatabaseConnectionInterface;
  */
 class DatabaseConnection implements DatabaseConnectionInterface
 {
-    private string $name;
-    private PDO $pdo;
-
-    public function __construct(string $name, PDO $pdo)
-    {
-        $this->name = $name;
-        $this->pdo = $pdo;
-    }
+    public function __construct(
+        private string $name, 
+        private PDO $pdo
+    ) { }
 
     public function getConnection(): PDO
     {

app/src/Infrastructure/User/UserAuthorizationInterface.php

@@ -2,6 +2,9 @@
 
 namespace Slovocast\Infrastructure\User;
 
+/**
+ * A simple interface for securing and checking secured passwords for a user
+ */
 interface UserAuthorizationInterface 
 {
     public function hash(string $password): string;

app/src/Middleware/VerifyPasswordMiddleware.php

@@ -7,11 +7,13 @@ use Psr\Http\Server\MiddlewareInterface;
 use Psr\Http\Server\RequestHandlerInterface as RequestHandler;
 use Psr\Http\Message\ServerRequestInterface as Request;
 use Psr\Http\Message\ResponseInterface as Response;
+use Psr\Http\Message\ResponseFactoryInterface;
 
 class VerifyPasswordMiddleware implements MiddlewareInterface
 {
     public function __construct(
-        private SessionInterface $session
+        private SessionInterface $session,
+        private ResponseFactoryInterface $responseFactory
     ) {}
 
     public function process(Request $request, RequestHandler $handler): Response
@@ -20,12 +22,14 @@ class VerifyPasswordMiddleware implements MiddlewareInterface
         $requestData = $request->getParsedBody();
 
         if ($requestData['password'] !== $requestData['checked_password']) {
-            
+            $message = "Passwords do not match.";
             $this->session
                  ->getFlash()
-                 ->add('error', "Passwords do not match.");
-            $response = $handler->handle($request);
-            return $response->withStatus(400);
+                 ->add('error', $message); 
+
+            // throw an error? send it back to the register screen?
+            $response = $this->responseFactory->createResponse(400, $message); 
+            return $response;
         }
 
         return $handler->handle($request);

app/src/Routes.php

@@ -6,7 +6,8 @@ use Slim\App;
 use Slovocast\Controller\HomePage;
 use Slovocast\Controller\User\{
     RegisterUserPage,
-    RegisterUserAction
+    RegisterUserAction,
+    LoginUserPage
 };
 use Slovocast\Middleware\VerifyPasswordMiddleware;
 
@@ -21,8 +22,13 @@ class Routes
 
     protected static function users(App $app): void
     {
-        $app->get('/users/register', RegisterUserPage::class);
+        $app->get('/users/register', RegisterUserPage::class)
+            ->setName('user-register-page');
         $app->post('/users/register', RegisterUserAction::class)
-            ->add(VerifyPasswordMiddleware::class);
+            ->add(VerifyPasswordMiddleware::class)
+            ->setName('user-register-action');
+
+        $app->get('/login', LoginUserPage::class)
+            ->setName('user-login-page');
     }
 }