diff --git a/src/User/UserController.php b/src/User/UserController.php
index 28c74e8..c1cbbd9 100644
--- a/src/User/UserController.php
+++ b/src/User/UserController.php
@@ -2,12 +2,18 @@
 
 namespace FreightQuote\User;
 
+use FreightQuote\User\UseCases\LoginUser;
+use FreightQuote\User\UseCases\LoginUserRequest;
 use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Http\Message\ServerRequestInterface as Request;
 use Slim\Views\Twig;
 
 class UserController
 {
+    public function __construct(
+        private UserRepository $userRepo,
+    ) {}
+
     public function home(Request $request, Response $response): Response
     {
         $view = Twig::fromRequest($request);
@@ -26,6 +32,19 @@ class UserController
 
     public function doLogin(Request $request, Response $response): Response
     {
+        $view = Twig::fromRequest($request);
+        $body = $request->getParsedBody();
+        $email = $body['email'];
+        $password = $body['password'];
+        $useCase = new LoginUser(
+            new LoginUserRequest($email, $password),
+            $this->userRepo,
+        );
+        $result = $useCase->execute();
+        if (!$result) {
+            return $view->render($response, 'login.html.twig')
+                ->withStatus(401);
+        }
         $_SESSION['user_id'] = 1;
         $_SESSION['user']    = ['id' => 1, 'email' => 'email@email.com'];
         $location = '/dashboard';