first commit

app/Controllers/Controller.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Controllers;
+
+use Psr\Http\Message\ResponseInterface as Response;
+use Psr\Http\Message\ServerRequestInterface as Request;
+use Slim\Views\Twig;
+
+abstract class Controller
+{
+    protected $view;
+    
+    public function __construct(Twig $view)
+    {
+        $this->view = $view;
+    }
+    
+    protected function json(Response $response, $data, int $status = 200): Response
+    {
+        $response->getBody()->write(json_encode($data));
+        return $response
+            ->withHeader('Content-Type', 'application/json')
+            ->withStatus($status);
+    }
+}