map/system/connection update functionality (backend)

app/main/controller/MapController.php

@@ -8,14 +8,46 @@
 
 namespace Controller;
 
-class MapController extends AccessController {
+class MapController extends Controller {
 
     function __construct() {
         parent::__construct();
     }
 
+
     public function showMap() {
         $this->setTemplate('templates/view/map.html');
 
     }
+
+    /**
+     * function is called on each error
+     * @param $f3
+     */
+    public function showError($f3){
+        print_r($f3->get('ERROR'));
+
+        // set HTTP status
+        if(!empty($f3->get('ERROR.code'))){
+            $f3->status($f3->get('ERROR.code'));
+        }
+
+        if($f3->get('AJAX')){
+            header('Content-type: application/json');
+
+            // error on ajax call
+            $errorData = [
+                'status' => $f3->get('ERROR.status'),
+                'code' => $f3->get('ERROR.code'),
+                'text' => $f3->get('ERROR.text')
+            ];
+
+            echo json_encode($errorData);
+        }else{
+            echo 'TODO: static errors';
+        }
+
+        die();
+    }
+
 }