reduce complexity of user driver license

includes/controller/user_driver_licenses_controller.php

@@ -88,7 +88,7 @@ function user_driver_license_edit_controller() {
   $user_driver_license = UserDriverLicense($user_source['UID']);
   if ($user_driver_license == null) {
     $wants_to_drive = false;
-    $user_driver_license = UserDriverLicense_new($user_source);
+    $user_driver_license = UserDriverLicense_new();
   } else {
     $wants_to_drive = true;
   }
@@ -105,8 +105,8 @@ function user_driver_license_edit_controller() {
       $user_driver_license['has_license_forklift'] = isset($_REQUEST['has_license_forklift']);
       
       if (UserDriverLicense_valid($user_driver_license)) {
-        if ($user_driver_license == null) {
+        if ($user_driver_license['user_id'] == null) {
-          UserDriverLicenses_create($user_driver_license);
+          $user_driver_license = UserDriverLicenses_create($user_driver_license, $user);
         } else {
           UserDriverLicenses_update($user_driver_license);
         }

includes/model/UserDriverLicenses_model.php

@@ -4,9 +4,9 @@
  * Returns a new empty UserDriverLicense
  * FIXME entity object needed
  */
-function UserDriverLicense_new($user) {
+function UserDriverLicense_new() {
   return [
-      'user_id' => $user['UID'],
+      'user_id' => null,
       'has_car' => false,
       'has_license_car' => false,
       'has_license_3_5t_transporter' => false,
@@ -51,7 +51,8 @@ function UserDriverLicense($user_id) {
  * @param UserDriverLicense $user_driver_license
  *          The UserDriverLicense to create
  */
-function UserDriverLicenses_create($user_driver_license) {
+function UserDriverLicenses_create($user_driver_license, $user) {
+  $user_driver_license['user_id'] = $user['UID'];
   $result = sql_query("
       INSERT INTO `UserDriverLicenses` SET
       `user_id`=" . sql_escape($user_driver_license['user_id']) . ",
@@ -64,7 +65,7 @@ function UserDriverLicenses_create($user_driver_license) {
   if ($result === false) {
     engelsystem_error('Unable to create user driver license');
   }
-  return $result;
+  return $user_driver_license;
 }
 
 /**