Create management portal in Flutter #39

web/repertory/lib/helpers.dart

@@ -142,16 +142,17 @@ bool validateSettings(
   String? rootKey,
 }) {
   settings.forEach((key, value) {
+    final checkKey = rootKey == null ? key : '$rootKey.$key';
     if (value is Map) {
       validateSettings(
         value as Map<String, dynamic>,
         failed,
-        rootKey: rootKey == null ? key : '$rootKey.$key',
+        rootKey: checkKey,
       );
     } else {
-      for (var validator in getSettingValidators(key)) {
+      for (var validator in getSettingValidators(checkKey)) {
         if (!validator(value.toString())) {
-          failed.add(rootKey == null ? key : '$rootKey.$key');
+          failed.add(checkKey);
         }
       }
     }

web/repertory/lib/screens/add_mount_screen.dart

@@ -127,6 +127,11 @@ class _AddMountScreenState extends State<AddMountScreen> {
                 onPressed: () {
                   List<String> failed = [];
                   if (!validateSettings(_settings[_mountType]!, failed)) {
+                    for (var key in failed) {
+                      ScaffoldMessenger.of(context).showSnackBar(
+                        SnackBar(content: Text("'$key' is not valid")),
+                      );
+                    }
                     return;
                   }