validation for enough money on a balance

plugins/tps/birzha/components/OfferForm.php

@@ -147,6 +147,7 @@ class OfferForm extends ComponentBase
         $user = \Auth::user();
         if($user->balance - Settings::getValue('fee') < 0) {
             // ... message about not enough money
+            throw new ValidationException(['money' => 'Пополните баланс']);
         } else {
             $user->balance = $user->balance - Settings::getValue('fee');
             $user->save();

plugins/tps/birzha/components/offerForm/third_step_form.htm

@@ -2,9 +2,17 @@
     Добавить объявление (Step 3)
 </div>
 
+
+
 <form action="#" class="post_form" enctype="multipart/form-data" 
     data-request="onPublish"
+    data-request-validate
 >
+    <!-- сообщение пополните баланс -->
+    <div class="alert alert-danger" data-validate-error>
+        <p data-message style="color: red;"></p> <br>
+    </div>
+
     <input type="hidden" name="product_id" value="{{product.id}}">