Show vat error in payment page

datacenterlight/templates/datacenterlight/landing_payment.html

@@ -13,6 +13,15 @@
 <!-- Credit card form -->
 <div class="dcl-order-container">
     <div class="payment-container">
+        <div id='payment_error'>
+        {% for message in messages %}
+            {% if 'vat_error' in message.tags %}
+                <ul class="list-unstyled">
+                    <li><p class="card-warning-content card-warning-error">An error occurred while validating VAT number: {{ message|safe }}</p></li>
+                </ul>
+            {% endif %}
+        {% endfor %}
+        </div>
         <div class="dcl-payment-grid">
             <div class="dcl-payment-box">
                 <div class="dcl-payment-section">

datacenterlight/views.py

@@ -548,7 +548,13 @@ class PaymentOrderView(FormView):
             )
 
             if 'response_object' in validate_result:
-                raise forms.ValidationError(validate_result["error"])
+                messages.add_message(
+                    request, messages.ERROR, validate_result["error"],
+                    extra_tags='vat_error'
+                )
+                return HttpResponseRedirect(
+                    reverse('datacenterlight:payment') + '#vat_error'
+                )
 
             request.session["vat_validation_status"] = validate_result["status"]
             request.session["vat_validated_on"] = validate_result["validated_on"]