Add button to generate invoices

aleksis/apps/paweljong/templates/paweljong/event_registration/full.html

@@ -13,6 +13,7 @@
   {% has_perm 'paweljong.manage_registration' user registration as can_manage_registration %}
   {% has_perm 'paweljong.delete_registration' user registration as can_delete_registration %}
   {% has_perm 'paweljong.send_notification_mail' user registration as can_send_notification %}
+  {% has_perm 'tezor.can_print_invoice' user registration as can_print_invoice %}
 
   {% if can_manage_registration or can_manage_registration_preferences or can_delete_registration or can_send_notification %}
     <p>
@@ -37,6 +38,13 @@
         </a>
       {% endif %}
 
+      {% if can_print_invoice %}
+        <a href="{% url 'get_invoice_by_pk' registration.get_invoice.pk %}" class="btn waves-effect waves-light">
+          <i class="material-icons left">attach_money</i>
+          {% trans "Invoice" %}
+        </a>
+      {% endif %}
+
     </p>
   {% endif %}