Add support for an additional button and a redirect on success in progress template

aleksis/core/static/js/progress.js

@@ -47,6 +47,10 @@ function customSuccess(progressBarElement, progressBarMessageElement) {
     $("#result-icon").text("check_circle");
     $("#result-text").text(OPTIONS.success);
     $("#result-box").show();
+    const redirect = "redirect_on_success" in OPTIONS;
+    if (redirect) {
+        window.location.href = OPTIONS.redirect_on_success;
+    }
 }
 
 function customError(progressBarElement, progressBarMessageElement) {

aleksis/core/templates/core/pages/progress.html

@@ -30,7 +30,7 @@
           </p>
         </div>
       </noscript>
-    
+
       <div id="messages"></div>
 
       <div id="result-box" style="display: none;">
@@ -46,6 +46,12 @@
           <i class="material-icons left">arrow_back</i>
           {% trans "Go back" %}
         </a>
+        {% if additional_button %}
+          <a class="btn waves-effect waves-light" href="{{ additional_button.href }}">
+            <i class="material-icons left">{{ additional_button.icon|default:"" }}</i>
+            {{ additional_button.caption }}
+          </a>
+        {% endif %}
       </div>
     </div>
   </div>