enable billing cache invalidation

components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/api/user-api.jag

@@ -33,8 +33,13 @@ var util = require("/app/modules/oauth/token-handler-utils.js")["utils"];
 var responseProcessor = require("utils").response;
 
 var result;
+if (uriMatcher.match("/{context}/api/user/clearBilling")) {
 
-if (uriMatcher.match("/{context}/api/user/authenticate")) {
+    carbonUser = session.get(constants.USER_SESSION_KEY);
+    session.put('BILLING_INFO_' + carbonUser.domain, null);
+    log.info("billing info cleared for " + carbonUser.domain);
+
+} else if (uriMatcher.match("/{context}/api/user/authenticate")) {
     var username = request.getParameter("username");
     var password = request.getParameter("password");
     //Check if a username and password is provided

components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.ui.header.cloud.user-menu/public/js/user-menu.js

@@ -16,6 +16,33 @@
  * under the License.
  */
 $(document).ready(function () {
+
+    $("#expire-upgrade-now-link").click(function() {
+        $.get("api/user/clearBilling", function(data, status){
+        });
+        window.location.href = $("#expire-upgrade-now-link").data("url");
+    });
+
+    $("#expire-req-ext-link").click(function() {
+        $.get("api/user/clearBilling", function(data, status){
+        });
+        window.location.href = $("#expire-req-ext-link").data("url");
+    });
+
+    $(".expire-upgrade-now-link").parent().click(function(e) {
+        e.preventDefault();
+        $.get("api/user/clearBilling", function(data, status){
+        });
+        window.location.href = $(this).attr("href");
+    });
+
+    $(".expire-req-ext-link").parent().click(function(e) {
+        e.preventDefault();
+        $.get("api/user/clearBilling", function(data, status){
+        });
+        window.location.href = $(this).attr("href");
+    });
+
     $('#cloud-menu-popover i.fw-tiles').popover({
         html: true,
         trigger: 'click',

components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.ui.header.cloud.user-menu/user-menu.hbs

@@ -171,10 +171,10 @@
         </div>
         <div class="modal-footer">
             <div class="buttons">
-                <a href="{{Main.Account.dropDown.[Upgrade Now].url}}" id="expire-upgrade-now-link" class="btn-operations">
+                <a data-url="{{Main.Account.dropDown.[Upgrade Now].url}}" id="expire-upgrade-now-link" class="btn-operations">
                     Upgrade Now
                 </a>
-                <a href="{{Main.Account.dropDown.[Request Extension].url}}" id="expire-req-ext-link" class="btn-operations">
+                <a data-url="{{Main.Account.dropDown.[Request Extension].url}}" id="expire-req-ext-link" class="btn-operations">
                     Request Extension
                 </a>
             </div>