apply sorting in sales

Author: sachinchauhan2889

app/controllers/admin/sales/index.js

@@ -6,7 +6,7 @@ import EmberTableControllerMixin from 'open-event-frontend/mixins/ember-table-co
 export default class IndexController extends Controller.extend(AdminSalesMixin, EmberTableControllerMixin) {
 
 @or('authManager.currentUser.isSuperAdmin', 'authManager.currentUser.isAdmin') hasRestorePrivileges;
-sort_by = 'starts-at';
+sort_by = 'rough-sales';
 sort_dir = 'DSC';
 get columns() {
   return [

app/models/admin-sales-by-event.js

@@ -8,6 +8,7 @@ export default ModelBase.extend({
   endsAt          : attr('moment'),
   startsAt        : attr('moment'),
   paymentCurrency : attr('string'),
+  roughSales      : attr('number'),
   sales           : attr(),
   ownerId         : attr()
 });