Expose additional activity data for preview

Author: underscope

server/activity/activity.controller.js

@@ -65,7 +65,11 @@ function clone({ activity, body }, res) {
 function getPreviewUrl({ course, activity }, res) {
   return fetchActivityContent(course, activity, true)
     .then(content => {
-      const body = { uid: activity.uid, ...content };
+      const body = {
+        ...pick(activity, ['id', 'uid', 'type']),
+        meta: activity.data,
+        ...content
+      };
       return request.post(previewUrl, body);
     })
     .then(({ data: { url } }) => {