fix edit call (changelog)

pandora/item/models.py

@@ -228,6 +228,7 @@ class Item(models.Model):
         return False
 
     def edit(self, data):
+        data = data.copy()
         #FIXME: how to map the keys to the right place to write them to?
         if 'id' in data:
             #FIXME: check if id is valid and exists and move/merge items accordingly

pandora/item/views.py

@@ -545,13 +545,13 @@ def edit(request, data):
                 user_groups = set([g.name for g in request.user.groups.all()])
                 other_groups = list(groups - user_groups)
                 data['groups'] = [g for g in data['groups'] if g in user_groups] + other_groups
+        add_changelog(request, data)
         r = item.edit(data)
         if r:
             r.wait()
         if update_clips:
             tasks.update_clips.delay(item.public_id)
         response['data'] = item.get_json()
-        add_changelog(request, data)
     else:
         response = json_response(status=403, text='permission denied')
     return render_to_json_response(response)