def update_user_topic_fame(topic_id, current_user_id, added_score):
"""
updates the *score* in User_Topic_Fame for the creator of an item that is tagged this topic
"""
utf_current_set = User_Topic_Fame.objects.filter(user__pk=current_user_id, topic__pk=topic_id)
if utf_current_set:
utf_current = utf_current_set[0]
utf_current.score = utf_current.score + added_score
utf_current.save()
else:
utf_current = User_Topic_Fame()
utf_current.topic_id = topic_id
utf_current.user_id = current_user_id
utf_current.score = added_score
utf_current.save()
return "success"
