def counters_unseen_summarize(user):
"""
Summarize items that user does not seen. These uses in mobile app icon
Counted data:
- unseen post likes
- unseen new friends
- unseen post post comments
- unseen messages
:return: sum of unseen items for specific user
"""
from friends.models import Friend
from news.models import Like, Comment
from user_messages.models import Dialog
likes = Like.get_count_unseen(user)
comments = Comment.get_count_unseen(user)
new_friends = Friend.get_count_unseen(user)
messages = Dialog.get_count_unread_messages(user)
return sum([likes, comments, new_friends, messages])
