models.py 文件源码

def get_friendships(user, limit=50, offset=0, latest=False, online_only=False):
        if not limit:
            return Friendship.objects.filter(Q(source=user) | Q(target=user)).order_by('-created')
        if latest:
            if online_only:
                delta = timezone.now() - timedelta(seconds=48)
                awman = []
                for friend in Friendship.objects.filter(Q(source=user) | Q(target=user)).order_by('-latest')[offset:offset + limit]:
                    if friend.other(user).last_login > delta:
                        awman.append(friend)
                return awman
# Fix all of this at some point
#               return Friendship.objects.filter(
#source=When(source__ne=user, source__last_login__gt=delta),
#target=When(target__ne=user, target__last_login__gt=delta)
#).order_by('-latest')[offset:offset + limit]
            else:
                return Friendship.objects.filter(Q(source=user) | Q(target=user)).order_by('-latest')[offset:offset + limit]
        else:
            return Friendship.objects.filter(Q(source=user) | Q(target=user)).order_by('-created')[offset:offset + limit]