# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4

from celery.task import periodic_task
from celery.schedules import crontab
from django.db import transaction

import itemlist.models
import item.models

@periodic_task(run_every=crontab(hour=6, minute=0), queue='encoding')
def cron(**kwargs):
    update_double_imdb()


def update_double_imdb():
    l = itemlist.models.List.get(name='Double IMDb', user__username='j')
    for i in item.models.Item.objects.filter(data__contains='imdbId').exclude(id__in=l.items.all()):
        if item.models.Item.objects.exclude(id=i.id).filter(sort__imdbId=i.sort.imdbId).exists():
            l.add(i)

    for i in l.items.all():
        if not i.get('imdbId') or \
            item.models.Item.objects.filter(sort__imdbId=i.sort.imdbId).count() == 1:
            l.remove(i)

    transaction.commit_unless_managed()