NewsBlur-viq/apps/reader/tasks.py

import datetime
from newsblur_web.celeryapp import app
from utils import log as logging
from django.contrib.auth.models import User
from django.conf import settings
from apps.reader.models import UserSubscription
from apps.social.models import MSocialSubscription

@app.task(name='freshen-homepage')
def FreshenHomepage():
    day_ago = datetime.datetime.utcnow() - datetime.timedelta(days=1)
    user = User.objects.get(username=settings.HOMEPAGE_USERNAME)
    user.profile.last_seen_on = datetime.datetime.utcnow()
    user.profile.save()
    
    usersubs = UserSubscription.objects.filter(user=user)
    logging.debug(" ---> %s has %s feeds, freshening..." % (user.username, usersubs.count()))
    for sub in usersubs:
        sub.mark_read_date = day_ago
        sub.needs_unread_recalc = True
        sub.save()
        sub.calculate_feed_scores(silent=True)
        
    socialsubs = MSocialSubscription.objects.filter(user_id=user.pk)
    logging.debug(" ---> %s has %s socialsubs, freshening..." % (user.username, socialsubs.count()))
    for sub in socialsubs:
        sub.mark_read_date = day_ago
        sub.needs_unread_recalc = True
        sub.save()
        sub.calculate_feed_scores(silent=True)

@app.task(name='clean-analytics', time_limit=720*10)
def CleanAnalytics():
    logging.debug(" ---> Cleaning analytics... %s feed fetches" % (
        settings.MONGOANALYTICSDB.nbanalytics.feed_fetches.count(),
    ))
    day_ago = datetime.datetime.utcnow() - datetime.timedelta(days=1)
    settings.MONGOANALYTICSDB.nbanalytics.feed_fetches.delete_many({
        "date": {"$lt": day_ago},
    })