regluit/core/tasks.py

219 lines
7.4 KiB
Python

"""
external library imports
"""
import logging
from celery.task import task
from datetime import timedelta
from time import sleep
"""
django imports
"""
from django.conf import settings
from django.contrib.auth.models import User
from django.core.mail import send_mail
from django.utils.timezone import now
from notification.engine import send_all
from notification import models as notification
from mailchimp3 import MailChimp
from mailchimp3.mailchimpclient import MailChimpError
"""
regluit imports
"""
from regluit.core import (
bookloader,
models,
goodreads,
librarything,
mobigen
)
from regluit.core.models import Campaign, Acq, Gift
from regluit.core.signals import deadline_impending
from regluit.core.parameters import RESERVE, REWARDS, THANKS
from regluit.utils.localdatetime import date_today
logger = logging.getLogger(__name__)
mc_client = MailChimp(mc_api=settings.MAILCHIMP_API_KEY)
@task
def populate_edition(isbn):
"""given an edition this task will populate the database with additional
information about related editions and subjects related to this edition
"""
bookloader.add_related(isbn)
edition=models.Edition.get_by_isbn(isbn)
if edition:
bookloader.add_openlibrary(edition.work)
return edition
@task
def load_goodreads_shelf_into_wishlist(user_id, shelf_name='all', goodreads_user_id=None, max_books=None,
expected_number_of_books=None):
user=User.objects.get(id=user_id)
return goodreads.load_goodreads_shelf_into_wishlist(user,shelf_name,goodreads_user_id,max_books, expected_number_of_books)
@task
def load_librarything_into_wishlist(user_id, lt_username, max_books=None):
user=User.objects.get(id=user_id)
return librarything.load_librarything_into_wishlist(user, lt_username, max_books)
@task
def fac(n, sleep_interval=None):
# used to test celery task execution
if not(isinstance(n,int) and n >= 0):
raise Exception("You can't calculate a factorial of %s " % (str(n)))
if n <= 1:
return 1
else:
res = 1
for i in xrange(2,n+1):
res = res*i
fac.update_state(state="PROGRESS", meta={"current": i, "total": n})
if sleep_interval is not None:
sleep(sleep_interval)
return res
@task
def send_mail_task(subject, message, from_email, recipient_list,
fail_silently=False, auth_user=None, auth_password=None,
connection=None, override_from_email=True):
"""a task to drop django.core.mail.send_mail into """
# NOTE: since we are currently using Amazon SES, which allows email to be sent only from validated email
# addresses, we force from_email to be one of the validated address unless override_from_email is FALSE
try:
if override_from_email:
try:
from_email = settings.DEFAULT_FROM_EMAIL
except:
pass
r= send_mail(subject, message, from_email, recipient_list, fail_silently=False, auth_user=auth_user,
auth_password=auth_password, connection=connection)
except:
r=logger.info('failed to send message:' + message)
return r
#task to update the status of active campaigns
@task
def update_active_campaign_status():
"""update the status of all active campaigns -- presumed to be run at midnight Eastern time"""
return [c.update_status(send_notice=True, ignore_deadline_for_success=True, process_transactions=True) for c in Campaign.objects.filter(status='Active') ]
@task
def emit_notifications():
logger.info('notifications emitting' )
return send_all()
@task
def report_new_ebooks(created=None): #created= creation date
if created:
period = (created, created+timedelta(days=1))
else:
period = (date_today()-timedelta(days=1), date_today())
works = models.Work.objects.filter(editions__ebooks__created__range=period).distinct()
for work in works:
# only notify if a new ebooks are active, don't notify person if the book was just wished
# ebooks() only returns active ebooks
for ebook in work.ebooks().filter(created__range=period):
notification.send_now(
work.wished_by(excluding=period),
"wishlist_unglued_book_released",
{'work':work},
True
)
break
@task
def notify_ending_soon():
c_active = Campaign.objects.filter(status='Active', type=REWARDS)
for c in c_active:
if c.deadline - now() < timedelta(7) and c.deadline - now() >= timedelta(6):
"""
if the campaign is still active and there's only a week left until it closes, send reminder notification
"""
deadline_impending.send(sender=None, campaign=c)
@task
def watermark_acq(acq):
acq.get_watermarked()
@task
def process_ebfs(campaign):
if campaign.type == THANKS:
if campaign.use_add_ask:
campaign.add_ask_to_ebfs()
else:
campaign.revert_asks()
campaign.make_mobis()
@task
def make_mobi(ebookfile):
return ebookfile.make_mobi()
@task
def refresh_acqs():
in_10_min = now() + timedelta(minutes=10)
acqs = Acq.objects.filter(refreshed=False, refreshes__lt=in_10_min)
logger.info('refreshing %s acqs' % acqs.count())
for acq in acqs:
for hold in acq.holds:
# create a 1 day reserve on the acq
reserve_acq = Acq.objects.create(
user = hold.user,
work = hold.work,
license = RESERVE,
lib_acq = acq,
)
# the post_save handler takes care of pushing expires vis acq.expires_in
# notify the user with the hold
if 'example.org' not in reserve_acq.user.email:
notification.send_now([reserve_acq.user], "library_reserve", {'acq':reserve_acq})
# delete the hold
hold.delete()
break
else:
acq.refreshed = True
@task
def convert_to_mobi(input_url, input_format="application/epub+zip"):
return mobigen.convert_to_mobi(input_url, input_format)
@task
def generate_mobi_ebook_for_edition(edition):
return mobigen.generate_mobi_ebook_for_edition(edition)
@task
def ml_subscribe_task(profile, **kwargs):
try:
if not profile.on_ml:
data = {"email_address": profile.user.email, "status_if_new": "pending"}
mc_client.lists.members.create_or_update(
list_id=settings.MAILCHIMP_NEWS_ID,
subscriber_hash=profile.user.email,
data=data,
)
return True
except Exception, e:
logger.error("error subscribing to mailchimp list %s" % (e))
return False
@task
def notify_unclaimed_gifts():
unclaimed = Gift.objects.filter(used=None)
for gift in unclaimed:
"""
send notice every 7 days, but stop at 10x
"""
unclaimed_duration = (now() - gift.acq.created ).days
if unclaimed_duration > 70:
return
if unclaimed_duration > 0 and unclaimed_duration % 7 == 0 : # first notice in 7 days
notification.send_now([gift.acq.user], "purchase_gift_waiting", {'gift':gift}, True)
notification.send_now([gift.giver], "purchase_notgot_gift", {'gift':gift}, True)