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# Copyright (C) 2017 Alban Gruin
#
# celcatsanitizer is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# celcatsanitizer is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with celcatsanitizer; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
from django.conf import settings
from django.core.management.base import BaseCommand, CommandError
from django.core.mail import send_mass_mail
from django.db.models import Count
from django.utils import timezone, translation
from django.template import Context, loader
from edt.models import Group, Subscription, Course
from edt.utils import get_current_or_next_week, get_week, group_courses
import datetime
def __generate_mails(start, end):
subscribed_groups = Subscription.objects.filter(active=True).annotate(nb=Count("group"))
for subscription in subscribed_groups:
courses = Course.objects.get_courses_for_group(subscription.group, begin__gte=start, begin__lt=end)
if len(courses) > 0:
grouped_courses = group_courses(courses)
template = loader.get_template("mail/mail_timetable.txt")
context = Context({"subscription": subscription, "courses": grouped_couses, "week": week})
yield subscription.group, template.render(context)
class Command(BaseCommand):
help = "Sends emails to subscribed users"
def handle(self, *args, **options):
translation.activate(settings.LANGUAGE_CODE)
year, week = get_current_or_next_week()
start, end = get_week(year, week)
footer = loader.get_template("mail/mail_footer.txt")
mails = []
print("Generating messages...")
for group, content in __generate_mails(start, end):
subscriptions = Subscription.objects.filter(active=True, group=group)
title = "{0} - {1} - Semaine {2}".format(subscription.group.timetable.name, subscription.group.name, week)
for subscription in subscriptions:
context = Context({"admins": settings.ADMINS, "token": subscription.token, "domain": settings.DEFAULT_DOMAIN})
mail_content = content + footer.render(context)
mails.append((title, mail_content, settings.DEFAULT_FROM_EMAIL, [subscription.email],))
print("Sending mails...")
send_mass_mail(mails)
self.stdout.write(self.style.SUCCESS("Done."))
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