nk20/apps/wei/management/commands/extract_ml_registrations.py

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2020-04-22 15:53:42 +00:00
# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
# SPDX-License-Identifier: GPL-3.0-or-later
from django.core.management import BaseCommand
from django.db.models import Q
from ...models import WEIClub
class Command(BaseCommand):
help = "Get mailing list registrations from the last wei. " \
"Usage: manage.py extract_ml_registrations -t {events,art,sport}. " \
"You can write this into a file with a pipe, then paste the document into your mail manager."
def add_arguments(self, parser):
parser.add_argument('--type', '-t', choices=["events", "art", "sport"], default="events",
help='Select the type of the mailing list (default events)')
parser.add_argument('--year', '-y', type=int, default=None,
help='Select the year of the concerned WEI. Default: last year')
def handle(self, *args, **options):
if options["year"] is None:
wei = WEIClub.objects.order_by('-year').first()
else:
wei = WEIClub.objects.filter(year=options["year"])
if wei.exists():
wei = wei.get()
else:
wei = WEIClub.objects.order_by('-year').first()
self.stderr.write(self.style.WARNING("Warning: there was no WEI in year " + str(options["year"]) + ". "
+ "Assuming the last WEI (year " + str(wei.year) + ")"))
q = Q(ml_events_registration=True) if options["type"] == "events" else Q(ml_art_registration=True)\
if options["type"] == "art" else Q(ml_sport_registration=True)
registrations = wei.users.filter(q)
for registration in registrations.all():
self.stdout.write(registration.user.email)