Refactor the script to extract the mails that are registered to an events mailing list

apps/wei/management/commands/extract_ml_registrations.py

@@ -1,59 +0,0 @@
-# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
-# SPDX-License-Identifier: GPL-3.0-or-later
-
-from datetime import date
-
-from django.core.management import BaseCommand
-from django.db.models import Q
-from member.models import Membership, Club
-from wei.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=["members", "clubs", "events", "art", "sport"], default="members",
-                            help='Select the type of the mailing list (default members)')
-        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):
-        ###########################################################
-        #                         WARNING                         #
-        ###########################################################
-        #
-        # This code is obsolete.
-        # TODO: Improve the mailing list extraction system, and link it automatically with Mailman.
-
-        if options["type"] == "members":
-            for membership in Membership.objects.filter(
-                club__name="BDE",
-                date_start__lte=date.today(),
-                date_end__gte=date.today(),
-            ).all():
-                self.stdout.write(membership.user.email)
-            return
-
-        if options["type"] == "clubs":
-            for club in Club.objects.all():
-                self.stdout.write(club.email)
-            return
-
-        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)