src/newsletter/admin.py

   1 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
   2 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
   3 #
   4 from django.urls import path
   5 from django.contrib import admin
   6 from django.http.response import HttpResponse
   7 from django.views.decorators.cache import never_cache
   8
   9 from newsletter.models import Subscription
  10
  11
  12 class SubscriptionAdmin(admin.ModelAdmin):
  13     list_display = ('email', 'active')
  14     list_filter = ('active',)
  15
  16     def get_urls(self):
  17         urls = super(SubscriptionAdmin, self).get_urls()
  18         my_urls = [
  19             path('extract/', self.extract_subscribers, name='extract_subscribers'),
  20         ]
  21         return my_urls + urls
  22
  23     @never_cache
  24     def extract_subscribers(self, request):
  25         active_subscriptions = Subscription.objects.filter(active=True)
  26         return HttpResponse('\n'.join(active_subscriptions.values_list('email', flat=True)),
  27                             content_type='text/plain')
  28
  29
  30 admin.site.register(Subscription, SubscriptionAdmin)