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# corbo - Announces Manager
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# Copyright (C) 2016 Entr'ouvert
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Affero General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import json
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from collections import defaultdict
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from django.core.exceptions import PermissionDenied
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from django.db.models import Q
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from django.db import transaction
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from rest_framework.views import APIView
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from rest_framework.response import Response
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from .models import Category, Subscription, channel_choices
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class NewslettersView(APIView):
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def get(self, request):
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newsletters = []
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transports = [{'id': identifier, 'text': name} for identifier, name in channel_choices]
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for c in Category.objects.all():
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newsletter = {'id': str(c.pk), 'text': c.name,
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'transports': transports}
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newsletters.append(newsletter)
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return Response({'data': newsletters})
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class SubscriptionsView(APIView):
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def get_subscriptions(self, email, uuid=None):
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subscriptions = defaultdict(dict)
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identifier = 'mailto:'+email
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for s in Subscription.objects.filter(Q(identifier=identifier)|Q(uuid=uuid)):
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cat_id = s.category.pk
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subscriptions[cat_id]['id'] = str(cat_id)
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subscriptions[cat_id]['text'] = s.category.name
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transport_id, transport_name = identifier.split(':')
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transport = {'id': transport_id,
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'text': transport_id}
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if 'transports' in subscriptions[cat_id]:
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subscriptions[cat_id]['transports'].append(transport)
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else:
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subscriptions[cat_id]['transports'] = [transport]
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return subscriptions.values()
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@transaction.atomic
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def update_subscriptions(self, category_id, transports, email, uuid=None):
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uuid = uuid or u''
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identifier = u'mailto:'
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if email:
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identifier += email
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try:
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cat = Category.objects.get(pk=category_id)
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except Category.DoesNotExist:
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return
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subcriptions = cat.subscription_set
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if email:
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if 'mailto' in transports:
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subcriptions.get_or_create(identifier=identifier, uuid=uuid)
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if uuid:
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subcriptions.exclude(uuid=uuid).filter(identifier=identifier).delete()
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else:
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subcriptions.filter(identifier=identifier).delete()
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if uuid:
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if 'homepage' in transports:
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subcriptions.get_or_create(uuid=uuid)
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else:
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subcriptions.filter(identifier='', uuid=uuid).delete()
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def get(self, request):
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email = request.GET.get('email')
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uuid = request.GET.get('uuid')
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if not email:
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raise PermissionDenied('Email parameter required')
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return Response({'data': self.get_subscriptions(email, uuid)})
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def post(self, request):
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email = request.GET.get('email')
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uuid = request.GET.get('uuid')
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if not email:
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raise PermissionDenied('Email parameter required')
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data = json.loads(request.body)
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for subscription in data:
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self.update_subscriptions(subscription['id'], subscription['transports'],
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email, uuid)
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return Response({'data': True})
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def delete(self, request):
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email = request.GET.get('email')
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uuid = request.GET.get('uuid')
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if not email:
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raise PermissionDenied('Email parameter required')
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for subscription in self.get_subscriptions(email):
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self.update_subscriptions(subscription['id'], [], email, uuid)
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return Response({'data': True})
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