1 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
2 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
4 from decimal import Decimal
6 from django.contrib.auth.decorators import login_required
7 from django.http import Http404
8 from django.http.response import HttpResponseRedirect, HttpResponseForbidden
9 from django.shortcuts import render
11 from api.utils import HttpResponseAppRedirect
12 from paypal.forms import PaypalSubscriptionForm
13 from paypal.rest import execute_agreement, check_agreement, agreement_approval_url, PaypalError
14 from paypal.models import BillingAgreement, BillingPlan
17 def paypal_form(request, app=False):
19 if not request.user.is_authenticated:
20 return HttpResponseForbidden()
21 form = PaypalSubscriptionForm(data=request.POST)
23 amount = form.cleaned_data['amount']
25 approval_url = agreement_approval_url(amount, app=app)
26 except PaypalError as e:
27 return render(request, 'paypal/error_page.html', {'error': str(e)})
28 return HttpResponseRedirect(approval_url)
30 form = PaypalSubscriptionForm()
31 return render(request, 'paypal/form.html', {'form': form})
35 def paypal_return(request, app=False):
36 token = request.GET.get('token')
39 if not BillingAgreement.objects.filter(token=token):
40 resource = execute_agreement(token)
42 amount = int(Decimal(resource.plan.payment_definitions[0].amount['value']))
43 plan = BillingPlan.objects.get(amount=amount)
44 active = check_agreement(resource.id) or False
45 BillingAgreement.objects.create(
46 agreement_id=resource.id, user=request.user, plan=plan, active=active, token=token)
50 if getattr(resource, 'error', None):
51 return HttpResponseAppRedirect('wolnelekturyapp://paypal_error')
53 return HttpResponseAppRedirect('wolnelekturyapp://paypal_return')
55 return render(request, 'paypal/return.html', {'resource': resource})
58 def paypal_cancel(request):
59 return render(request, 'paypal/cancel.html', {})