X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/4b86e623b0ff7a5a53bdb29df06eab039ebe4e1e..2aff714cb52d85d39824728d70b3272bb4fd5064:/src/club/payment_methods.py diff --git a/src/club/payment_methods.py b/src/club/payment_methods.py index 363d4451c..4a596e45b 100644 --- a/src/club/payment_methods.py +++ b/src/club/payment_methods.py @@ -1,53 +1,203 @@ +# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later. +# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information. +# +from hashlib import sha256 +from django.conf import settings from django.urls import reverse +from django.utils.timezone import now +from django.utils.translation import get_language +from paypal.rest import agreement_approval_url +from django.template.loader import render_to_string +from .payu import POSS class PaymentMethod(object): + is_onetime = False is_recurring = False + expiration_reliable = False + cancellable = False + updateable = False - @classmethod - def get_payment_url(cls, schedule): + def initiate(self, request, schedule): return reverse('club_dummy_payment', args=[schedule.key]) class PayU(PaymentMethod): + is_onetime = True + expiration_reliable = True slug = 'payu' name = 'PayU' template_name = 'club/payment/payu.html' - @classmethod - def get_payment_url(cls, schedule): - return reverse('club_dummy_payment', args=[schedule.key]) + def __init__(self, pos_id): + self.pos_id = pos_id + + def invite_widget(self, schedule, request): + return render_to_string( + 'club/payment/payu_invite.html', + { + 'schedule': schedule, + }, + request=request + ) + + def initiate(self, request, schedule): + # Create Order at once. + from .models import PayUOrder + order = PayUOrder.objects.create( + pos_id=self.pos_id, + customer_ip=request.META['REMOTE_ADDR'], + schedule=schedule, + ) + return order.put() class PayURe(PaymentMethod): - slug='payu-re' - name = 'PayU Recurring' + slug = 'payu-re' + name = 'PayU recurring' template_name = 'club/payment/payu-re.html' is_recurring = True + expiration_reliable = True + cancellable = True + updateable = True - @classmethod - def get_payment_url(cls, schedule): - return reverse('club_dummy_payment', args=[schedule.key]) + def __init__(self, pos_id): + self.pos_id = pos_id + + def initiate(self, request, schedule): + return reverse('club_payu_rec_payment', args=[schedule.key]) + + def invite_widget(self, schedule, request): + from . import forms + pos = POSS[self.pos_id] + widget_args = { + 'merchant-pos-id': pos.pos_id, + 'shop-name': "SHOW NAME", + 'total-amount': str(int(schedule.amount * 100)), + 'currency-code': pos.currency_code, + 'customer-language': get_language(), # filter to pos.languages + 'customer-email': schedule.email, + 'store-card': 'true', + 'recurring-payment': 'true', + } + widget_sig = sha256( + ( + "".join(v for (k, v) in sorted(widget_args.items())) + + pos.secondary_key + ).encode('utf-8') + ).hexdigest() + + return render_to_string( + 'payu/rec_widget.html', + { + 'schedule': schedule, + 'form': forms.PayUCardTokenForm(), + 'pos': POSS[self.pos_id], + 'widget_args': widget_args, + 'widget_sig': widget_sig, + }, + request=request + ) + + def pay(self, request, schedule): + # Create order, put it and see what happens next. + from .models import PayUOrder + if request is not None: + ip = request.META['REMOTE_ADDR'] + else: + ip = '127.0.0.1' + + if request is None: + if not self.needs_retry(schedule): + return + + order = PayUOrder.objects.create( + pos_id=self.pos_id, + customer_ip=ip, + schedule=schedule, + ) + return order.put() + + def needs_retry(self, schedule): + retry_last = schedule.payuorder_set.exclude( + created_at=None).order_by('-created_at').first() + if retry_last is None: + return True + n = now().date() + days_since_last = (n - retry_last.created_at.date()).days -class PayPalRe(PaymentMethod): - slug='paypal-re' - name = 'PayPal Recurring' - template_name = 'club/payment/paypal-re.html' + retry_start = max( + schedule.expires_at.date(), + settings.CLUB_RETRIES_START + ) + retry_days = (n - retry_start).days + + if retry_days > settings.CLUB_RETRY_DAYS_MAX: + print('expired') + return False + if retry_days > settings.CLUB_RETRY_DAYS_DAILY: + print('retry less often now') + return days_since_last > settings.CLUB_RETRY_LESS + return days_since_last > 0 + + +class PayPal(PaymentMethod): + slug = 'paypal' + name = 'PayPal' + template_name = 'club/payment/paypal.html' is_recurring = True + is_onetime = False - @classmethod - def get_payment_url(cls, schedule): - return reverse('club_dummy_payment', args=[schedule.key]) + def invite_widget(self, schedule, request): + if settings.PAYPAL_ENABLED: + return render_to_string( + 'club/payment/paypal_invite.html', + { + 'schedule': schedule, + }, + request=request + ) + else: + return '' + + def initiate(self, request, schedule): + app = request.GET.get('app') + return agreement_approval_url(schedule.amount, schedule.key, app=app) + + def pay(self, request, schedule): + from datetime import date, timedelta, datetime, timezone + tomorrow = datetime(*(date.today() + timedelta(2)).timetuple()[:3], tzinfo=timezone.utc) + any_active = False + for ba in schedule.billingagreement_set.all(): + active = ba.check_agreement() + ba.active = active + ba.save() + if active: + any_active = True + if any_active: + schedule.expires_at = tomorrow + schedule.save() + + +methods = [] + +pos = getattr(settings, 'CLUB_PAYU_RECURRING_POS', None) +if pos: + recurring_payment_method = PayURe(pos) + methods.append(recurring_payment_method) +else: + recurring_payment_method = None + +pos = getattr(settings, 'CLUB_PAYU_POS', None) +if pos: + single_payment_method = PayU(pos) + methods.append(single_payment_method) +else: + single_payment_method = None -methods = [ - PayU, - PayURe, - PayPalRe, -] -method_by_slug = { - m.slug: m - for m in methods -} +methods.append( + PayPal() +)