Fix for expired tokens.

[wolnelektury.git] / src / club / payment_methods.py

diff --git a/src/club/payment_methods.py b/src/club/payment_methods.py
index 363d445..e74ae83 100644 (file)
--- a/src/club/payment_methods.py
+++ b/src/club/payment_methods.py
@@ -1,53 +1,147 @@
+# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
+from django.conf import settings
 from django.urls import reverse
+from django.utils.timezone import now
+from paypal.rest import agreement_approval_url
 
 
 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 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 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
 
+        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 PayPalRe(PaymentMethod):
-    slug='paypal-re'
-    name = 'PayPal Recurring'
-    template_name = 'club/payment/paypal-re.html'
+
+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 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
+        from pytz import utc
+        tomorrow = datetime(*(date.today() + timedelta(2)).timetuple()[:3], tzinfo=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()
+)