LIL-274. Add PW callback view

apps/payment/views.py

@@ -7,8 +7,9 @@ from django.urls import reverse_lazy
 from paymentwall import Pingback, Product, Widget
 
 from apps.course.models import Course
-from .models import CoursePayment
-# from .models import Purchase
+from apps.school.models import SchoolSchedule
+
+from .models import AuthorBalance, CoursePayment, SchoolPayment
 
 
 class CourseBuyView(TemplateView):
@@ -22,7 +23,7 @@ class CourseBuyView(TemplateView):
             course=course,
         )
         product = Product(
-            f'course_{course.id}',
+            f'course_{course_payment.id}',
             course.price,
             'RUB',
             f'Курс "{course.title}"',
@@ -42,68 +43,50 @@ class CourseBuyView(TemplateView):
         return self.render_to_response(context={'widget': widget.get_html_code()})
 
 
-# @method_decorator(csrf_exempt, name='dispatch')
-# class PaymentwallCallbackView(View):
-
-#     CHARGEBACK = '1'
-#     CREDIT_CARD_FRAUD = '2'
-#     ORDER_FRAUD = '3'
-#     BAD_DATA = '4'
-#     FAKE_PROXY_USER = '5'
-#     REJECTED_BY_ADVERTISER = '6'
-#     DUPLICATED_CONVERSIONS = '7'
-#     GOODWILL_CREDIT_TAKEN_BACK = '8'
-#     CANCELLED_ORDER = '9'
-#     PARTIALLY_REVERSED = '10'
-
-#     def get_request_ip(self):
-#         x_forwarded_for = self.request.META.get('HTTP_X_FORWARDED_FOR')
-#         if x_forwarded_for:
-#             ip = x_forwarded_for.split(',')[0]
-#         else:
-#             ip = self.request.META.get('REMOTE_ADDR')
-#         return ip
-
-#     def get(self, request, *args, **kwargs):
-#         pingback = Pingback(request.GET.copy(), self.get_request_ip())
-
-#         if pingback.validate():
-#             cart_id = pingback.get_product().get_id()
-
-#             # try:
-#             #     cart = CartModel.objects.get(pk=cart_id)
-#             # except CartModel.DoesNotExist:
-#             #     log.error('Paymentwall pingback: Cant find cart, Paymentwall sent this data: {}'.format(request.GET.copy()))
-#             #     return HttpResponse(status=403)
-
-#             try:
-#                 purchase = Purchase.objects.get(transaction_id=pingback.get_reference_id())
-#             except Purchase.DoesNotExist:
-#                 # purchase = cart.create_purchase(transaction_id=pingback.get_reference_id())
-#                 pass
-
-#             if pingback.is_deliverable():
-#                 purchase.status = Purchase.COMPLETE
-
-#             elif pingback.is_cancelable():
-#                 reason = pingback.get_parameter('reason')
-
-#                 if reason == self.CHARGEBACK or reason == self.CREDIT_CARD_FRAUD or reason == self.ORDER_FRAUD or reason == self.PARTIALLY_REVERSED:
-#                     purchase.status = Purchase.CHARGEBACK
-#                 elif reason == self.CANCELLED_ORDER:
-#                     purchase.status = Purchase.REFUNDED
-#                 else:
-#                     purchase.status = Purchase.ERROR
-
-#             elif pingback.is_under_review():
-#                 purchase.status = Purchase.PENDING
-
-#             else:
-#                 # log.error('Paymentwall pingback: Unknown pingback type, Paymentwall sent this data: {}'.format(request.GET.copy()))
-#                 pass
-
-#             # purchase.save()
-#             return HttpResponse('OK', status=200)
-#         else:
-#             # log.error('Paymentwall pingback: Cant validate pingback, error: {} Paymentwall sent this data: {}'.format(pingback.get_error_summary(), request.GET.copy()))
-#             pass
+@method_decorator(csrf_exempt, name='dispatch')
+class PaymentwallCallbackView(View):
+
+    def get_request_ip(self):
+        x_forwarded_for = self.request.META.get('HTTP_X_FORWARDED_FOR')
+        if x_forwarded_for:
+            ip = x_forwarded_for.split(',')[0]
+        else:
+            ip = self.request.META.get('REMOTE_ADDR')
+        return ip
+
+    def get(self, request, *args, **kwargs):
+        payment_raw_data = request.GET.copy()
+        pingback = Pingback(payment_raw_data, self.get_request_ip())
+
+        if pingback.validate():
+            product_type_name, payment_id = pingback.get_product().get_id().split('_')
+
+            if product_type_name == 'course':
+                product_payment_class = CoursePayment
+            elif product_type_name == 'school':
+                product_payment_class = SchoolPayment
+            else:
+                return HttpResponse(status=403)
+
+            try:
+                payment = product_payment_class.objects.get(pk=payment_id)
+            except product_payment_class.DoesNotExist:
+                return HttpResponse(status=403)
+
+            payment.status = pingback.get_type()
+            payment.data = payment_raw_data
+            payment.save()
+
+            author_balance = getattr(payment, 'author_balance', None)
+            if author_balance:
+                if pingback.is_deliverable():
+                    payment.author_balance.status = AuthorBalance.ACCEPTED
+                elif pingback.is_under_review():
+                    payment.author_balance.status = AuthorBalance.PENDING
+                else:
+                    payment.author_balance.status = AuthorBalance.DECLINED
+
+                payment.author_balance.save()
+            return HttpResponse('OK', status=403)
+        else:
+            return

project/urls.py

@@ -29,7 +29,7 @@ from apps.user.views import (
     UserView, UserEditView, NotificationEditView,
     PaymentHistoryView, resend_email_verify,
 )
-from apps.payment.views import CourseBuyView
+from apps.payment.views import CourseBuyView, PaymentwallCallbackView
 
 urlpatterns = [
     path('admin/', admin.site.urls),
@@ -46,6 +46,7 @@ urlpatterns = [
     path('course/<int:course_id>/comment', coursecomment, name='coursecomment'),
     path('lesson/<int:pk>/', LessonView.as_view(), name='lesson'),
     path('lesson/<int:lesson_id>/comment', lessoncomment, name='lessoncomment'),
+    path('payments/ping', PaymentwallCallbackView.as_view(), name='payment-ping'),
     path('payments/success', TemplateView.as_view(template_name='payment/payment_success.html'), name='payment-success'),
     path('payments/error', TemplateView.as_view(template_name='payment/payment_error.html'), name='payment-error'),
     path('search/', SearchView.as_view(), name='search'),