LIL-74 Added `paymentwall`

apps/payment/admin.py

@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.

apps/payment/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class PaymentConfig(AppConfig):
+    name = 'apps.payment'
+    label = 'lilcity_payment'

apps/payment/migrations/0001_initial.py

@@ -0,0 +1,25 @@
+# Generated by Django 2.0.1 on 2018-01-15 18:12
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Purchase',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('transaction_id', models.PositiveIntegerField()),
+                ('status', models.CharField(max_length=50)),
+                ('product_id', models.PositiveIntegerField()),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+            ],
+        ),
+    ]

apps/payment/models.py

@@ -0,0 +1,15 @@
+from django.db import models
+
+
+class Purchase(models.Model):
+    COMPLETE = 'COMPLETE'
+    CHARGEBACK = 'CHARGEBACK'
+    REFUNDED = 'REFUNDED'
+    ERROR = 'ERROR'
+    PENDING = 'PENDING'
+
+    transaction_id = models.PositiveIntegerField()
+    status = models.CharField(max_length=50)
+    product_id = models.PositiveIntegerField()
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)

apps/payment/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

apps/payment/views.py

@@ -0,0 +1,76 @@
+from django.utils.decorators import method_decorator
+from django.views.generic import View
+from django.views.decorators.csrf import csrf_exempt
+from django.http import HttpResponse
+
+from paymentwall.pingback import Pingback
+
+from .models import Purchase
+
+
+@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
+

project/settings.py

@@ -43,6 +43,7 @@ INSTALLED_APPS = [
     'apps.auth.apps',
     'apps.user',
     'apps.notification',
+    'apps.payment',
 ]
 
 MIDDLEWARE = [

requirements.txt

@@ -1,2 +1,3 @@
 Django==2.0.1
-django-anymail[mailgun]==1.2
+django-anymail[mailgun]==1.2
+paymentwall-python==1.0.7