fix: Disable mobile payment refunds from ecommerce

ecommerce/extensions/dashboard/orders/tests.py

@@ -1,5 +1,5 @@
 
-
+import json
 import os
 from unittest import SkipTest, skipIf
 
@@ -16,6 +16,8 @@
 from ecommerce.extensions.dashboard.tests import DashboardViewTestMixin
 from ecommerce.extensions.fulfillment.signals import SHIPPING_EVENT_NAME
 from ecommerce.extensions.fulfillment.status import LINE, ORDER
+from ecommerce.extensions.iap.constants import MOBILE_PAYMENT_PROCESSORS
+from ecommerce.extensions.payment.models import PaymentProcessorResponse
 from ecommerce.extensions.refund.tests.mixins import RefundTestMixin
 from ecommerce.extensions.test.factories import create_order
 from ecommerce.tests.factories import UserFactory
@@ -240,6 +242,24 @@ def test_create_refund_error(self):
                                    'A refund cannot be created for these lines. They may have already been refunded.',
                                    MSG.ERROR)
 
+    def test_mobile_refund_error(self):
+        """Verify the view creates a Refund for the Order and selected Lines."""
+        # Create Order and Lines
+        order = self.create_order(user=self.user)
+        PaymentProcessorResponse.objects.create(basket=order.basket,
+                                                transaction_id="test-transaction",
+                                                processor_name=MOBILE_PAYMENT_PROCESSORS[0],
+                                                response=json.dumps({'state': 'approved'}))
+
+        self.assertFalse(order.refunds.exists())
+        # Validate the Refund
+        response = self._request_refund(order)
+        self.assertFalse(order.refunds.exists())
+
+        self.assert_message_equals(response,
+                                   "Mobile payment refunds aren't allowed in ecommerce.",
+                                   MSG.ERROR)
+
 
 class OrderDetailViewBrowserTests(OrderViewTestsMixin, RefundTestMixin, OrderViewBrowserTestBase):
 

ecommerce/extensions/dashboard/orders/views.py

@@ -9,6 +9,7 @@
 from oscar.core.loading import get_model
 
 from ecommerce.extensions.dashboard.views import FilterFieldsMixin
+from ecommerce.extensions.iap.constants import MOBILE_PAYMENT_PROCESSORS
 
 Order = get_model('order', 'Order')
 Partner = get_model('partner', 'Partner')
@@ -62,20 +63,30 @@ class OrderDetailView(CoreOrderDetailView):
     line_actions = ('change_line_statuses', 'create_shipping_event', 'create_payment_event', 'create_refund')
 
     def create_refund(self, request, order, lines, _quantities):  # pylint: disable=unused-argument
-        refund = Refund.create_with_lines(order, lines)
-
-        if refund:
-            data = {
-                'link_start': '<a href="{}" target="_blank">'.format(
-                    reverse('dashboard:refunds-detail', kwargs={'pk': refund.pk})),
-                'link_end': '</a>',
-                'refund_id': refund.pk
-            }
-            message = _('{link_start}Refund #{refund_id}{link_end} created! '
-                        'Click {link_start}here{link_end} to view it.').format(**data)
-            messages.success(request, mark_safe(message))
-        else:
-            message = _('A refund cannot be created for these lines. They may have already been refunded.')
+        if self._is_order_from_mobile(order):
+            message = _("Mobile payment refunds aren't allowed in ecommerce.")
             messages.error(request, message)
 
+        else:
+            refund = Refund.create_with_lines(order, lines)
+
+            if refund:
+                data = {
+                    'link_start': '<a href="{}" target="_blank">'.format(
+                        reverse('dashboard:refunds-detail', kwargs={'pk': refund.pk})),
+                    'link_end': '</a>',
+                    'refund_id': refund.pk
+                }
+                message = _('{link_start}Refund #{refund_id}{link_end} created! '
+                            'Click {link_start}here{link_end} to view it.').format(**data)
+                messages.success(request, mark_safe(message))
+            else:
+                message = _('A refund cannot be created for these lines. They may have already been refunded.')
+                messages.error(request, message)
+
         return self.reload_page()
+
+    def _is_order_from_mobile(self, order):
+        processor_responses = order.basket.paymentprocessorresponse_set.all()
+        return any(response.processor_name in MOBILE_PAYMENT_PROCESSORS
+                   for response in processor_responses)

ecommerce/extensions/iap/constants.py

@@ -1,3 +1,4 @@
+MOBILE_PAYMENT_PROCESSORS = ['android-iap', 'ios-iap']
 ANDROID_SKU_PREFIX = 'android'
 IOS_SKU_PREFIX = 'ios'
 MISSING_WEB_SEAT_ERROR = "Couldn't find existing web seat for course [%s]"