add handling of CyberSource non-ACCEPT decisions

lms/djangoapps/shoppingcart/processors/exceptions.py

@@ -3,6 +3,9 @@ from shoppingcart.exceptions import PaymentException
 class CCProcessorException(PaymentException):
     pass
 
+class CCProcessorSignatureException(CCProcessorException):
+    pass
+
 class CCProcessorDataException(CCProcessorException):
     pass
 

lms/djangoapps/shoppingcart/views.py

@@ -86,8 +86,8 @@ def postpay_callback(request):
     if result['success']:
         return HttpResponseRedirect(reverse('shoppingcart.views.show_receipt', args=[result['order'].id]))
     else:
-        return render_to_response('shoppingcart.processor_error.html', {'order':result['order'],
-                                                                        'error_html': result['error_html']})
+        return render_to_response('shoppingcart/error.html', {'order':result['order'],
+                                                              'error_html': result['error_html']})
 
 @login_required
 def show_receipt(request, ordernum):

lms/templates/shoppingcart/error.html

+<%! from django.utils.translation import ugettext as _ %>
+<%! from django.core.urlresolvers import reverse %>
+
+<%inherit file="../main.html" />
+
+<%block name="title"><title>${_("Payment Error")}</title></%block>
+
+
+<section class="container">
+    <p><h1>${_("There was an error processing your order!")}</h1></p>
+    ${error_html}
+
+    <p><a href="${reverse('shoppingcart.views.show_cart')}">${_("Return to cart to retry payment")}</a></p>
+</section>