Add FailedInvoice create method

hosting/models.py

@@ -743,4 +743,18 @@ class FailedInvoice(AssignPermissionsMixin, models.Model):
         help_text="The datetime if/when service was interrupted"
     )
 
+    class Meta:
+        permissions = (
+            ('view_failedinvoice', 'View User Card'),
+        )
+
+    @classmethod
+    def create(cls, stripe_customer=None, order=None, invoice_id=None):
+        instance = cls.objects.create(
+            stripe_customer=stripe_customer, order=order, number_of_attempts=0,
+            invoice_id=invoice_id
+        )
+        instance.assign_permissions(stripe_customer.user)
+        return instance
+