Add records to orders

uncloud/uncloud_vm/models.py

@@ -40,8 +40,6 @@ class VMProduct(Product):
                                  blank=True,
                                  null=True)
 
-    description = "Virtual Machine"
-
     # VM-specific. The name is only intended for customers: it's a pain te
     # remember IDs (speaking from experience as ungleich customer)!
     name = models.CharField(max_length=32)
@@ -55,6 +53,10 @@ class VMProduct(Product):
         else:
             raise Exception('Invalid recurring period for VM Product pricing.')
 
+    @property
+    def description(self):
+        return "Virtual machine '{}': {} core(s), {}GB memory".format(
+                self.name, self.cores, self.ram_in_gb)
 
 class VMWithOSProduct(VMProduct):
     pass

uncloud/uncloud_vm/views.py

@@ -28,6 +28,9 @@ class VMProductViewSet(ProductViewSet):
         return VMProduct.objects.filter(owner=self.request.user)
 
     def create(self, request):
+        # TODO: what if something blows-up midway?
+        # => need a transaction
+
         # Create base order.
         order = Order.objects.create(
                 recurring_period=RecurringPeriod.PER_MONTH,
@@ -40,6 +43,10 @@ class VMProductViewSet(ProductViewSet):
         serializer.is_valid(raise_exception=True)
         vm = serializer.save(owner=request.user, order=order)
 
+        # Add Product record to order (VM is mutable, allows to keep history in order).
+        order.add_record(vm.setup_fee,
+                vm.recurring_price(order.recurring_period), vm.description)
+
         return Response(serializer.data)