Merge "[CORD-2938] Moving convenience methods in the synchronizer containers"
diff --git a/xos/synchronizer/models/convenience/cordsubscriberroot.py b/xos/synchronizer/models/convenience/cordsubscriberroot.py
new file mode 100644
index 0000000..5af889c
--- /dev/null
+++ b/xos/synchronizer/models/convenience/cordsubscriberroot.py
@@ -0,0 +1,55 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+import json
+from xosapi.orm import ORMWrapper, register_convenience_wrapper
+
+class ORMWrapperCordSubscriberRoot(ORMWrapper):
+    @property
+    def volt(self):
+        links = self.subscribed_links.all()
+        for link in links:
+            # TODO: hardcoded service dependency
+            # cast from ServiceInstance to VOLTServiceInstance
+            volts = self.stub.VOLTServiceInstance.objects.filter(id = link.provider_service_instance.id)
+            if volts:
+                return volts[0]
+        return None
+
+    sync_attributes = ("firewall_enable",
+                       "firewall_rules",
+                       "url_filter_enable",
+                       "url_filter_rules",
+                       "cdn_enable",
+                       "uplink_speed",
+                       "downlink_speed",
+                       "enable_uverse",
+                       "status")
+
+    # figure out what to do about "devices"... is it still needed?
+
+    def get_attribute(self, name, default=None):
+        if self.service_specific_attribute:
+            attributes = json.loads(self.service_specific_attribute)
+        else:
+            attributes = {}
+        return attributes.get(name, default)
+
+    @property
+    def devices(self):
+        return self.get_attribute("devices", [])
+
+register_convenience_wrapper("CordSubscriberRoot", ORMWrapperCordSubscriberRoot)