add truckroll api
diff --git a/xos/core/xoslib/methods/truckroll.py b/xos/core/xoslib/methods/truckroll.py
new file mode 100644
index 0000000..4e33432
--- /dev/null
+++ b/xos/core/xoslib/methods/truckroll.py
@@ -0,0 +1,89 @@
+from rest_framework.decorators import api_view
+from rest_framework.response import Response
+from rest_framework.reverse import reverse
+from rest_framework import serializers
+from rest_framework import generics
+from rest_framework import status
+from core.models import *
+from django.forms import widgets
+from services.cord.models import CordSubscriberRoot
+from services.vtr.models import VTRTenant, VTRService
+from plus import PlusSerializerMixin
+from xos.apibase import XOSListCreateAPIView, XOSRetrieveUpdateDestroyAPIView, XOSPermissionDenied
+
+if hasattr(serializers, "ReadOnlyField"):
+    # rest_framework 3.x
+    ReadOnlyField = serializers.ReadOnlyField
+else:
+    # rest_framework 2.x
+    ReadOnlyField = serializers.Field
+
+def get_default_vtr_service():
+    vtr_services = VTRService.get_service_objects().all()
+    if vtr_services:
+        return vtr_services[0].id
+    return None
+
+class VTRTenantIdSerializer(serializers.ModelSerializer, PlusSerializerMixin):
+        id = ReadOnlyField()
+        target_id = serializers.IntegerField()
+        test = serializers.CharField()
+        argument = serializers.CharField(required=False)
+        provider_service = serializers.PrimaryKeyRelatedField(queryset=VTRService.get_service_objects().all(), default=get_default_vtr_service)
+        result = serializers.CharField(required=False)
+
+        humanReadableName = serializers.SerializerMethodField("getHumanReadableName")
+        is_synced = serializers.SerializerMethodField("isSynced")
+
+        class Meta:
+            model = VTRTenant
+            fields = ('humanReadableName', 'id', 'provider_service', 'target_id', 'test', 'argument', 'result', 'is_synced' )
+
+        def getHumanReadableName(self, obj):
+            return obj.__unicode__()
+
+        def isSynced(self, obj):
+            return (obj.enacted is not None) and (obj.enacted >= obj.updated)
+
+class VTRTenantList(XOSListCreateAPIView):
+    serializer_class = VTRTenantIdSerializer
+
+    method_kind = "list"
+    method_name = "truckroll"
+
+    def get_queryset(self):
+        queryset = VTRTenant.get_tenant_objects().select_related().all()
+
+        test = self.request.QUERY_PARAMS.get('test', None)
+        if test is not None:
+            ids = [x.id for x in queryset if x.get_attribute("test", None)==test]
+            queryset = queryset.filter(id__in=ids)
+
+        return queryset
+
+    def post(self, request, format=None):
+        data = request.DATA
+
+        existing_obj = None
+#        for obj in VTRTenant.get_tenant_objects().all():
+#            if (obj.tesst == data.get("test", None)) and (obj.target == data.get("target", None))):
+#               existing_obj = obj
+
+        if existing_obj:
+            serializer = VTRTenantIdSerializer(existing_obj)
+            headers = self.get_success_headers(serializer.data)
+            return Response( serializer.data, status=status.HTTP_200_OK )
+
+        return super(VTRTenantList, self).post(request, format)
+
+class VTRTenantDetail(XOSRetrieveUpdateDestroyAPIView):
+    serializer_class = VTRTenantIdSerializer
+    queryset = VTRTenant.get_tenant_objects().select_related().all()
+
+    method_kind = "detail"
+    method_name = "truckroll"
+
+
+
+
+
diff --git a/xos/services/vtr/models.py b/xos/services/vtr/models.py
index a3e3501..1181faf 100644
--- a/xos/services/vtr/models.py
+++ b/xos/services/vtr/models.py
@@ -42,7 +42,8 @@
 
     simple_attributes = ( ("test", None),
                           ("argument", None),
-                          ("result", None) )
+                          ("result", None),
+                          ("target_id", None) )
 
     sync_attributes = ( 'test', 'argument' )
 
@@ -56,7 +57,7 @@
     def target(self):
         if getattr(self, "cached_target", None):
             return self.cached_target
-        target_id=self.get_attribute("target_id")
+        target_id=self.target_id
         if not target_id:
             return None
         users=CordSubscriberRoot.objects.filter(id=target_id)
@@ -72,7 +73,7 @@
             value = value.id
         if (value != self.get_attribute("target_id", None)):
             self.cached_target=None
-        self.set_attribute("target_id", value)
+        self.target_id = value
 
     def save(self, *args, **kwargs):
         super(VTRTenant, self).save(*args, **kwargs)