Add a custom manager to filter private and unpublished stuff (#39)

* Implement a customer manager for flatpages

* Implement public manager for private objects

* Add support for unpublished objects in roster and consist

* Add support for unpublished objects in bookshelf

* Update filtering on REST views

* Use uuid in urls.py

* Increment version

ram/roster/views.py

@@ -6,26 +6,30 @@ from roster.serializers import RollingStockSerializer
 
 
 class RosterList(ListAPIView):
-    queryset = RollingStock.objects.all()
     serializer_class = RollingStockSerializer
 
+    def get_queryset(self):
+        return RollingStock.objects.get_published(self.request.user)
+
 
 class RosterGet(RetrieveAPIView):
-    queryset = RollingStock.objects.all()
     serializer_class = RollingStockSerializer
     lookup_field = "uuid"
-
     schema = AutoSchema(operation_id_base="retrieveRollingStockByUUID")
 
+    def get_queryset(self):
+        return RollingStock.objects.get_published(self.request.user)
+
 
 class RosterAddress(ListAPIView):
     serializer_class = RollingStockSerializer
-
     schema = AutoSchema(operation_id_base="retrieveRollingStockByAddress")
 
     def get_queryset(self):
         address = self.kwargs["address"]
-        return RollingStock.objects.filter(address=address)
+        return RollingStock.objects.get_published(self.request.user).filter(
+            address=address
+        )
 
 
 class RosterClass(ListAPIView):
@@ -35,4 +39,6 @@ class RosterClass(ListAPIView):
 
     def get_queryset(self):
         _class = self.kwargs["class"]
-        return RollingStock.objects.filter(rolling_class__identifier=_class)
+        return RollingStock.objects.get_published(self.request.user).filter(
+            rolling_class__identifier=_class
+        )