diff -r 6f3078f7fd47 -r be36eed5e6e0 client/src/selectors/syncSelectors.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/client/src/selectors/syncSelectors.js	Thu Aug 03 17:33:00 2017 +0200
@@ -0,0 +1,10 @@
+// selectors linked to syncronization status
+import { ActionEnum } from '../constants';
+
+export const getLastSync = state => state.getIn(['authStatus', 'lastSync']) || 0
+
+export const isSynchronizing = state => state.getIn(['status', 'isSynchronizing'])
+
+export const isSynchronized = state =>
+    state.get('notes').every((n) => n.get('action')===ActionEnum.NONE) &&
+    state.get('sessions').every((n) => n.get('action')===ActionEnum.NONE)