# HG changeset patch
# User Tom Gottfried <tom@intevation.de>
# Date 1490019620 -3600
# Node ID 9712170c5150658444b60ef227ccadacc513f3a8
# Parent  b2dbf3e3f3f795f585327c84ebe7d2311e56af6c
Fix return value for missing value.

Deserialising failed with an empty string here, which prevented
creating a new Messung in the client.

diff -r b2dbf3e3f3f7 -r 9712170c5150 app/model/Messung.js
--- a/app/model/Messung.js	Mon Mar 20 14:49:35 2017 +0100
+++ b/app/model/Messung.js	Mon Mar 20 15:20:20 2017 +0100
@@ -37,7 +37,7 @@
         name: 'messzeitpunkt',
         convert: function(v) {
             if (!v) {
-                return '';
+                return null;
             }
             return new Date(v);
         }