restore default start date for experiments

src/python/dm/ds_web_service/service/impl/experimentSessionControllerImpl.py

@@ -43,16 +43,16 @@ class ExperimentSessionControllerImpl(DmObjectManager):
 
     def startExperiment(self, name):
         experiment = self.experimentDbApi.getExperimentWithUsers(name)
-        #if experiment.get('startDate') is None:
-        #    experiment2 = self.experimentDbApi.setExperimentStartDateToNow(name)
-        #    experiment['startDate'] = experiment2['startDate']
+        if experiment.get('startDate') is None:
+            experiment2 = self.experimentDbApi.setExperimentStartDateToNow(name)
+            experiment['startDate'] = experiment2['startDate']
         ExperimentManager.getInstance().createExperimentDataDirectory(experiment)
         return experiment
 
     def stopExperiment(self, name):
         experiment = self.experimentDbApi.getExperimentByName(name)
-        #if experiment.get('endDate') is None:
-        #    experiment = self.experimentDbApi.setExperimentEndDateToNow(name)
+        if experiment.get('endDate') is None:
+            experiment = self.experimentDbApi.setExperimentEndDateToNow(name)
         ExperimentManager.getInstance().updateExperimentWithStorageDataDirectory(experiment)
         return experiment