time period select on planned sessions view

rowers/views.py

@@ -14623,14 +14623,6 @@ def plannedsessions_view(request,
 
     r = getrequestrower(request,userid=userid)
 
-    when = request.GET.get('when')
-    if when:
-        timeperiod = when
-    else:
-        timeperiod = 'thisweek'
-
-    startdate,enddate = get_dates_timeperiod(timeperiod)
-
     if startdatestring:
         try:
             startdate = iso8601.parse_date(startdatestring)
@@ -14643,6 +14635,21 @@ def plannedsessions_view(request,
         except ParseError:
             pass
 
+
+    when = request.GET.get('when')
+    if when:
+        timeperiod = when
+        startdate,enddate = get_dates_timeperiod(timeperiod)
+    else:
+        timeperiod = 'thisweek'
+        startdate1,enddate1 = get_dates_timeperiod(timeperiod)
+
+        if not startdatestring:
+            startdate = startdate1
+
+        if not enddatestring:
+            enddate = enddate1
+
     try:
         trainingplan = TrainingPlan.objects.filter(
             startdate__lte =  startdate,