default dates if no visit_id

smash/web/views/appointment.py

@@ -46,8 +46,8 @@ def appointment_add(request, visit_id=None):
         visit_start = visit.datetime_begin.strftime("%Y-%m-%d")
         visit_end   = visit.datetime_end.strftime("%Y-%m-%d")
     else:
-        visit_start = None
-        visit_end   = None
+        visit_start = datetime.datetime.today().strftime("%Y-%m-%d")
+        visit_end   = datetime.datetime.today().strftime("%Y-%m-%d")
     if request.method == 'POST':
         form = AppointmentAddForm(request.POST, request.FILES, user=request.user)
         if form.is_valid():