avoid calculating the next date when possible

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@23060 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_calendar/SkinTemplateItem/portal_skins/erp5_calendar/Person_getAvailableTimeMovementList.xml

@@ -131,6 +131,9 @@ def flush_list():\n
 for movement in movement_list:\n
   default_range = movement.stop_date - movement.start_date\n
   next_start_date = movement.date\n
+  if next_start_date <= movement.start_date:\n
+    next_stop_date = movement.stop_date\n
+  else:\n
     next_stop_date = movement.date+default_range\n
   next_quantity = movement.total_quantity\n
   next_relative_url = movement.relative_url\n

bt5/erp5_calendar/bt/revision

-325
\ No newline at end of file
+326
\ No newline at end of file