#!/bin/bash /usr/lib/turtle/turtle_module
VERSION="1.0"
DESCRIPTION="Schedule Tasks"
CONF=/tmp/cron.form

: ${DIALOG_OK=0}
: ${DIALOG_CANCEL=1}
: ${DIALOG_HELP=2}
: ${DIALOG_EXTRA=3}
: ${DIALOG_ITEM_HELP=4}
: ${DIALOG_ESC=255}

function configure {
  if [ ! -e /etc/crontabs/root ]; then
    touch /etc/crontabs/root
    echo -e "\
#  * * * * * command\n\
#  | | | | +- - - - day of week (0 - 6) (Sunday=0)\n\
#  | | | +- - - - - month (1 - 12)\n\
#  | | +- - - - - - day of month (1 - 31)\n\
#  | +- - - - - - - hour (0 - 23)\n\
#  +- - - - - - - - minute (0 - 59)\n\
#  \n\
# 30   2 * * * start script2email # Run at 2:30 AM daily\n\
# */15 * * * * start script2http  # Run every 15 minutes\n\
# \n\
# See Help for a list of modules which may be scheduled.\n\
" > /etc/crontabs/root
  fi

  dialog \
    --help-button \
    --title "Crontab: /etc/crontabs/root" \
    --editbox /etc/crontabs/root 18 72\
  2>$CONF
  return=$?
  case $return in
    $DIALOG_OK)
      cat $CONF | {
        cat $CONF > /etc/crontabs/root
        /etc/init.d/cron stop
        rm $CONF
        /etc/init.d/cron start
      };;
    $DIALOG_HELP)
      dialog --title "Help" \
        --msgbox "Cron is a job scheduler which can be used to start and stop modules at specific times or regular intervals using the 'start' and 'stop' commands.\n \n\
 30   2 * * * start script2email # Run at 2:30 AM daily\n\
 */15 * * * * start script2http  # Run every 15 minutes\n\
 \n\
Available modules:\n\
$(ls -w 40 /etc/turtle/modules/)\n \n\
Jobs may be temporarily disabled by prefixing them with a comment (#)\n \n\
Syntax:\n\
  * * * * * command\n\
  | | | | +- - - - day of week (0 - 6) (Sunday=0)\n\
  | | | +- - - - - month (1 - 12)\n\
  | | +- - - - - - day of month (1 - 31)\n\
  | +- - - - - - - hour (0 - 23)\n\
  +- - - - - - - - minute (0 - 59)\n\
" 20 60
      configure
      ;;
    $DIALOG_CANCEL)
      rm $CONF;;
    $DIALOG_ESC)
      rm $CONF;;
  esac
}

function start {
  /etc/init.d/cron reload
  /etc/init.d/cron start
}
function stop {
  /etc/init.d/cron stop
}
function status {
 if pgrep crond > /dev/null; then echo "1"; else echo "0"; fi
}