#!/bin/bash
# Author: Giacomo Mariani <g.mariani@cineca.it>
# Licensed under BSD licence <http://en.wikipedia.org/wiki/BSD_licenses>
# Last edited: Tue Jun  4 15:46:40 CEST 2013

usage()
{
cat << EOF
usage: $0 [options] [-t ticket.list]

This script remove your unused tickets.
It can remove all your tickets or the tickets listed in a file of the form given by iTicket.

OPTIONS:
   -h      Show this message
   -u      Remove all for your username
   -t ticket.list     
   -v      Verbose
EOF
return 0
}

remove_all_tickets()
{
echo "iRODS username: ${username}"
for i in `iticket ls | grep -B 3 "owner name: ${username}" | grep "string:" |  awk '{print $2}'`
do 
    if [ $VERBOSE ] 
    then 
        echo "iticket delete $i" 
    fi
    iticket delete $i
done
return 0
}

remove_from_ticketfile()
{
echo "Removing tickets listed in: ${ticketfile}"
for i in `cat ${ticketfile} | awk -F"," '{print $2}'`
do 
    if [ $VERBOSE ] 
    then 
        echo "iticket delete $i"
    fi
    iticket delete $i
done
return 0
}

if [ $# -eq "0" ]
then
    echo "Wrong number of arguments." ; echo
    usage
    exit 1
fi

while getopts “ut:hv” OPTION
do
     case $OPTION in
         u)
             username=$(iuserinfo | grep "name:" | awk '{print $2}') 
             remove_all_tickets
             exit 0
             ;;
         t)
             ticketfile=$OPTARG
             remove_from_ticketfile
             exit 0
             ;; 
         h)
             usage
             exit 0
             ;;
         v)
             VERBOSE=1
             ;;
         ?)
             usage
             exit 1
             ;;
     esac
done

exit 0