#!/bin/sh
#
# koha-mysql: provide an interactive mysql shell set up for the specified
#   koha instance.
# Copyright 2011  Catalyst IT, Ltd
# 
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

umask 0077

# include helper functions
if [ -f "/usr/share/koha/bin/koha-functions.sh" ]; then
    . "/usr/share/koha/bin/koha-functions.sh"
else
    echo "Error: /usr/share/koha/bin/koha-functions.sh not present." 1>&2
    exit 1
fi

usage()
{
    local scriptname=$0
    cat <<EOF
Run mysql in the context of a given Koha instance.

Usage: $scriptname instancename [ optional mysql arguments ]

EOF
}

# Parse command line.
[ $# -ge 1 ] || ( usage ; die "Missing instance name..." )

name="$1"

is_instance "$name" || ( usage; die "Unknown instance '$name'" )

shift # remove instance name from argument list.
kohaconfig="/etc/koha/sites/$name/koha-conf.xml"

mysqlhost="$( xmlstarlet sel -t -v 'yazgfs/config/hostname' $kohaconfig )" || die "hostname missing from $kohaconfig"
mysqldb="$( xmlstarlet sel -t -v 'yazgfs/config/database' $kohaconfig )" || die "database missing from $kohaconfig"
mysqluser="$( xmlstarlet sel -t -v 'yazgfs/config/user' $kohaconfig )" || die "user missing from $kohaconfig"
mysqlpass="$( xmlstarlet sel -t -v 'yazgfs/config/pass' $kohaconfig )" || die "pass missing from $kohaconfig"

mysqltz="$( xmlstarlet sel -t -v 'yazgfs/config/timezone' $kohaconfig )"
if [ $? -eq 0 ]
then
    echo "Using time zone $mysqltz"
    mysql --host="$mysqlhost" --user="$mysqluser" --password="$mysqlpass" --init-command="SET time_zone = '$mysqltz'" \
    "$mysqldb"  "${@}"
else
    echo "No time zone set for Koha, using database time zone."
    mysql --host="$mysqlhost" --user="$mysqluser" --password="$mysqlpass"  \
    "$mysqldb"  "${@}"
fi