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#!/bin/bash
#
# This file is part of TALER
# Copyright (C) 2023, 2024 Taler Systems SA
#
# TALER 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, or
# (at your option) any later version.
#
# TALER 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 TALER; see the file COPYING. If not, see
# <http://www.gnu.org/licenses/>
#
# Author: Christian Grothoff
#
set -eux
function cleanup()
{
killall fbi
taler-mdb-display -c "$CONF" -i
exit 0
}
trap cleanup EXIT
CONF="$HOME/.config/taler.conf"
# Parse command-line options
while getopts ':c:h' OPTION; do
case "$OPTION" in
c)
CONF="$OPTARG"
;;
h)
echo 'Supported options:'
# shellcheck disable=SC2016
echo ' -c $CONF -- set configuration'
;;
?)
exit_fail "Unrecognized command line option"
;;
esac
done
shift $((OPTIND - 1))
taler-mdb-display -c "$CONF"
FBDEV=$(taler-config -c "$CONF" -s taler-mdb -o FRAMEBUFFER_DEVICE)
DATA_HOME=$(taler-config -c "$CONF" -s paths -o DATADIR -f)
while true
do
HOUR=$(date +%H | sed -e "s/^0//")
if [[ HOUR -ge 8 && HOUR -lt 22 ]]
then
taler-mdb-display -c "$CONF"
for AD in $(ls "${DATA_HOME}"/ads/* | shuf)
do
DELAY=$(echo "$AD" | awk -F'[-.]' '{print $(NF-1)}')
fbi -d "$FBDEV" -a -m "768x576-75" -vt 2 -nocomments -noverbose "$AD" &> /dev/null
sleep "$DELAY"
killall fbi
done
taler-mdb-display -c "$CONF" -i
else
# Night time, save power!
sleep 600
fi
done
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