telegram-bot-bash/bin/process_batch.sh
Kay Marquardt (Gnadelwartz) 4854d0d051 bashbot.rc: fix webhook
2021-03-02 18:26:41 +01:00

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#!/bin/bash
# shellcheck disable=SC1090,SC2034,SC2059
#===============================================================================
#
# FILE: bin/process_batch.sh
#
USAGE='process_update.sh [-h|--help] [-s|--startbot] [-w|--watch] [-n|--lines n] [file] [debug]'
#
# DESCRIPTION: processes last 10 telegram updates in file, one update per line
#
# -s --startbot load addons, start TIMER, trigger startup actions
# -w --watch watch for new updates added to file
# -n --lines read only last "n" lines
# file to read updates from
# empty means read from webhook pipe
#
# -h - display short help
# --help - this help
#
# LICENSE: WTFPLv2 http://www.wtfpl.net/txt/copying/
# AUTHOR: KayM (gnadelwartz), kay@rrr.de
# CREATED: 27.02.2021 13:14
#
#### $$VERSION$$ v1.45-dev-60-g2415814
#===============================================================================
####
# parse args
COMMAND="process_multi_updates"
lines="-n 10"
opt=0
while [[ "${opt}" -lt 5 && "$1" == "-"* ]]
do
(( opt++ ))
case "$1" in
"-s"|"--startbot")
startbot="yes"
shift
;;
"-w"|"--watch")
follow="-f"
shift
;;
"-n"|"--lines")
lines="-n $2"
shift 2
;;
esac
done
# set bashbot environment
source "${0%/*}/bashbot_env.inc.sh" "debug" # debug
print_help "${1:-nix}"
# empty file is webhook
file="${WEBHOOK}"
[ -n "$1" ] && file="$1"
# start bot
if [ -n "${startbot}" ]; then
# warn when starting bot without pipe
[ -p "${file}" ] || printf "%b\n" "${ORANGE}Warning${NC}: File is not a pipe:${GREY} ${file##*/}${NC}"
start_bot "$2"
printf "${GREEN}Bot start actions done, start reading updates ....${NN}"
fi
# check file exist
if [[ ! -r "${file}" || -d "${file}" ]]; then
printf "%b\n" "${RED}Error${NC}: File not readable:${GREY} ${file}${NC}."
exit 1
fi
####
# ready, do stuff here -----
# kill all sub processes on exit
trap 'kill $(jobs -p) 2>/dev/null; printf "Bot in batch mode killed!\n"' EXIT HUP QUIT
# use tail to read appended updates
# shellcheck disable=SC2086,SC2248
tail ${follow} ${lines} "${file}" |\
while IFS="" read -r input
do
# read json from stdin and convert update format
# replace any ID named BOTADMIN with ID of bot admin
: "${input//\"id\":BOTADMIN,/\"id\":${BOT_ADMIN},}"
json='{"result": ['"${_}"']}'
UPDATE="$(${JSONSHFILE} -b -n <<<"${json}" 2>/dev/null)"
# process telegram update
"${COMMAND}" "$2"
done