#!/sbin/openrc-run
# Copyright 1999-2025 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

description="Paperless-ngx document management system (webserver, task queue, scheduler, consumer)"

pidpath="/run/paperless"
logpath="/var/log/paperless"
appdir="/usr/share/paperless/src"
conf="/etc/paperless.conf"

depend() {
	need net
	need redis
}

# Read a PAPERLESS_* value from /etc/paperless.conf (last definition wins,
# same as systemd's EnvironmentFile). The daemons load the file themselves
# via python-dotenv; this is only needed to configure granian which is
# started before Django loads.
get_conf() {
	sed -n "s/^${1}=//p" "${conf}" 2>/dev/null | tail -n 1 | tr -d '"\r'
}

start_one() {
	local name="$1"; shift
	ebegin "Starting paperless ${name}"
	start-stop-daemon --start --quiet --background --make-pidfile \
		--pidfile "${pidpath}/${name}.pid" \
		--user paperless --group paperless \
		--chdir "${appdir}" \
		--stdout "${logpath}/${name}.log" --stderr "${logpath}/${name}.log" \
		--env PYTHONUNBUFFERED=1 \
		-- "$@"
	eend $?
}

stop_one() {
	ebegin "Stopping paperless $1"
	start-stop-daemon --stop --quiet --retry 30 \
		--pidfile "${pidpath}/$1.pid"
	eend $?
}

start_webserver() {
	# Mirror the GRANIAN_* mapping of paperless-webserver.service
	set -- --env GRANIAN_HOST=:: --env GRANIAN_PORT=8000 --env GRANIAN_WORKERS=1
	local v
	v="$(get_conf PAPERLESS_BIND_ADDR)";          [ -n "${v}" ] && set -- "$@" --env "GRANIAN_HOST=${v}"
	v="$(get_conf PAPERLESS_PORT)";               [ -n "${v}" ] && set -- "$@" --env "GRANIAN_PORT=${v}"
	v="$(get_conf PAPERLESS_WEBSERVER_WORKERS)";  [ -n "${v}" ] && set -- "$@" --env "GRANIAN_WORKERS=${v}"
	v="$(get_conf PAPERLESS_FORCE_SCRIPT_NAME)";  [ -n "${v}" ] && set -- "$@" --env "GRANIAN_URL_PATH_PREFIX=${v}"

	ebegin "Starting paperless webserver"
	start-stop-daemon --start --quiet --background --make-pidfile \
		--pidfile "${pidpath}/webserver.pid" \
		--user paperless --group paperless \
		--chdir "${appdir}" \
		--stdout "${logpath}/webserver.log" --stderr "${logpath}/webserver.log" \
		--env PYTHONUNBUFFERED=1 \
		"$@" -- /usr/bin/granian --interface asginl --ws --loop uvloop paperless.asgi:application
	eend $?
}

start() {
	checkpath -d -m 0770 -o paperless:paperless "${pidpath}" "${logpath}"

	start_one task-queue /usr/bin/celery --app paperless worker --loglevel INFO || return 1
	start_one scheduler  /usr/bin/celery --app paperless beat --loglevel INFO || return 1
	start_one consumer   /usr/bin/paperless-manage document_consumer || return 1
	start_webserver
}

stop() {
	stop_one webserver
	stop_one consumer
	stop_one scheduler
	stop_one task-queue
}