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#!/bin/sh

set -u
set -e

EPGIMAGESPATH="/var/cache/vdr/epgimages"
EPGIMAGESFORMAT="jpg"
RECORDINGIMAGENAME="thumbnail"

do_after() {

	if [ -e "${TARGET_RECORD_DIR}/index.vdr" ]; then
		INFO="info.vdr"
	elif [ -e "${TARGET_RECORD_DIR}/index" ]; then
		INFO="info.vdr"
	else
		return 0
	fi

	EVENTID="$(cat "${TARGET_RECORD_DIR}/${INFO}" | egrep "^E " | cut -d " " -f 2)"
	CHANNELID="$(cat "${TARGET_RECORD_DIR}/${INFO}" | egrep "^C " | cut -d " " -f 2)"

	if [ -e "${EPGIMAGESPATH}/${CHANNELID}_${EVENTID}.${EPGIMAGESFORMAT}" ]; then
		cp "${EPGIMAGESPATH}/${CHANNELID}_${EVENTID}.${EPGIMAGESFORMAT}" "${TARGET_RECORD_DIR}/${RECORDINGIMAGENAME}.${EPGIMAGESFORMAT}"
	fi

	COUNTER=1
	while [ -e "${EPGIMAGESPATH}/${CHANNELID}_${EVENTID}_${COUNTER}.${EPGIMAGESFORMAT}" ]; do
		cp "${EPGIMAGESPATH}/${CHANNELID}_${EVENTID}_${COUNTER}.${EPGIMAGESFORMAT}" "${TARGET_RECORD_DIR}/${RECORDINGIMAGENAME}_${COUNTER}.${EPGIMAGESFORMAT}"
		COUNTER=$(expr ${COUNTER} + 1)
	done

}



do_edit() {
	find "${SOURCE_RECORD_DIR}/" -maxdepth 1 \( -name "${RECORDINGIMAGENAME}.${EPGIMAGESFORMAT}" -o -name "${RECORDINGIMAGENAME}_*.${EPGIMAGESFORMAT}" \) -print0 | xargs -0r cp -t "${TARGET_RECORD_DIR}"
}



case "${1}" in

	after)
		TARGET_RECORD_DIR="${2}"
		do_after
	;;
	edited)
		SOURCE_RECORD_DIR="${3}"
		TARGET_RECORD_DIR="${2}"
		do_edit
	;;
	move)
		SOURCE_RECORD_DIR="${2}"
		TARGET_RECORD_DIR="${3}"
		do_edit
	;;

esac

exit 0