Simple command line tool to show timetable of the ICE you're sitting in

iceportal.zsh

#!/bin/zsh

tt_data=$(curl -s https://iceportal.de/api1/rs/tripInfo/trip)

if ! head -n 3 <<<"$tt_data" | grep -q '{'; then
	echo "Invalid API response. Are you on the ICE Wifi?"
	exit 1
fi

tt_data=$(
	jq '[.trip.stops[]
	|{
		station: .station.name,
		scheduled: .timetable.scheduledArrivalTime,
		actual: .timetable.actualArrivalTime,
		delay: .timetable.arrivalDelay
	}]' <<<"$tt_data"
)


timetable() {
	jq -r '
		def dbtime: . / 1000 | strflocaltime("%H:%M");
		.[]| .station + "\t"
			+ (.scheduled | values | dbtime)
			+ "\t"
			+ (.actual    | values | dbtime)' <<<"$tt_data" | \
		column --table --separator=$'\t' --table-columns=Bahnhof,Ankunft,tatsächlich |\
		awk "/${1:-^$}/"' {printf("\033[1;%dm%s\033[0m\n",33,$0);next}
					{print}'

}


case $1 in
	timetable|tt|*) timetable $2;;
esac