Log train rides on german trains (location data, internet availability, speed, etc.)

log_train.sh

#!/bin/bash

if ! command -v curl &> /dev/null; then
	echo "This script needs curl. Please install curl."
	exit -1
fi

if ! command -v jq &> /dev/null; then
	echo "This script needs jq. Please install jq."
	exit -1
fi

echo "Fetching train ride metadata …"
echo "Make sure, you are connected to the train's WLAN"

TRAIN_SERIES='{"412":{"name":"ICE 4","type":"train","v_max":250},"403":{"name":"ICE 3","type":"train","v_max":300},"406":{"name":"ICE 3","type":"train","v_max":300},"407":{"name":"ICE 3","type":"train","v_max":300},"411":{"name":"ICE T","type":"train","v_max":230},"415":{"name":"ICE T","type":"train","v_max":230},"402":{"name":"ICE 2","type":"train","v_max":280},"401":{"name":"ICE T","type":"train","v_max":230},"801":{"name":"ICE 1","v_max":280,"type":"wagon","wagon_type":"First Class Intermediate Car"},"801.8":{"name":"ICE 1","v_max":280,"type":"wagon","wagon_type":"First Class Intermediate Car with Special Equipment"},"802":{"name":"ICE 1","v_max":280,"type":"wagon","wagon_type":"Second Class Intermediate Car"},"802.9":{"name":"ICE 1","v_max":280,"type":"wagon","wagon_type":"Second Class Intermediate Car with Special Configuration"},"803":{"name":"ICE 1","v_max":280,"type":"wagon","wagon_type":"Service Car"},"804":{"name":"ICE 1","v_max":280,"type":"wagon","wagon_type":"Restaurant Car"}}'

while :
do
	TRIP=$(curl -s 'https://iceportal.de/api1/rs/tripInfo/trip' \
	  -H 'Accept: application/json, text/plain, */*' \
	  -H 'Accept-Language: en-US,en;q=0.9' \
	  -H 'Cache-Control: no-cache' \
	  -H 'Connection: keep-alive' \
	  -H 'Content-Type: application/json' \
	  -H 'Pragma: no-cache' \
	  -H 'Referer: https://iceportal.de/Karte_neu' \
	  --compressed)
	STATUS=$(curl -s 'https://iceportal.de/api1/rs/status' \
	  -H 'Accept: application/json, text/plain, */*' \
	  -H 'Accept-Language: en-US,en;q=0.9' \
	  -H 'Cache-Control: no-cache' \
	  -H 'Connection: keep-alive' \
	  -H 'Content-Type: application/json' \
	  -H 'Pragma: no-cache' \
	  -H 'Referer: https://iceportal.de/Karte_neu' \
	  --compressed)

	trainType=$(echo $TRIP | jq -r '.trip.trainType')
	trainNumber=$(echo $TRIP | jq -r '.trip.vzn')
	carSeries=$(echo $STATUS | jq -r '.series')
	tripDate=$(echo $TRIP | jq -r '.trip.tripDate')
	totalDistance=$(echo $TRIP | jq -r '.trip.totalDistance')
	totalDistanceKm=$(expr $totalDistance / 1000)
	distanceFromLastStop=$(echo $TRIP | jq -r '.trip.distanceFromLastStop')
	speed=$(echo $STATUS | jq -r '.speed')
	gpsStatus=$(echo $STATUS | jq -r '.gpsStatus')
	
	vMax=$(echo $TRAIN_SERIES | jq -r ".\"${carSeries}\".\"v_max\"")
	vMaxThreshold=$(expr $vMax \* 85 / 100)
	tput clear
	speedColor=""
	if [ "$speed" -gt "$vMaxThreshold" ]; then
		speedColor="\033[5;31m"
	fi
	mkdir -p train_rides/$tripDate

	echo "Logging status data to ./train_rides/$tripDate/${trainType}_${trainNumber}_status.json"
	echo "Logging trip data to ./train_rides/$tripDate/${trainType}_${trainNumber}_trip.json"
	echo -e "\033[1mTrain Type\033[0m:       $trainType"
	echo -e "\033[1mTrain Number\033[0m:     $trainNumber"
	echo -e "\033[1mCar Series\033[0m:       BR $trainSeries"
	echo -e "\033[1mDate\033[0m:             $tripDate"
	echo -e "\033[1mTotal Distance\033[0m:   $totalDistanceKm km"
	if [[ $gpsStatus == "VALID" ]]; then
		echo -e "\033[1mGPS Status\033[0m:       \033[0;32m$gpsStatus\033[0m"
		echo -e "\033[1mSince last stop\033[0m:  $(echo $distanceFromLastStop | sed -e 's/...$/.&/;t' -e 's/.$/.0&/') km"
		echo -e "\033[1mSpeed\033[0m:            ${speedColor}${speed} km/h\033[0m (max $vMax km/h)"
	else
		echo -e "\033[1mGPS Status\033[0m:       \033[0;31m$gpsStatus\033[0m"
		echo -e "\033[1mSince last stop\033[0m:  \e[3mNo GPS\e[0m"
		echo -e "\033[1mSpeed\033[0m:            \e[3mNo GPS\e[0m"
	fi
	
	echo $STATUS >> "train_rides/$tripDate/${trainType}_${trainNumber}_status.json"
	echo $TRIP >>  "train_rides/$tripDate/${trainType}_${trainNumber}_trip.json"
	sleep 3
done