Realtime data (GTFS) added to MMM-Resrobot timetables (swe) to show buss delay

[karl.d.hagstrom]

Re: MMM-ResRobot - Public transport information for Sweden
Since Trafiklab also provides a free api to the GTFS files, I wanted to add the delay to the buss timetable that I currently show with the MMM-Resrobot module.
I took a shortcut and added my GTFS-implementation in a fork/branch of MMM-Resrobot, so all creds to the creator of that module!
My branch also contains modificatios that does not only affect the realtime-data that you might not want in your version. I think i hardcoded a filter to only show busses heading towards the city, so you might not want to directly clone my branch without having a look at it first (search for “directionFlag”).

to use:

1. create free account in www.trafiklab.se
2. create project
3. create api-keys for Stops data, ResRobot v2.1 & GTFS Regional Realtime
4. find your station ID for the buss-stop

• download “_stops.xml” for sweden:
  easiest to do it in the web-browser by browsing:
  https://opendata.samtrafiken.se/stopsregister-netex-sweden/sweden.zip?key=\<your API key for Stops data>
• find your stop-id called local-stoppoint-gid that matches your buss-stop
  this file is very hard to traverse, so i made a script to do it for me: (change “Gävle Domarringen” to your stop and point to where you have the _steps.xml)
  perl -0777 -ne 'while (/Gävle Domarringen(?:(?!<\/StopPlace>).)*?local-stoppoint-gid<\/Key>\n *<Value>\d*:(.*?)<\/Value>\n/sg) { print "stop: $1\n" }' data/_stops.xml which outputs something like:
  - stop: 9022021480123001
  - stop: 9022021480123002
  the two stops are on the different sides of the road, and i only wanted the one with the 2 at the end (heading towards town in my case which I found out by looking att the actual data and comparing with the x-trafik-app).
  Use this stop-ID in the config.js where I added a GTFSRegionalRealtime, se my example config-setup for resrobot.