Retrieves train traffic deviations between Uppsala and Stockholm for yesterday

collector.sh

#!/usr/bin/env bash
curl \
  -X POST \
  -H 'Content-Type:application/xml' \
  -d @query-announcements.xml \
  --silent \
  http://api.trafikinfo.trafikverket.se/v1.3/data.json | jq -r '.RESPONSE.RESULT[0].TrainAnnouncement[0].Deviation | .[]'

query-announcements.xml

<REQUEST>
  <LOGIN authenticationkey="716ac6ce0aca41708cefc9b00d62eb1e" />
  <QUERY objecttype="TrainAnnouncement">
    <DISTINCT>Deviation</DISTINCT>
    <FILTER>
      <OR>
        <EQ name="FromLocation.LocationName" value="U" />
        <EQ name="FromLocation.LocationName" value="Cst" />
      </OR>
      <OR>
        <EQ name="ToLocation.LocationName" value="Cst" />
        <EQ name="ToLocation.LocationName" value="U" />
      </OR>
      <GTE name="AdvertisedTimeAtLocation" value="$dateadd(-1.00:00)" />
    </FILTER>
  </QUERY>
</REQUEST>