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authorstuebinm2022-09-03 00:20:45 +0200
committerstuebinm2022-09-03 00:20:45 +0200
commit2b1a1888210caecbfc66b85b58ef9cd760a73800 (patch)
treed82f26cbe79be88682bd0e2e6aff6096b5d95e3b /site
parentc3f30f688a14e88f9e203df5c93ae5138e080982 (diff)
init onboard-unit
Diffstat (limited to 'site')
-rw-r--r--site/obu.hamlet92
1 files changed, 92 insertions, 0 deletions
diff --git a/site/obu.hamlet b/site/obu.hamlet
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+++ b/site/obu.hamlet
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+<h1>_{MsgOBU}
+
+<section>
+ <h2>#{tripId} _{Msgon} #{day}
+ <strong>Token:</strong> <span id="token">
+
+<section>
+ <h2>_{MsgLive}
+ <p><strong>Position: </strong><span id="lat"></span>, <span id="long"></span>
+ <p><strong>Accuracy: </strong><span id="acc">
+
+<section>
+ <h2>Status
+ <p id="status">_{MsgNone}
+
+
+<script>
+ var token = null;
+
+ let euclid = (a,b) => {
+ let x = a[0]-b[0];
+ let y = a[1]-b[1];
+ return x*x+y*y;
+ }
+
+ let minimalDist = (point, list, proj, norm) => {
+ return list.reduce (
+ (min, x) => {
+ let dist = norm(point, proj(x));
+ return dist < min[0] ? [dist,x] : min
+ },
+ [norm(point, proj(list[0])), list[0]]
+ )[1]
+ }
+
+ let counter = 0;
+
+ async function geoPing(geoloc) {
+ console.log("got position update " + counter);
+ document.getElementById("lat").innerText = geoloc.coords.latitude;
+ document.getElementById("long").innerText = geoloc.coords.longitude;
+ document.getElementById("acc").innerText = geoloc.coords.accuracy;
+
+ fetch(`/api/train/ping`, {
+ method: "POST",
+ body: JSON.stringify({
+ token: token,
+ lat: geoloc.coords.latitude,
+ long: geoloc.coords.longitude,
+ timestamp: (new Date()).toISOString()
+ }),
+ headers: {"Content-Type": "application/json"}
+ }).then((resp) => {
+ counter = counter + 1;
+ document.getElementById("status").innerText = `${counter}: sent`;
+ }).catch((error) => document.getElementById("status").innerText = error);
+ }
+
+ async function geoError(error) {
+ document.getElementById("status").innerText = "error";
+ alert(`_{MsgPermissionFailed}: \n${error.message}`);
+ console.log(error);
+ }
+
+ async function main() {
+ let trip = await (await fetch("/api/trip/#{tripId}")).json();
+ console.log("got trip info");
+
+ token = await (await fetch("/api/train/register/#{tripId}", {
+ method: "POST",
+ body: JSON.stringify({agent: "onboard-unit"}),
+ headers: {"Content-Type": "application/json"}
+ })).json();
+
+
+ if (token.error) {
+ alert("could not obtain token: \n" + token.msg);
+ document.getElementById("status").innerText = "_{MsgTokenFailed}";
+ } else {
+ console.log("got token");
+
+ document.getElementById("token").innerText = token;
+
+ navigator.geolocation.watchPosition(
+ geoPing,
+ geoError,
+ {enableHighAccuracy: true}
+ );
+ }
+ }
+
+ main()