From dc519ae889ab40fe1723cd601c3e79b73bdd2f51 Mon Sep 17 00:00:00 2001
From: stuebinm
Date: Wed, 8 May 2024 23:34:43 +0200
Subject: restructure: split web frontend into several modules

---
 site/tracker.hamlet | 147 ----------------------------------------------------
 1 file changed, 147 deletions(-)
 delete mode 100644 site/tracker.hamlet

(limited to 'site/tracker.hamlet')

diff --git a/site/tracker.hamlet b/site/tracker.hamlet
deleted file mode 100644
index 2cc05e4..0000000
--- a/site/tracker.hamlet
+++ /dev/null
@@ -1,147 +0,0 @@
-<h1>_{MsgOBU}
-
-<section>
-  <h2>Tracker
-  <strong>Token:</strong> <span id="token">
-<section>
-  <h2>Status
-  <p id="status">_{MsgNone}
-  <p id>_{MsgError}: <span id="error">
-<section>
-  <h2>_{MsgLive}
-  <p><strong>Position: </strong><span id="lat"></span>, <span id="long"></span>
-  <p><strong>Accuracy: </strong><span id="acc">
-<section>
-  <h2>_{MsgEstimated}
-  <p><strong>_{MsgDelay}</strong>: <span id="delay">
-  <p><strong>_{MsgSequence}</strong>: <span id="sequence">
-
-
-<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;
-  let ws;
-  let id;
-
-  function setStatus(msg) {
-    document.getElementById("status").innerText = msg
-  }
-
-  async function geoError(error) {
-    setStatus("error");
-    alert(`_{MsgPermissionFailed}: \n${error.message}`);
-    console.error(error);
-    main();
-  }
-
-  async function wsError(error) {
-    // alert(`_{MsgWebsocketError}: \n${error.message === undefined ? error.reason : error.message}`);
-    console.log(error);
-    navigator.geolocation.clearWatch(id);
-  }
-
-  async function wsClose(error) {
-    console.log(error);
-    document.getElementById("error").innerText = `websocket closed (reason: ${error.reason}). reconnecting …`;
-    navigator.geolocation.clearWatch(id);
-    setTimeout(openWebsocket, 1000);
-  }
-
-  function wsMsg(msg) {
-    let json = JSON.parse(msg.data);
-    console.log(json);
-    document.getElementById("delay").innerText =
-      `${json.delay}s (${Math.floor(json.delay / 60)}min)`;
-    document.getElementById("sequence").innerText = json.sequence;
-  }
-
-
-  function initGeopos() {
-    document.getElementById("error").innerText = "";
-    id = navigator.geolocation.watchPosition(
-      geoPing,
-      geoError,
-      {enableHighAccuracy: true}
-    );
-  }
-
-
-  function openWebsocket () {
-    ws = new WebSocket((location.protocol == "http:" ? "ws" : "wss") + "://" + location.host + "/api/tracker/ping/ws");
-    ws.onerror = wsError;
-    ws.onclose = wsClose;
-    ws.onmessage = wsMsg;
-    ws.onopen = (event) => {
-      setStatus("connected");
-    };
-  }
-
-  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;
-
-    if (ws !== undefined && ws.readyState == 1) {
-        ws.send(JSON.stringify({
-            token: token,
-            geopos: [ geoloc.coords.latitude, geoloc.coords.longitude ],
-            timestamp: (new Date()).toISOString()
-        }));
-        counter += 1;
-        setStatus(`sent ${counter} pings`);
-    } else {
-        setStatus(`websocket readystate ${ws.readyState}`);
-    }
-  }
-
-
-  async function main() {
-    initGeopos();
-
-    let urlparams = new URLSearchParams(window.location.search);
-
-    token = urlparams.get("token");
-
-    if (token === null) {
-        token = await (await fetch("/api/tracker/register/", {
-             method: "POST",
-             body: JSON.stringify({agent: "tracktrain-website"}),
-             headers: {"Content-Type": "application/json"}
-        })).json();
-
-        if (token.error) {
-            alert("could not obtain token: \n" + token.msg);
-            setStatus("_{MsgTokenFailed}");
-        } else {
-            console.log("got token");
-            window.location.search = `?token=${token}`;
-        }
-    }
-
-    console.log(token)
-
-    if (token !== null) {
-        document.getElementById("token").innerText = token;
-        openWebsocket();
-    }
-  }
-
-  main()
-- 
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