aprsNotifyJS/client.js

145 lines
4.0 KiB
JavaScript

// null here means just use the original callsign
const trackedStations = {
// Digis/iGates
"W1FN-1": null,
"W1FN-3": null,
"W1FN-5": null,
"W1FN-6": null,
"W1FN-7": null,
"W1FN-8": null,
"W1FN-9": null,
"W1FN-10": null,
"N1GMC-1": null,
"N1GMC-2": null,
// Vehicles
"KC1GDW-6": "Rover 1",
"K1EHZ-9": "Rover 2",
"N0JSR-9": "Rover 3",
"W1KUA-9": "Manager",
"KC1GDW-13": "Coordinator",
"WB1BRE-12": "EMS",
"KC1GDW-11": "Bike Tech",
"KC1GDW-14": "Something (panel van thing)",
// People trackers
"W1HS-??": "",
"W1HS-??": ""
};
const timeoutLength = 10 * 60 * 1000; // 10 Minutes
const lowVoltage = 11.9;
///////// End of Config /////////
let stations = {};
let messages = [];
if (Notification.permission !== "granted") {
Notification.requestPermission(permission => {
if (permission === "granted") {
new Notification("Test notification", {body: "whatever"});
}
});
}
function getTactical(callsign) {
if (trackedStations[callsign])
return `${trackedStations[callsign]} [${callsign}]`;
else
return callsign;
}
function prettyDuration(duration) {
let date = new Date(timeoutLength);
return date.getUTCHours() > 0 ? date.getUTCHours() + " Hours": "" +
date.getUTCMinutes() > 0 ? date.getUTCMinutes() + " Minutes": "" +
date.getUTCSeconds() > 0 ? date.getUTCSeconds() + " Seconds": "" +
date.getUTCMilliseconds() > 0 ? date.getUTCMilliseconds() + " Milliseconds" : "";
}
function redrawTable() {
let table = document.querySelector('table.stations');
table.innerHTML =
`<tr><th>Callsign</th>` +
`<th>Last Heard</th>` +
`<th>Time since Last Heard</th>` +
`<th>Last Voltage</th>` +
`<th>Last Temperature</th>`;
for (let callsign in stations) {
let station = stations[callsign];
let nowDelta = new Date(new Date() - station.lastHeard);
let tr = table.appendChild(document.createElement('tr'));
// TODO: should be set by same thing that sends alert
if (nowDelta.getTime() > timeoutLength) {
tr.classList.add('timedOut');
}
if (station.lastVoltage < lowVoltage) {
tr.classList.add('lowVoltage');
}
tr.innerHTML =
`<td>${getTactical(callsign)}</td>` +
`<td>${station.lastHeard.toLocaleTimeString('en-GB')}</td>` +
`<td>${nowDelta.toLocaleTimeString('en-GB', {timeZone: "UTC"})}</td>` +
`<td>${station.lastVoltage||''}</td>` +
`<td>${station.lastTemperature||''}</td>`;
}
}
function notify(title, body) {
return new Notification(title, {body: body, requireInteraction: true});
}
function alertNotHeard(callsign) {
notify(`${getTactical(callsign)} has not been heard for ${prettyDuration(timeoutLength)}!`,
`Last Heard: ${stations[callsign].lastHeard.toLocaleTimeString('en-GB')}`);
}
function alertVoltage(callsign) {
notify(`${getTactical(callsign)}'s battery has dropepd below ${lowVoltage}V`,
`Voltage: ${stations[callsign].lastVoltage}`);
}
let aprsStream = new WebSocket("wss://adamgoldsmith.name/APRSws");
aprsStream.onmessage = function(event) {
let message = JSON.parse(event.data);
let callsign = `${message.from.call}-${message.from.ssid || 0}`;
let date = new Date(); // TODO: could remove "message.recieved" from server
console.log(message);
messages.push(message);
// TODO: hacky filter
if (callsign in trackedStations) {
if (!(callsign in stations)) {
stations[callsign] = {};
}
else {
window.clearTimeout(stations[callsign].timeout);
}
stations[callsign].lastHeard = date;
stations[callsign].delta = date - stations[callsign].lastHeard;
stations[callsign].timeout = window.setTimeout(
alertNotHeard, timeoutLength, callsign);
if ('data' in message && 'analog' in message.data) {
stations[callsign].lastVoltage = message.data.analog[0] / 10;
stations[callsign].lastTemperature = message.data.analog[1];
if (stations[callsign].lastVoltage <= lowVoltage) {
alertVoltage(callsign);
}
}
redrawTable();
}
};
window.addEventListener("load", redrawTable);
window.setInterval(redrawTable, 1000);