43 lines
1.0 KiB
JavaScript
43 lines
1.0 KiB
JavaScript
let calls = {};
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let messages = [];
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const timeoutLength = 20 * 60 * 1000; // 20 Minutes
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Notification.requestPermission(permission => {
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if (permission === "granted") {
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new Notification("Test notification", {body: "whatever"});
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}
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});
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function alertNotHeard(callsign) {
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new Notification(`${callsign} has not been heard for 20 Minutes!`,
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{body: `Last Heard: ${calls[callsign].lastHeard.toLocaleTimeString('en-GB')}`});
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}
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let aprsStream = new WebSocket("ws://localhost:1234");
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aprsStream.onmessage = function(event) {
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let message = JSON.parse(event.data);
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let callsign = `${message.from.call}-${message.from.ssid || 0}`;
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let date = new Date(message.recieved);
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console.log(message);
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messages.push(message);
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if (!(callsign in calls)) {
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calls[callsign] = {
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lastHeard: date,
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};
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}
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else {
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window.clearTimeout(calls[callsign].timeout);
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}
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calls[callsign].delta = date - calls[callsign].lastHeard;
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calls[callsign].timeout = window.setTimeout(
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alertNotHeard, timeoutLength, callsign);
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};
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