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dwelling-radio/web/assets/js/main.js

62 lines
2.1 KiB
JavaScript

const $ = id => document.getElementById(id);
function updateRadioStatus() {
fetch("/status")
.then(r => r.json())
.then(r => {
$("radio-song").textContent = r.song;
$("radio-listeners").textContent = r.listeners;
$("radio-listener-peak").textContent = r.listener_peak;
}).catch(() => {
$("radio-song").textContent = "";
$("radio-listeners").textContent =
$("radio-listener-peak").textContent = "0"; }); }
function updateLastPlayedSong() {
fetch("/lastsong")
.then(r => r.json())
.then(last_played => {
if ($("last-songs").firstChild === null)
$("last-songs").appendChild(document.createElement("tbody"));
else if (last_played.time == $("last-songs").firstChild.lastChild.firstChild.textContent)
return;
if ($("last-songs").firstChild.children.length == 10)
$("last-songs").firstChild.firstChild.remove();
let row = $("last-songs").insertRow();
row.insertCell().appendChild(document.createTextNode(last_played.time));
row.insertCell().appendChild(document.createTextNode(last_played.listeners == 0 ? "" : last_played.listeners));
row.insertCell().appendChild(document.createTextNode(last_played.song)); }); }
$("radio-update").addEventListener("click", () => {
updateLastPlayedSong();
updateRadioStatus(); });
setInterval(updateRadioStatus, 45000);
setInterval(updateLastPlayedSong, 45000);
const audio = document.getElementsByTagName("audio")[0];
audio.hidden = true;
const audio_src = audio.childNodes[0].src;
const volume = $("radio-volume");
audio.volume = volume.value / 100.0;
volume.addEventListener("input", e => audio.volume = e.target.value / 100.0);
audio.addEventListener("timeupdate", e => {
const ct = e.target.currentTime;
const s = Math.floor(ct % 60);
const m = Math.floor((ct / 60) % 60);
const h = Math.floor(ct / 3600);
$("radio-elapsed").textContent = `${h}h ${m}m ${s}s`; });
$("player").style.display = $("player").firstChild.style.display = "flex";
$("radio-play").addEventListener("click", e => {
audio.paused ? (audio.src = audio_src) && audio.play() : audio.src = "";
e.target.style.maskImage = e.target.style.webkitMaskImage = audio.paused ?
"url(/assets/img/play.svg)" : "url(/assets/img/stop.svg)"; });