Arav/dwelling-radio
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main.js was rewritten and now it displays estimate and total duration of a current song.

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This commit is contained in:
Alexander Andreev 2023-10-07 05:33:57 +04:00
parent 238705b00f
commit f0420e9bcd
Signed by: Arav
GPG Key ID: D22A817D95815393
1 changed files with 65 additions and 40 deletions
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105
web/assets/js/main.js
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@ -1,60 +1,85 @@
const $ = id => document.getElementById(id);
function update() {
fetch("/api/status")
.then(r => r.json())
.then(r => {
$("radio-song").textContent = `${r.current_song.artist} - ${r.current_song.title}`;
$("radio-duration").textContent = r.current_song.duration;
$("radio-listeners").textContent = r.listeners.current;
$("radio-listener-peak").textContent = r.listeners.peak;
}).catch(() => {
$("radio-song").textContent = "";
const formatDuration = date => `${date.getUTCHours() > 0 ? date.getUTCHours() + ":" : ""}${date.getUTCMinutes()}:${date.getUTCSeconds().toString().padStart(2, "0")}`;
const formatStartAt = date => `${date.getHours().toString().padStart(2, "0")}:${date.getMinutes().toString().padStart(2, "0")}`;
let cursong_startat = null;
let cursong_duration_msec = 0;
async function updateStatus() {
const resp = await fetch("/api/status");
if (!resp.ok || 200 != resp.status) {
$("radio-song").textContent =
$("radio-duration-estimate").textContent =
$("radio-duration").textContent = "";
$("radio-listeners").textContent =
$("radio-listener-peak").textContent = "0"; });
$("radio-listener-peak").textContent = "0";
$("last-songs").firstChild.remove();
return [-1, null];
}
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 =
$("radio-listener-peak").textContent = "0"; }); }
const s = await resp.json();
function updateLastPlayedSong() {
fetch("/lastsong")
.then(r => r.json())
.then(last_played => {
if ($("last-songs").firstChild === null)
if (undefined == s.current_song)
return [-1, null];
$("radio-song").textContent = `${s.current_song.artist} - ${s.current_song.title}`;
$("radio-duration").textContent = formatDuration(new Date(s.current_song.duration_msec));
$("radio-listeners").textContent = s.listeners.current;
$("radio-listener-peak").textContent = s.listeners.peak;
if (undefined != s.last_songs) {
$("last-songs").firstChild.remove();
$("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();
for (let i = 0; i < s.last_songs.length; ++i) {
let row = $("last-songs").insertRow();
row.insertCell().appendChild(document.createTextNode(last_played.time));
row.insertCell().appendChild(document.createTextNode(last_played.listeners == 0 ? "" : last_played.listeners));
row.insertCell().appendChild(document.createTextNode(last_played.song)); }); }
row.insertCell().appendChild(document.createTextNode(formatStartAt(new Date(s.last_songs[i].start_at))));
row.insertCell().appendChild(document.createTextNode(s.last_songs[i].listeners == 0 ? "" : s.last_songs[i].listeners));
row.insertCell().appendChild(document.createTextNode(`${s.last_songs[i].artist} - ${s.last_songs[i].title}`));
}
}
return [s.current_song.duration_msec, new Date(s.current_song.start_at)];
}
async function update() {
if (null === cursong_startat)
return false;
const estimate = (new Date()) - (new Date(cursong_startat));
if (estimate >= cursong_duration_msec) {
return false;
}
$("radio-duration-estimate").textContent = `${formatDuration(new Date(estimate))} / `;
return true;
}
$("radio-update").addEventListener("click", async () =>
[cursong_duration_msec, cursong_startat] = await updateStatus());
let update_interval_id = null;
async function interval() {
if (!await update()) {
clearInterval(update_interval_id);
await new Promise(resolve => setTimeout(resolve, 5000));
[cursong_duration_msec, cursong_startat] = await updateStatus();
update_interval_id = setInterval(interval, 1000);
}
}
update_interval_id = setInterval(interval, 1000);
$("radio-update").addEventListener("click", () => update());
setInterval(update, 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);
$("player").style.display = $("player").firstChild.style.display = "flex";