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32 lines
1.1 KiB
JavaScript

function liveplayer (elt) {
var last_timestamp,
DELAY_TIME_SECS = 12;
async function poll () {
var rows = await (await fetch("/cgi-bin/radioimplicancies.cgi")).json();
// console.log("rows", rows);
if (rows) {
// get the last (most recent) item
var d = rows[rows.length-1];
if (d.time && d.time != last_timestamp) {
last_timestamp = d.time;
console.log("liveplayer: current metadata", d);
window.setTimeout(function () {
var old_nowplaying = elt.querySelector(".now_playing");
if (old_nowplaying) {
old_nowplaying.classList.remove("now_playing");
}
var nowplaying = elt.querySelector("#"+d.title);
if (nowplaying) {
console.log("liveplayer: nowplaying", nowplaying);
nowplaying.classList.add("now_playing");
} else {
console.log("liveplayer: warning no div matching title " + d.title);
}
}, DELAY_TIME_SECS*1000);
}
}
}
window.setInterval(poll, 5000);
}