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bauke-xyz/source/js/listenbrainz.js

91 lines
2.2 KiB
JavaScript

window.addEventListener('DOMContentLoaded', async () => {
const loop = async () => {
const listen = await getCurrentListen();
if (listen === undefined) {
return;
}
let image;
try {
image = await getCoverArt(listen);
} catch (error) {
console.warn(error);
}
insertHtml(listen, image);
};
await loop();
setInterval(loop, 5 * 60 * 1000);
});
async function getCoverArt(listen) {
const releaseMbid = listen.track_metadata.additional_info?.release_mbid;
if (releaseMbid === undefined) {
return;
}
const result = await window.fetch(`https://coverartarchive.org/release/${releaseMbid}`, {
headers: {
Accept: 'application/json',
},
});
if (!result.ok) {
return;
}
const data = await result.json();
if (data.images[0]?.thumbnails === undefined) {
return;
}
const thumbnails = data.images[0].thumbnails;
return thumbnails.small ?? thumbnails['250'] ?? thumbnails['500'] ?? undefined;
}
async function getCurrentListen() {
const result = await window.fetch('https://api.listenbrainz.org/1/user/BaukeXYZ/playing-now');
if (!result.ok) {
console.warn(result.status);
return;
}
const data = await result.json();
if (data.payload.listens.length === 0) {
return;
}
return data.payload.listens[0];
}
function insertHtml(listen, image) {
if (listen === undefined) {
return;
}
const existing = document.querySelector('.listenbrainz') ?? undefined;
if (existing !== undefined) {
existing.previousElementSibling.remove();
existing.remove();
}
const text = `${listen.track_metadata.artist_name} - ${listen.track_metadata.track_name}`;
const alt = image === undefined ? 'ListenBrainz Logo' : `${text} Cover Art`;
image = image ?? 'https://listenbrainz.org/static/img/logo_big.svg';
image = image.startsWith('http://') ? 'https' + image.slice(4) : image;
const listenHtml = `
<div class="divider"></div>
<p class="listenbrainz">
<img alt="${alt}" title="${alt}" src="${image}">
<span class="byline">Currently listening to</span>
<a href="https://listenbrainz.org/user/BaukeXYZ/" target="_blank">
${text}
</a>
</p>`;
document.querySelector('.page-main').insertAdjacentHTML('beforeend', listenHtml);
}