106 lines
3.0 KiB
JavaScript
106 lines
3.0 KiB
JavaScript
const plex = require("./plex");
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const logger = require("./logging")
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const config = require("../config/configuration");
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const lastPlaying = {};
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const lastScrobbleTimes = {};
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async function poll() {
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const now = Date.now();
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const playing = [];
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try {
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const data = await plex.getCurrentlyPlaying();
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playing.push.apply(playing, data);
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} catch (ex) {
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logger.error(ex, "Could not fetch currently playing data from Plex.");
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return;
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}
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for (let current of playing) {
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const previous = lastPlaying[current.sessionKey];
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lastPlaying[current.sessionKey] = current;
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if (previous == null) {
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continue;
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}
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let filters = [];
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if (previous.source == 'plex')
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filters = config.scrobble.plex.filters;
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if (!applyFilter(previous, filters)) {
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logger.debug(previous, 'No filters got triggered. Ignoring.');
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continue;
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}
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if (!previous) {
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logger.info(current, "A new session has started.");
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} else {
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if (checkIfCanScrobble(current, previous, now)) {
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logger.info(previous, "Scrobble");
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lastScrobbleTimes[previous.mediaKey] = now;
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}
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}
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}
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// Scrobble then remove lingering sessions
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for (let key in lastPlaying) {
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if (!playing.some(p => p.sessionKey == key)) {
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const track = lastPlaying[key];
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if (checkIfCanScrobble(null, track, now)) {
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logger.info(track, "Scrobble");
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lastScrobbleTimes[track.mediaKey] = now;
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}
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delete lastPlaying[key];
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logger.debug("Deleted old session.", key);
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}
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}
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}
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function applyFilter(track, filters) {
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if (!filters)
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return;
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for (let filter of filters) {
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if (filter.library && !filter.library.some(l => l == track.library))
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continue;
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if (filter.ip && !filter.ip.some(l => l == track.ip))
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continue;
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if (filter.deviceId && !filter.deviceId.some(l => l == track.deviceId))
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continue;
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if (filter.platform && !filter.platform.some(l => l == track.platform))
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continue;
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if (filter.product && !filter.product.some(l => l == track.product))
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continue;
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return true;
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}
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return false;
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}
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function checkIfCanScrobble(current, last, now) {
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if (!last)
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return;
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const scrobbleDuration = isInt(config.scrobble.minimum.duration) ? Number(config.scrobble.minimum.duration) : 30;
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const scrobblePercent = isInt(config.scrobble.minimum.percent) ? Number(config.scrobble.minimum.percent) : 30;
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if (last) {
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const newPlayback = current == null || current.playtime < last.playtime;
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const canBeScrobbled = last.playtime > scrobbleDuration * 1000 || last.playtime / last.duration > scrobblePercent;
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if (newPlayback && canBeScrobbled) {
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const sameSong = current != null && current.mediaKey == last.mediaKey;
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const lastTime = lastScrobbleTimes[last.mediaKey];
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return !sameSong || !lastTime || now - lastTime > scrobbleDuration;
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}
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}
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return false;
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}
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function isInt(value) {
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return !isNaN(value) &&
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parseInt(Number(value)) == value &&
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!isNaN(parseInt(value, 10));
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}
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module.exports = poll; |