roon-discord_rpc.js

gistfile1.txt

const RoonApi = require("node-roon-api"),
    RoonApiStatus = require("node-roon-api-status"),
    RoonApiTransport = require('node-roon-api-transport');

const client = require('discord-rich-presence')('604340186326761512');

var core;
var zones;

var roon = new RoonApi({
    extension_id: 'discord_rpc.purpl3F0x.com',
    display_name: "Discord RPC",
    display_version: "0.0.1",
    publisher: 'Stavros Avramidis',
    email: 'stavros9899@gmail.com',
    website: '',
    log_level: 'none',

    core_paired: function (core_) {
        current_zone_id = roon.load_config("current_zone_id");
        core = core_;
        core.services.RoonApiTransport.subscribe_zones((response, msg) => {
            if (response == "Subscribed") {
                let zones_ = msg.zones.reduce((p, e) => (p[e.zone_id] = e) && p, {});
                zones = zones_;
            } else if (response == "Changed") {
                var z;
                if (msg.zones_seek_changed) sendState(msg.zones_seek_changed[0]);
                if (msg.zones_removed) msg.zones_removed.forEach(e => delete (zones[e.zone_id]));
                if (msg.zones_added) msg.zones_added.forEach(e => zones[e.zone_id] = e);
                if (msg.zones_changed){msg.zones_changed.forEach(e => zones[e.zone_id] = e); sendState(msg.zones_changed[0], true);};
                zones = zones;
            }
        });

    },
    core_unpaired: function (core_) {
        core = undefined;
    }
});


var svc_status = new RoonApiStatus(roon);
roon.init_services({
    required_services: [RoonApiTransport],
    provided_services: [svc_status,]
});

svc_status.set_status("Extension enabled", false);


roon.start_discovery();


function sendState(msg, isPaused = false) {
    this.last_title;

    if (zones[msg['zone_id']]["now_playing"] && (this.last_title != zones[msg['zone_id']]["now_playing"]["one_line"]['line1'] || isPaused)) {
        if (!isPaused){
            this.last_title = zones[msg['zone_id']]["now_playing"]["one_line"]['line1'];

            client.updatePresence({
                state: zones[msg['zone_id']]["now_playing"]["two_line"]['line2'].substring(0, 127),
                details: zones[msg['zone_id']]["now_playing"]["two_line"]['line1'].substring(0, 127),
                startTimestamp: Date.now() - zones[msg['zone_id']]["now_playing"]['seek_position'] * 1000,
                endTimestamp: Date.now() + (zones[msg['zone_id']]["now_playing"]["length"] - zones[msg['zone_id']]["now_playing"]['seek_position']) * 1000,
                largeImageKey: 'roon_logo',
                instance: true
            });
        }else {
            this.last_title = "";
            client.updatePresence({
                state:  zones[msg['zone_id']]["now_playing"]["two_line"]['line2'].substring(0, 127),
                details: "(Paused) " + zones[msg['zone_id']]["now_playing"]["two_line"]['line1'].substring(0, 127),
                largeImageKey: 'roon_logo',
                smallImageKey: 'pause',
                instance: true
            });
        }
    }
}