homebridge-musiccast-bnetqc/dist/Cache.js

Homebridge Yamaha MusicCast Multiroom Plugin with precise volume control

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Cache = void 0;
class Cache {
    constructor(log) {
        this.hosts = new Set();
        this.cache = {};
        this.callbacks = {};
        this.lastUserActivity = {};
        this.lastPoweredOn = {};
        this.lastStatusUpdate = {};
        this.updateIntervalPoweredOff = 60 * 1000;
        this.updateIntervalPoweredOn = 10 * 1000;
        this.updateIntervalUserActivity = 1 * 1000;
        this.log = log;
        this.update();
    }
    async update() {
        var promises = [];
        for (var host of this.hosts) {
            const now = new Date().getTime();
            if ((this.lastStatusUpdate[host].getTime() <= (now - this.updateIntervalPoweredOff))
                ||
                    ((this.lastStatusUpdate[host].getTime() <= (now - this.updateIntervalPoweredOn)) && (this.lastPoweredOn[host].getTime() >= (now - this.updateIntervalPoweredOff)))
                ||
                    ((this.lastStatusUpdate[host].getTime() <= (now - this.updateIntervalUserActivity)) && (this.lastUserActivity[host].getTime() >= (now - this.updateIntervalPoweredOn)))) {
                promises.push(this.updateHost(host));
            }
        }
        setTimeout(async () => {
            this.update();
        }, 1000);
        return Promise.all(promises);
    }
    async updateHost(host) {
        this.lastStatusUpdate[host] = new Date();
        if (host in this.callbacks) {
            return this.callbacks[host].callback(...this.callbacks[host].parameters);
        }
    }
    setCallback(host, callback, parameters) {
        this.hosts.add(host);
        this.lastUserActivity[host] = new Date();
        this.lastPoweredOn[host] = new Date();
        this.lastStatusUpdate[host] = new Date();
        return this.callbacks[host] = { callback: callback, parameters: parameters };
    }
    ping(host, poweredOn, userActivity) {
        if (poweredOn) {
            this.lastPoweredOn[host] = new Date();
        }
        if (userActivity) {
            this.lastUserActivity[host] = new Date();
        }
    }
    set(host, key, value) {
        if (!(host in this.cache)) {
            this.cache[host] = {};
        }
        return this.cache[host][key] = value;
    }
    get(host, key) {
        if (host in this.cache && key in this.cache[host]) {
            return this.cache[host][key];
        }
        this.log.error(`cache not found ${host} ${key}`);
    }
}
exports.Cache = Cache;
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