mirror of
https://github.com/nicolabs/musiccast-repairkit.git
synced 2026-05-21 03:10:03 +02:00
67 lines
2.2 KiB
JavaScript
67 lines
2.2 KiB
JavaScript
const log = require('../logging');
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const YamahaYXC = require('yamaha-yxc-nodejs');
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module.exports = class Scenario {
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/**
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Expects a configuration in the form :
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{
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"source": <hostname/ip of the MusicCast device to listen to standby status changes>,
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"target": [ <list of hostname/ip of the MC devices to put on/off following the source device status> ]
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E.g. { "source": "192.168.1.42", "target": [ "192.168.1.43", "192.168.1.44" ] }
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*/
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constructor( configuration ) {
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// Instanciates the source device and enrich with technical infos
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var source = new YamahaYXC(configuration.source);
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source.getDeviceInfo().
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then( result => {
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source.deviceInfo = JSON.parse(result);
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log.debug("Source : %s",source);
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}
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);
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this.source = source;
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// Instanciates the target devices
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this.targets = [];
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if ( Array.isArray(configuration.target) ) {
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for ( var t=0 ; t<configuration.target.length ; t++ ) {
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this.targets.push( new YamahaYXC(configuration.target[t]) );
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}
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} else {
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// We allow 'configuration.target' to be a string if only one value is given
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this.targets.push( new YamahaYXC(configuration.target) );
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}
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log.debug("Targets : %s",this.targets);
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}
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/**
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Puts off target devices when the source one goes off/standby.
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Puts on target devices when the source one goes on.
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E.g. event = { main: { power: "standby" }, device_id: 'AC44F2852577' }
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*/
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onEvent( event ) {
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// Filters out events
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if ( !event.main || typeof event.main.power == 'undefined' ) {
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return;
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}
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// It seems that a device may report for another, linked one => we filter out those events
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if ( typeof event.device_id != undefined && event.device_id != this.source.deviceInfo.device_id ) {
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return;
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}
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log.info("<<< Received power change event : %j", event);
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for ( var t=0 ; t<this.targets.length ; t++ ) {
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// Here we use YamahaYXC's API to implement our behaviour
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log.info(">>> Sending power '%s' to %s", event.main.power, this.targets[t].ip );
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// Possible values for 'power' are : 'on' or 'standby' (see https://github.com/foxthefox/yamaha-yxc-nodejs)
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this.targets[t].power(event.main.power);
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}
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}
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}
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