90 lines
2.9 KiB
JavaScript
90 lines
2.9 KiB
JavaScript
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module.exports = function(RED) {
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"use strict";
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var Pusher = require('pusher');
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var PusherClient = require('pusher-client');
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//node for subscribing to an event/channel
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function PusherNode(n) {
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RED.nodes.createNode(this,n);
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this.channel = n.channel;
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this.eventname = n.eventname;
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this.cluster = n.cluster || "mt1";
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var node = this;
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var credentials = this.credentials;
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if ((credentials) && (credentials.hasOwnProperty("pusherappkeysub"))) {
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node.appkey = credentials.pusherappkeysub;
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}
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else { this.error("No Pusher app key set for input node"); }
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//create a subscription to the channel and event defined by user
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var socket = new PusherClient(''+node.appkey, {cluster:node.cluster, encrypted:true});
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var chan = socket.subscribe(''+node.channel);
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chan.bind(''+node.eventname,
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function(data) {
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var msg = {topic:node.eventname, channel:node.channel};
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if (data.hasOwnProperty("payload")) { msg.payload = data.payload; }
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else { msg.payload = data; }
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node.send(msg);
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}
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);
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node.on("close", function() {
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socket.disconnect();
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});
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}
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//Node for sending Pusher events
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function PusherNodeSend(n) {
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// Create a RED node
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RED.nodes.createNode(this,n);
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var node = this;
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var credentials = this.credentials;
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if ((credentials) && (credentials.hasOwnProperty("pusherappid"))) { this.appid = credentials.pusherappid; }
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else { this.error("No Pusher api token set"); }
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if ((credentials) && (credentials.hasOwnProperty("pusherappsecret"))) { this.appsecret = credentials.pusherappsecret; }
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else { this.error("No Pusher user secret set"); }
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if ((credentials) && (credentials.hasOwnProperty("pusherappkey"))) { this.appkey = credentials.pusherappkey; }
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else { this.error("No Pusher user key set"); }
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//get parameters from user
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this.channel = n.channel;
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this.eventname = n.eventname;
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this.cluster = n.cluster || "mt1";
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var pusherd = new Pusher({
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appId: this.appid,
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key: this.appkey,
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secret: this.appsecret,
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cluster: this.cluster
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});
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node.on("input", function(msg) {
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pusherd.trigger(this.channel, this.eventname, {
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"payload": msg.payload
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});
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});
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node.on("close", function() {
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});
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}
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RED.nodes.registerType("pusher in",PusherNode,{
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credentials: {
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pusherappkeysub: "text"
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}
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});
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RED.nodes.registerType("pusher out",PusherNodeSend,{
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credentials: {
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pusherappid: {type:"text"},
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pusherappkey: {type:"text"},
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pusherappsecret: {type:"password"}
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},
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encrypted: true
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});
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}
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