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node-red-nodes/hardware/wemo/60-wemo.js

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/**
* Copyright 2013 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
module.exports = function(RED) {
"use strict";
var Wemo = require('wemo');
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function WemoOut(n) {
RED.nodes.createNode(this,n);
this.ipaddr = n.ipaddr;
this.wemoSwitch = new Wemo(n.ipaddr);
var node = this;
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this.on("input", function(msg) {
if (msg != null) {
var state = 0;
if ( msg.payload == 1 || msg.payload === true || msg.payload == "on" ) { state = 1; }
node.wemoSwitch.setBinaryState(state, function(err, result) {
if (err) { node.warn(err); }
//else { node.log(result); }
});
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}
});
}
RED.nodes.registerType("wemo out",WemoOut);
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function WemoIn(n) {
RED.nodes.createNode(this,n);
this.ipaddr = n.ipaddr;
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this.wemoSwitch = new Wemo(n.ipaddr);
this.wemoSwitch.state = 0;
var node = this;
var tick = setInterval(function() {
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node.wemoSwitch.getBinaryState(function(err, result) {
if (err) { node.warn(err); }
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if (parseInt(result) != node.wemoSwitch.state) {
node.wemoSwitch.state = parseInt(result);
node.send({payload:node.wemoSwitch.state,topic:"wemo/"+node.ipaddr});
}
});
}, 2000);
this.on("close", function() {
clearInterval(tick);
});
}
RED.nodes.registerType("wemo in",WemoIn);
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}