node-red-nodes/social/dweetio/55-dweetio.js

76 lines
2.4 KiB
JavaScript

/**
* Copyright 2014 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 DweetClient = require("node-dweetio");
var dweetio = null;
function DweetioOutNode(n) {
RED.nodes.createNode(this,n);
this.thing = n.thing;
if (dweetio == null) { dweetio = new DweetClient(); }
var node = this;
var isObject = function(a) {
return (!!a) && (a.constructor === Object);
};
this.on("input",function(msg) {
if (!isObject(msg.payload)) {
msg.payload = {payload:msg.payload};
}
var thing = node.thing || msg.thing;
try {
dweetio.dweet_for(thing, msg.payload, function(err, dweet) {
//console.log(dweet.thing); // "my-thing"
//console.log(dweet.content); // The content of the dweet
//console.log(dweet.created); // The create date of the dweet
});
}
catch (err) {
node.log(err);
}
});
}
RED.nodes.registerType("dweetio out",DweetioOutNode);
function DweetioInNode(n) {
RED.nodes.createNode(this,n);
this.thing = n.thing;
if (dweetio == null) { dweetio = new DweetClient(); }
var node = this;
dweetio.listen_for(node.thing, function(dweet) {
// This will be called anytime there is a new dweet for my-thing
if (dweet.content.hasOwnProperty("payload")) {
dweet.payload = dweet.content.payload;
} else {
dweet.payload = dweet.content;
}
delete dweet.content;
node.send(dweet);
});
this.on("close", function() {
dweetio.stop_listening_for(node.thing);
});
}
RED.nodes.registerType("dweetio in",DweetioInNode);
}