node-red-nodes/social/prowl/57-prowl.js

68 lines
1.9 KiB
JavaScript

/**
* 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.
**/
var RED = require("../../red/red");
var Prowl = require('node-prowl');
var util = require('util');
// Either add a line like this to settings.js
// prowl: {prowlkey:'My-API-KEY'},
// or create pushkey.js in dir ABOVE node-red, it just needs to be like
// module.exports = {prowlkey:'My-API-KEY'}
try {
var pushkey = require("../../settings").prowl || require("../../../pushkey.js");
}
catch(err) {
util.log("[57-prowl.js] Error: Failed to load Prowl credentials");
}
if (pushkey) {
var prowl = new Prowl(pushkey.prowlkey);
}
function ProwlNode(n) {
RED.nodes.createNode(this,n);
this.title = n.title;
this.priority = parseInt(n.priority);
if (this.priority > 2) this.priority = 2;
if (this.priority < -2) this.priority = -2;
var node = this;
this.on("input",function(msg) {
var titl = this.title||msg.topic||"Node-RED";
var pri = msg.priority||this.priority;
if (typeof(msg.payload) == 'object') {
msg.payload = JSON.stringify(msg.payload);
}
if (pushkey) {
try {
prowl.push(msg.payload, titl, { priority: pri }, function(err, remaining) {
if (err) node.error(err);
node.log( remaining + ' calls to Prowl api during current hour.' );
});
}
catch (err) {
node.error(err);
}
}
else {
node.warn("Prowl credentials not set/found. See node info.");
}
});
}
RED.nodes.registerType("prowl",ProwlNode);