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node_helper.js
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node_helper.js
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/* Magic Mirror
* Node Helper: MMM-TransantiagoCL-Paraderos
*
* By Rodrigo Ramìrez Norambuena https://rodrigoramirez.com
* MIT Licensed.
*/
var express = require("express");
var NodeHelper = require("node_helper");
var request = require("request");
var url = require("url");
var async = require("async");
module.exports = NodeHelper.create({
// Override start method.
start: function() {
var self = this;
console.log("Starting node helper for: " + this.name);
this.setConfig();
this.extraRoutes();
},
setConfig: function() {
this.config = {};
this.apiUrlBase = "http://paraderos.cl/paraderos/paradero";
},
// Override socketNotificationReceived method.
socketNotificationReceived: function(notification, payload) {
},
// create routes for module manager.
// recive request and send response
extraRoutes: function() {
var self = this;
this.expressApp.get("/MMM-TransantiagoCL-Paraderos/data", function(req, res) {
self.getData(req, res);
});
},
// return data about paraderos in JSON format.
getData: function(req, res) {
var self = this;
busStops = req.query["busStop"];
if (typeof busStops === "undefined") {
res.send({});
return false;
}
var urlBusStopInformation = busStops.map(function (bustop) {
return self.apiUrlBase + ":" + bustop + ".json";
});
var dataInfo = async.map(urlBusStopInformation, this.httpGet, function (err, r) {
if (err) {
return console.log(err);
}
res.send(r);
});
},
httpGet: function(url, callback) {
// include NodeJs and Magicmirror Version. Url of MagicMirror project
nodeVersion = Number(process.version.match(/^v(\d+\.\d+)/)[1]);
headers = {"User-Agent": "Mozilla/5.0 (Node.js "+ nodeVersion + ") MagicMirror/" + global.version + " (https://github.com/MichMich/MagicMirror/)"}
const options = {
url: url,
json: true,
headers: headers
};
request(options,
function(err, res, body) {
callback(err, body);
}
);
},
});