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index.js
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"use strict";
/**
* Ronaldo Barbachano
* 2018
*
* Node backend passes off various files and
* queries feed to store in memory
*
* NO DATABASE IS USED
*/
var http = require('http');
var fs = require('fs');
var request = require('request');
var rootUrl = process.env.URL || "http://localhost:3000";
var PORT = process.env.PORT || 3000;
var moves = {}
var eQuake = {};
var sQuake = {};
var eQuake2 = {};
var sQuake2 = {};
var eggJSON = undefined;
// variable to get another egg reading ... in the past
var eggJSONPrev = {};
setInterval(queryEgg,1000)
function queryEgg(seconds){
if(typeof seconds == 'undefined'){
seconds = 1
}
var today = new Date();
var thePast = new Date();
thePast.setSeconds(today.getSeconds() - seconds);
var endpoint = "http://www.global-mind.org/cgi-bin/eggdatareq.pl?z=1&year=" +
(thePast.getYear() + 1900) +
"&month=" + (thePast.getMonth() + 1) +
"&day=" + thePast.getDate() +
"&stime=" + thePast.getHours() +
":" + thePast.getMinutes() +
":" + thePast.getSeconds() +
"&etime=" + today.getHours() +
":" + today.getMinutes() +
":" + today.getSeconds() +
"&gzip=no";
var response = {};
response.data = [];
request(endpoint, function(error, response, body) {
if (!error && response.statusCode == 200) {
body = body.split('\n');
//console.log(body);
var row = {};
row.data = {};
var keys = [];
body.filter(function(o, rowIndex) {
o = o.split(',');
if (o[0] == "12") {
// gm time these are tthe indexes
// remove first three
o.shift();
o.shift();
o.shift();
keys = o;
} else if (o[0] == "13") {
o.shift();
var time = o[0];
o.shift();
o.shift();
o.filter(function(innerO, innerIndex) {
if (innerO != '') {
row.data[keys[innerIndex]] = parseInt(innerO);
} else {
row.data[keys[innerIndex]] = '';
}
})
// match o to keys
} else if (o[0] == "11") {
// eggs reporting
if (o[1] == '1') {
row.eggs_reporting = o[2];
} else if (o[1] == '2') {
row.start_time = parseInt(o[2]);
} else if (o[1] == '3') {
row.end_time = parseInt(o[2]);
} else if (o[1] == '4') {
row.seconds_of_data = parseInt(o[2]);
}
} else if (o[0] == "10") {
if (o[1] == "1") {
row.samples_per_record = parseInt(o[2]);
} else if (o[1] == "2") {
row.seconds_per_record = parseInt(o[2]);
} else if (o[1] == "3") {
row.records_per_packet = parseInt(o[2]);
} else if (o[1] == "4") {
row.trial_size = parseInt(o[2]);
}
}
}.bind(this));
if(seconds === 1){
eggJSON = JSON.stringify(row.data)
}else{
// convert seconds to string
var secCheck = seconds.toString()
console.log('second variable')
if(typeof eggJSONPrev[secCheck] == 'undefined'){
eggJSONPrev[secCheck] = ''
}
eggJSONPrev[secCheck] = JSON.stringify(row.data)
}
}
});
}
function getQuake() {
request("http://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/all_hour.csv", function(error, response, body) {
if (!error && response.statusCode == 200) {
body = body.split('\n');
var keys = body[0].split(',');
body.filter(function(a, i) {
if (i > 0) {
var row = {};
a.split(',').filter(function(o, x) {
// parse rows
if (x == 0 || keys[x] == "updated") {
// parse date, unix timestamp convert?
if (typeof o != "undefined" && o && o != '') {
row[keys[x]] = new Date(o).getTime();
}
} else if (x > 0 && x < 5 && x != 5 || (x > 5 && x < 10) || (x > 15 && x < 20)) {
row[keys[x]] = parseFloat(o);
} else {
row[keys[x]] = o;
}
}.bind(this));
if (typeof row['id'] != "undefined") {
eQuake[row['id']] = row;
sQuake[row['time']] = {
mag: row.mag,
dept: row.depth,
rms: row.rms,
lat: row.latitude,
lng: row.longitude
};
}
}
}.bind(this));
}
});
};
function getQuake30() {
request("https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/all_day.csv", function(error, response, body) {
if (!error && response.statusCode == 200) {
body = body.split('\n');
var keys = body[0].split(',');
body.filter(function(a, i) {
if (i > 0) {
var row = {};
a.split(',').filter(function(o, x) {
// parse rows
if (x == 0 || keys[x] == "updated") {
// parse date, unix timestamp convert?
if (typeof o != "undefined" && o && o != '') {
row[keys[x]] = new Date(o).getTime();
}
} else if (x > 0 && x < 5 && x != 5 || (x > 5 && x < 10) || (x > 15 && x < 20)) {
row[keys[x]] = parseFloat(o);
} else {
row[keys[x]] = o;
}
}.bind(this));
//console.log(row);
if (typeof row['id'] != "undefined") {
eQuake2[row['id']] = row;
sQuake2[row['time']] = {
mag: row.mag,
dept: row.depth,
rms: row.rms,
lat: row.latitude,
lng: row.longitude
};
}
}
}.bind(this));
}
});
};
/**
* handles inbound requests
* if 'code' is provided, redeem code for accessToken and log it to the console
* otherwise, redirect to the Moves auth URL
**/
function handleRequest(req, res) {
var authCodeRegex = /code=(.*)&.*/gi;
var accessTokenRegex = /token=(.*)&.*/gi;
var urlMatch = authCodeRegex.exec(req.url)
//console.log(req.url);
if (req.url == '/favicon.ico') {
res.end();
} else if (req.url == "/eegMarkers") {
// request xml file on server .. or locally probably
fs.readFile('markers.json', "binary", function(err, file) {
if (err) {
res.writeHead(500, {
"Content-Type": "text/plain"
});
res.write(err + "\n");
res.end();
return;
} else {
console.log("NO ERROR");
}
res.setHeader('Content-Type', 'application/json');
res.write(JSON.parse(file));
res.end();
});
} else if (req.url == '/inactiveEgg'){
var markers = []
markers=JSON.parse(fs.readFileSync('eegSites.json', 'utf8'));
var inactive = [];
var all = [];
var active = [];
res.setHeader('Content-Type', 'application/json');
for(var key in markers){
all.push(parseInt(markers[key].id.split('-')[0]))
}
if(typeof eggJSON != 'undefined' && eggJSON.length > 0){
var parsed=JSON.parse(eggJSON)
for(var key in parsed){
var id = parseInt(key)
if(active.indexOf(key) == -1){
active.push(parseInt(key));
}
}
all.filter(function(a){
if(active.indexOf(a) == -1){
inactive.push(a);
}
})
if(inactive.length > 0){
res.write(JSON.stringify(inactive));
}else{
res.write(false);
}
}else{
res.write(false);
}
res.end();
}else if (req.url == "/eegData") {
res.setHeader('Content-Type', 'application/json');
res.write((typeof eggJSON != 'undefined' ? eggJSON : 'false'))
res.end()
} else if (req.url == "/eegDataPrev24") {
// 24 hour data ... can support more 'past live values'
// 1 month ago? 1 year ago?
res.setHeader('Content-Type', 'application/json');
res.write((typeof eggJSONPrev != 'undefined' ? eggJSONPrev['86400'] : 'false'))
res.end()
}else if (req.url == "/quake") {
res.setHeader('Content-Type', 'application/json');
getQuake();
if (sQuake != '') {
res.write(JSON.stringify(sQuake));
res.end();
}
} else if (req.url == "/quake30") {
res.setHeader('Content-Type', 'application/json');
getQuake30();
if (sQuake != '') {
res.write(JSON.stringify(sQuake2));
res.end();
}
}else if(req.url == '/chakras'){
var filename = "c.json";
fs.readFile(filename, "binary", function(err, file) {
if (err) {
res.writeHead(500, {
"Content-Type": "application/json"
});
res.write(err + "\n");
res.end();
return;
}
res.writeHead(200);
res.write(file, "binary");
res.end();
});
}else if(req.url == '/eegSites'){
var filename = "eegSites.json";
fs.readFile(filename, "binary", function(err, file) {
if (err) {
res.writeHead(500, {
"Content-Type": "application/json"
});
res.write(err + "\n");
res.end();
return;
}
res.writeHead(200);
res.write(file, "binary");
res.end();
});
}else if(req.url == '/main.css'){
var filename = "main.css";
fs.readFile(filename, "binary", function(err, file) {
if (err) {
res.writeHead(500, {
"Content-Type": "application/json"
});
res.write(err + "\n");
res.end();
return;
}
res.writeHead(200,{ "Content-Type": "text/css" });
res.write(file, "binary");
res.end();
});
} else {
// public access
var token = req.url.split("/");
var filename = "main.html";
if(token[1] == 'min'){
filename = "minimal.html";
}else if(token[1] == 'min_arc'){
filename = "minimal_arc.html"
}else if(token[1] == 'audio'){
filename = "audio.html"
}
fs.readFile(filename, "utf8", function(err, file) {
if (err) {
res.writeHead(500, {
"Content-Type": "text/plain"
});
res.write(err + "\n");
res.end();
return;
}
res.writeHead(200);
res.write(file, "binary");
res.end();
});
}
}
//Create a server
var server = http.createServer(handleRequest);
//Lets start our server
server.listen(PORT, function() {
console.log("Visit " + rootUrl + (PORT != 80 ? '' : PORT) + " to connect to reMoveTrail");
});