index.js

#!/usr/bin/env node
'use strict';

//shellscript will allow us to make the shell command 'curl'
var shellscript = require('shellscript').globalize();


//hard-coded HR ips. We will add ips to this as we cast our votes from them
var offLimitIps = ['173.247.199.46', '199.87.82.66', '50.250.208.114'];


var checkIfICanVote = function(){
  
  var searchQuery = process.argv[2];
  if( !searchQuery ){
    console.log('Please pass in an article name to follow');
    console.log('Example:');
    console.log('hn-love "An Awesome Article"');
    return;
  }


  searchQuery = process.argv[2].split(' ').join('+');
  var hackerNewsGoogleLink = 'https://google.com/search?q=hacker+news+' + searchQuery;

  //a call to this website will give us a text version of our public facing ip.
  //it has a trailing white space we have to get rid of
  var publicIp = $('curl "icanhazip.com" -s').slice(0, -1);

  //if we do not have wifi
  if( publicIp.length === 0 ){
    return;
  }

  var canVote = true;
  for(var i = 0; i < offLimitIps.length; i++){
    var offLimitIp = offLimitIps[i];
    if( offLimitIp === publicIp ){
      canVote = false;
      break;
    }
  }

  if( canVote ){
    shell('open ' + hackerNewsGoogleLink);
  }

};

module.exports = function(){
  console.log('hn-love is now running and will open HN for you when you are able to vote.....');
  setInterval(checkIfICanVote, 7000);
}();