SaveAndFilter.js

export default (request) => { 
  const kvstore = require('kvstore'); 
  const xhr = require('xhr'); 
  const pubnub = require('pubnub'); 
  const {location, id} = JSON.parse(request.message); 
  var people = []; 

  kvstore.set(id, {lat: location.lat, long: location.long}); 
  kvstore.getKeys().then((keys) => { 
    for(var i=0; i<keys.length;i++){ 
      if(keys[i] != id){ 
        people.push(keys[i]); 
      } 
    } 
    pubnub.publish({ "message": people, "channel": id }).then(); 
  }); 
  return request.ok(); 
}