application.js

import Ember from 'ember';
import { A } from "@ember/array"

const { computed } = Ember;



export default Ember.Controller.extend({
  mongoData: {},
  randomVariable: 111,
  locArray : [],
  addressQuery: 'SF, Lafayette Park',
  addressQueryInput: computed.reads('addressQuery'),
  routeColor: 'red',
  showingAllPolylineCoords: true,

  customOptions: computed(function() {
    if (google) {
      return { mapTypeId: google.maps.MapTypeId.TERRAIN };
    }
  }),

  actions: {
    refresh() {
      this.set('randomVariable', Math.floor(Math.random() * 1000));
    }
    pullMongoDBData() {
      this.getCityCoords_(['Paris', 'Lille', 'Lyon', 'Bordeaux', 'Brest'], this);
    }
  },
  getCityCoords_ : (cityName, this_) => {
    console.log('input : ' + cityName)
    cityName.forEach( (city) => {
      Ember.$.get('https://maps.googleapis.com/maps/api/geocode/json?address=' + city + '&key=XXXXXX', (result) => {
        let myLocation = result.results[0].geometry.location;
        this_.locArray.push(myLocation);
      });
    });
    console.log('this.locArray : ' + (this_.get('locArray')));
    this.set('locArray', (this_get('locArray')));
  }
});