Modify Google Maps with Callrail numbers

callrailGoogleMaps.js

var callrailGoogleMaps = {
  getNumbers: function() {
    var self = this;
    window.CallTrk.getSwapNumbers(null, function(nums) {
      self.swapNumbers(nums);
    });
  },
  getMapPoints: function() {
    if (mapping !== undefined) {
      return mapping.mapPoint.alllocmap.points;
    }
    return [];
  },
  swapNumbers: function(nums) {
    this.getMapPoints().forEach(function(p) {
      var n = Number(p.appointments.replace(/-/g, ''));
      if (nums[n] !== undefined) {
        var fmtd = (nums[n] + "").replace(/(\d{3})(\d{3})(\d{4})/, '$1-$2-$3');
        p.appointments = fmtd;
      }

    });
    this.reloadMap();
  },
  reloadMap: function() {
    mapping.load()
  },
  init: function() {
    var self = this;
    if (window.mapping === undefined || window.CallTrk === undefined) {
      setTimeout(function() {
        self.init();
      }, 500)
    } else {
      this.getNumbers();
    }
  }
};

callrailGoogleMaps.init();