locationService.js

angular.module('myapp.services', [])
.service('LocationService', function ($cordovaGeolocation) {
    return {
      askLocationPermission: function (successCallback, errorCallback) {
        var permissions = cordova.plugins.permissions; // could not find a better way to access cordova; it's not in $window

        permissions.requestPermission(permissions.ACCESS_COARSE_LOCATION, successCallback, errorCallback);
      }
      getCoords: function () {
        // omitted for brevity 
      };
  })