(function() {

angular.module('Navigation')
  .service('$sidenav', ['$mdSidenav', function($mdSidenav) {
    this.toggle = function() {
      $mdSidenav('left').toggle();
    };

    this.open = function() {
      $mdSidenav('left').open();
    };

    this.close = function() {
      $mdSidenav('left').close();
    };
  }])

}).call(this);