Movies Service #angularjs #medium #article-hierarchical-di-ng

article-hierarchical-di-ng-movies-service.ts

class MoviesService {
  static $inject = ['$http', 'auth'];
  
  movies = Promise.resolve([]);
  
  constructor(
    private $http: IHttpService,
    private auth: AuthService,
  ) {}
  
  getMovies() {
    if (_.isNil(this.movies)) {
      this.movies = this.auth.getToken()
        .then((token) => {
          return $http.get('my-site.example.com/movies', {
            headers: {
              Authorization: token,
            },
          });
        });
    }
    return this.movies;
  }
}

moviesApp.service('movies', MoviesService);