constructor(api: ApiService, config: Configuration) {
     api.getUser(config.userId).then(user => this.user = user)
   
 }

    constructor(api: ApiService, config: Configuration) {

        api.getPosts(config.userId)
            .then(posts => this.posts = posts);
    }

 activate(params: any) {
     return this.api.getAlbum(Number(params.id))
         .then(album => this.album = album)
         .then(album => this.api.getPhotos(album))
         .then(photos => this.photos = photos);
     
 }

    submit(event: Event): void {

        let button = event.srcElement;
        button.setAttribute("disabled", "disabled");

        let comment: Comment = {
            body: this.comment,
            email: this.email,
            name: this.name,
            postId: this.postId,
            id: 0
        };
        let evt = DOM.createCustomEvent('save', { bubbles: true, detail: comment });

        this.api.saveComment(comment)
            .then(_ => this.element.dispatchEvent(evt))
            .then(_ => this.reset())
            .then(_ => button.removeAttribute("disabled"));

        
    }

 activate(params: Params, routeConfig: RouteConfig, navigationInstruction: NavigationInstruction) {
     this.api.getPost(Number(params.id))
         .then(post => this.post = post);
     this.api.getComments(Number(params.id))
         .then(comments => this.comments = comments);
 }

 activate() {
     return this.api.getAlbums(this.userId)
         .then(albums => this.albums = albums);
 }

 .then(album => this.api.getPhotos(album))