// Kolejność wywołania metod:
// PostComponent.vote => VoteService.voteOnPost => VoteService.vote
// czyli w sumie od góry do dołu



export class PostsComponent implements OnInit {
  async vote(id: string) {
    const post = this.posts.find(value => value.id === id);
    const index = this.posts.indexOf(post);
    const votes = await VoteService.voteOnPost(this.http, id)
      .then(value => {
        return value;
      });
    console.log(votes);
    console.log(votes.votes);
    this.posts[index] = post;
  }
}



export class VoteService {
 static voteOnPost(http: HttpClient, id: string) {
    return this.vote(http, 'post', id).then(value => {return value});
  }


  private static async vote(http: HttpClient, onWhat: string, id: string) {
    const resp: any = new Post();
    await http.get("http://localhost:8080/vote/" + onWhat + "/" + id,
      {headers: {'Authorization': localStorage.getItem('Authorization')}})
      .subscribe(
        (response: number) => resp.votes = response,
        error => console.log(error));
    return resp;
  }
}