generator.service.ts

import { Injectable } from '@angular/core';
import {HttpClient, HttpResponse} from '@angular/common/http';
import {GeneratorObject, GeneratorState} from '../generator-object';
import {LoginService} from './login.service';

@Injectable({
  providedIn: 'root'
})
export class GeneratorService {

  constructor(private http: HttpClient, private login: LoginService) { }

  getGenerators(token: string): Promise<Array<GeneratorObject>> {
    return new Promise<Array<GeneratorObject>>((resolve, reject) => {
      this.http.get('http://sd5-backend.engr.uconn.edu/user/generators', {
        headers: {
          Authorization: 'Bearer ' + token
        }
      }).subscribe(async (raw_generators: Array<GeneratorObject>) => {
        const generators: Array<GeneratorObject> = [];
        for (const generator of raw_generators) {
          await this.getGeneratorStatus(generator.gen_id, token).then((state: GeneratorState) => {
            generator.state = state;
            generators.push(generator);
          }, (error) => {
            reject(error);
          });
        }
        resolve(generators);
      }, (error) => {
        reject(error);
      });
    });
  }

  getGeneratorStatus(gen_id: number, token: string): Promise<GeneratorState> {
    return new Promise<GeneratorState>((resolve, reject) => {
      this.http.get('http://sd5-backend.engr.uconn.edu/generator/' + gen_id + '/status', {
        headers: {
          Authorization: 'Bearer ' + token
        }
      }).subscribe((state: GeneratorState) => {
        resolve(state);
      }, (error) => {
        reject(error);
      });
    });
  }

}