taurus-tv/src/app/app.component.ts

import {Component, OnDestroy, OnInit} from '@angular/core';
import {Subscription} from "rxjs/Subscription";
import {TimerObservable} from "rxjs/observable/TimerObservable";

import {KanbanService} from "./kanban/shared/kanban.service";

const RENEW_TIMER_INITIAL = 300000;
const RENEW_TIMER_PERIOD = 300000;

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit, OnDestroy{
  title = 'app';
  authRenewTimer: Subscription;

  constructor( private kanbanService: KanbanService ) {}

  public ngOnInit() {
    let timer = TimerObservable.create(RENEW_TIMER_INITIAL, RENEW_TIMER_PERIOD);
    this.authRenewTimer = timer.subscribe(() => {
        this.kanbanService.reload();
    });
  }

  public ngOnDestroy() {
    this.authRenewTimer.unsubscribe();
  }
}