header.component.ts

import { Component, OnInit } from '@angular/core';
import { Router } from '@angular/router';
import {LoginService} from '../services/login.service';

@Component({
  selector: 'app-header',
  templateUrl: './header.component.html',
  styleUrls: ['./header.component.css']
})
export class HeaderComponent implements OnInit {

  constructor(private router: Router, private login: LoginService) { }

  resetAndClear() {
    this.router.navigateByUrl('#');
    localStorage.clear();
  }

  resetGenerator() {
    this.resetAndRedirect('/generator-search');
  }

  resetGenAndVisualize() {
    this.resetAndRedirect('/visualize-all');
  }
  isLoggedIn(): boolean {
    return (localStorage.getItem('auth_token') !== null);
  }

  resetAndRedirect(url: string) {
    this.login.getToken().then(() => {
      this.router.navigateByUrl(url);
      localStorage.removeItem('gen_id');
      localStorage.removeItem('org_id');
      localStorage.removeItem('gen_name');
      localStorage.removeItem('data_type');
    }, () => {
      console.log('You need to log in');
      this.router.navigateByUrl('#');
    });
  }

  ngOnInit() {
  }

}