openaire-library/login/loginGuard.guard.ts

import {Injectable} from '@angular/core';
import {
  Router,
  CanActivate,
  ActivatedRouteSnapshot,
  RouterStateSnapshot,
  Route,
  CanLoad,
  UrlSegment
} from '@angular/router';
import {Observable} from 'rxjs';
import {Session} from './utils/helper.class';
import {LoginErrorCodes} from './utils/guardHelper.class';

@Injectable()
export class LoginGuard implements CanActivate {

  constructor(private router: Router) {
  }

  check(path: string): boolean {
    let loggedIn = false;
    if (Session.isLoggedIn()) {
      loggedIn = true;
    }
    if (!loggedIn) {
      this.router.navigate(['/user-info'], {
        queryParams: {
          'errorCode': LoginErrorCodes.NOT_LOGIN,
          'redirectUrl': path
        }
      });
    }
    return loggedIn;
  }

  canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean> | boolean {
    return this.check(state.url);
  }
}