D-Net

import {Injectable} from '@angular/core';

import {ActivatedRouteSnapshot, CanActivate, CanLoad, Route, Router, RouterStateSnapshot} from '@angular/router';

import {Observable} from 'rxjs/Observable';

import {Session} from './utils/helper.class';

import {LoginErrorCodes} from './utils/guardHelper.class';

@Injectable()

export class LoginGuard implements CanActivate, CanLoad {

  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, path}});

    }

    return loggedIn;

  }

  canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean> | boolean {

    return this.check(state.url);

  }

  canLoad(route: Route): Observable<boolean> | Promise<boolean> | boolean {

    return this.check('/' + route.path);

  }

}