D-Net

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

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

import {Observable}       from 'rxjs/Observable';

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

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

@Injectable()

export class AdminLoginGuard implements CanActivate, CanLoad {

  constructor(private router: Router) {}

  check(path: string) : boolean{

    let loggedIn = false;

    let isAdmin = false;

    let errorCode = LoginErrorCodes.NOT_LOGIN;

    if(Session.isLoggedIn()){

      loggedIn = true;

      isAdmin = Session.isPortalAdministrator();

      if(!isAdmin){

        errorCode = LoginErrorCodes.NOT_ADMIN;

      }

    }

    if(!loggedIn || !isAdmin) {

      this.router.navigate(['/user-info'], {queryParams: {"errorCode": errorCode, "redirectUrl": path}});

    }

    return loggedIn && isAdmin;

  }

  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);

  }

}