D-Net

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

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

import {Observable} from 'rxjs';

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

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

import {UserManagementService} from "../services/user-management.service";

import {filter, map} from "rxjs/operators";

@Injectable()

export class AdminLoginGuard implements CanActivate {

  constructor(private router: Router,

              private userManagementService: UserManagementService) {

  }

  check(path: string): Observable<boolean> {

    let errorCode = LoginErrorCodes.NOT_LOGIN;

    const obs = this.userManagementService.getUserInfo(false).pipe(map(user => {

      if (user) {

        errorCode = LoginErrorCodes.NOT_ADMIN;

      }

      return Session.isPortalAdministrator(user);

    }));

    obs.pipe(filter(isAdmin => !isAdmin)).subscribe(() => {

      this.router.navigate(['/user-info'], {

        queryParams: {

          'errorCode': errorCode,

          'redirectUrl': path

        }

      });

    });

    return obs;

  }

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

    return this.check(state.url);

  }

}