D-Net

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

import {

  ActivatedRouteSnapshot,

  CanActivate,

  CanActivateChild,

  Router,

  RouterStateSnapshot,

  UrlTree

} 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 {map, tap} from "rxjs/operators";

@Injectable()

export class AdminLoginGuard implements CanActivate, CanActivateChild {

  constructor(private router: Router,

              private userManagementService: UserManagementService) {

  }

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

    let errorCode = LoginErrorCodes.NOT_LOGIN;

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

      if (user) {

        errorCode = LoginErrorCodes.NOT_ADMIN;

      }

      return Session.isPortalAdministrator(user);

    }),tap(isAdmin => {

      if(!isAdmin) {

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

          queryParams: {

            'errorCode': errorCode,

            'redirectUrl': path

          }

        });

      }

    }));

  }

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

    return this.check(state.url);

  }

  canActivateChild(childRoute: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean | UrlTree> | Promise<boolean | UrlTree> | boolean | UrlTree {

    return this.check(state.url);

  }

}