D-Net

import {tap} from 'rxjs/operators';

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

import {

  ActivatedRouteSnapshot,

  CanActivate,

  CanActivateChild,

  Router,

  RouterStateSnapshot,

  UrlTree

} from '@angular/router';

import {Observable, Subscription} from 'rxjs';

import {CommunityService} from '../community/community.service';

@Injectable()

export class ConnectRIGuard implements CanActivate, CanActivateChild {

  sub: Subscription = null;

  constructor(private router: Router,

              private communityService: CommunityService) {

  }

  check(community: string, url: string): Observable<boolean> | boolean {

    return this.communityService.isRIType(community).pipe(tap(authorized => {

      if (!authorized) {

        this.router.navigate(['/error'], {queryParams: {'page': url}});

      }

    }));

  }

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

    let community = route.params['community'];

    return community && this.check(community, state.url);

  }

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

    let community = childRoute.params['community'];

    return community && this.check(community, state.url);

  }

}