D-Net

import {take, tap} from 'rxjs/operators';

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

import {

  Router,

  CanActivate,

  ActivatedRouteSnapshot,

  RouterStateSnapshot,

} from '@angular/router';

import {Observable, Subscription} from 'rxjs';

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

import {properties} from "../../../../environments/environment";

@Injectable()

export class ConnectCommunityGuard implements CanActivate {

  sub: Subscription = null;

  constructor(private router: Router,

              private communityService: CommunityService) {

  }

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

    return this.communityService.isCommunityTypeByState(properties, properties['communityAPI'] + community).pipe(take(1), tap(isCommunity => {

      if (!isCommunity) {

        this.router.navigate(['errorcommunity']);

      }

    }));

  }

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

    return this.check(route.queryParams['communityId']);

  }

}