openaire-library/connect/communityGuard/connectCommunityGuard.guard.ts

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.isCommunityType(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']);
  }
}