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

import {take, tap} from 'rxjs/operators';
import {Injectable} from '@angular/core';
import {Router, CanActivate, ActivatedRouteSnapshot, RouterStateSnapshot} from '@angular/router';
import {Observable} from 'rxjs';
import {LoginErrorCodes} from '../../login/utils/guardHelper.class';
import {SubscribeService} from "../../utils/subscribe/subscribe.service";
import {properties} from "../../../../environments/environment";
import {ConnectHelper} from "../connectHelper";

@Injectable()
export class ConnectSubscriberGuard implements CanActivate {
  constructor(private router: Router,
              private subscribeService: SubscribeService) {
  }

  check(community: string, path: string): Observable<boolean> {
    let errorCode = LoginErrorCodes.NOT_SUBSCRIBER;
    let communityDomain = ConnectHelper.getCommunityFromDomain(properties.domain);
    if (communityDomain) {
      community = communityDomain;
    }
    return this.subscribeService.isSubscribedToCommunity(properties, community).pipe(take(1), tap(subscribed =>{
      if(!subscribed){
        this.router.navigate(['/user-info'], {
          queryParams: {
            'errorCode': errorCode,
            'redirectUrl': path
          }
        });
      }
    }));
  }
  
  canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean> | boolean {
    return this.check(route.queryParams['communityId'], state.url);
  }
  
}