import { Injectable } from '@angular/core';
import {ActivatedRoute, Router,CanActivate, ActivatedRouteSnapshot, RouterStateSnapshot} from '@angular/router';
import {Observable}       from 'rxjs/Observable';
import 'rxjs/add/operator/filter';

@Injectable()
export class IsCommunity implements CanActivate {

  constructor(private route: ActivatedRoute,private router: Router) {}

  canActivate(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<boolean> | boolean {
      let community = (route.queryParams["communityId"]);
        if(community && community!="undefined"){
        return true;
      }else{
        this.router.navigate(['errorcommunity']);
      }
      return false;
    }
  }