D-Net

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

import {

  Router,

  CanActivate,

  ActivatedRouteSnapshot,

  RouterStateSnapshot,

  CanLoad, Route, UrlSegment, CanActivateChild, UrlTree

} from '@angular/router';

import {Observable} from 'rxjs';

import {ConnectHelper} from '../connectHelper';

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

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

import {map} from "rxjs/operators";

@Injectable()

export class IsCommunity implements CanActivate, CanActivateChild {

  constructor(private router: Router,

              private communityService: CommunityService) {

  }

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

    let community;

    if(properties.isDashboard) {

      community = route.params['community'];

    } else {

      community = ConnectHelper.getCommunityFromDomain(properties.domain);

    }

    if (community) {

      return this.communityService.getCommunity(community).pipe(map(community => {

        if(community) {

          return true;

        } else {

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

          return false;

        }

      }));

    } else {

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

      return false;

    }

  }

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

    return this.check(route, state);

  }

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

    return this.check(childRoute, state);

  }

}