D-Net

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

import {

  Router,

  CanActivate,

  ActivatedRouteSnapshot,

  RouterStateSnapshot,

  CanLoad,

  Route,

  UrlSegment

} from '@angular/router';

import {Observable} from 'rxjs';

import {Session} from './utils/helper.class';

import {LoginErrorCodes} from './utils/guardHelper.class';

import {filter, map, mergeMap} from "rxjs/operators";

import {EnvironmentSpecificService} from "../utils/properties/environment-specific.service";

import {UserManagementService} from "../services/user-management.service";

@Injectable()

export class ClaimsCuratorGuard implements CanActivate {

  constructor(private router: Router,

              private userManagementService: UserManagementService,

              private propertiesService: EnvironmentSpecificService) {

  }

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

    let errorCode = LoginErrorCodes.NOT_LOGIN;

    const obs = this.propertiesService.subscribeEnvironment().pipe(mergeMap(properties => {

      return this.userManagementService.getUserInfo(properties['userInfoUrl']).pipe(map( user => {

        if(user) {

          errorCode = LoginErrorCodes.NOT_ADMIN;

        }

        return Session.isClaimsCurator(user) || Session.isPortalAdministrator(user);

      }));

    }));

    obs.pipe(filter( isAdmin => !isAdmin)).subscribe( () => {

      this.router.navigate(['/user-info'], {

        queryParams: {

          'errorCode': errorCode,

          'redirectUrl': path

        }

      });

    });

    return obs;

  }

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

    return this.check(state.url);

  }

}