// ...
@Injectable()
export class UserEffects {

  @Effect({ dispatch: false }) onSomeActionTriggered: Observable<any> = this.actions
    .ofType(SOME_ACTION)
    .do((data: any) => this.store.dispatch({
      type: SOME_OTHER_ACTION,
      payload: data.value
    }))
    .switchMap((data: any) => this.userAuthenticationService.authenticateUser(data.user))
    .map((data: any) => this.parseService.parseData(data))
    .switchMap((data: any) => Observable.fromPromise(
      this.router.navigate(['/random', data.param]))
    );
// ...