helix-front/client/app/controller/shared/controller.service.ts

import { Injectable } from '@angular/core';
import { map } from 'rxjs/operators';

import { HelixService } from '../../core/helix.service';
import { Controller } from './controller.model';

@Injectable()
export class ControllerService extends HelixService {
  public get(clusterName: string) {
    return this.request(`/clusters/${clusterName}/controller`).pipe(
      map(
        (data) =>
          new Controller(
            data.controller,
            clusterName,
            data.LIVE_INSTANCE,
            data.SESSION_ID,
            data.HELIX_VERSION
          )
      )
    );
  }
}