D-Net

/**

 * Created by stefania on 7/17/17.

 */

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

import {Http, Response} from "@angular/http";

import {Observable} from "rxjs/Rx";

import {PageContent} from "../domain/page-content";

@Injectable()

export class HelpContentService {

  private _helpServiceUrl = process.env.FAQ_ENDPOINT;

  constructor(private http: Http) {

  }

  getActivePageContent(route: string) {

    return this.http.get(this._helpServiceUrl + "/page/route?q=" + route)

      .map(res => <PageContent> res.json())

      .catch(this.handleError);

  }

  private extractData(res: Response) {

    let body = res.json();

    return body.data || {};

  }

  private handleError(error: Response | any) {

    // In a real world app, we might use a remote logging infrastructure

    // We'd also dig deeper into the error to get a better message

    let errMsg = "";

    console.log(error);

    if (error instanceof Response) {

      const body = error.text() || '';

      //const err = body.error || JSON.stringify(body);

      errMsg = `${error.status} - ${error.statusText || ''} ${body}`;

    } else {

      errMsg = (error.message) ? error.message :

        error.status ? `${error.status} - ${error.statusText}` : 'Server error';

      console.error(errMsg); // log to console instead

    }

    return Observable.throw(errMsg);

  }

}