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

import {helpServiceUrl} from "../domain/tempAPI";

@Injectable()

export class HelpContentService {

  private _helpServiceUrl = process.env.FAQ_ENDPOINT;

  /*private _helpServiceUrl = helpServiceUrl;*/

  constructor (private http: Http) {

  }

  cache : any = {};

  getActivePageContent(route: string) : Observable<PageContent> {

    if (!this.cache[route]) {

      this.cache[route] = this.http.get(this._helpServiceUrl + "/page/route?q=" + route)

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

        .catch(this.handleError)

        .share();

    }

    return this.cache[route];

  }

  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);

  }

}