D-Net

/*

* Created by myrto on 05/11/2018

*/

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

import { Observable } from 'rxjs/Observable';

import 'rxjs/add/operator/map';

import { Http, Headers, RequestOptions, Response } from '@angular/http';

import { ReportResponseWrapper } from '../domain/usageStatsClasses';

const headers = new Headers({ 'Content-Type': 'application/json' });

const httpOptions = new RequestOptions({ headers: headers });

@Injectable ()

export class UsagestatsService {

  /*private apiUrl = `${apiUrl}/piwik/`;*/

  private apiUrl = process.env.API_ENDPOINT + '/piwik/';

  constructor(private http: Http) { }

  getReportResponse(params: URLSearchParams): Observable<ReportResponseWrapper> {

    let url = `http://beta.services.openaire.eu/usagestats/sushilite/GetReport/?${params}`;

    console.log(`knocking on: ${url}`);

    httpOptions.withCredentials = true;

    return this.http.get(url, httpOptions)

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

      .catch(this.handleError);

  }

  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('E R R O R !!!');

    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);

  }

}