D-Net

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

import {HttpClient} from '@angular/common/http';

import {EnvProperties} from './properties/env-properties';

import {Observable, of} from "rxjs";

import {catchError} from "rxjs/operators";

@Injectable({

  providedIn: "root"

})

export class IndexInfoService {

  constructor(private http: HttpClient) {

  }

  // http://beta.services.openaire.eu/openaire/info/lastLoadDate

  //   the date when the mining results currently in the public index have been generated: http://beta.services.openaire.eu/openaire/info/lastMiningDate

  getLastIndexDate(properties: EnvProperties): Observable<any> {

    let url = properties.indexInfoAPI + "claim_load_date";

    return this.http.get(url).pipe(catchError(err => {return of(null)}));

  }

}