D-Net

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

import {HttpClient, HttpErrorResponse} from "@angular/common/http";

import { Observable } from 'rxjs/Rx';

import {StatisticsDisplay, StatisticsSummary} from "../../openaireLibrary/connect/statistics/statisticsEntities";

import {catchError, map} from "rxjs/operators";

import {throwError} from "rxjs";

import {EnvProperties} from "../../openaireLibrary/utils/properties/env-properties";

@Injectable()

export class StatisticsService {

    constructor(private http:HttpClient) { }

    getCommunityStatistics(properties:EnvProperties, communityId: string): Observable<StatisticsSummary> {

        let url = properties.statisticsAPIURL+"/communities/"+communityId;

        //console.log(`getting statistics summary from: ${url}`);

        return this.http.get<any>((properties.useCache) ? (properties.cacheUrl + encodeURIComponent(url)) : url)

            //.map(res => <any>res.json())

            .pipe(map(res => res['statistics']));

    }

    getCommunityAdminStatisticsChoices(properties: EnvProperties, communityId: string): Observable<StatisticsDisplay> {

        let url = properties.adminToolsAPIURL+"/statistics/"+communityId;

        //console.log(`getting admin choices for statistics from: ${url}`);

        return this.http.get<StatisticsDisplay>((properties.useCache) ? (properties.cacheUrl + encodeURIComponent(url)) : url)

            //.map(stats => <StatisticsDisplay>stats.json())

            .pipe(catchError(this.handleError));

    }

    private handleError (error: HttpErrorResponse) {

        // in a real world app, we may send the error to some remote logging infrastructure

        // instead of just logging it to the console

        console.log(error);

        return throwError(error  || 'Server error');

    }

}