D-Net

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

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

import { Observable } from 'rxjs/Rx';

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

@Injectable()

export class StatisticsService {

    constructor(private http:Http) { }

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

        let url = `${apiUrl}communities/${communityId}`;

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

        return this.http.get(url)

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

            .map(res => res.statistics)

    }

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

        let url = `${apiUrl}/statistics/${communityId}`;

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

        return this.http.get(url)

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

            .catch(this.handleError);

    }

    private handleError (error: Response) {

        // 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 Observable.throw(error  || 'Server error');

    }

}