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import {Injectable} from '@angular/core';
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import {Http, Response} from '@angular/http';
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import {Observable} from 'rxjs/Observable';
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import {Metrics} from '../utils/entities/metrics';
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import {OpenaireProperties} from '../utils/properties/openaireProperties';
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import 'rxjs/add/operator/do';
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import { CacheService } from '../shared/cache.service';
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@Injectable()
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export class MetricsService {
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metrics: Metrics;
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constructor(private http: Http, public _cache: CacheService) {}
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getMetrics (id: string, entity: string):any {
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console.info("getMetrics in service");
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//let url = OpenaireProperties. getSearchAPIURLLast() + 'publications/' +id+"?format=json";
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let url = OpenaireProperties.getMetricsAPIURL()+entity+"/"+id+"/clicks";
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let key = url;
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if (this._cache.has(key)) {
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return Observable.of(this._cache.get(key))
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.map(res => this.parseMetrics(res["downloads"], res["views"], res["total_downloads"], res["total_views"],
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res["total_openaire_views"], res["total_openaire_downloads"], res["pageviews"]));
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}
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return this.http.get(url)
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.map(res => <any> res.json())
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.do(res => {
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this._cache.set(key, res);
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})
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.map(res => this.parseMetrics(res["downloads"], res["views"], res["total_downloads"], res["total_views"],
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res["total_openaire_views"], res["total_openaire_downloads"], res["pageviews"]));
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}
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parseMetrics(downloads: any, views: any, totalDownloads: string, totalViews: string,
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totalOpenaireViews: string, totalOpenaireDownloads: string, pageViews: string): any {
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this.metrics = new Metrics();
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this.metrics.totalDownloads = totalDownloads;
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this.metrics.totalViews = totalViews;
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this.metrics.totalOpenaireViews = totalOpenaireViews;
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this.metrics.totalOpenaireDownloads = totalOpenaireDownloads;
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this.metrics.pageViews = pageViews;
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this.metrics.infos = new Map<string, {"name": string, "url": string, "numOfDownloads": string, "numOfViews": string, "openaireDownloads": string, "openaireViews": string}>();
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for(let i=0; i<downloads.length; i++) {
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let id: string = downloads[i]['datasource_id'];
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if(this.metrics.infos.has(id)) {
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this.metrics.infos.get(id).numOfDownloads = downloads[i]['value'];
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this.metrics.infos.get(id).openaireDownloads = downloads[i]['openaire'];
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} else {
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let info;//: {"url": string, "numOfDownloads": string, "numOfViews": string};
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info = {};
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info.name = downloads[i]['datasource_name'];
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info.url = OpenaireProperties.getsearchLinkToDataProvider()+id;
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info.numOfDownloads = downloads[i]['value'];
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info.openaireDownloads = downloads[i]['openaire'];
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info.numOfViews = "0";
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info.openaireViews = "0";
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this.metrics.infos.set(id, info);
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}
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}
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for(let i=0; i<views.length; i++) {
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let id: string = views[i]['datasource_id'];
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if(this.metrics.infos.has(id)) {
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this.metrics.infos.get(id).numOfViews = views[i]['value'];
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this.metrics.infos.get(id).openaireViews = views[i]['openaire'];
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} else {
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let info;//: {"url": string, "numOfDownloads": string, "numOfViews": string};
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info = {};
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info.name = views[i]['datasource_name'];
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info.url = OpenaireProperties.getsearchLinkToDataProvider()+id;
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info.numOfDownloads = "0";
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info.openaireDownloads = "0";
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info.numOfViews = views[i]['value'];
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info.openaireViews = views[i]['openaire'];
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this.metrics.infos.set(id, info);
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}
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}
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console.info("Metrics : "+this.metrics.infos.size);
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return this.metrics;
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}
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}
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