openaire-library/services/metrics.service.ts

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import {Injectable} from '@angular/core';
import {HttpClient} from "@angular/common/http";
import {Observable} from 'rxjs';
import {Metrics} from '../utils/entities/metrics';
import{EnvProperties} from '../utils/properties/env-properties';
import {map} from "rxjs/operators";
@Injectable()
export class MetricsService {
metrics: Metrics;
constructor(private http: HttpClient ) {}
hasAltMetrics(url: string, doi: string): Observable<boolean> {
return this.http.get(url + doi).pipe(map(res => !!(res)));
}
getMetricsNumber (id: string, table: string, properties:EnvProperties):any {
let url =properties.statisticsFrameNewAPIURL + 'raw?json=' + encodeURIComponent('{"series":[{"query":{"name":"' + table + '", "parameters":["' + id + '"], "profile":"OpenAIRE All-inclusive"}}],"verbose":true}');
return this.http.get((properties.useCache)? (properties.cacheUrl+encodeURIComponent(url)): url)
.pipe(map(res => this.parseMetricsNumber(res)));
}
parseMetricsNumber(res){
try{
return +res["datasets"]["0"]["series"]["result"]["0"]["row"]["0"];
}catch(e){
return null;
}
}
getMetricsNumbersByRepository (id: string, table: string, properties:EnvProperties):any {
let url =properties.statisticsFrameNewAPIURL + 'raw?json=' + encodeURIComponent('{"series":[{"query":{"name":"' + table + '", "parameters":["' + id + '","' + id + '","' + id + '"], "profile":"OpenAIRE All-inclusive"}}],"verbose":true}');
return this.http.get((properties.useCache)? (properties.cacheUrl+encodeURIComponent(url)): url)
.pipe(map(res => this.parseMetricsNumbersByRepository(res,properties)));
}
parseMetricsNumbersByRepository(res,properties){
let map = new Map<string, {"name": string, "url": string, "numOfDownloads": string, "numOfViews": string, "openaireDownloads": string, "openaireViews": string}>();
try{
let results = res["datasets"]["0"]["series"]["result"];
for(let i=0; i<results.length; i++) {
let result = results[i]["row"];
let id: string = result[1];
if(map.has(id)) {
if(result[0] == "views"){
map.get(id).numOfViews = result[3];
map.get(id).openaireViews = result[4];
}else if(result[0] == "downloads") {
map.get(id).numOfDownloads = result[3];
map.get(id).openaireDownloads = result[4];
}
} else {
let info;//: {"url": string, "numOfDownloads": string, "numOfViews": string};
info = {};
info.name = result[2];
info.url = id;
info.numOfDownloads = "0";
info.openaireDownloads = "0";
info.numOfViews = "0";
info.openaireViews = "0";
if(result[0] == "views"){
info.numOfViews = result[3];
info.openaireViews = result[4];
}else if(result[0] == "downloads") {
info.numOfDownloads = result[3];
info.openaireDownloads = result[4];
}
if(info.numOfViews + info.openaireViews + info.numOfDownloads + info.openaireDownloads > 0) {
map.set(id, info);
}
}
}
}catch(e){
console.error(e)
}
return map;
}
}