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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 'rxjs/add/observable/of';
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import 'rxjs/add/operator/do';
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import 'rxjs/add/operator/share';
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import { CacheService } from '../shared/cache.service';
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import {OpenaireProperties} from '../utils/properties/openaireProperties';
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import {SearchResult} from '../utils/entities/searchResult';
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import {RefineResultsUtils} from './servicesUtils/refineResults.class';
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@Injectable()
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export class SearchPublicationsService {
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private sizeOfDescription: number = 270;
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constructor(private http: Http, public _cache: CacheService) {}
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searchPublications (params: string, refineParams:string, page: number, size: number, refineFields:string[] ):any {
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let link = OpenaireProperties.getSearchAPIURLLast()+"publications";
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let url = link+"?";
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if(params!= null && params != '' ) {
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url += params;
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}
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if(refineParams!= null && refineParams != '' ) {
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url += refineParams;
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}
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url += "&page="+(page-1)+"&size="+size+"&format=json";
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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)).map(res => [res['meta'].total, this.parseResults(res['results']),RefineResultsUtils.parse(res['refineResults'],refineFields, "publication")]);
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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 => console.info(res))
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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 => [res['meta'].total, this.parseResults(res['results']),RefineResultsUtils.parse(res['refineResults'],refineFields, "publication")]);
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}
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searchPublicationById (id: string ):any {
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let url = OpenaireProperties.getSearchAPIURLLast()+"publications/"+id+"?format=json";
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let key =url+"-searchById";
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if (this._cache.has(key)) {
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return Observable.of(this._cache.get(key)).map(res => this.parseResults(res));
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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.parseResults(res));
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}
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searchAggregators (id: string, params: string, refineParams:string, page: number, size: number ):any {
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let link = OpenaireProperties.getSearchAPIURLLast()+"publications";
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let url = link+"?"+"&format=json";
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if(params!= null && params != '' ) {
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url += params;
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}
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if(refineParams!= null && refineParams != '' ) {
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url += refineParams;
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}
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url += "&page="+(page-1)+"&size="+size;
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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)).map(res => this.parseRefineResults(id, res['refineResults']));
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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.parseRefineResults(id, res['refineResults']));
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}
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searchPublicationsByDois (DOIs: string[], refineParams:string, page: number, size: number, refineFields:string[] ):any {
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let link = OpenaireProperties.getSearchAPIURLLast()+"publications";
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let url = link+"?"+"&format=json&";
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var doisParams = "";
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for(var i =0 ;i < DOIs.length; i++){
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doisParams+=(doisParams.length > 0?"&":"")+'doi="'+ DOIs[i]+'"';
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}
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if(doisParams.length > 0){
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url +="&"+doisParams;
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}
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if(refineParams!= null && refineParams != '' ) {
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url += refineParams;
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}
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url += "&page="+(page-1)+"&size="+size;
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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)).map(res => [res['meta'].total, this.parseResults(res['results']),RefineResultsUtils.parse(res['refineResults'],refineFields, "publication")]);
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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 => console.info(res))
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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 => [res['meta'].total, this.parseResults(res['results']),RefineResultsUtils.parse(res['refineResults'],refineFields, "publication")]);
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}
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advancedSearchPublications (params: string, page: number, size: number ):any {
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let url = OpenaireProperties.getSearchResourcesAPIURL();
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var basicQuery = "(oaftype exact result) and (resulttypeid exact publication) ";
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url += "?query=";
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if(params!= null && params != '' ) {
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url +=" ( "+basicQuery+ " ) " +" and (" + params + ")";
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}else{
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url +=" ( "+basicQuery+ " ) ";
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}
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url += "&page="+(page-1)+"&size="+size;
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url += "&format=json";
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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)).map(res => [res['meta'].total, this.parseResults(res['results'])]);
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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 => console.info(res))
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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 => [res['meta'].total, this.parseResults(res['results'])]);
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}
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searchPublicationsForEntity (params: string, page: number, size: number):any {
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let link = OpenaireProperties.getSearchAPIURLLast();
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let url = link+params+"/publications"+ "?format=json";
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url += "&page="+(page-1)+"&size="+size;
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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)).map(res => [res['meta'].total, this.parseResults(res['results'])]);
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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 => [res['meta'].total, this.parseResults(res['results'])]);
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}
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searchPublicationsForDataproviders(params: string, page: number, size: number):any {
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let link = OpenaireProperties.getSearchAPIURLLast();
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let url = link+params+ "&page="+(page-1)+"&size="+size + "&format=json";
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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)).map(res => [res['meta'].total, this.parseResults(res['results'])]);
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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 => [res['meta'].total, this.parseResults(res['results'])]);
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}
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/*
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searchPublicationsCSV (params: string, refineParams:string, page: number, size: number):any {
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let link = OpenaireProperties.getSearchAPIURLLast()+"publications";
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let url = link+"?";
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if(params!= null && params != '' ) {
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url += params;
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}
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if(refineParams!= null && refineParams != '' ) {
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url += refineParams;
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}
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url += "&page="+(page-1)+"&size="+size+ "&format=json";
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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)).map(res => this.parseResultsCSV(res['results']));
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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 => console.info(res))
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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.parseResultsCSV(res['results']));
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}
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*/
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parseResults(data: any): SearchResult[] {
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let results: SearchResult[] = [];
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let length = Array.isArray(data) ? data.length : 1;
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for(let i=0; i<length; i++) {
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let resData = Array.isArray(data) ? data[i]['result']['metadata']['oaf:entity']['oaf:result'] : data['result']['metadata']['oaf:entity']['oaf:result'];
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var result: SearchResult = new SearchResult();
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result['title'] = {"name": '', "accessMode": '', "sc39": ''};
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if(Array.isArray(resData['title'])) {
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// resData['title'][0].hasOwnProperty("content") {
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result['title'].name = resData['title'][0].content;
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// }
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} else {
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// resData['title'].hasOwnProperty("content") {
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result['title'].name = resData['title'].content;
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// }
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}
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//result['title'].url = OpenaireProperties.getsearchLinkToPublication();
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//result['title'].url += Array.isArray(data) ? data[i]['result']['header']['dri:objIdentifier'] : data['result']['header']['dri:objIdentifier'];
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result['id'] = Array.isArray(data) ? data[i]['result']['header']['dri:objIdentifier'] : data['result']['header']['dri:objIdentifier'];
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if(resData['bestlicense'].hasOwnProperty("classid")) {
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result['title'].accessMode = resData['bestlicense'].classid;
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}
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if(resData['rels'].hasOwnProperty("rel")) {
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let relLength = Array.isArray(resData['rels']['rel']) ? resData['rels']['rel'].length : 1;
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for(let j=0; j<relLength; j++) {
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let relation = Array.isArray(resData['rels']['rel']) ? resData['rels']['rel'][j] : resData['rels']['rel'];
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if(relation.hasOwnProperty("to")) {
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if(relation['to'].class == "hasAuthor") {
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if(result['authors'] == undefined) {
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result['authors'] = new Array<{"name": string, "id": string}>();
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}
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result['authors'].push({"name": relation.fullname, "id": /*OpenaireProperties.getsearchLinkToPerson()+*/relation['to'].content});
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} else if(relation['to'].class == "isProducedBy") {
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result['projects'] = this.parseProjects(result['projects'], relation);
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}
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}
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}
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}
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var date:string = (resData.dateofacceptance)+""; // transform to string in case it is an integer
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result.year = (date && (date).indexOf('-') !== -1)?date.split('-')[0]:date;
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if(!Array.isArray(resData.description)) {
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result.description = resData.description;
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} else {
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result.description = resData.description[0];
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}
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if(result.description.length > this.sizeOfDescription) {
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result.description = result.description.substring(0, this.sizeOfDescription) + "...";
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}
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result.embargoEndDate = resData.embargoenddate;
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results.push(result);
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}
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return results;
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}
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parseProjects(projects: { "id": string, "acronym": string, "title": string,
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"funderShortname": string, "funderName": string,
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"code": string }[], relation: any ) : {
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"id": string, "acronym": string, "title": string,
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"funderShortname": string, "funderName": string,
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"code": string }[] {
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if(projects == undefined) {
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projects = new Array<
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{ "id": string, "acronym": string, "title": string,
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"funderShortname": string, "funderName": string,
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"code": string
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}>();
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}
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let countProjects = projects.length;
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projects[countProjects] = {
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"id": "", "acronym": "", "title": "",
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"funderShortname": "", "funderName": "",
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"code": ""
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}
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if(relation.title != 'unidentified') {
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projects[countProjects]['id'] =
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/*OpenaireProperties.getsearchLinkToProject() + */relation['to'].content;
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projects[countProjects]['acronym'] = relation.acronym;
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projects[countProjects]['title'] = relation.title;
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projects[countProjects]['code'] = relation.code;
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} else {
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projects[countProjects]['id'] = "";
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projects[countProjects]['acronym'] = "";
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projects[countProjects]['title'] = "";
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projects[countProjects]['code'] = "";
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}
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if(relation.hasOwnProperty("funding")) {
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let fundingLength = Array.isArray(relation['funding']) ? relation['funding'].length : 1;
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for(let z=0; z<fundingLength; z++) {
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let fundingData = Array.isArray(relation['funding']) ? relation['funding'][z] : relation['funding'];
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if(fundingData.hasOwnProperty("funder")) {
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projects[countProjects]['funderShortname'] = fundingData['funder'].shortname;
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projects[countProjects]['funderName'] = fundingData['funder'].name;
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}
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}
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}
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return projects;
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}
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/*
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parseResultsCSV(data: any): any {
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let results: any = [];
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let length = Array.isArray(data) ? data.length : 1;
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for(let i=0; i<length; i++) {
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let resData = Array.isArray(data) ? data[i]['result']['metadata']['oaf:entity']['oaf:result'] : data['result']['metadata']['oaf:entity']['oaf:result'];
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var result: any = [];
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if(Array.isArray(resData['title'])) {
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result.push(this.quote(resData['title'][0].content));
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} else {
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result.push(this.quote(resData['title'].content));
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}
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var authors: string[] = [];
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var projects: string[] = [];
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var funder: string = "";
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if(resData['rels'].hasOwnProperty("rel")) {
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let relLength = Array.isArray(resData['rels']['rel']) ? resData['rels']['rel'].length : 1;
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for(let j=0; j<relLength; j++) {
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let relation = Array.isArray(resData['rels']['rel']) ? resData['rels']['rel'][j] : resData['rels']['rel'];
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if(relation.hasOwnProperty("to")) {
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if(relation['to'].class == "hasAuthor") {
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authors.push(relation.fullname);
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} else if(relation['to'].class == "isProducedBy") {
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if(relation.code != "") {
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projects.push(relation.title+" ("+relation.code+")");
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} else {
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projects.push(relation.title);
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}
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if(relation.hasOwnProperty("funding")) {
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let fundingLength = Array.isArray(relation['funding']) ? relation['funding'].length : 1;
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for(let z=0; z<fundingLength; z++) {
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let fundingData = Array.isArray(relation['funding']) ? relation['funding'][z] : relation['funding'];
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if(fundingData.hasOwnProperty("funder")) {
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funder = fundingData['funder'].shortname;
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}
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}
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}
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}
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}
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}
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result.push(this.quote(authors));
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var year: string = "";
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if(resData.hasOwnProperty("dateofacceptance")) {
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year = resData.dateofacceptance;
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}
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result.push(year);
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var id:string = Array.isArray(data) ? data[i]['result']['header']['dri:objIdentifier'] : data['result']['header']['dri:objIdentifier'];
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result.push(this.quote(id));
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result.push(funder);
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result.push(this.quote(projects));
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} else {
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result.push(this.quote(''));
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var year: string = "";
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if(resData.hasOwnProperty("dateofacceptance")) {
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year = resData.dateofacceptance;
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}
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result.push(year);
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var id:string = Array.isArray(data) ? data[i]['result']['header']['dri:objIdentifier'] : data['result']['header']['dri:objIdentifier'];
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result.push(this.quote(id));
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result.push(funder);
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result.push("");
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}
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399
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//result.push(resData.embargoenddate);
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if(resData['bestlicense'].hasOwnProperty("classid")) {
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result.push(this.quote(resData['bestlicense'].classid));
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403
|
} else {
|
404
|
result.push("");
|
405
|
}
|
406
|
|
407
|
results.push(result);
|
408
|
}
|
409
|
|
410
|
return results;
|
411
|
}
|
412
|
*/
|
413
|
parseRefineResults(id: string, data: any): any {
|
414
|
var results:any = [];
|
415
|
if(data.hasOwnProperty("resulthostingdatasource")) {
|
416
|
let length = Array.isArray(data['resulthostingdatasource']) ? data['resulthostingdatasource'].length : 1;
|
417
|
|
418
|
for(let i=0; i<length; i++) {
|
419
|
let datasource = Array.isArray(data['resulthostingdatasource']) ? data['resulthostingdatasource'][i] : data['resulthostingdatasource'];
|
420
|
|
421
|
let result: {"name": string, "id": string, "count": number} = {"name": "", "id": "", "count": 0};
|
422
|
result['name'] = datasource.name;
|
423
|
result['id'] = datasource.id.split("||")[0];
|
424
|
//result['url'] = OpenaireProperties.getsearchLinkToDataProvider()+result['id'];
|
425
|
result['count'] = datasource.count;
|
426
|
|
427
|
if(result['id'] != id && result['name'] != "Unknown Repository") {
|
428
|
results.push(result);
|
429
|
}
|
430
|
}
|
431
|
}
|
432
|
return results;
|
433
|
}
|
434
|
|
435
|
numOfPublications(url: string): any {
|
436
|
let key = url;
|
437
|
if (this._cache.has(key)) {
|
438
|
return Observable.of(this._cache.get(key));
|
439
|
}
|
440
|
return this.http.get(url)
|
441
|
.map(res => <any> res.json())
|
442
|
.map(res => res.total)
|
443
|
.do(res => {
|
444
|
this._cache.set(key, res);
|
445
|
});
|
446
|
}
|
447
|
|
448
|
numOfEntityPublications(id: string, entity: string):any {
|
449
|
var parameters: string = "";
|
450
|
if(entity == "project") {
|
451
|
parameters = "projects/"+id+"/publications/count";
|
452
|
}
|
453
|
let url = OpenaireProperties.getSearchAPIURLLast()+parameters+"?format=json";
|
454
|
return this.numOfPublications(url);
|
455
|
}
|
456
|
|
457
|
numOfSearchPublications(params: string):any {
|
458
|
let url = OpenaireProperties.getSearchAPIURLLast()+"publications/count?format=json";
|
459
|
if(params != "") {
|
460
|
url += "&q=" + params;
|
461
|
}
|
462
|
return this.numOfPublications(url);
|
463
|
}
|
464
|
/*
|
465
|
private quote(word: any): string {
|
466
|
return '"'+word+'"';
|
467
|
}
|
468
|
*/
|
469
|
}
|