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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 = 497;
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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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searchAggregators (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(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(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?" or ":"")+'((pidclassid exact doi) and (pid exact "'+ DOIs[i]+'"))';
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}
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if(doisParams.length > 0){
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url += "q=("+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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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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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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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": '', "url": '', "accessMode": ''};
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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, "url": string}>();
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}
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result['authors'].push({"name": relation.fullname, "url": OpenaireProperties.getsearchLinkToPerson()+relation['to'].content});
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} else if(relation['to'].class == "isProducedBy") {
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if(result['projects'] == undefined) {
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result['projects'] = new Array<
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{ "url": 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 = result['projects'].length;
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result['projects'][countProjects] = {
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"url": "", "acronym": "", "title": "",
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"funderShortname": "", "funderName": "",
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"code": ""
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}
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result['projects'][countProjects]['url'] =
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OpenaireProperties.getsearchLinkToProject() + relation['to'].content;
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result['projects'][countProjects]['acronym'] = relation.acronym;
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result['projects'][countProjects]['title'] = relation.title;
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result['projects'][countProjects]['code'] = relation.code;
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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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result['projects'][countProjects]['funderShortname'] = fundingData['funder'].shortname;
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result['projects'][countProjects]['funderName'] = fundingData['funder'].name;
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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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}
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result.year = resData.dateofacceptance.split('-')[0];
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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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parseResultsCSV(data: any): any {
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let results: any = [];
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295
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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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302
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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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312
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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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327
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328
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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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330
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331
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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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338
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}
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339
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340
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}
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341
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}
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342
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}
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343
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result.push(this.quote(authors));
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344
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var year: string = "";
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345
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if(resData.hasOwnProperty("dateofacceptance")) {
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year = resData.dateofacceptance;
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347
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}
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348
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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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351
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result.push(funder);
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352
|
result.push(this.quote(projects));
|
|
353
|
} else {
|
|
354
|
result.push(this.quote(''));
|
|
355
|
var year: string = "";
|
|
356
|
if(resData.hasOwnProperty("dateofacceptance")) {
|
|
357
|
year = resData.dateofacceptance;
|
|
358
|
}
|
|
359
|
result.push(year);
|
|
360
|
var id:string = Array.isArray(data) ? data[i]['result']['header']['dri:objIdentifier'] : data['result']['header']['dri:objIdentifier'];
|
|
361
|
result.push(this.quote(id));
|
|
362
|
result.push(funder);
|
|
363
|
result.push("");
|
|
364
|
}
|
|
365
|
|
|
366
|
|
|
367
|
//result.push(resData.embargoenddate);
|
|
368
|
|
|
369
|
if(resData['bestlicense'].hasOwnProperty("classid")) {
|
|
370
|
result.push(this.quote(resData['bestlicense'].classid));
|
|
371
|
} else {
|
|
372
|
result.push("");
|
|
373
|
}
|
|
374
|
|
|
375
|
results.push(result);
|
|
376
|
}
|
|
377
|
|
|
378
|
return results;
|
|
379
|
}
|
|
380
|
|
|
381
|
parseRefineResults(data: any): any {
|
|
382
|
var results:any = [];
|
|
383
|
if(data.hasOwnProperty("resulthostingdatasourceid")) {
|
|
384
|
let length = Array.isArray(data['resulthostingdatasourceid']) ? data['resulthostingdatasourceid'].length : 1;
|
|
385
|
|
|
386
|
for(let i=0; i<length; i++) {
|
|
387
|
let datasource = Array.isArray(data['resulthostingdatasourceid']) ? data['resulthostingdatasourceid'][i] : data['resulthostingdatasourceid'];
|
|
388
|
|
|
389
|
let result: {"name": string, "id": string, "url":string, "count": number} = {"name": "", "id": "", "url": "", "count": 0};
|
|
390
|
result['name'] = datasource.name;
|
|
391
|
result['id'] = datasource.id;
|
|
392
|
result['url'] = OpenaireProperties.getsearchLinkToDataProvider()+result['id'];
|
|
393
|
result['count'] = datasource.count;
|
|
394
|
|
|
395
|
results.push(result);
|
|
396
|
}
|
|
397
|
}
|
|
398
|
return results;
|
|
399
|
}
|
|
400
|
|
|
401
|
numOfEntityPublications(id: string, entity: string):any {
|
|
402
|
|
|
403
|
//OpenaireProperties.getSearchAPIURLLast()
|
|
404
|
//"http://rudie.di.uoa.gr:8080/dnet-functionality-services-2.0.0-SNAPSHOT/rest/v2/api/"
|
|
405
|
let url = OpenaireProperties.getSearchAPIURLLast()+entity+id+"/publications/count"+ "?format=json";
|
|
406
|
let key = url;
|
|
407
|
if (this._cache.has(key)) {
|
|
408
|
return Observable.of(this._cache.get(key));
|
|
409
|
}
|
|
410
|
return this.http.get(url)
|
|
411
|
.map(res => <any> res.json())
|
|
412
|
.map(res => res.total).do(res => {
|
|
413
|
this._cache.set(key, res);
|
|
414
|
});
|
|
415
|
}
|
|
416
|
|
|
417
|
numOfSearchPublications(params: string):any {
|
|
418
|
|
|
419
|
//OpenaireProperties.getSearchAPIURLLast()
|
|
420
|
//"http://rudie.di.uoa.gr:8080/dnet-functionality-services-2.0.0-SNAPSHOT/rest/v2/api/"
|
|
421
|
let url = OpenaireProperties.getSearchAPIURLLast()+"publications/count?q="+ '"' + params + '"' +"&format=json";
|
|
422
|
let key = url;
|
|
423
|
if (this._cache.has(key)) {
|
|
424
|
return Observable.of(this._cache.get(key));
|
|
425
|
}
|
|
426
|
return this.http.get(url)
|
|
427
|
.map(res => <any> res.json())
|
|
428
|
.map(res => res.total).do(res => {
|
|
429
|
this._cache.set(key, res);
|
|
430
|
});
|
|
431
|
}
|
|
432
|
|
|
433
|
private quote(word: any): string {
|
|
434
|
return '"'+word+'"';
|
|
435
|
}
|
|
436
|
}
|