409 lines
13 KiB
TypeScript
409 lines
13 KiB
TypeScript
import {Injectable} from '@angular/core';
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import {Citation, Dataset, Identifier, License, Organization, Person} from '../model/jsonld-document';
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import * as _ from 'lodash';
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import {properties} from '../../../../../environments/environment';
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@Injectable()
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export class OpenAireJsonldConverterService {
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constructor() {
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}
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createHome(name, URL, logoURL, description:string, searchActionRoute ): any {
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const organization = {};
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organization["@context"] = "http://schema.org";
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organization["@id"] = URL+"/#organization";
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organization["@type"] = "Organization";
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organization["name"] = name;
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organization["url"] = URL;
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if(logoURL && logoURL.length > 0 ) {
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organization["logo"] = logoURL;
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}
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if(description){
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organization["description"] = description;
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}
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if((properties.domain.indexOf("connect.openaire.eu")!=-1 || properties.domain.indexOf("explore.openaire.eu")!=-1|| properties.domain.indexOf("monitor.openaire.eu")!=-1) && properties.baseLink == "/") {
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const sameAs = ["https://www.openaire.eu",
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"https://www.facebook.com/groups/openaire/",
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"https://www.twitter.com/OpenAIRE_eu",
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"https://www.linkedin.com/groups/OpenAIRE-3893548",
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"https://www.slideshare.net/OpenAIRE_eu",
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"https://www.youtube.com/channel/UChFYqizc-S6asNjQSoWuwjw"];
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organization["sameAs"] = sameAs;
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}
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if(searchActionRoute) {
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return [organization, this.createDefaultSearchPage(name, URL,logoURL,description,searchActionRoute)];
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}
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return organization;
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}
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createDefaultSearchPage(name, URL, logoURL, description:string, searchRoute ){
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const searchPage = {};
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searchPage["@context"] = "http://schema.org";
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searchPage["@id"] = URL + "/#search";
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searchPage["@type"] = "Website";
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searchPage["name"] = name;
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searchPage["url"] = URL + searchRoute;
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/* no valid property for Website
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if(logoURL && logoURL.length > 0 ) {
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searchPage["logo"] = logoURL;
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}*/
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if (description) {
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searchPage["description"] = description;
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}
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const action = {};
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action["@type"] = "SearchAction";
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action["@id"] = URL + "/#search-action";
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action["target"] = URL+ searchRoute + "?fv0={search_term_string}&f0=q";
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action["query-input"] = "required name=search_term_string";
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searchPage["potentialAction"] = action;
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return searchPage;
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}
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createSimplePage(name, URL, description:string = null): any {
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const buffer = {};
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buffer["@context"] = "http://schema.org";
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buffer["@type"] = "WebPage";
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buffer["name"] = name;
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buffer["url"] = URL;
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if(description){
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buffer["description"] = description;
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}else{
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buffer["description"] = name;
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}
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buffer["@id"] = URL;
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return buffer;
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}
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createSearchPage(name, URL, logoURL, searchAction:boolean = true, description:string = null, searchActionRoute = null): any {
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const buffer = {};
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buffer["@context"] = "http://schema.org";
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buffer["@type"] = "SearchResultsPage";
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buffer["name"] = name;
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if(description){
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buffer["description"] = description;
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}
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buffer["url"] = URL;
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buffer["@id"] = URL;
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buffer["logo"] = logoURL;
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buffer["isPartOf"] = properties.domain+ properties.baseLink +"/#search";
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if(searchAction){
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return [buffer,this.createDefaultSearchPage(name, URL,logoURL,description,searchActionRoute) ]
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}
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return buffer;
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}
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convertResult(result: any, URL): Dataset {
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const doc = new Dataset();
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doc.title = this.getTitle(result);
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doc.headline = doc.title;
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if(this.getSubTitle(result)){
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doc.alternativeHeadline = this.getSubTitle(result);
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}
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doc.issn = this.getISSN(result);
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doc.description = this.getDescription(result);
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doc.identifier = this.getIdentifier(result);
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doc.id = URL;
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doc.url = URL;
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doc.sameAs = this.getSameAs(result);
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doc.creator = this.getCreator(result);
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doc.dateCreated = this.getDateCreated(result);
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doc.citation = this.getCitation(result);
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doc.license = this.getLicense(result);
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doc.keyword = this.getKeyword(result);
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return doc;
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}
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convertProject(project: any, URL): Organization {
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const doc = new Organization();
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doc.title = (project.title)?project.title:project.acronym;
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doc.identifier = new Array<Identifier>();
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doc.identifier.push({id:project.funding.code, schema: "grantid"});
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let funder = new Organization();
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funder.id = properties.domain + properties.baseLink+"#funder-"+project.funding.funderShortName;
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funder.title = project.funding.funderName;
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doc.funder = funder;
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doc.url = URL;
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doc.id = URL;
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doc["description"] = [];
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doc["description"].push(project.description?project.description: ("project" + (project.title?"," + project.title:"") + (project.funding && project.funding.funderName?", funder: " + project.funding.funderName:"") + (project.acronym?"," + project.acronym:"")));
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doc.sameAs =[project.url];
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return doc;
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}
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convertOrganization(organization: any, URL, description:string = null): Organization {
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const doc = new Organization();
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doc.title = organization.title.name ;
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doc.legalName = organization.name;
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doc.areaServed = organization.country;
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doc.url = URL;
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doc.id = URL;
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doc["description"] = [];
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doc["description"].push(((organization.title.name?organization.title.name:"") + " - " + (organization.name?organization.name:"")));
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return doc;
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}
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convertDatasource(datasource: any, URL, otherUrl): Organization {
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const doc = new Organization();
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doc.title = datasource.title.name?datasource.title.name:datasource.officialName;
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//doc.identifier = datasource.contractNum;
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doc.legalName = datasource.officialName;
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if(datasource.countries && datasource.countries.length > 0){
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doc.areaServed = datasource.countries[0];
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}
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doc.url = URL;
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doc.id = URL;
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doc["description"] = [];
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doc["description"].push(datasource.description?datasource.description:datasource.title.name?datasource.title.name:datasource.officialName);
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if(datasource.oaiPmhURL || otherUrl || datasource.title.url){
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doc.sameAs = [];
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if(otherUrl){
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doc.sameAs.push(otherUrl);
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}
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if(datasource.oaiPmhURL){
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doc.sameAs.push(datasource.oaiPmhURL);
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}
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if(datasource.title.url){
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doc.sameAs.push(datasource.title.url);
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}
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}
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return doc;
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}
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private getTitle(result: any): String[] {
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const title = _.get(result, "result.metadata.oaf:entity.oaf:result.title", null);
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let return_title;
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if(title && Array.isArray(title) ){
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for(let i=0; i<title.length; i++) {
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if(title[i] && title[i].content) {
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if(!return_title || title[i].classid == "main title") {
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return_title = String(title[i].content);
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}
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if(title[i].classid == "main title") {
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break;
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}
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}
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}
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if(!return_title) {
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return_title = "";
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}
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return return_title;
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// return (title[0] && title[0].content)?title[0].content:"";
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}else{
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return (title && title.content)?title.content:"";
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}
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}
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private getSubTitle(result: any): String[] {
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const title = _.get(result, "result.metadata.oaf:entity.oaf:result.title", null);
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if(title && Array.isArray(title) ){
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if(title[1] && title[1].classid == "subtitle") {
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return title[1].content;
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}
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}
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return null;
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}
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private getISSN(result: any): String[] {
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const item = _.get(result, "result.metadata.oaf:entity.oaf:result.journal.issn", null);
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if (!item) return null;
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return [item as String];
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}
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private getDescription(result: any): String[] {
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const item = _.get(result, "result.metadata.oaf:entity.oaf:result.description", null);
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if (!item) return this.getTitle(result);
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let descr = Array.isArray(item) ? item[0]+ "":item + ""; // +"" to make string: if description is number descr.substring returns error
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return [descr?(descr.substring(0,4997)+(descr.substring(0,4997).length == 4997?'...':'')):"" as String];
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}
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private getDateCreated(result: any): String[] {
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const item = _.get(result, "result.metadata.oaf:entity.oaf:result.dateofacceptance", null);
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if (!item) return null;
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return [item as String];
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}
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private getLicense(result: any): License[] {
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const item = _.get(result, "result.metadata.oaf:entity.oaf:result.bestaccessright", null);
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if (!item) return null;
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if (!_.has(item, "classid")) return null;
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if (!_.has(item, "classname")) return null;
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if (!_.has(item, "schemeid")) return null;
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return [{
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title: [_.get(item, "classname")],
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identifier: [{
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id: _.get(item, "classid"),
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schema: _.get(item, "schemeid")
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}]
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}];
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}
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private getIdentifier(result: any): Identifier[] {
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const item = _.get(result, "result.metadata.oaf:entity.oaf:result.pid", null);
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if (!item) return null;
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const array = new Array<Identifier>();
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if (Array.isArray(item)) {
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const itemArray = item as Array<any>;
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for (var i = 0; i < itemArray.length; i += 1) {
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const val = this.getSingleIdentifier(itemArray[i]);
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if (val) array.push(val);
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}
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}
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else {
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const val = this.getSingleIdentifier(item);
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if (val) array.push(val);
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}
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if (array.length == 0) return null;
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return array;
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}
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private getSingleIdentifier(item: any): Identifier {
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if (!_.has(item, "classname")) return null;
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if (!_.has(item, "content")) return null;
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return {
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schema: _.get(item, "classname"),
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id: _.get(item, "content")
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};
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}
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private getSameAs(result: any): String[] {
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const instances = _.get(result, "result.metadata.oaf:entity.oaf:result.children.instance", null);
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if (!instances) return null;
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if (!Array.isArray(instances)) return null;
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const array = new Array<String>();
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const instanceArray = instances as Array<any>;
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for (var i = 0; i < instanceArray.length; i += 1) {
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const webresources = _.get(instanceArray[i], "webresource", null);
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if (!webresources) continue;
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if (Array.isArray(webresources)) {
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const webresourceArray = webresources as Array<any>;
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for (var q = 0; q < webresourceArray.length; q += 1) {
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const url = _.get(webresourceArray[q], "url", null);
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if (!url) continue;
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array.push(url as String);
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}
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}
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else {
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const url = _.get(webresources, "url", null);
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if (!url) continue;
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array.push(url as String);
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}
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}
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if (array.length == 0) return null;
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return array;
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}
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private getKeyword(result: any): String[] {
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const subjects = _.get(result, "result.metadata.oaf:entity.oaf:result.subject", null);
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if (!subjects) return null;
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if (!Array.isArray(subjects)) return null;
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const array = new Array<String>();
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const subjectArray = subjects as Array<any>;
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for (var i = 0; i < subjectArray.length; i += 1) {
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const classid = _.get(subjectArray[i], "classid", null);
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if (classid !== "keyword") continue;
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const sub = _.get(subjectArray[i], "content", null);
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if (!sub) return null;
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array.push(sub as String);
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}
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if (array.length == 0) return null;
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return array;
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}
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private getCreator(result: any): Person[] {
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const item = _.get(result, "result.metadata.oaf:entity.oaf:result.creator", null);
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if (!item) return null;
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const array = new Array<Person>();
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if (Array.isArray(item)) {
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const itemArray = item as Array<any>;
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for (var i = 0; i < itemArray.length; i += 1) {
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const val = this.getSinglePerson(itemArray[i]);
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if (val) array.push(val);
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}
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}
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else {
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const val = this.getSinglePerson(item);
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if (val) array.push(val);
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}
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if (array.length == 0) return null;
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return array;
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}
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private getSinglePerson(item: any): Person {
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if (!_.has(item, "surname") && !_.has(item, "name") && !_.has(item, "content")) return null;
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return {
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familyName: _.get(item, "surname", null),
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givenName: _.get(item, "name", null),
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name: _.get(item, "content", null)
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};
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}
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private getCitation(result: any): Citation[] {
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const item = _.get(result, "result.metadata.oaf:entity.extraInfo.citations.citation", null);
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if (!item) return null;
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const array = new Array<Citation>();
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if (Array.isArray(item)) {
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const itemArray = item as Array<any>;
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for (var i = 0; i < itemArray.length; i += 1) {
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const val = this.getSingleCitation(itemArray[i]);
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if (val) array.push(val);
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}
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}
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else {
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const val = this.getSingleCitation(item);
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if (val) array.push(val);
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}
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if (array.length == 0) return null;
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return array;
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}
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private getSingleCitation(item: any): Citation {
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if (!_.has(item, "rawText")) return null;
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if (!_.has(item, "id")) return null;
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const array = new Array<Identifier>();
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const ids = _.get(item, "id", null);
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if (Array.isArray(ids)) {
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const idsArray = ids as Array<any>;
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for (var i = 0; i < idsArray.length; i += 1) {
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const type = _.get(idsArray[i], "type", null);
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const value = _.get(idsArray[i], "value", null);
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if (!type || !value) continue;
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array.push({
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id: value,
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schema: type
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});
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}
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}
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else {
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const type = _.get(ids, "type", null);
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const value = _.get(ids, "value", null);
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if (type && value) {
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array.push({
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id: value,
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schema: type
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});
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}
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}
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if (array.length == 0) return null;
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return {
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title: [_.get(item, "rawText")],
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identifier: array
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};
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}
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}
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