openaire-library/sharedComponents/schema2jsonld/service/open-aire-jsonld-converter....

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