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61381
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k.triantaf
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import { Injectable } from "@angular/core";
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import { JsonldDocument, Identifier, Person, License, Citation, Dataset, Organization } from "../model/jsonld-document";
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import * as _ from "lodash";
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@Injectable()
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export class JsonldDocumentSerializerService {
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constructor() { }
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serializeOrganization(doc: Organization): any {
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const buffer = {};
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buffer["@type"] = "Organization";
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this.serializeDocument(doc, buffer);
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if(doc.areaServed){
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buffer["areaServed"] = doc.areaServed;
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}
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if(doc.legalName){
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buffer["legalName"] = doc.legalName;
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}
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if(doc.funder ){
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buffer["funder"] = this.serializeOrganization(doc.funder );
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}
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return buffer;
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}
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serializeDocument(doc:JsonldDocument, buffer):any{
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buffer["@context"] = "http://schema.org";
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buffer["@id"] = doc.id;
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this.serializeName(doc, buffer);
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this.serializeDescription(doc, buffer);
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this.serializeIdentifier(doc, buffer);
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this.serializeURL(doc, buffer);
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this.serializeSameAs(doc, buffer);
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}
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serializeDataset(doc: Dataset): any {
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var buffer = {};
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buffer["@context"] = "http://schema.org";
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buffer["@type"] = "Dataset";
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this.serializeDocument(doc, buffer);
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if(doc.headline){
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buffer["headline"] = doc.headline;
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}
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if(doc.alternativeHeadline){
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buffer["alternativeHeadline"] = doc.alternativeHeadline;
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}
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if(doc.issn){
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buffer["issn"] = doc.issn;
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}
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if (doc.creator && doc.creator.length == 1) {
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buffer["creator"] = this.buildCreator(doc.creator[0]);
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}
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else if (doc.creator && doc.creator.length > 1) {
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const array = new Array<any>();
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for (var i = 0; i < doc.creator.length; i += 1) {
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array.push(this.buildCreator(doc.creator[i]));
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}
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buffer["creator"] = array;
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}
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if (doc.dateCreated && doc.dateCreated.length == 1) {
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buffer["dateCreated"] = doc.dateCreated[0];
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}
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else if (doc.dateCreated && doc.dateCreated.length > 1) {
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buffer["dateCreated"] = doc.dateCreated;
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}
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if (doc.dateModified && doc.dateModified.length == 1) {
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buffer["dateModified"] = doc.dateModified[0];
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}
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else if (doc.dateModified && doc.dateModified.length > 1) {
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buffer["dateModified"] = doc.dateModified;
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}
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if (doc.license && doc.license.length == 1) {
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buffer["license"] = this.buildLicense(doc.license[0]);
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}
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else if (doc.license && doc.license.length > 1) {
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const array = new Array<any>();
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for (var i = 0; i < doc.license.length; i += 1) {
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array.push(this.buildLicense(doc.license[i]));
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}
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buffer["license"] = array;
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}
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if (doc.keyword && doc.keyword.length == 1) {
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buffer["keywords"] = doc.keyword[0];
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}
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else if (doc.keyword && doc.keyword.length > 1) {
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buffer["keywords"] = _.join(doc.keyword, ", ");
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}
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if (doc.citation && doc.citation.length == 1) {
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buffer["citation"] = this.buildCitation(doc.citation[0]);
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}
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else if (doc.citation && doc.citation.length > 1) {
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const array = new Array<any>();
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for (var i = 0; i < doc.citation.length; i += 1) {
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array.push(this.buildCitation(doc.citation[i]));
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}
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buffer["citation"] = array;
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}
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return buffer;
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// return JSON.stringify(buffer, (key, value) => {
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// if (value !== null) return value
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// }, 4);
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}
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serializeName(doc, buffer){
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if (doc.title && doc.title.length == 1) {
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buffer["name"] = doc.title[0];
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}
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else if (doc.title && doc.title.length > 1) {
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buffer["name"] = doc.title;
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}
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}
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serializeDescription(doc, buffer){
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if (doc.description && doc.description.length == 1) {
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buffer["description"] = doc.description[0];
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}
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else if (doc.description && doc.description.length > 1) {
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buffer["description"] = doc.description;
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}
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}
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serializeIdentifier(doc, buffer){
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if (doc.identifier && doc.identifier.length == 1) {
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buffer["identifier"] = this.buildIdentifier(doc.identifier[0]);
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}
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else if (doc.identifier && doc.identifier.length > 1) {
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const array = new Array<any>();
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for (var i = 0; i < doc.identifier.length; i += 1) {
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array.push(this.buildIdentifier(doc.identifier[i]));
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}
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buffer["identifier"] = array;
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}
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}
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serializeURL(doc, buffer){
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if (doc.url && doc.url.length == 1) {
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buffer["URL"] = doc.url[0];
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}
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else if (doc.url && doc.url.length > 1) {
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buffer["URL"] = doc.url;
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}
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}
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serializeSameAs(doc, buffer){
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if (doc.sameAs && doc.sameAs.length == 1) {
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buffer["sameAs"] = doc.sameAs[0];
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}
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else if (doc.sameAs && doc.sameAs.length > 1) {
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buffer["sameAs"] = doc.sameAs;
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}
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}
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buildIdentifier(item: Identifier): any {
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return {
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"@type": "PropertyValue",
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"propertyID": item.schema,
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"value": item.id
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};
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}
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buildCreator(item: Person): any {
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var person ={};
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person["@type"] = "Person";
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if(item.givenName){
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person["givenName"] = item.givenName;
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}
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if(item.familyName){
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person["familyName"] = item.familyName;
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}
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person["name"] = item.name;
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return person;
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// return {
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// "@type": "Person",
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// "givenName": item.givenName,
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// "familyName": item.familyName,
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// "name": item.name
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// };
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}
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buildLicense(item: License): any {
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const licenseBuffer = {
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"@type": "CreativeWork"
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};
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if (item.title && item.title.length == 1) {
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licenseBuffer["name"] = item.title[0];
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}
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else if (item.title && item.title.length > 1) {
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licenseBuffer["name"] = item.title;
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}
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if (item.identifier && item.identifier.length == 1) {
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licenseBuffer["identifier"] = this.buildIdentifier(item.identifier[0]);
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}
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else if (item.identifier && item.identifier.length > 1) {
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const array = new Array<any>();
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for (var i = 0; i < item.identifier.length; i += 1) {
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array.push(this.buildIdentifier(item.identifier[i]));
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}
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licenseBuffer["identifier"] = array;
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}
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return licenseBuffer;
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}
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buildCitation(item: Citation): any {
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const citationBuffer = {
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"@type": "CreativeWork"
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};
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if (item.title && item.title.length == 1) {
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citationBuffer["name"] = item.title[0];
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}
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else if (item.title && item.title.length > 1) {
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citationBuffer["name"] = item.title;
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}
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if (item.identifier && item.identifier.length == 1) {
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citationBuffer["identifier"] = this.buildIdentifier(item.identifier[0]);
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}
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else if (item.identifier && item.identifier.length > 1) {
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const array = new Array<any>();
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for (var i = 0; i < item.identifier.length; i += 1) {
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array.push(this.buildIdentifier(item.identifier[i]));
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}
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citationBuffer["identifier"] = array;
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}
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return citationBuffer;
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}
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}
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