forked from geolba/tethys.backend
644 lines
26 KiB
TypeScript
644 lines
26 KiB
TypeScript
import type { HttpContext } from '@adonisjs/core/http';
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// import { RequestContract } from '@ioc:Adonis/Core/Request';
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import { Request } from '@adonisjs/core/http';
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import { XMLBuilder } from 'xmlbuilder2/lib/interfaces.js';
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import { create } from 'xmlbuilder2';
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import dayjs, { Dayjs } from 'dayjs';
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import utc from 'dayjs/plugin/utc.js';
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import timezone from 'dayjs/plugin/timezone.js';
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import { readFileSync } from 'fs';
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import { StatusCodes } from 'http-status-codes';
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import SaxonJS from 'saxon-js';
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// import { Xslt, xmlParse } from 'xslt-processor'
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import { OaiErrorCodes, OaiModelError } from '#app/exceptions/OaiErrorCodes';
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import { OaiModelException, BadOaiModelException } from '#app/exceptions/OaiModelException';
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import Dataset from '#app/Models/Dataset';
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import Collection from '#app/Models/Collection';
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import { getDomain, preg_match } from '#app/Utils/utility-functions';
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import XmlModel from '#app/Library/XmlModel';
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import logger from '@adonisjs/core/services/logger';
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import ResumptionToken from '#app/Library/Oai/ResumptionToken';
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// import Config from '@ioc:Adonis/Core/Config';
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import config from '@adonisjs/core/services/config'
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// import { inject } from '@adonisjs/fold';
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import { inject } from '@adonisjs/core'
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// import { TokenWorkerContract } from "MyApp/Models/TokenWorker";
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import TokenWorkerContract from '#library/Oai/TokenWorkerContract';
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import { ModelQueryBuilderContract } from '@adonisjs/lucid/types/model';
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interface XslTParameter {
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[key: string]: any;
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}
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interface Dictionary {
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[index: string]: string;
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}
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interface ListParameter {
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cursor: number;
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totalIds: number;
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start: number;
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reldocIds: (number | null)[];
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metadataPrefix: string;
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}
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@inject()
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export default class OaiController {
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private deliveringDocumentStates = ['published', 'deleted'];
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private sampleRegEx = /^[A-Za-zäüÄÜß0-9\-_.!~]+$/;
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private xsltParameter: XslTParameter;
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/**
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* Holds xml representation of document information to be processed.
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*
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* @var xmlbuilder.XMLDocument | null Defaults to null.
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*/
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private xml: XMLBuilder;
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private proc;
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constructor(public tokenWorker: TokenWorkerContract) {
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// Load the XSLT file
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this.proc = readFileSync('public/assets2/datasetxml2oai.sef.json');
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dayjs.extend(utc);
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dayjs.extend(timezone);
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}
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public async index({ response, request }: HttpContext): Promise<void> {
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this.xml = create({ version: '1.0', encoding: 'UTF-8', standalone: true }, '<root></root>');
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// this.proc = new XSLTProcessor();
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// const stylesheet = readFileSync(__dirname + "/datasetxml2oai.sef.json");
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const xsltParameter: XslTParameter = (this.xsltParameter = {});
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let oaiRequest: Dictionary = {};
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if (request.method() === 'POST') {
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oaiRequest = request.body();
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} else if (request.method() === 'GET') {
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oaiRequest = request.qs();
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} else {
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xsltParameter['oai_error_code'] = 'unknown';
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xsltParameter['oai_error_message'] = 'Only POST and GET methods are allowed for OAI-PMH.';
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}
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let earliestDateFromDb;
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// const oaiRequest: OaiParameter = request.body;
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try {
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const firstPublishedDataset: Dataset | null = await Dataset.earliestPublicationDate();
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firstPublishedDataset != null &&
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(earliestDateFromDb = firstPublishedDataset.server_date_published.toFormat("yyyy-MM-dd'T'HH:mm:ss'Z'"));
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this.xsltParameter['earliestDatestamp'] = earliestDateFromDb;
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// start the request
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await this.handleRequest(oaiRequest, request);
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} catch (error) {
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if (error instanceof OaiModelException) {
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const code = error.oaiCode;
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let oaiErrorCode: string | undefined = 'Unknown oai error code ' + code;
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if (OaiModelError.has(error.oaiCode) && OaiModelError.get(code) !== undefined) {
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oaiErrorCode = OaiModelError.get(error.oaiCode);
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}
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this.xsltParameter['oai_error_code'] = oaiErrorCode;
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this.xsltParameter['oai_error_message'] = error.message;
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} else {
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// // return next(error); // passing to default express middleware error handler
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this.xsltParameter['oai_error_code'] = 'unknown';
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this.xsltParameter['oai_error_message'] = 'An internal error occured.';
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}
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}
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const xmlString = this.xml.end({ prettyPrint: true });
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let xmlOutput; // = xmlString;
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try {
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const result = await SaxonJS.transform({
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// stylesheetFileName: `${config.TMP_BASE_DIR}/data-quality/rules/iati.sef.json`,
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stylesheetText: this.proc,
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destination: 'serialized',
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// sourceFileName: sourceFile,
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sourceText: xmlString,
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stylesheetParams: xsltParameter,
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// logLevel: 10,
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});
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xmlOutput = result.principalResult;
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} catch (error) {
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return response.status(500).json({
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message: 'An error occurred while creating the user',
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error: error.message,
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});
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}
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response
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.header('Content-Type', 'application/xml; charset=utf-8')
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.header('Access-Control-Allow-Origin', '*')
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.header('Access-Control-Allow-Methods', 'GET,POST');
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response.status(StatusCodes.OK).send(xmlOutput);
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}
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protected async handleRequest(oaiRequest: Dictionary, request: Request) {
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// Setup stylesheet
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// $this->loadStyleSheet('datasetxml2oai-pmh.xslt');
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// Set response time
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const now: Dayjs = dayjs();
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this.xsltParameter['responseDate'] = now.format('YYYY-MM-DDTHH:mm:ss[Z]');
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this.xsltParameter['unixTimestamp'] = now.unix();
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// set OAI base url
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const baseDomain = process.env.OAI_BASE_DOMAIN || 'localhost';
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this.xsltParameter['baseURL'] = baseDomain + '/oai';
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this.xsltParameter['repURL'] = request.protocol() + '://' + request.hostname();
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this.xsltParameter['downloadLink'] = request.protocol() + '://' + request.hostname() + '/file/download/';
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this.xsltParameter['doiLink'] = 'https://doi.org/';
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this.xsltParameter['doiPrefix'] = 'info:eu-repo/semantics/altIdentifier/doi/';
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if (oaiRequest['verb']) {
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const verb = oaiRequest['verb'];
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this.xsltParameter['oai_verb'] = verb;
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if (verb === 'Identify') {
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this.handleIdentify();
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} else if (verb === 'ListMetadataFormats') {
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this.handleListMetadataFormats();
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} else if (verb == 'GetRecord') {
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await this.handleGetRecord(oaiRequest);
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} else if (verb == 'ListRecords') {
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await this.handleListRecords(oaiRequest);
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} else if (verb == 'ListIdentifiers') {
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await this.handleListIdentifiers(oaiRequest);
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} else if (verb == 'ListSets') {
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await this.handleListSets();
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} else {
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this.handleIllegalVerb();
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}
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} else {
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// // try {
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// // console.log("Async code example.")
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// const err = new PageNotFoundException("verb not found");
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// throw err;
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// // } catch (error) { // manually catching
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// // next(error); // passing to default middleware error handler
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// // }
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throw new OaiModelException(
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StatusCodes.INTERNAL_SERVER_ERROR,
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'The verb provided in the request is illegal.',
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OaiErrorCodes.BADVERB,
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);
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}
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}
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protected handleIdentify() {
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const email = process.env.OAI_EMAIL || 'repository@geosphere.at';
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const repositoryName = 'Tethys RDR';
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const repIdentifier = 'tethys.at';
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const sampleIdentifier = 'oai:' + repIdentifier + ':1'; //$this->_configuration->getSampleIdentifier();
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// Dataset::earliestPublicationDate()->server_date_published->format('Y-m-d\TH:i:s\Z') : null;
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// earliestDateFromDb!= null && (this.xsltParameter['earliestDatestamp'] = earliestDateFromDb?.server_date_published);
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// set parameters for oai-pmh.xslt
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this.xsltParameter['email'] = email;
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this.xsltParameter['repositoryName'] = repositoryName;
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this.xsltParameter['repIdentifier'] = repIdentifier;
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this.xsltParameter['sampleIdentifier'] = sampleIdentifier;
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// $this->proc->setParameter('', 'earliestDatestamp', $earliestDateFromDb);
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this.xml.root().ele('Datasets');
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}
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protected handleListMetadataFormats() {
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this.xml.root().ele('Datasets');
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}
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protected async handleListSets() {
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const repIdentifier = 'tethys.at';
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this.xsltParameter['repIdentifier'] = repIdentifier;
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const datasetElement = this.xml.root().ele('Datasets');
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const sets: { [key: string]: string } = {
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'open_access': 'Set for open access licenses',
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'doc-type:ResearchData': 'Set for document type ResearchData',
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...(await this.getSetsForDatasetTypes()),
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...(await this.getSetsForCollections()),
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// ... await this.getSetsForProjects(),
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} as Dictionary;
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for (const [key, value] of Object.entries(sets)) {
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const setElement = datasetElement.ele('Rdr_Sets');
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setElement.att('Type', key);
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setElement.att('TypeName', value);
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}
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}
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protected async handleGetRecord(oaiRequest: Dictionary) {
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const repIdentifier = 'tethys.at';
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this.xsltParameter['repIdentifier'] = repIdentifier;
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const dataId = this.validateAndGetIdentifier(oaiRequest);
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const dataset = await Dataset.query()
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.where('publish_id', dataId)
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.preload('xmlCache')
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.preload('collections', (builder) => {
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builder.preload('collectionRole');
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})
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.first();
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if (!dataset || !dataset.publish_id) {
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throw new OaiModelException(
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StatusCodes.INTERNAL_SERVER_ERROR,
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'The value of the identifier argument is unknown or illegal in this repository.',
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OaiErrorCodes.IDDOESNOTEXIST,
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);
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}
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const metadataPrefix = this.validateAndGetMetadataPrefix(oaiRequest);
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this.xsltParameter['oai_metadataPrefix'] = metadataPrefix;
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// do not deliver datasets which are restricted by document state defined in deliveringStates
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this.validateDatasetState(dataset);
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// add xml elements
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const datasetNode = this.xml.root().ele('Datasets');
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await this.createXmlRecord(dataset, datasetNode);
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}
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protected async handleListIdentifiers(oaiRequest: Dictionary) {
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!this.tokenWorker.isConnected && (await this.tokenWorker.connect());
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const maxIdentifier: number = config.get('oai.max.listidentifiers', 100);
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await this.handleLists(oaiRequest, maxIdentifier);
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}
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protected async handleListRecords(oaiRequest: Dictionary) {
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!this.tokenWorker.isConnected && (await this.tokenWorker.connect());
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const maxRecords: number = config.get('oai.max.listrecords', 100);
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await this.handleLists(oaiRequest, maxRecords);
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}
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private async handleLists(oaiRequest: Dictionary, maxRecords: number) {
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maxRecords = maxRecords || 100;
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const repIdentifier = 'tethys.at';
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this.xsltParameter['repIdentifier'] = repIdentifier;
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const datasetNode = this.xml.root().ele('Datasets');
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// list initialisation
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const numWrapper: ListParameter = {
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cursor: 0,
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totalIds: 0,
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start: maxRecords + 1,
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reldocIds: [],
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metadataPrefix: '',
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};
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// resumptionToken is defined
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if ('resumptionToken' in oaiRequest) {
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await this.handleResumptionToken(oaiRequest, maxRecords, numWrapper);
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} else {
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// no resumptionToken is given
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await this.handleNoResumptionToken(oaiRequest, numWrapper);
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}
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// handling of document ids
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const restIds = numWrapper.reldocIds as number[];
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const workIds = restIds.splice(0, maxRecords) as number[]; // array_splice(restIds, 0, maxRecords);
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// no records returned
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if (workIds.length == 0) {
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throw new OaiModelException(
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StatusCodes.INTERNAL_SERVER_ERROR,
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'The combination of the given values results in an empty list.',
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OaiErrorCodes.NORECORDSMATCH,
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);
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}
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const datasets: Dataset[] = await Dataset.query()
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.whereIn('publish_id', workIds)
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.preload('xmlCache')
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.preload('collections', (builder) => {
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builder.preload('collectionRole');
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})
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.orderBy('publish_id');
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for (const dataset of datasets) {
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await this.createXmlRecord(dataset, datasetNode);
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}
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// store the further Ids in a resumption-file
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const countRestIds = restIds.length; //84
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if (countRestIds > 0) {
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const token = new ResumptionToken();
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token.startPosition = numWrapper.start; //101
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token.totalIds = numWrapper.totalIds; //184
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token.documentIds = restIds; //101 -184
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token.metadataPrefix = numWrapper.metadataPrefix;
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// $tokenWorker->storeResumptionToken($token);
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const res: string = await this.tokenWorker.set(token);
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// set parameters for the resumptionToken-node
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// const res = token.ResumptionId;
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this.setParamResumption(res, numWrapper.cursor, numWrapper.totalIds);
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}
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}
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private async handleResumptionToken(oaiRequest: Dictionary, maxRecords: number, numWrapper: ListParameter) {
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const resParam = oaiRequest['resumptionToken']; //e.g. "158886496600000"
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const token = await this.tokenWorker.get(resParam);
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if (!token) {
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throw new OaiModelException(StatusCodes.INTERNAL_SERVER_ERROR, 'cache is outdated.', OaiErrorCodes.BADRESUMPTIONTOKEN);
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}
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numWrapper.cursor = token.startPosition - 1; //startet dann bei Index 10
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numWrapper.start = token.startPosition + maxRecords;
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numWrapper.totalIds = token.totalIds;
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numWrapper.reldocIds = token.documentIds;
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numWrapper.metadataPrefix = token.metadataPrefix;
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this.xsltParameter['oai_metadataPrefix'] = numWrapper.metadataPrefix;
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}
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private async handleNoResumptionToken(oaiRequest: Dictionary, numWrapper: ListParameter) {
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// no resumptionToken is given
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if ('metadataPrefix' in oaiRequest) {
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numWrapper.metadataPrefix = oaiRequest['metadataPrefix'];
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} else {
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throw new OaiModelException(
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StatusCodes.INTERNAL_SERVER_ERROR,
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'The prefix of the metadata argument is unknown.',
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OaiErrorCodes.BADARGUMENT,
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);
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}
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this.xsltParameter['oai_metadataPrefix'] = numWrapper.metadataPrefix;
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let finder: ModelQueryBuilderContract<typeof Dataset, Dataset> = Dataset.query();
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// add server state restrictions
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finder.whereIn('server_state', this.deliveringDocumentStates);
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if ('set' in oaiRequest) {
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const set = oaiRequest['set'] as string;
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const setArray = set.split(':');
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if (setArray[0] == 'data-type') {
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if (setArray.length == 2 && setArray[1]) {
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finder.where('type', setArray[1]);
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}
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} else if (setArray[0] == 'open_access') {
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const openAccessLicences = ['CC-BY-4.0', 'CC-BY-SA-4.0'];
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finder.andWhereHas('licenses', (query) => {
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query.whereIn('name', openAccessLicences);
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});
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} else if (setArray[0] == 'ddc') {
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if (setArray.length == 2 && setArray[1] != '') {
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finder.andWhereHas('collections', (query) => {
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query.where('number', setArray[1]);
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});
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}
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}
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}
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// const timeZone = "Europe/Vienna"; // Canonical time zone name
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// &from=2020-09-03&until2020-09-03
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// &from=2020-09-11&until=2021-05-11
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if ('from' in oaiRequest && 'until' in oaiRequest) {
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const from = oaiRequest['from'] as string;
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let fromDate = dayjs(from); //.tz(timeZone);
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const until = oaiRequest['until'] as string;
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let untilDate = dayjs(until); //.tz(timeZone);
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if (!fromDate.isValid() || !untilDate.isValid()) {
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throw new OaiModelException(StatusCodes.INTERNAL_SERVER_ERROR, 'Date Parameter is not valid.', OaiErrorCodes.BADARGUMENT);
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}
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fromDate = dayjs.tz(from, 'Europe/Vienna');
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untilDate = dayjs.tz(until, 'Europe/Vienna');
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if (from.length != until.length) {
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throw new OaiModelException(
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StatusCodes.INTERNAL_SERVER_ERROR,
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'The request has different granularities for the from and until parameters.',
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OaiErrorCodes.BADARGUMENT,
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);
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}
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fromDate.hour() == 0 && (fromDate = fromDate.startOf('day'));
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untilDate.hour() == 0 && (untilDate = untilDate.endOf('day'));
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finder.whereBetween('server_date_published', [fromDate.format('YYYY-MM-DD HH:mm:ss'), untilDate.format('YYYY-MM-DD HH:mm:ss')]);
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} else if ('from' in oaiRequest && !('until' in oaiRequest)) {
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const from = oaiRequest['from'] as string;
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let fromDate = dayjs(from);
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if (!fromDate.isValid()) {
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throw new OaiModelException(
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StatusCodes.INTERNAL_SERVER_ERROR,
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'From date parameter is not valid.',
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OaiErrorCodes.BADARGUMENT,
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);
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}
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fromDate = dayjs.tz(from, 'Europe/Vienna');
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fromDate.hour() == 0 && (fromDate = fromDate.startOf('day'));
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const now = dayjs();
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if (fromDate.isAfter(now)) {
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throw new OaiModelException(
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StatusCodes.INTERNAL_SERVER_ERROR,
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'Given from date is greater than now. The given values results in an empty list.',
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OaiErrorCodes.NORECORDSMATCH,
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);
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} else {
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finder.andWhere('server_date_published', '>=', fromDate.format('YYYY-MM-DD HH:mm:ss'));
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}
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} else if (!('from' in oaiRequest) && 'until' in oaiRequest) {
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const until = oaiRequest['until'] as string;
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let untilDate = dayjs(until);
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if (!untilDate.isValid()) {
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throw new OaiModelException(
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StatusCodes.INTERNAL_SERVER_ERROR,
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'Until date parameter is not valid.',
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OaiErrorCodes.BADARGUMENT,
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);
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}
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untilDate = dayjs.tz(until, 'Europe/Vienna');
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untilDate.hour() == 0 && (untilDate = untilDate.endOf('day'));
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const firstPublishedDataset: Dataset = (await Dataset.earliestPublicationDate()) as Dataset;
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const earliestPublicationDate = dayjs(firstPublishedDataset.server_date_published.toISO()); //format("YYYY-MM-DDThh:mm:ss[Z]"));
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if (earliestPublicationDate.isAfter(untilDate)) {
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throw new OaiModelException(
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StatusCodes.INTERNAL_SERVER_ERROR,
|
|
`earliestDatestamp is greater than given until date.
|
|
The given values results in an empty list.`,
|
|
OaiErrorCodes.NORECORDSMATCH,
|
|
);
|
|
} else {
|
|
finder.andWhere('server_date_published', '<=', untilDate.format('YYYY-MM-DD HH:mm:ss'));
|
|
}
|
|
}
|
|
|
|
let reldocIdsDocs = await finder.select('publish_id').orderBy('publish_id');
|
|
numWrapper.reldocIds = reldocIdsDocs.map((dat) => dat.publish_id);
|
|
numWrapper.totalIds = numWrapper.reldocIds.length; //212
|
|
}
|
|
|
|
private setParamResumption(res: string, cursor: number, totalIds: number) {
|
|
const tomorrow = dayjs().add(1, 'day').format('YYYY-MM-DDThh:mm:ss[Z]');
|
|
this.xsltParameter['dateDelete'] = tomorrow;
|
|
this.xsltParameter['res'] = res;
|
|
this.xsltParameter['cursor'] = cursor;
|
|
this.xsltParameter['totalIds'] = totalIds;
|
|
}
|
|
|
|
private validateAndGetIdentifier(oaiRequest: Dictionary): number {
|
|
// Identifier references metadata Urn, not plain Id!
|
|
// Currently implemented as 'oai:foo.bar.de:{docId}' or 'urn:nbn...-123'
|
|
if (!('identifier' in oaiRequest)) {
|
|
throw new BadOaiModelException('The prefix of the identifier argument is unknown.');
|
|
}
|
|
const dataId = Number(this.getDocumentIdByIdentifier(oaiRequest.identifier));
|
|
if (isNaN(dataId)) {
|
|
throw new OaiModelException(
|
|
StatusCodes.INTERNAL_SERVER_ERROR,
|
|
'The value of the identifier argument is illegal in this repository.',
|
|
OaiErrorCodes.BADARGUMENT,
|
|
);
|
|
}
|
|
return dataId;
|
|
}
|
|
|
|
private validateAndGetMetadataPrefix(oaiRequest: Dictionary): string {
|
|
let metadataPrefix = '';
|
|
if ('metadataPrefix' in oaiRequest) {
|
|
metadataPrefix = oaiRequest['metadataPrefix'];
|
|
} else {
|
|
throw new OaiModelException(
|
|
StatusCodes.INTERNAL_SERVER_ERROR,
|
|
'The prefix of the metadata argument is unknown.',
|
|
OaiErrorCodes.BADARGUMENT,
|
|
);
|
|
}
|
|
return metadataPrefix;
|
|
}
|
|
|
|
private validateDatasetState(dataset: Dataset): void {
|
|
if (dataset.server_state == null || !this.deliveringDocumentStates.includes(dataset.server_state)) {
|
|
throw new OaiModelException(
|
|
StatusCodes.INTERNAL_SERVER_ERROR,
|
|
'Document is not available for OAI export!',
|
|
OaiErrorCodes.NORECORDSMATCH,
|
|
);
|
|
}
|
|
}
|
|
|
|
private async createXmlRecord(dataset: Dataset, datasetNode: XMLBuilder) {
|
|
const domNode = await this.getDatasetXmlDomNode(dataset);
|
|
|
|
if (domNode) {
|
|
// add frontdoor url and data-type
|
|
dataset.publish_id && this.addLandingPageAttribute(domNode, dataset.publish_id.toString());
|
|
this.addSpecInformation(domNode, 'data-type:' + dataset.type);
|
|
|
|
if (dataset.collections) {
|
|
for (const coll of dataset.collections) {
|
|
const collRole = coll.collectionRole;
|
|
this.addSpecInformation(domNode, collRole.oai_name + ':' + coll.number);
|
|
}
|
|
}
|
|
|
|
datasetNode.import(domNode);
|
|
}
|
|
}
|
|
|
|
private async getDatasetXmlDomNode(dataset: Dataset) {
|
|
const xmlModel = new XmlModel(dataset);
|
|
// xmlModel.setModel(dataset);
|
|
xmlModel.excludeEmptyFields();
|
|
xmlModel.caching = true;
|
|
// const cache = dataset.xmlCache ? dataset.xmlCache : null;
|
|
// dataset.load('xmlCache');
|
|
if (dataset.xmlCache) {
|
|
xmlModel.xmlCache = dataset.xmlCache;
|
|
}
|
|
|
|
// return cache.getDomDocument();
|
|
const domDocument: XMLBuilder | null = await xmlModel.getDomDocument();
|
|
return domDocument;
|
|
}
|
|
|
|
private addSpecInformation(domNode: XMLBuilder, information: string) {
|
|
domNode.ele('SetSpec').att('Value', information);
|
|
}
|
|
|
|
private addLandingPageAttribute(domNode: XMLBuilder, dataid: string) {
|
|
const baseDomain = process.env.OAI_BASE_DOMAIN || 'localhost';
|
|
const url = 'https://' + getDomain(baseDomain) + '/dataset/' + dataid;
|
|
// add attribute du dataset xml element
|
|
domNode.att('landingpage', url);
|
|
}
|
|
|
|
private getDocumentIdByIdentifier(oaiIdentifier: string): string {
|
|
const identifierParts: string[] = oaiIdentifier.split(':'); // explode(":", $oaiIdentifier);
|
|
const dataId: string = identifierParts[2];
|
|
// switch (identifierParts[0]) {
|
|
// case 'oai':
|
|
// if (isset($identifierParts[2])) {
|
|
// $dataId = $identifierParts[2];
|
|
// }
|
|
// break;
|
|
// default:
|
|
// throw new OaiModelException(
|
|
// 'The prefix of the identifier argument is unknown.',
|
|
// OaiModelError::BADARGUMENT
|
|
// );
|
|
// break;
|
|
// }
|
|
|
|
// if (empty($dataId) or !preg_match('/^\d+$/', $dataId)) {
|
|
// throw new OaiModelException(
|
|
// 'The value of the identifier argument is unknown or illegal in this repository.',
|
|
// OaiModelError::IDDOESNOTEXIST
|
|
// );
|
|
|
|
return dataId;
|
|
}
|
|
|
|
private async getSetsForCollections(): Promise<Dictionary> {
|
|
const sets: { [key: string]: string } = {} as Dictionary;
|
|
|
|
const collections = await Collection.query()
|
|
.select('name', 'number', 'role_id')
|
|
.whereHas('collectionRole', (query) => {
|
|
query.where('visible_oai', true);
|
|
})
|
|
.preload('collectionRole');
|
|
|
|
collections.forEach((collection) => {
|
|
// if collection has a collection role (classification like ddc):
|
|
if (collection.number) {
|
|
// collection.load('collectionRole');
|
|
const setSpec = collection.collectionRole?.oai_name + ':' + collection.number;
|
|
sets[setSpec] = `Set ${collection.number} '${collection.name}'`;
|
|
}
|
|
});
|
|
return sets;
|
|
}
|
|
|
|
private async getSetsForDatasetTypes(): Promise<Dictionary> {
|
|
const sets: { [key: string]: string } = {} as Dictionary;
|
|
|
|
const datasets: Array<Dataset> = await Dataset.query().select('type').where('server_state', 'published');
|
|
|
|
datasets.forEach((dataset) => {
|
|
if (dataset.type && false == preg_match(this.sampleRegEx, dataset.type)) {
|
|
const msg = `Invalid SetSpec (data-type='${dataset.type}').
|
|
Allowed characters are [${this.sampleRegEx}].`;
|
|
// Log::error("OAI-PMH: $msg");
|
|
logger.error(`OAI-PMH: ${msg}`);
|
|
return;
|
|
}
|
|
const setSpec = 'data-type:' + dataset.type;
|
|
sets[setSpec] = `Set for document type '${dataset.type}'`;
|
|
});
|
|
return sets;
|
|
}
|
|
|
|
private handleIllegalVerb() {
|
|
this.xsltParameter['oai_error_code'] = 'badVerb';
|
|
this.xsltParameter['oai_error_message'] = 'The verb provided in the request is illegal.';
|
|
}
|
|
}
|