94 lines
3.3 KiB
PHP
94 lines
3.3 KiB
PHP
<?php
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/**
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* OAI-PMH 2.0 Data Provider
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* Copyright (C) 2024 Sebastian Meyer <sebastian.meyer@opencultureconsulting.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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declare(strict_types=1);
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namespace OCC\OaiPmh2\Middleware;
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use GuzzleHttp\Psr7\Uri;
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use OCC\OaiPmh2\Configuration;
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use OCC\OaiPmh2\Database;
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use OCC\OaiPmh2\Document;
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use OCC\OaiPmh2\Middleware;
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use Psr\Http\Message\ServerRequestInterface;
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/**
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* Process the "Identify" request.
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* @see https://www.openarchives.org/OAI/openarchivesprotocol.html#Identify
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*
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* @author Sebastian Meyer <sebastian.meyer@opencultureconsulting.com>
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* @package opencultureconsulting/oai-pmh2
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*/
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class Identify extends Middleware
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{
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/**
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* Prepare the response body for verb "Identify".
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*
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* @param ServerRequestInterface $request The incoming request
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*
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* @return void
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*/
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protected function prepareResponse(ServerRequestInterface $request): void
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{
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$document = new Document($request);
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$identify = $document->createElement('Identify', '', true);
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$name = Configuration::getInstance()->repositoryName;
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$repositoryName = $document->createElement('repositoryName', $name);
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$identify->appendChild($repositoryName);
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$uri = Uri::composeComponents(
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$request->getUri()->getScheme(),
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$request->getUri()->getAuthority(),
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$request->getUri()->getPath(),
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null,
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null
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);
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$baseURL = $document->createElement('baseURL', $uri);
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$identify->appendChild($baseURL);
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$protocolVersion = $document->createElement('protocolVersion', '2.0');
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$identify->appendChild($protocolVersion);
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$email = Configuration::getInstance()->adminEmail;
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$adminEmail = $document->createElement('adminEmail', $email);
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$identify->appendChild($adminEmail);
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$datestamp = Database::getInstance()->getEarliestDatestamp();
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$earliestDatestamp = $document->createElement('earliestDatestamp', $datestamp);
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$identify->appendChild($earliestDatestamp);
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$deletedRecord = $document->createElement('deletedRecord', 'transient');
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$identify->appendChild($deletedRecord);
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$granularity = $document->createElement('granularity', 'YYYY-MM-DDThh:mm:ssZ');
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$identify->appendChild($granularity);
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// TODO: Implement explicit content compression support.
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// $compressionDeflate = $document->createElement('compression', 'deflate');
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// $identify->appendChild($compressionDeflate);
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// $compressionGzip = $document->createElement('compression', 'gzip');
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// $identify->appendChild($compressionGzip);
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$this->preparedResponse = $document;
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}
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}
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