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<?php |
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/** |
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* (c) Kitodo. Key to digital objects e.V. <[email protected]> |
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* |
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* This file is part of the Kitodo and TYPO3 projects. |
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* |
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* @license GNU General Public License version 3 or later. |
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* For the full copyright and license information, please read the |
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* LICENSE.txt file that was distributed with this source code. |
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*/ |
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namespace Kitodo\Dlf\Api\Viaf; |
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use Psr\Http\Message\RequestFactoryInterface; |
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use TYPO3\CMS\Core\Http\RequestFactory; |
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use TYPO3\CMS\Core\Log\Logger; |
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use TYPO3\CMS\Core\Log\LogManager; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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/** |
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* VIAF API Client class |
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* |
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* @package TYPO3 |
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* @subpackage dlf |
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* |
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* @access public |
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**/ |
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class Client |
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{ |
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/** |
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* @access protected |
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* @var Logger This holds the logger |
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*/ |
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protected Logger $logger; |
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/** |
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* @access private |
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* @var string The VIAF API endpoint |
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**/ |
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private string $endpoint = 'viaf.xml'; |
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/** |
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* @access private |
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* @var string The VIAF URL for the profile |
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**/ |
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private string $viafUrl; |
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/** |
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* @access private |
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* @var RequestFactoryInterface The request object |
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**/ |
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private RequestFactoryInterface $requestFactory; |
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/** |
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* Constructs a new instance |
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* |
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* @access public |
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* |
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* @param string $viaf the VIAF identifier of the profile |
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* @param RequestFactory $requestFactory a request object to inject |
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* |
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* @return void |
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**/ |
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public function __construct(string $viaf, RequestFactory $requestFactory) |
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{ |
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$this->logger = GeneralUtility::makeInstance(LogManager::class)->getLogger(static::class); |
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$this->viafUrl = 'http://viaf.org/viaf/' . $viaf; |
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$this->requestFactory = $requestFactory; |
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} |
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/** |
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* Sets API endpoint |
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* |
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* @access public |
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* |
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* @param string $endpoint the shortname of the endpoint |
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* |
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* @return void |
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*/ |
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public function setEndpoint(string $endpoint): void { |
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$this->endpoint = $endpoint; |
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} |
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/** |
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* Get the profile data |
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* |
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* @access public |
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* |
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* @return object|bool |
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**/ |
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public function getData() |
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{ |
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$url = $this->getApiEndpoint(); |
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try { |
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$response = $this->requestFactory->request($url); |
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} catch (\Exception $e) { |
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$this->logger->warning('Could not fetch data from URL "' . $url . '". Error: ' . $e->getMessage() . '.'); |
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return false; |
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} |
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return $response->getBody()->getContents(); |
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} |
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/** |
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* Creates the qualified API endpoint for retrieving the desired data |
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* |
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* @access private |
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* |
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* @return string |
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**/ |
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private function getApiEndpoint(): string |
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{ |
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return $this->viafUrl . '/' . $this->endpoint; |
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} |
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} |
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Erikmitk /
kitodo-presentation
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