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<?php |
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namespace Bone\Http\Middleware; |
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use League\Route\Dispatcher; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Server\MiddlewareInterface; |
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use Psr\Http\Server\RequestHandlerInterface; |
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class HalCollection implements MiddlewareInterface |
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{ |
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/** @var int $numPerPage */ |
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private $numPerPage; |
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/** |
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* HalCollection constructor. |
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* @param int $numPerPage |
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*/ |
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public function __construct(int $numPerPage) |
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{ |
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$this->numPerPage = $numPerPage; |
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} |
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/** |
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* @param ServerRequestInterface $request |
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* @param RequestHandlerInterface $handler |
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* @return ResponseInterface |
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*/ |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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$params = $request->getQueryParams(); |
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$page = isset($params['page']) ? (int) $params['page'] : 1; |
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$limit = $this->numPerPage; |
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$params['limit'] = $limit; |
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$params['offset'] = ($page * $limit) - $limit; |
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$request = $request->withQueryParams($params); |
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$response = $handler->handle($request); |
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$uri = $request->getUri(); |
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$data = json_decode($response->getBody()->getContents(), true); |
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$pageCount = (int) ceil($data['total'] / $limit); |
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$hal = [ |
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'_links' => [ |
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'self' => [ |
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'href' => $uri->getScheme() . '://' . $uri->getHost() . $uri->getPath(), |
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], |
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'first' => [ |
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'href' => $uri->getScheme() . '://' . $uri->getHost() . $uri->getPath(), |
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], |
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], |
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]; |
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View Code Duplication |
if ($page !== 1) { |
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$hal['_links']['prev'] = [ |
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'href' => $uri->getScheme() . '://' . $uri->getHost() . $uri->getPath() . '?page=' . ($page - 1), |
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]; |
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} |
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View Code Duplication |
if ($page !== $pageCount) { |
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$hal['_links']['next'] = [ |
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'href' => $uri->getScheme() . '://' . $uri->getHost() . $uri->getPath() . '?page=' . ($page + 1), |
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]; |
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} |
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$hal['_links']['last'] = [ |
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'href' => $uri->getScheme() . '://' . $uri->getHost() . $uri->getPath() . '?page=' . $pageCount, |
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]; |
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/** @todo add _self links for entities in collection */ |
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$data = array_merge($hal, $data); |
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foreach ($data['_embedded'] as $key => $value) { |
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$data['_embedded'][$key]['_links'] = [ |
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'self' => [ |
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'href' => $uri->getScheme() . '://' . $uri->getHost() . $uri->getPath() . '/' . $value['id'], |
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], |
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]; |
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} |
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$body = $response->getBody(); |
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$body->rewind(); |
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$body->write(json_encode($data)); |
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$response = $response->withHeader('Content-Type', 'application/hal+json'); |
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return $response->withBody($body); |
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} |
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} |
delboy1978uk /
bone
Loading history...
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.