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<?php |
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namespace ElevenLabs\Api\Service\Pagination\Provider; |
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use ElevenLabs\Api\Definition\ResponseDefinition; |
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use ElevenLabs\Api\Service\Pagination\Pagination; |
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use ElevenLabs\Api\Service\Pagination\PaginationLinks; |
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use ElevenLabs\Api\Service\Pagination\PaginationProvider; |
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use Psr\Http\Message\ResponseInterface; |
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/** |
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* Class HateoasPagination |
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* |
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* @package App\Service\Pagination |
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*/ |
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class HateoasPagination implements PaginationProvider |
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{ |
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/** |
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* Default mapping for pagination request headers |
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* |
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* @var array |
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*/ |
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const DEFAULT_PAGINATION_VALUE = [ |
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// current page |
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'page' => 'page', |
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// number of items per page |
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'perPage' => 'perPage', |
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// number of items available in total |
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'totalItems' => 'totalItems', |
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// number of pages available |
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'totalPages' => 'totalPages' |
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]; |
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/** |
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* @var array |
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*/ |
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private $paginationHeaders; |
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public function __construct(array $config = []) |
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{ |
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foreach (self::DEFAULT_PAGINATION_VALUE as $name => $headerName) { |
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if (isset($config[$name])) { |
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$headerName = $config[$name]; |
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} |
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$this->paginationHeaders[$name] = $headerName; |
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} |
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} |
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/** |
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* @param array $data The decoded response body |
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* @param ResponseInterface $response |
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* @param ResponseDefinition $responseDefinition |
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* |
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* @return Pagination |
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*/ |
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public function getPagination(array &$data, ResponseInterface $response, ResponseDefinition $responseDefinition) |
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{ |
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$paginationLinks = null; |
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if (!empty($data['_links'])) { |
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$links = self::parseLinks($data['_links']); |
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$paginationLinks = new PaginationLinks($links['first'], $links['last'], $links['next'], $links['prev']); |
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} |
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$count = (int) $data[$this->paginationHeaders['totalPages']]; |
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$total = (int) $data[$this->paginationHeaders['totalItems']]; |
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$perPage = (int) $data[$this->paginationHeaders['perPage']]; |
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$currentPage = (int) $data[$this->paginationHeaders['page']]; |
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$data = reset($data['_embedded']); |
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return new Pagination($currentPage, $perPage, $total, $count, $paginationLinks); |
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} |
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/** |
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* Indicate if the pagination is supported |
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* |
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* @param array $data The decoded response body |
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* @param ResponseInterface $response |
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* @param ResponseDefinition $responseDefinition |
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* |
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* @return bool |
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*/ |
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public function supportPagination(array $data, ResponseInterface $response, ResponseDefinition $responseDefinition) |
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{ |
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foreach ($this->paginationHeaders as $value) { |
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if (!isset($data[$value])) { |
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return false; |
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} |
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} |
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if (isset($data['_links']) && isset($data['_embedded'])) { |
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$links = $data['_links']; |
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if (isset($links['self']) && isset($links['first']) && isset($links['last'])) { |
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return true; |
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} |
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return false; |
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} |
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return false; |
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} |
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private static function parseLinks(array $headerLinks) |
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{ |
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$links = ['next' => null, 'prev' => null, 'first' => null, 'last' => null]; |
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foreach ($headerLinks as $name => $headerLink) { |
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if ($name === "self") { |
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continue; |
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} |
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$links[$name] = $headerLink['href']; |
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} |
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return $links; |
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} |
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} |
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eleven-labs /
api-service
