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<?php |
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/* |
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* This file is part of dispositif/wikibot application (@github) |
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* 2019-2023 © Philippe M./Irønie <[email protected]> |
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* For the full copyright and MIT license information, view the license file. |
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*/ |
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declare(strict_types=1); |
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namespace App\Infrastructure; |
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use App\Application\InfrastructurePorts\HttpClientInterface; |
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use App\Application\InfrastructurePorts\PageListForAppInterface; |
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use App\Domain\Exceptions\ConfigException; |
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use App\Domain\InfrastructurePorts\PageListInterface; |
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use Exception; |
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use GuzzleHttp\Psr7\Response; |
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use InvalidArgumentException; |
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use Throwable; |
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/** |
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* https://fr.wikipedia.org/w/api.php?action=help&modules=query%2Bsearch |
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* https://www.mediawiki.org/wiki/Help:CirrusSearch#Insource |
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* raw https://fr.wikipedia.org/w/api.php?action=query&list=search&srsearch=%22https://books.google%22%20insource:/\%3Cref\%3Ehttps\:\/\/books\.google/&formatversion=2&format=json |
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* Dirty. |
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* Class CirrusSearch |
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* |
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* @package App\Infrastructure |
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*/ |
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class CirrusSearch implements PageListInterface, PageListForAppInterface |
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{ |
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final public const BASE_URL = 'https://fr.wikipedia.org/w/api.php'; |
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public const NAMESPACE_MAIN = 0; |
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private const SEARCH_CONTINUE_FILENAME = __DIR__ . '/../../resources/cirrusSearch-HASH.txt'; // move to config |
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/** |
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* @var array|string[] |
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*/ |
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protected array $requestParams = []; |
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private array $defaultParams |
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= [ |
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'action' => 'query', |
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'list' => 'search', |
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'formatversion' => '2', |
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'format' => 'json', |
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'srnamespace' => '0', |
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'srlimit' => '100', |
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]; |
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private readonly HttpClientInterface $client; |
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/** |
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* $options : "continue" => true for continue search |
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*/ |
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public function __construct(private readonly array $params, private ?array $options = []) |
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{ |
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$this->client = ServiceFactory::getHttpClient(); |
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} |
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/** |
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* todo move to ApiSearch |
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* |
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* @return array |
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* @throws ConfigException |
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*/ |
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public function getPageTitles(): array |
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{ |
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$arrayResp = $this->httpRequest(); |
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if (($this->options['continue'] ?? false) && (!empty($arrayResp['continue']['sroffset']))) { |
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$continueOffset = (int) $arrayResp['continue']['sroffset']; |
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$this->saveOffsetInFile($continueOffset); |
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} |
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if (!isset($arrayResp['query']) || empty($arrayResp['query']['search'])) { |
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return []; |
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} |
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$results = $arrayResp['query']['search']; |
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$titles = []; |
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foreach ($results as $res) { |
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if (!empty($res['title'])) { |
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$titles[] = trim((string) $res['title']); // trim utile ? |
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} |
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} |
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if (isset($this->options['reverse']) && $this->options['reverse'] === true) { |
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krsort($titles); |
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} |
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return $titles; |
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} |
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public function setOptions(?array $options): void |
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{ |
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$this->options = $options; |
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} |
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private function getURL(): string |
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{ |
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if (empty($this->params['srsearch'])) { |
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throw new InvalidArgumentException('No "srsearch" argument in params.'); |
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} |
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$this->requestParams = array_merge($this->defaultParams, $this->params); |
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if ($this->options['continue'] ?? false) { |
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$this->requestParams['sroffset'] = $this->getOffsetFromFile($this->requestParams); |
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echo sprintf("Extract offset %s from file \n", $this->requestParams['sroffset']); |
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} |
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// RFC3986 : space => %20 |
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$query = http_build_query($this->requestParams, 'bla', '&', PHP_QUERY_RFC3986); |
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return self::BASE_URL.'?'.$query; |
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} |
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/** |
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* todo Wiki API ? |
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* |
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* @throws ConfigException |
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* @throws Exception |
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*/ |
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private function httpRequest(): array |
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{ |
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$e = null; |
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$url = $this->getURL(); |
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if ($url === '' || $url === '0') { |
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throw new ConfigException('CirrusSearch null URL'); |
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} |
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// improve with curl options ? |
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$response = $this->client->get($url); |
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/** |
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* @var $response Response |
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*/ |
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if ($response->getStatusCode() !== 200) { |
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throw new Exception( |
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'CirrusSearch error : '.$response->getStatusCode().' '.$response->getReasonPhrase() |
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); |
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} |
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$json = $response->getBody()->getContents(); |
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if (empty($json)) { |
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return []; |
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} |
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try { |
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$array = json_decode((string) $json, true, 512, JSON_THROW_ON_ERROR); |
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} catch (Throwable $e) { |
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throw new Exception($e->getMessage(), $e->getCode(), $e); |
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} |
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return $array; |
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} |
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private function getOffsetFromFile(array $allParams): int |
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{ |
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$hash = $this->hashSearchParams($allParams); |
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$file = str_replace('HASH', $hash, self::SEARCH_CONTINUE_FILENAME); |
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if (!file_exists($file)) { |
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return 0; |
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} |
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return (int) trim(file_get_contents($file)); |
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} |
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private function saveOffsetInFile(int $continueOffset = 0): void |
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{ |
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$hash = $this->hashSearchParams($this->requestParams); |
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$file = str_replace('HASH', $hash, self::SEARCH_CONTINUE_FILENAME); |
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file_put_contents($file, $continueOffset); |
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} |
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private function hashSearchParams(array $params): string |
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{ |
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if (empty($params)) { |
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throw new InvalidArgumentException('No search argument in params.'); |
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} |
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if (isset($params['sroffset'])) { |
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unset($params['sroffset']); |
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} |
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return md5(implode('', $params)); |
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} |
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} |
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Dispositif /
Wikibot
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