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<?php |
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namespace rOpenDev\Qwant; |
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use rOpenDev\Google\CacheTrait; |
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use rOpenDev\Google\ConfSearchTrait; |
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use rOpenDev\Google\SleepTrait; |
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abstract class QwantSearch |
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{ |
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use CacheTrait; |
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use ConfSearchTrait; |
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use SleepTrait; |
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// ======= |
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// ------- |
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// ======= |
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protected $offset = 0; |
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/** @var int Current page * */ |
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protected $page = 1; |
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/** |
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* @var string contain the current error |
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*/ |
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protected $error; |
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protected $errors = [ |
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1 => 'Google Captcha', |
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2 => 'Google `We\'re sorry` (flagged as automated request)', |
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3 => 'Erreurs cURL', |
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]; |
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/** |
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* Contient les erreurs provenant du cURL. |
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*/ |
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public $cErrors; |
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public function generateGoogleSearchUrl() |
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{ |
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$this->setParameter('q', $this->q); |
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// ToSearchFromFranceInFrench, move it to config (todo) |
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$defaultParameter = 'r=FR&sr=fr&l=fr_fr&h=0&s=1&a=1&b=1&vt=0&hc=1&smartNews=1&smartSocial=1&theme=0&i=1&donation=0&qoz=1&shb=1&shl=1'; |
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//$url = 'https://www.qwant.com/search?'.$defaultParameter.'&q='.urlencode($this->q);//.$this->generateParameters(); |
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$url = 'https://api.qwant.com/api/search/web?count=10&q='.urlencode($this->q).'&t=web&device=desktop&extensionDisabled=true&safesearch=1&locale=fr_FR&uiv=4'; |
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return $url; |
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} |
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protected function generateParameters() |
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{ |
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return http_build_query($this->parameters, '', '&'); |
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} |
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/** |
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* @return string|false Contenu html de la page |
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*/ |
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abstract protected function requestGoogle(string $url); |
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/* |
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* Am I Kicked By Google ? Did you reach the google limits ?! |
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* |
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* @param string $output Html source |
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* |
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* @return int|false |
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*/ |
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protected function amIKickedByGoogleThePowerful($output) |
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{ |
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return false; |
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} |
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/** |
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* @return string explaining the error |
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*/ |
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public function getError() |
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{ |
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if (null !== $this->error) { |
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return $this->errors[$this->error]; |
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} |
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return false; |
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} |
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/** |
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* @return array|false containing the results with column type, link, title |
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*/ |
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public function extractResults() |
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{ |
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for ($this->page = 1; $this->page <= $this->nbrPage; ++$this->page) { |
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if (! isset($url)) {// On génère l'url pour la première requète... Ensuite, on utilisera le lien Suivant. |
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$url = $this->generateGoogleSearchUrl(); |
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} |
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$output = $this->requestGoogle($url); |
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if (false === $output) { |
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return false; |
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} |
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$extract = $this->extractResultsFromJson(json_decode($output, true)); |
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//var_dump($extract); exit; |
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$this->numberItemsJustExtracted = \count($extract); |
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$this->result = array_merge($this->result, $extract); |
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//h3 > a[href] |
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$nextPageLink = $this->getNextPageLink(); |
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if ($this->nbrPage > 1 && $nextPageLink) { |
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$url = $nextPageLink; |
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} else { |
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break; |
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} |
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} |
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return $this->result; |
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} |
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public function extractResultsFromJson($json) |
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{ |
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$results = []; |
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if (isset($json['data']['result']['items'])) { |
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foreach ($json['data']['result']['items'] as $item) { |
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$results[] = [ |
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'type' => 'organic', |
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'title' => strip_tags($item['title']), |
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'link' => $item['url'], |
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]; |
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} |
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} |
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return $results; |
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} |
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public function getNextPageLink() |
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{ |
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if ($this->offset > 90 || $this->numberItemsJustExtracted < 10) { |
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return false; |
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} |
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$this->offset = $this->offset + 10; |
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return $this->generateGoogleSearchUrl().'&offset='.$this->offset; |
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} |
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} |
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RobinDev /
Google
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