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<?php declare(strict_types=1); |
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namespace GSoares\GoogleTrends\Search; |
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use GSoares\GoogleTrends\Error\GoogleTrendsException; |
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use GuzzleHttp\Client; |
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use GuzzleHttp\ClientInterface; |
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use GuzzleHttp\Exception\ClientException; |
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use GuzzleHttp\Exception\GuzzleException; |
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use GuzzleHttp\RequestOptions; |
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use Psr\Http\Message\ResponseInterface; |
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use Throwable; |
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/** |
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* @author Gabriel Felipe Soares <[email protected]> |
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*/ |
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class SearchRequest |
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{ |
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/** |
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* @var ClientInterface |
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*/ |
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private $guzzleClient; |
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/** |
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* @var int |
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*/ |
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private $maxTries; |
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/** |
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* @var int |
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*/ |
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private $totalTries; |
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public function __construct(ClientInterface $guzzleClient = null) |
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{ |
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$this->guzzleClient = $guzzleClient ?: new Client(); |
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$this->maxTries = 5; |
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$this->totalTries = 0; |
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} |
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public function setMaxTries(int $maxTries): self |
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{ |
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$this->maxTries = $maxTries; |
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return $this; |
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} |
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/** |
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* @param string $searchUrl |
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* @return array |
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* |
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* @throws GoogleTrendsException |
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*/ |
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public function search(string $searchUrl): array |
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{ |
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try { |
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$response = $this->doSearch($searchUrl); |
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} catch (ClientException $exception) { |
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throw new GoogleTrendsException( |
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sprintf( |
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'Request error with status code "%s" for url "%s"', |
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$exception->getResponse()->getStatusCode(), |
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$searchUrl |
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), |
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$exception |
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); |
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} catch (Throwable $exception) { |
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throw new GoogleTrendsException( |
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$exception->getMessage(), |
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$exception |
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); |
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} finally { |
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$this->totalTries = 0; |
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} |
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$responseBody = substr((string)$response->getBody(), 5); |
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$responseDecoded = json_decode($responseBody, true); |
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if (json_last_error()) { |
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throw new GoogleTrendsException( |
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sprintf( |
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'JSON parse error "%s" for JSON "%s"', |
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json_last_error_msg(), |
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$responseBody |
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) |
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); |
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} |
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return $responseDecoded; |
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} |
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/** |
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* @param string $searchUrl |
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* @param array $options |
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* |
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* @return ResponseInterface |
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* |
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* @throws GuzzleException |
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*/ |
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private function doSearch(string $searchUrl, array $options = []): ResponseInterface |
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{ |
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try { |
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$this->totalTries++; |
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return $this->guzzleClient |
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->request('GET', $searchUrl, $options); |
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} catch (ClientException $exception) { |
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if ($exception->getResponse()->getStatusCode() === 429 && $this->totalTries < $this->maxTries) { |
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return $this->doSearch( |
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$searchUrl, |
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[ |
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RequestOptions::HEADERS => [ |
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'cookie' => $this->getRefreshedCookieHeader($exception) |
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] |
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] |
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); |
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} |
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throw $exception; |
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} |
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} |
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private function getRefreshedCookieHeader(ClientException $exception): string |
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{ |
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return (string)explode( |
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';', |
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$exception->getResponse()->getHeaders()['Set-Cookie'][0] ?? [] |
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)[0]; |
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} |
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} |
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gabrielfs7 /
google-trends
