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<?php
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namespace Radowoj\Searcher\SearchProvider;
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use stdClass;
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use InvalidArgumentException;
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8
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use GuzzleHttp\Client as GuzzleClient;
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use Radowoj\Searcher\SearchResult\Collection;
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use Radowoj\Searcher\SearchResult\Item;
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class Bing extends SearchProvider implements ISearchProvider
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{
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const URI = 'https://api.cognitive.microsoft.com/bing/v5.0/search?';
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const API_KEY_HEADER = 'Ocp-Apim-Subscription-Key';
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protected $apiKey = null;
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protected $guzzle = null;
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public function __construct(string $apiKey, GuzzleClient $guzzle)
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{
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$this->apiKey = $apiKey;
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$this->guzzle = $guzzle;
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}
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protected function searchRequest(string $query, int $limit, int $offset) : stdClass
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{
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$params = [
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'q' => $query,
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'count' => $limit,
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'offset' => $offset
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];
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$queryString = http_build_query($params);
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$uri = self::URI . $queryString;
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$result = $this->guzzle->request(
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'GET',
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$uri, [
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'headers' => [
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self::API_KEY_HEADER => $this->apiKey
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]
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]
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);
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return json_decode($result->getBody());
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}
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protected function validateResult(stdClass $result)
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{
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if (!isset($result->webPages->value) || !isset($result->webPages->totalEstimatedMatches)) {
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throw new InvalidArgumentException("Invalid Bing API response: " . print_r($result, 1));
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}
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}
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protected function getCollection(stdClass $result)
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{
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$this->validateResult($result);
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$results = array_map(function($item) {
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return new Item([
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'url' => $item->displayUrl,
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'title' => $item->name,
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'description' => $item->snippet,
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]);
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}, $result->webPages->value);
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return new Collection(
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$results,
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$result->webPages->totalEstimatedMatches
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);
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}
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82
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}
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radowoj /
searcher
