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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the Geocoder package. |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @license MIT License |
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*/ |
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namespace Geocoder\Provider\GraphHopper; |
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use Geocoder\Collection; |
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use Geocoder\Exception\InvalidCredentials; |
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use Geocoder\Exception\UnsupportedOperation; |
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use Geocoder\Model\Address; |
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use Geocoder\Model\AddressCollection; |
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use Geocoder\Query\GeocodeQuery; |
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use Geocoder\Query\ReverseQuery; |
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use Geocoder\Http\Provider\AbstractHttpProvider; |
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use Geocoder\Provider\Provider; |
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use Http\Client\HttpClient; |
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/** |
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* @author Gary Gale <[email protected]> |
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*/ |
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final class GraphHopper extends AbstractHttpProvider implements Provider |
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{ |
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/** |
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* @var string |
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*/ |
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const GEOCODE_ENDPOINT_URL = 'https://graphhopper.com/api/1/geocode?q=%s&key=%s&locale=%s&limit=%d'; |
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/** |
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* @var string |
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*/ |
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const REVERSE_ENDPOINT_URL = 'https://graphhopper.com/api/1/geocode?reverse=true&point=%f,%f&key=%s&locale=%s&limit=%d'; |
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/** |
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* @var string |
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*/ |
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private $apiKey; |
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/** |
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* @param HttpClient $client an HTTP adapter |
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* @param string $apiKey an API key |
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*/ |
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public function __construct(HttpClient $client, string $apiKey) |
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{ |
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if (empty($apiKey)) { |
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throw new InvalidCredentials('No API key provided.'); |
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} |
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$this->apiKey = $apiKey; |
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parent::__construct($client); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function geocodeQuery(GeocodeQuery $query): Collection |
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{ |
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$address = $query->getText(); |
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// This API doesn't handle IPs |
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if (filter_var($address, FILTER_VALIDATE_IP)) { |
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throw new UnsupportedOperation('The GraphHopper provider does not support IP addresses, only street addresses.'); |
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} |
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$url = sprintf(self::GEOCODE_ENDPOINT_URL, urlencode($address), $this->apiKey, $query->getLocale(), $query->getLimit()); |
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return $this->executeQuery($url); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function reverseQuery(ReverseQuery $query): Collection |
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{ |
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$coordinates = $query->getCoordinates(); |
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$longitude = $coordinates->getLongitude(); |
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$latitude = $coordinates->getLatitude(); |
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$url = sprintf(self::REVERSE_ENDPOINT_URL, $latitude, $longitude, $this->apiKey, $query->getLocale(), $query->getLimit()); |
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return $this->executeQuery($url); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getName(): string |
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{ |
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return 'graphhopper'; |
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} |
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/** |
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* @param $url |
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* |
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* @return Collection |
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*/ |
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private function executeQuery(string $url): AddressCollection |
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{ |
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$content = $this->getUrlContents($url); |
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$json = json_decode($content, true); |
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if (!isset($json['hits'])) { |
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return new AddressCollection([]); |
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} |
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$locations = $json['hits']; |
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if (empty($locations)) { |
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return new AddressCollection([]); |
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} |
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$results = []; |
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foreach ($locations as $location) { |
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$bounds = [ |
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'east' => null, |
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'north' => null, |
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'west' => null, |
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'south' => null, |
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]; |
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if (isset($location['extent'])) { |
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$bounds = [ |
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'east' => $location['extent'][0], |
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'north' => $location['extent'][1], |
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'west' => $location['extent'][2], |
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'south' => $location['extent'][3], |
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]; |
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} |
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$results[] = Address::createFromArray([ |
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'providedBy' => $this->getName(), |
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'latitude' => $location['point']['lat'], |
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'longitude' => $location['point']['lng'], |
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'bounds' => $bounds, |
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'streetNumber' => isset($location['housenumber']) ? $location['housenumber'] : null, |
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'streetName' => isset($location['street']) ? $location['street'] : null, |
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'locality' => isset($location['city']) ? $location['city'] : null, |
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'postalCode' => isset($location['postcode']) ? $location['postcode'] : null, |
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'country' => isset($location['country']) ? $location['country'] : null, |
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]); |
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} |
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return new AddressCollection($results); |
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} |
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} |
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geocoder-php /
graphhopper-provider
