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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\SPW; |
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use Geocoder\Collection; |
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use Geocoder\Exception\InvalidArgument; |
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use Geocoder\Exception\InvalidServerResponse; |
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use Geocoder\Exception\UnsupportedOperation; |
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use Geocoder\Http\Provider\AbstractHttpProvider; |
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use Geocoder\Model\Address; |
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use Geocoder\Model\AddressCollection; |
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use Geocoder\Provider\Provider; |
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use Geocoder\Query\GeocodeQuery; |
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use Geocoder\Query\ReverseQuery; |
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use Http\Client\HttpClient; |
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use proj4php\Point; |
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use proj4php\Proj; |
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use proj4php\Proj4php; |
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/** |
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* @author Jonathan Beliën <[email protected]> |
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*/ |
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final class SPW 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 = 'http://geoservices.wallonie.be/geolocalisation/rest/searchPositionScored/%s/'; |
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/** |
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* @var string |
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*/ |
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const REVERSE_ENDPOINT_URL = 'http://geoservices.wallonie.be/geolocalisation/rest/getNearestPosition/%F/%F/'; |
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/** |
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* @param HttpClient $client an HTTP adapter |
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*/ |
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public function __construct(HttpClient $client) |
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{ |
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parent::__construct($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 = $query->getText(); |
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// This API does not support IP |
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if (filter_var($address, FILTER_VALIDATE_IP)) { |
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throw new UnsupportedOperation('The SPW provider does not support IP addresses, only street addresses.'); |
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} |
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// Save a request if no valid address entered |
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if (empty($address)) { |
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throw new InvalidArgument('Address cannot be empty.'); |
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} |
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$url = sprintf(self::GEOCODE_ENDPOINT_URL, urlencode($address)); |
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$json = $this->executeQuery($url); |
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// no result |
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if (is_null($json->x) && is_null($json->y)) { |
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return new AddressCollection([]); |
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} |
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$results = []; |
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$proj4 = new Proj4php(); |
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$proj31370 = new Proj('EPSG:31370', $proj4); |
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$proj4326 = new Proj('EPSG:4326', $proj4); |
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$pointSrc = new Point($json->x, $json->y, $proj31370); |
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$coordinates = $proj4->transform($proj4326, $pointSrc); |
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$streetName = !empty($json->rue->nom) ? $json->rue->nom : null; |
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$number = !empty($json->num) ? $json->num : null; |
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$municipality = !empty($json->rue->commune) ? $json->rue->commune : null; |
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$postCode = !empty($json->rue->cps) ? implode(', ', $json->rue->cps) : null; |
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$subLocality = !empty($json->rue->localites) ? implode(', ', $json->rue->localites) : null; |
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$countryCode = 'BE'; |
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$lowerLeftSrc = new Point($json->rue->xMin, $json->rue->yMin, $proj31370); |
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$lowerLeft = $proj4->transform($proj4326, $lowerLeftSrc); |
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$upperRightSrc = new Point($json->rue->xMax, $json->rue->yMax, $proj31370); |
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$upperRight = $proj4->transform($proj4326, $upperRightSrc); |
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$bounds = [ |
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'west' => $lowerLeft->x, |
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'south' => $lowerLeft->y, |
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'east' => $upperRight->x, |
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'north' => $upperRight->y, |
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]; |
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$results[] = Address::createFromArray([ |
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'providedBy' => $this->getName(), |
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'latitude' => $coordinates->y, |
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'longitude' => $coordinates->x, |
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'streetNumber' => $number, |
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'streetName' => $streetName, |
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'locality' => $municipality, |
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'subLocality' => $subLocality, |
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'postalCode' => $postCode, |
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'countryCode' => $countryCode, |
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'bounds' => $bounds, |
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]); |
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return new AddressCollection($results); |
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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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} |
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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 'spw'; |
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} |
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/** |
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* @param string $url |
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* |
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* @return \stdClass |
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*/ |
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private function executeQuery(string $url): \stdClass |
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{ |
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$content = $this->getUrlContents($url); |
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$json = json_decode($content); |
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// API error |
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if (!isset($json)) { |
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throw InvalidServerResponse::create($url); |
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} |
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return $json; |
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} |
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} |
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For hinted functions/methods where all return statements with the correct type are only reachable via conditions, ?null? gets implicitly returned which may be incompatible with the hinted type. Let?s take a look at an example: