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Pelias.php
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Pelias.php
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<?php
declare(strict_types=1);
/*
* This file is part of the Geocoder package.
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* @license MIT License
*/
namespace Geocoder\Provider\Pelias;
use Geocoder\Collection;
use Geocoder\Exception\InvalidCredentials;
use Geocoder\Exception\QuotaExceeded;
use Geocoder\Exception\UnsupportedOperation;
use Geocoder\Http\Provider\AbstractHttpProvider;
use Geocoder\Model\Address;
use Geocoder\Model\AddressCollection;
use Geocoder\Provider\Provider;
use Geocoder\Query\GeocodeQuery;
use Geocoder\Query\ReverseQuery;
use Psr\Http\Client\ClientInterface;
class Pelias extends AbstractHttpProvider implements Provider
{
/**
* @var string
*/
protected $root;
/**
* @param ClientInterface $client an HTTP adapter
* @param string $root url of Pelias API
* @param int $version version of Pelias API
*/
public function __construct(ClientInterface $client, string $root, int $version = 1)
{
$this->root = sprintf('%s/v%d', rtrim($root, '/'), $version);
parent::__construct($client);
}
/**
* @param array<string, mixed> $query_data additional query data (API key for instance)
*
* @throws \Geocoder\Exception\Exception
*/
protected function getGeocodeQueryUrl(GeocodeQuery $query, array $query_data = []): string
{
$address = $query->getText();
// This API doesn't handle IPs
if (filter_var($address, FILTER_VALIDATE_IP)) {
throw new UnsupportedOperation(sprintf('The %s provider does not support IP addresses, only street addresses.', $this->getName()));
}
$data = [
'text' => $address,
'size' => $query->getLimit(),
];
return sprintf('%s/search?%s', $this->root, http_build_query(array_merge($data, $query_data)));
}
public function geocodeQuery(GeocodeQuery $query): Collection
{
return $this->executeQuery($this->getGeocodeQueryUrl($query));
}
/**
* @param array<string, mixed> $query_data additional query data (API key for instance)
*
* @throws \Geocoder\Exception\Exception
*/
protected function getReverseQueryUrl(ReverseQuery $query, array $query_data = []): string
{
$coordinates = $query->getCoordinates();
$longitude = $coordinates->getLongitude();
$latitude = $coordinates->getLatitude();
$data = [
'point.lat' => $latitude,
'point.lon' => $longitude,
'size' => $query->getLimit(),
];
return sprintf('%s/reverse?%s', $this->root, http_build_query(array_merge($data, $query_data)));
}
public function reverseQuery(ReverseQuery $query): Collection
{
return $this->executeQuery($this->getReverseQueryUrl($query));
}
public function getName(): string
{
return 'pelias';
}
protected function executeQuery(string $url): AddressCollection
{
$content = $this->getUrlContents($url);
$json = json_decode($content, true);
if (isset($json['meta'])) {
switch ($json['meta']['status_code']) {
case 401:
case 403:
throw new InvalidCredentials('Invalid or missing api key.');
case 429:
throw new QuotaExceeded('Valid request but quota exceeded.');
}
}
if (
!isset($json['type'])
|| 'FeatureCollection' !== $json['type']
|| !isset($json['features'])
|| [] === $json['features']
) {
return new AddressCollection([]);
}
$locations = $json['features'];
if (empty($locations)) {
return new AddressCollection([]);
}
$results = [];
foreach ($locations as $location) {
if (isset($location['bbox'])) {
$bounds = [
'south' => $location['bbox'][3],
'west' => $location['bbox'][2],
'north' => $location['bbox'][1],
'east' => $location['bbox'][0],
];
} else {
$bounds = [
'south' => null,
'west' => null,
'north' => null,
'east' => null,
];
}
$props = $location['properties'];
$adminLevels = [];
foreach (['region', 'county', 'locality', 'macroregion', 'country'] as $i => $component) {
if (isset($props[$component])) {
$adminLevels[] = ['name' => $props[$component], 'level' => $i + 1];
}
}
$results[] = Address::createFromArray([
'providedBy' => $this->getName(),
'latitude' => $location['geometry']['coordinates'][1],
'longitude' => $location['geometry']['coordinates'][0],
'bounds' => $bounds,
'streetNumber' => isset($props['housenumber']) ? $props['housenumber'] : null,
'streetName' => isset($props['street']) ? $props['street'] : null,
'subLocality' => isset($props['neighbourhood']) ? $props['neighbourhood'] : null,
'locality' => isset($props['locality']) ? $props['locality'] : null,
'postalCode' => isset($props['postalcode']) ? $props['postalcode'] : null,
'adminLevels' => $adminLevels,
'country' => isset($props['country']) ? $props['country'] : null,
'countryCode' => isset($props['country_a']) ? strtoupper($props['country_a']) : null,
]);
}
return new AddressCollection($results);
}
/**
* @param array<string, mixed> $components
*
* @return string|null
*/
protected function guessLocality(array $components)
{
$localityKeys = ['city', 'town', 'village', 'hamlet'];
return $this->guessBestComponent($components, $localityKeys);
}
/**
* @param array<string, mixed> $components
*
* @return string|null
*/
protected function guessStreetName(array $components)
{
$streetNameKeys = ['road', 'street', 'street_name', 'residential'];
return $this->guessBestComponent($components, $streetNameKeys);
}
/**
* @param array<string, mixed> $components
*
* @return string|null
*/
protected function guessSubLocality(array $components)
{
$subLocalityKeys = ['neighbourhood', 'city_district'];
return $this->guessBestComponent($components, $subLocalityKeys);
}
/**
* @param array<string, mixed> $components
* @param string[] $keys
*
* @return string|null
*/
protected function guessBestComponent(array $components, array $keys)
{
foreach ($keys as $key) {
if (isset($components[$key]) && !empty($components[$key])) {
return $components[$key];
}
}
return null;
}
}