public function Photon::reverseGeocode in Geolocation Field 8.3

Reverse geocode an address.

Intended return subject to available data:

[
  'organization' => '',
  'address_line1' => '',
  'address_line2' => '',
  'postal_code' => '',
  'sorting_code' => '',
  'dependent_locality' => [],
  'locality' => [],
  'administrative_area' => [],
  'country' => [],
  'formatted_address' => '',
];

Parameters

float $latitude: Latitude to reverse geocode.

float $longitude: Longitude to reverse geocode.

Return value

array||null Address or NULL.

Overrides GeocoderBase::reverseGeocode

File

modules/geolocation_leaflet/src/Plugin/geolocation/Geocoder/Photon.php, line 182

Class

Photon

Provides the Photon.

Namespace

Drupal\geolocation_leaflet\Plugin\geolocation\Geocoder

Code

public function reverseGeocode($latitude, $longitude) {
  $url = Url::fromUri($this->requestBaseUrl . '/reverse', [
    'query' => [
      'lat' => $latitude,
      'lon' => $longitude,
      'limit' => 20,
    ],
  ]);
  try {
    $result = Json::decode(\Drupal::httpClient()
      ->get($url
      ->toString())
      ->getBody());
  } catch (RequestException $e) {
    watchdog_exception('geolocation', $e);
    return FALSE;
  }
  if (empty($result['features'][0]['properties'])) {
    return FALSE;
  }
  $countries = \Drupal::service('address.country_repository')
    ->getList();
  $address_atomics = [];
  foreach ($result['features'] as $id => $entry) {
    if (empty($entry['properties']['osm_type'])) {
      continue;
    }
    switch ($entry['properties']['osm_type']) {
      case 'N':
        $address_atomics = [
          'houseNumber' => !empty($entry['properties']['housenumber']) ? $entry['properties']['housenumber'] : '',
          'road' => $entry['properties']['street'],
          'city' => $entry['properties']['city'],
          'postcode' => $entry['properties']['postcode'],
          'state' => $entry['properties']['state'],
          'country' => $entry['properties']['country'],
          'countryCode' => array_search($entry['properties']['country'], $countries),
        ];
        break 2;
    }
  }
  if (empty($address_atomics)) {
    return FALSE;
  }
  return [
    'atomics' => $address_atomics,
    'elements' => $this
      ->addressElements($address_atomics),
    'formatted_address' => empty($result['display_name']) ? '' : $result['display_name'],
  ];
}