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157 lines (136 loc) · 4.95 KB
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<?php
/**
* 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;
use Geocoder\Exception\UnsupportedException;
use Geocoder\Exception\NoResultException;
use Geocoder\Exception\QuotaExceededException;
use Geocoder\Exception\InvalidCredentialsException;
use Geocoder\HttpAdapter\HttpAdapterInterface;
/**
* @author Antoine Corcy <contact@sbin.dk>
*/
class GeocoderCaProvider extends AbstractProvider implements ProviderInterface
{
/**
* @var string
*/
const GEOCODE_ENDPOINT_URL = '%s://geocoder.ca/?geoit=xml&locate=%s&auth=%s';
/**
* @var string
*/
const REVERSE_ENDPOINT_URL = '%s://geocoder.ca/?geoit=xml&reverse=1&latt=%F&longt=%F&auth=%s';
/**
* @var string
*/
private $scheme = 'http';
/**
* @var string
*/
private $apiKey = null;
/**
* @param HttpAdapterInterface $adapter An HTTP adapter.
* @param bool $useSsl Whether to use an SSL connection (optional).
* @param string $apiKey An API key (optional).
*/
public function __construct(HttpAdapterInterface $adapter, $useSsl = false, $apiKey = null)
{
parent::__construct($adapter);
$this->scheme = $useSsl ? 'https' : $this->scheme;
$this->apiKey = $apiKey;
}
/**
* {@inheritDoc}
*/
public function getGeocodedData($address)
{
// This API doesn't handle IPs
if (filter_var($address, FILTER_VALIDATE_IP)) {
throw new UnsupportedException('The GeocoderCaProvider does not support IP addresses.');
}
$query = sprintf(self::GEOCODE_ENDPOINT_URL, $this->scheme, urlencode($address), $this->apiKey);
try {
$content = $this->handleQuery($query);
} catch (InvalidCredentialsException $e) {
throw $e;
} catch (QuotaExceededException $e) {
throw $e;
} catch (NoResultException $e) {
throw new NoResultException(sprintf('Could not execute query %s', $query));
}
return array(array_merge($this->getDefaults(), array(
'latitude' => $this->getNodeValue($content->getElementsByTagName('latt')),
'longitude' => $this->getNodeValue($content->getElementsByTagName('longt'))
)));
}
/**
* {@inheritDoc}
*/
public function getReversedData(array $coordinates)
{
$query = sprintf(self::REVERSE_ENDPOINT_URL, $this->scheme, $coordinates[0], $coordinates[1], $this->apiKey);
try {
$content = $this->handleQuery($query);
} catch (InvalidCredentialsException $e) {
throw $e;
} catch (QuotaExceededException $e) {
throw $e;
} catch (NoResultException $e) {
throw new NoResultException(sprintf('Could not resolve coordinates %s', implode(', ', $coordinates)));
}
return array(array_merge($this->getDefaults(), array(
'latitude' => $this->getNodeValue($content->getElementsByTagName('latt')),
'longitude' => $this->getNodeValue($content->getElementsByTagName('longt')),
'streetNumber' => $this->getNodeValue($content->getElementsByTagName('stnumber')),
'streetName' => $this->getNodeValue($content->getElementsByTagName('staddress')),
'city' => $this->getNodeValue($content->getElementsByTagName('city')),
'zipcode' => $this->getNodeValue($content->getElementsByTagName('postal')),
'cityDistrict' => $this->getNodeValue($content->getElementsByTagName('prov')),
)));
}
/**
* {@inheritDoc}
*/
public function getName()
{
return 'geocoder_ca';
}
/**
* @param \DOMNodeList
*
* @return string
*/
private function getNodeValue(\DOMNodeList $element)
{
return $element->length ? $element->item(0)->nodeValue : null;
}
/**
* @param string $query
* @throws InvalidCredentialsException
* @throws QuotaExceededException
* @throws NoResultException
* @return \DOMDocument
*/
private function handleQuery($query)
{
$content = $this->getAdapter()->getContent($query);
$doc = new \DOMDocument;
if (!@$doc->loadXML($content) || $doc->getElementsByTagName('error')->length) {
switch ($this->getNodeValue($doc->getElementsByTagName('code'))) {
case '001':
case '003':
throw new InvalidCredentialsException(sprintf('Invalid authentification token %s', $query));
case '002':
throw new QuotaExceededException(sprintf('Account ran out of credits %s', $query));
default:
throw new NoResultException;
}
}
return $doc;
}
}