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213 lines (181 loc) · 4.39 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;
use Geocoder\Exception\ProviderNotRegistered;
use Geocoder\Model\AddressFactory;
use Geocoder\Provider\LocaleAwareProvider;
use Geocoder\Provider\Provider;
/**
* @author William Durand <william.durand1@gmail.com>
*/
class ProviderBasedGeocoder implements Geocoder
{
/**
* @var integer
*/
const MAX_RESULTS = 5;
/**
* @var Provider[]
*/
private $providers = [];
/**
* @var Provider
*/
private $provider;
/**
* @var AddressFactory
*/
private $factory;
/**
* @var integer
*/
private $maxResults;
/**
* @param Provider $provider
* @param integer $maxResults
*/
public function __construct(Provider $provider = null, $maxResults = self::MAX_RESULTS)
{
$this->provider = $provider;
$this->factory = new AddressFactory();
$this->limit($maxResults);
}
/**
* {@inheritDoc}
*/
public function geocode($value)
{
if (empty($value)) {
// let's save a request
return [];
}
$provider = $this->getProvider()->setMaxResults($this->getMaxResults());
$data = $provider->getGeocodedData(trim($value));
return $this->returnResult($data);
}
/**
* {@inheritDoc}
*/
public function reverse($latitude, $longitude)
{
if (empty($latitude) || empty($longitude)) {
// let's save a request
return [];
}
$provider = $this->getProvider()->setMaxResults($this->getMaxResults());
$data = $provider->getReversedData([ $latitude, $longitude ]);
return $this->returnResult($data);
}
/**
* Registers a provider.
*
* @param Provider $provider
*
* @return ProviderBasedGeocoder
*/
public function registerProvider(Provider $provider)
{
if (null !== $provider) {
$this->providers[$provider->getName()] = $provider;
}
return $this;
}
/**
* Convenient method to egister a set of providers.
*
* @param Provider[] $providers
*
* @return ProviderBasedGeocoder
*/
public function registerProviders(array $providers = [])
{
foreach ($providers as $provider) {
$this->registerProvider($provider);
}
return $this;
}
/**
* Set the provider to use.
*
* @param string $name A provider's name
*
* @return ProviderBasedGeocoder
*/
public function using($name)
{
if (!isset($this->providers[$name])) {
throw new ProviderNotRegistered($name);
}
$this->provider = $this->providers[$name];
return $this;
}
/**
* Return registered providers indexed by name.
*
* @return Provider[]
*/
public function getProviders()
{
return $this->providers;
}
/**
* @param integer $maxResults
*
* @return ProviderBasedGeocoder
*/
public function limit($maxResults)
{
$this->maxResults = $maxResults;
return $this;
}
/**
* @return integer $maxResults
*/
public function getMaxResults()
{
return $this->maxResults;
}
/**
* Change the locale to be used in locale aware requests.
*
* @param string
*/
public function setLocale($locale)
{
foreach ($this->providers as $provider) {
if ($provider instanceof LocaleAwareProvider) {
$provider->setLocale($locale);
}
}
}
/**
* Return the provider to use.
*
* @return Provider
*/
protected function getProvider()
{
if (null === $this->provider) {
if (0 === count($this->providers)) {
throw new \RuntimeException('No provider registered.');
}
$this->using(key($this->providers));
}
return $this->provider;
}
/**
* @param array $data An array of data.
*
* @return \Geocoder\Model\Address[]
*/
protected function returnResult(array $data = [])
{
return $this->factory->createFromArray($data);
}
}