/
Facebook.php
129 lines (110 loc) · 2.91 KB
/
Facebook.php
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<?php
namespace Embed\Providers\Api;
use Embed\Adapters\Adapter;
use Embed\Providers\Provider;
use Embed\Http\Url;
/**
* Provider to use the open graph API of facebook.
*/
class Facebook extends Provider
{
/**
* {@inheritdoc}
*/
public function __construct(Adapter $adapter)
{
parent::__construct($adapter);
if (($endPoint = $this->getEndPoint())) {
echo $endPoint;
$response = $adapter->getDispatcher()->dispatch($endPoint);
if ($json = $response->getJsonContent()) {
$this->bag->set($json);
}
}
}
/**
* {@inheritdoc}
*/
public function getTitle()
{
return $this->bag->get('name');
}
/**
* {@inheritdoc}
*/
public function getDescription()
{
return $this->bag->get('description') ?: $this->bag->get('about');
}
/**
* {@inheritdoc}
*/
public function getProviderName()
{
return 'Facebook';
}
/**
* {@inheritdoc}
*/
public function getUrl()
{
return $this->normalizeUrl($this->bag->get('url'));
}
/**
* {@inheritdoc}
*/
public function getAuthorName()
{
return $this->bag->get('username') ?: $this->bag->get('owner[name]');
}
/**
* {@inheritdoc}
*/
public function getImagesUrls()
{
$images = (array) $this->bag->get('cover[source]');
if (($id = $this->bag->get('id'))) {
$images[] = 'https://graph.facebook.com/'.$id.'/picture';
}
return $this->normalizeUrls($images);
}
/**
* {@inheritdoc}
*/
public function getPublishedTime()
{
return $this->bag->get('start_time');
}
/**
* {@inheritdoc}
*/
public function getCode()
{
return $this->bag->get('embed_html', true);
}
/**
* Returns the Graph API Endpoint
*
* @return Url|null
*/
private function getEndPoint()
{
$url = $this->adapter->getResponse()->getUrl();
$key = $this->adapter->getConfig('facebook[key]');
if (empty($key)) {
return;
}
if ($url->getDirectoryPosition(0) === 'events') {
return Url::create('https://graph.facebook.com/')
->withAddedPath($url->getDirectoryPosition(1))
->withQueryParameter('access_token', $key)
->withQueryParameter('fields', $this->adapter->getConfig('facebook[events_fields]'));
}
if ($url->getDirectoryPosition(1) === 'videos') {
return Url::create('https://graph.facebook.com/')
->withAddedPath($url->getDirectoryPosition(2))
->withQueryParameter('access_token', $key)
->withQueryParameter('fields', $this->adapter->getConfig('facebook[videos_fields]'));
}
}
}