/**
* Returns the id found in a facebook url
*
* @param Url $url
*
* @return string
*/
private function getId(Url $url)
{
if ($url->hasQueryParameter('story_fbid')) {
$this->isEmbeddable = true;
return $url->getQueryParameter('story_fbid');
}
if ($url->hasQueryParameter('fbid')) {
return $url->getQueryParameter('fbid');
}
if ($url->hasQueryParameter('id')) {
return $url->getQueryParameter('id');
}
if ($url->getDirectoryPosition(0) === 'events') {
$this->isEmbeddable = true;
return $url->getDirectoryPosition(1);
}
if ($url->getDirectoryPosition(0) === 'pages') {
return $url->getDirectoryPosition(2);
}
if ($url->getDirectoryPosition(1) === 'posts') {
$this->isEmbeddable = true;
return $url->getDirectoryPosition(2);
}
if ($url->getDirectoryPosition(2) === 'posts') {
$this->isEmbeddable = true;
return $url->getDirectoryPosition(3);
}
return $url->getDirectoryPosition(0);
}
/**
* {@inheritdoc}
*/
public static function getEndPoint(Url $url)
{
if (is_numeric($url->getDirectoryPosition(1))) {
return $url->createUrl()->withDirectoryPosition(2, 'oembed.json');
}
return '';
}