Soshot/vendor/embed/embed/src/Providers/Linkpulse.php

108 lines
2.2 KiB
PHP

<?php
namespace Embed\Providers;
use Embed\Adapters\Adapter;
use Embed\Utils;
/**
* Provider to get the data from the Linkpulse elements in the HTML
* http://docs.linkpulse.com/docs/opengraph/
*/
class Linkpulse extends Provider
{
/**
* {@inheritdoc}
*/
public function __construct(Adapter $adapter)
{
parent::__construct($adapter);
if (!($html = $adapter->getResponse()->getHtmlContent())) {
return;
}
foreach ($html->getElementsByTagName('meta') as $meta) {
$name = trim(strtolower($meta->getAttribute('property')));
$value = $meta->getAttribute('content');
if (empty($name)) {
$name = trim(strtolower($meta->getAttribute('name')));
}
if (empty($name) || empty($value)) {
continue;
}
if (strpos($name, 'lp:') === 0) {
$name = substr($name, 3);
} elseif (strpos($name, 'lp.article:') !== 0) {
continue;
}
$this->bag->set($name, $value);
}
}
/**
* {@inheritdoc}
*/
public function getTitle()
{
return $this->bag->get('title');
}
/**
* {@inheritdoc}
*/
public function getDescription()
{
return $this->bag->get('description');
}
/**
* {@inheritdoc}
*/
public function getUrl()
{
$url = $this->normalizeUrl($this->bag->get('url'));
if ($url !== $this->adapter->getResponse()->getUrl()->getAbsolute('/')) {
return $url;
}
}
/**
* {@inheritdoc}
*/
public function getTags()
{
return (array) $this->bag->get('article.section') ?: [];
}
/**
* {@inheritdoc}
*/
public function getAuthorName()
{
return $this->bag->get('article.author');
}
/**
* {@inheritdoc}
*/
public function getImagesUrls()
{
return $this->normalizeUrls((array) $this->bag->get('image'));
}
/**
* {@inheritdoc}
*/
public function getPublishedTime()
{
return $this->bag->get('article.published_time')
?: $this->bag->get('article.modified_time');
}
}