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<?php
namespace Yoast\WP\SEO\Generators;
use Yoast\WP\SEO\Context\Meta_Tags_Context;
use Yoast\WP\SEO\Helpers\Image_Helper;
use Yoast\WP\SEO\Helpers\Twitter\Image_Helper as Twitter_Image_Helper;
use Yoast\WP\SEO\Helpers\Url_Helper;
use Yoast\WP\SEO\Models\Indexable;
use Yoast\WP\SEO\Values\Twitter\Images;
/**
* Represents the generator class for the Twitter images.
*/
class Twitter_Image_Generator implements Generator_Interface {
/**
* The Twitter image helper.
*
* @var Twitter_Image_Helper
*/
protected $twitter_image;
/**
* The image helper.
*
* @var Image_Helper
*/
protected $image;
/**
* The URL helper.
*
* @var Url_Helper
*/
protected $url;
/**
* Twitter_Image_Generator constructor.
*
* @codeCoverageIgnore
*
* @param Image_Helper $image The image helper.
* @param Url_Helper $url The url helper.
* @param Twitter_Image_Helper $twitter_image The Twitter image helper.
*/
public function __construct( Image_Helper $image, Url_Helper $url, Twitter_Image_Helper $twitter_image ) {
$this->image = $image;
$this->url = $url;
$this->twitter_image = $twitter_image;
}
/**
* Retrieves the images for an indexable.
*
* @param Meta_Tags_Context $context The context.
*
* @return array<array<string, string|int>> The images.
*/
public function generate( Meta_Tags_Context $context ) {
$image_container = $this->get_image_container();
$this->add_from_indexable( $context->indexable, $image_container );
return $image_container->get_images();
}
/**
* Adds an image based on the given indexable.
*
* @param Indexable $indexable The indexable.
* @param Images $image_container The image container.
*
* @return void
*/
protected function add_from_indexable( Indexable $indexable, Images $image_container ) {
if ( $indexable->twitter_image_id ) {
$image_container->add_image_by_id( $indexable->twitter_image_id );
return;
}
if ( $indexable->twitter_image ) {
$image_container->add_image_by_url( $indexable->twitter_image );
}
}
/**
* Retrieves an instance of the image container.
*
* @codeCoverageIgnore
*
* @return Images The image container.
*/
protected function get_image_container() {
$image_container = new Images( $this->image, $this->url );
$image_container->image_size = $this->twitter_image->get_image_size();
$image_container->set_helpers( $this->twitter_image );
return $image_container;
}
}