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<?php
declare( strict_types=1 );
namespace Automattic\WooCommerce\Internal\EmailEditor;
use Automattic\WooCommerce\EmailEditor\Email_Editor_Container;
use Automattic\WooCommerce\EmailEditor\Engine\Personalizer;
use Automattic\WooCommerce\EmailEditor\Engine\Renderer\Renderer as EmailRenderer;
use Automattic\WooCommerce\Internal\EmailEditor\WCTransactionalEmails\WCTransactionalEmailPostsManager;
/**
* Class responsible for rendering block-based emails.
*/
class BlockEmailRenderer {
const WOO_EMAIL_CONTENT_PLACEHOLDER = '##WOO_CONTENT##';
/**
* Service for rendering block emails
*
* @var EmailRenderer
*/
private $renderer;
/**
* Service for personalization of emails
* It replaces personalization tags with actual values
*
* @var Personalizer
*/
private $personalizer;
/**
* Service for extracting WooCommerce content from WC_Email object.
*
* @var WooContentProcessor
*/
private $woo_content_processor;
/**
* WooCommerce Email Template Manager instance.
*
* @var WCTransactionalEmailPostsManager
*/
private $template_manager;
/**
* Constructor.
*/
public function __construct() {
$editor_container = Email_Editor_Container::container();
$this->renderer = $editor_container->get( EmailRenderer::class );
$this->personalizer = $editor_container->get( Personalizer::class );
$this->template_manager = WCTransactionalEmailPostsManager::get_instance();
}
/**
* Initialize the renderer.
*
* @param WooContentProcessor $woo_content_processor Service for extracting WooCommerce content from WC_Email object.
* @internal
*/
final public function init( WooContentProcessor $woo_content_processor ): void {
$this->woo_content_processor = $woo_content_processor;
add_action( 'woocommerce_email_blocks_renderer_initialized', array( $this, 'register_block_renderers' ) );
}
/**
* Maybe render block-based email content.
*
* @param \WC_Email $wc_email WooCommerce email.
* @return string|null Modified email content
*/
public function maybe_render_block_email( \WC_Email $wc_email ): ?string {
$email_post = $this->get_email_post_by_wc_email( $wc_email );
if ( ! $email_post ) {
return null;
}
$woo_content = $this->woo_content_processor->get_woo_content( $wc_email );
return $this->render_block_email( $email_post, $woo_content, $wc_email );
}
/**
* Maybe render block-based email content.
*
* @param \WP_Post $email_post Email post.
* @param string $woo_content WooCommerce email content.
* @param \WC_Email $wc_email WooCommerce email.
* @return string Modified email content
*/
private function render_block_email( \WP_Post $email_post, string $woo_content, \WC_Email $wc_email ): ?string {
try {
$subject = $wc_email->get_subject(); // We will get subject from $email_post after we add it to the editor.
$preheader = $wc_email->get_preheader();
$rendered_email_data = $this->renderer->render( $email_post, $subject, $preheader, 'en' );
$personalized_email = $this->personalizer->personalize_content( $rendered_email_data['html'] );
$rendered_email = str_replace( self::WOO_EMAIL_CONTENT_PLACEHOLDER, $woo_content, $personalized_email );
add_filter( 'woocommerce_email_styles', array( $this->woo_content_processor, 'prepare_css' ), 10, 2 );
return $rendered_email;
} catch ( \Exception $e ) {
wc_caught_exception( $e, __METHOD__, array( $email_post, $woo_content, $wc_email ) );
return null;
}
}
/**
* Get the email post for a given WC_Email.
*
* @param \WC_Email $email WooCommerce email.
* @return \WP_Post|null
*/
private function get_email_post_by_wc_email( \WC_Email $email ): ?\WP_Post {
return $this->template_manager->get_email_post( $email->id );
}
}
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