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<?php
declare( strict_types=1 );
namespace Automattic\WooCommerce\Internal\EmailEditor;
use Automattic\WooCommerce\EmailEditor\Engine\Settings_Controller;
use Automattic\WooCommerce\EmailEditor\Engine\Templates\Template;
use Automattic\WooCommerce\EmailEditor\Engine\Templates\Templates_Registry;
use Automattic\WooCommerce\EmailEditor\Engine\Theme_Controller;
use Automattic\WooCommerce\EmailEditor\Engine\User_Theme;
use Automattic\WooCommerce\EmailEditor\Email_Editor_Container;
use Automattic\WooCommerce\Internal\Admin\WCAdminAssets;
defined( 'ABSPATH' ) || exit;
/**
* Class responsible for rendering the email editor page.
*/
class PageRenderer {
/**
* Settings controller instance.
*
* @var Settings_Controller
*/
private Settings_Controller $settings_controller;
/**
* Theme controller instance.
*
* @var Theme_Controller
*/
private Theme_Controller $theme_controller;
/**
* User theme instance.
*
* @var User_Theme
*/
private User_Theme $user_theme;
/**
* Template registry instance.
*
* @var Templates_Registry
*/
private Templates_Registry $template_registry;
/**
* Constructor.
*/
public function __construct() {
$editor_container = Email_Editor_Container::container();
$this->settings_controller = $editor_container->get( Settings_Controller::class );
$this->theme_controller = $editor_container->get( Theme_Controller::class );
$this->user_theme = $editor_container->get( User_Theme::class );
$this->template_registry = $editor_container->get( Templates_Registry::class );
}
/**
* Render the email editor page.
*/
public function render() {
$post_id = isset( $_GET['post'] ) ? intval( $_GET['post'] ) : 0; // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- We are not verifying the nonce here because we are not using the nonce in the function and the data is okay in this context (WP-admin errors out gracefully).
$template_id = isset( $_GET['template'] ) ? sanitize_text_field( wp_unslash( $_GET['template'] ) ) : ''; // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- We are not verifying the nonce here because we are not using the nonce in the function and the data is okay in this context (WP-admin errors out gracefully).
$post_type = $template_id ? 'wp_template' : Integration::EMAIL_POST_TYPE;
$post_id = $template_id ? $template_id : $post_id;
if ( ! $this->can_edit_post_in_email_editor( $post_id, $post_type ) ) {
return;
}
// Load the email editor assets.
$this->load_editor_assets( $post_id, $post_type );
// Load CSS from Post Editor.
wp_enqueue_style( 'wp-edit-post' );
// Load CSS for the format library - used for example in popover.
wp_enqueue_style( 'wp-format-library' );
// Enqueue media library scripts.
wp_enqueue_media();
$this->preload_rest_api_data( $post_id, $post_type );
require_once ABSPATH . 'wp-admin/admin-header.php';
echo '<div id="woocommerce-email-editor" class="block-editor block-editor__container hide-if-no-js"></div>';
}
/**
* Load editor assets.
*
* @param int|string $post_id The post ID.
* @param string $post_type The post type.
*/
private function load_editor_assets( $post_id, string $post_type ): void {
// Load the email editor integration script.
// The JS file is located in plugins/woocommerce/client/admin/client/wp-admin-scripts/email-editor-integration/index.ts.
WCAdminAssets::register_script( 'wp-admin-scripts', 'email-editor-integration', true );
WCAdminAssets::register_style( 'email-editor-integration', 'style', true );
$email_editor_assets_path = WC_ABSPATH . WC_ADMIN_DIST_JS_FOLDER . 'email-editor/';
$email_editor_assets_url = WC()->plugin_url() . '/' . WC_ADMIN_DIST_JS_FOLDER . 'email-editor/';
// Email editor rich text JS - Because the Personalization Tags depend on Gutenberg 19.8.0 and higher
// the following code replaces used Rich Text for the version containing the necessary changes.
$rich_text_assets_params = require $email_editor_assets_path . 'assets/rich-text.asset.php';
wp_deregister_script( 'wp-rich-text' );
wp_enqueue_script(
'wp-rich-text',
$email_editor_assets_url . 'assets/rich-text.js',
$rich_text_assets_params['dependencies'],
$rich_text_assets_params['version'],
true
);
// End of replacing Rich Text package.
$file_name = 'index';
$assets_params = require $email_editor_assets_path . "{$file_name}.asset.php";
wp_enqueue_script(
'woocommerce_email_editor',
$email_editor_assets_url . "{$file_name}.js",
$assets_params['dependencies'],
$assets_params['version'],
true
);
wp_enqueue_style(
'woocommerce_email_editor',
$email_editor_assets_url . "style-{$file_name}.css",
array(),
$assets_params['version']
);
$current_user_email = wp_get_current_user()->user_email;
// Fetch all email types from WooCommerce including those added by other plugins.
$wc_emails = \WC_Emails::instance();
$email_types = $wc_emails->get_emails();
$email_types = array_values(
array_map(
function ( $email ) {
return array(
'value' => $email->id,
'label' => $email->title,
'id' => get_class( $email ),
);
},
$email_types
)
);
wp_localize_script(
'woocommerce_email_editor',
'WooCommerceEmailEditor',
array(
'current_post_type' => esc_js( $post_type ),
'current_post_id' => $post_id,
'current_wp_user_email' => esc_js( $current_user_email ),
'editor_settings' => $this->settings_controller->get_settings(),
'editor_theme' => $this->theme_controller->get_base_theme()->get_raw_data(),
'user_theme_post_id' => $this->user_theme->get_user_theme_post()->ID,
'urls' => array(
'listings' => admin_url( 'admin.php?page=wc-settings&tab=email' ),
'send' => admin_url( 'admin.php?page=wc-settings&tab=email' ),
),
'email_types' => $email_types,
'block_preview_url' => esc_url( wp_nonce_url( admin_url( '?preview_woocommerce_mail_editor_content=true' ), 'preview-mail' ) ),
)
);
}
/**
* Preload REST API data for the email editor.
*
* @param int|string $post_id The post ID.
* @param string $post_type The post type.
*/
private function preload_rest_api_data( $post_id, string $post_type ): void {
$email_post_type = $post_type;
$user_theme_post_id = $this->user_theme->get_user_theme_post()->ID;
$template_slug = get_post_meta( $post_id, '_wp_page_template', true );
$routes = array(
"/wp/v2/{$email_post_type}/" . intval( $post_id ) . '?context=edit',
"/wp/v2/types/{$email_post_type}?context=edit",
'/wp/v2/global-styles/' . intval( $user_theme_post_id ) . '?context=view', // Global email styles.
'/wp/v2/block-patterns/patterns',
'/wp/v2/templates?context=view',
'/wp/v2/block-patterns/categories',
'/wp/v2/settings',
'/wp/v2/types?context=view',
'/wp/v2/taxonomies?context=view',
);
if ( $template_slug ) {
$routes[] = '/wp/v2/templates/lookup?slug=' . $template_slug;
} else {
$routes[] = "/wp/v2/{$email_post_type}?context=edit&per_page=30&status=publish,sent";
}
// Preload the data for the specified routes.
$preload_data = array_reduce(
$routes,
'rest_preload_api_request',
array()
);
// Add inline script to set up preloading middleware.
wp_add_inline_script(
'wp-blocks',
sprintf(
'wp.apiFetch.use( wp.apiFetch.createPreloadingMiddleware( %s ) );',
wp_json_encode( $preload_data )
)
);
}
/**
* Check if the post can be edited in the email editor.
*
* @param int|string $id The post ID.
* @param string $type The post type.
* @return bool True if the post can be edited, false otherwise.
*/
private function can_edit_post_in_email_editor( $id, string $type ): bool {
// When we pass template we need to verify that the template is registered in the email template registry.
if ( 'wp_template' === $type ) {
$wp_template = get_block_template( $id );
if ( ! $wp_template ) {
return false;
}
$email_template = $this->template_registry->get_by_slug( $wp_template->slug );
return $email_template instanceof Template;
}
// For post we need to verify that the post is of the email type.
$post = get_post( $id );
if ( $post instanceof \WP_Post && $type === $post->post_type ) {
return true;
}
return false;
}
}