<?php

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declare( strict_types=1 );

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namespace Automattic\WooCommerce\Internal\EmailEditor;

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use Automattic\WooCommerce\EmailEditor\Email_Editor_Container;

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use Automattic\WooCommerce\EmailEditor\Engine\Dependency_Check;

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use Automattic\WooCommerce\Internal\Admin\EmailPreview\EmailPreview;

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use Automattic\WooCommerce\Internal\EmailEditor\EmailPatterns\PatternsController;

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use Automattic\WooCommerce\Internal\EmailEditor\EmailTemplates\TemplatesController;

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use Automattic\WooCommerce\Internal\EmailEditor\WCTransactionalEmails\WCTransactionalEmails;

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use Automattic\WooCommerce\Internal\EmailEditor\WCTransactionalEmails\WCTransactionalEmailPostsManager;

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use Automattic\WooCommerce\Internal\EmailEditor\EmailTemplates\TemplateApiController;

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use Automattic\WooCommerce\EmailEditor\Engine\Logger\Email_Editor_Logger;

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use WP_Post;

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defined( 'ABSPATH' ) || exit;

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/**

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* Integration class for the Email Editor functionality.

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*/

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class Integration {

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const EMAIL_POST_TYPE = 'woo_email';

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/**

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* The email editor page renderer instance.

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*

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* @var PageRenderer

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*/

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private PageRenderer $editor_page_renderer;

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/**

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* The dependency check instance.

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*

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* @var Dependency_Check

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*/

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private Dependency_Check $dependency_check;

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/**

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* The template API controller instance.

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*

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* @var TemplateApiController

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*/

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private TemplateApiController $template_api_controller;

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/**

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* The email data API controller instance.

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*

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* @var EmailApiController

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*/

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private EmailApiController $email_api_controller;

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/**

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* The WC_Email instance.

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*

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* @var \WC_Email

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*/

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private \WC_Email $wc_email_instance;

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/**

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* Constructor.

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*/

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public function __construct() {

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$editor_container = Email_Editor_Container::container();

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$this->dependency_check = $editor_container->get( Dependency_Check::class );

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}

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/**

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* Initialize the integration.

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*

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* @internal

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*/

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final public function init(): void {

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if ( ! $this->dependency_check->are_dependencies_met() ) {

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// If dependencies are not met, do not initialize the email editor integration.

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return;

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}

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add_action( 'woocommerce_init', array( $this, 'initialize' ) );

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}

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/**

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* Initialize the integration.

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*/

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public function initialize() {

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$this->init_logger();

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$this->init_hooks();

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$this->extend_post_api();

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$this->extend_template_post_api();

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$this->register_hooks();

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}

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/**

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* Initialize the logger.

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*/

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public function init_logger() {

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$editor_container = Email_Editor_Container::container();

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$logger = $editor_container->get( Email_Editor_Logger::class );

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// Register the WooCommerce logger with the email editor package.

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$logger->set_logger( new Logger( wc_get_logger() ) );

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}

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/**

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* Initialize hooks for required classes.

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*/

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public function init_hooks() {

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$container = wc_get_container();

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$container->get( PatternsController::class );

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$container->get( TemplatesController::class );

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$container->get( PersonalizationTagManager::class );

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$container->get( BlockEmailRenderer::class );

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$container->get( WCTransactionalEmails::class );

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$this->editor_page_renderer = $container->get( PageRenderer::class );

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$this->template_api_controller = $container->get( TemplateApiController::class );

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$this->email_api_controller = $container->get( EmailApiController::class );

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// Using any email class to get the instance.

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$registered_emails = \WC_Emails::instance()->get_emails();

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if ( isset( $registered_emails['WC_Email_New_Order'] ) ) {

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$this->wc_email_instance = $registered_emails['WC_Email_New_Order'];

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} else {

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$first_email_key = array_key_first( $registered_emails );

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$this->wc_email_instance = $registered_emails[ $first_email_key ];

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}

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}

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/**

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* Register hooks for the integration.

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*/

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public function register_hooks() {

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add_filter( 'woocommerce_email_editor_post_types', array( $this, 'add_email_post_type' ) );

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add_filter( 'woocommerce_is_email_editor_page', array( $this, 'is_editor_page' ), 10, 1 );

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add_filter( 'replace_editor', array( $this, 'replace_editor' ), 10, 2 );

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add_action( 'before_delete_post', array( $this, 'delete_email_template_associated_with_email_editor_post' ), 10, 2 );

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add_filter( 'woocommerce_email_editor_send_preview_email_rendered_data', array( $this, 'update_send_preview_email_rendered_data' ), 10, 2 );

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add_filter( 'woocommerce_email_editor_send_preview_email_personalizer_context', array( $this, 'update_send_preview_email_personalizer_context' ) );

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add_filter( 'woocommerce_email_editor_preview_post_template_html', array( $this, 'update_preview_post_template_html_data' ), 100, 1 );

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add_action( 'woocommerce_email_editor_send_preview_email_before_wp_mail', array( $this, 'send_preview_email_before_wp_mail' ), 10 );

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add_action( 'woocommerce_email_editor_send_preview_email_after_wp_mail', array( $this, 'send_preview_email_after_wp_mail' ), 10 );

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}

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/**

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* Add WooCommerce email post type to the list of supported post types.

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*

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* @param array $post_types List of post types.

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* @return array Modified list of post types.

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*/

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public function add_email_post_type( array $post_types ): array {

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$post_types[] = array(

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'name' => self::EMAIL_POST_TYPE,

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'args' => array(

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'labels' => array(

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'name' => __( 'Emails', 'woocommerce' ),

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'singular_name' => __( 'Email', 'woocommerce' ),

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'add_new_item' => __( 'Add Email', 'woocommerce' ),

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'edit_item' => __( 'Edit Email', 'woocommerce' ),

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'new_item' => __( 'New Email', 'woocommerce' ),

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'view_item' => __( 'View Email', 'woocommerce' ),

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'search_items' => __( 'Search Emails', 'woocommerce' ),

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),

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'rewrite' => array( 'slug' => self::EMAIL_POST_TYPE ),

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'supports' => array(

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'title',

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'editor' => array(

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'default-mode' => 'template-locked',

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),

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'excerpt',

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),

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'capability_type' => self::EMAIL_POST_TYPE,

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'capabilities' => array(

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'edit_post' => 'manage_woocommerce',

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'read_post' => 'manage_woocommerce',

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'delete_post' => 'manage_woocommerce',

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'edit_posts' => 'manage_woocommerce',

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'edit_others_posts' => 'manage_woocommerce',

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'delete_posts' => 'manage_woocommerce',

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'publish_posts' => 'manage_woocommerce',

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'read_private_posts' => 'manage_woocommerce',

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'create_posts' => 'manage_woocommerce',

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),

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'map_meta_cap' => false,

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),

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);

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return $post_types;

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}

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/**

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* Check if current page is email editor page.

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*

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* @param bool $is_editor_page Current editor page status.

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* @return bool Whether current page is email editor page.

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*/

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public function is_editor_page( bool $is_editor_page ): bool {

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if ( $is_editor_page ) {

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return $is_editor_page;

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}

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// We need to check early if we are on the email editor page. The check runs early so we can't use current_screen() here.

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if ( is_admin() && isset( $_GET['post'] ) && isset( $_GET['action'] ) && 'edit' === $_GET['action'] ) { // 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).

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$post = get_post( (int) $_GET['post'] ); // 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).

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return $post && self::EMAIL_POST_TYPE === $post->post_type;

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}

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return false;

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}

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/**

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* Replace the default editor with our custom email editor.

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*

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* @param bool $replace Whether to replace the editor.

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* @param WP_Post $post Post object.

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* @return bool Whether the editor was replaced.

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*/

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public function replace_editor( $replace, $post ) {

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$current_screen = get_current_screen();

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if ( self::EMAIL_POST_TYPE === $post->post_type && $current_screen ) {

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$this->editor_page_renderer->render();

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return true;

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}

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return $replace;

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}

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/**

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* Delete the email template associated with the email editor post when the post is permanently deleted.

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*

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* @param int $post_id The post ID.

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* @param WP_Post $post The post object.

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*/

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public function delete_email_template_associated_with_email_editor_post( $post_id, $post ) {

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if ( self::EMAIL_POST_TYPE !== $post->post_type ) {

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return;

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}

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$post_manager = WCTransactionalEmailPostsManager::get_instance();

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$email_type = $post_manager->get_email_type_from_post_id( $post_id, true );

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if ( empty( $email_type ) ) {

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return;

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}

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$post_manager->delete_email_template( $email_type );

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}

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/**

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* Extend the post API for the wp_template post type to add and save the woocommerce_data field.

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*/

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public function extend_template_post_api(): void {

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register_rest_field(

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'wp_template',

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'woocommerce_data',

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array(

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'get_callback' => array( $this->template_api_controller, 'get_template_data' ),

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'update_callback' => array( $this->template_api_controller, 'save_template_data' ),

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'schema' => $this->template_api_controller->get_template_data_schema(),

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)

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);

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}

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/**

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* Filter email preview data to replace placeholders with actual content.

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*

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* This method retrieves the appropriate email type based on the request,

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* generates the email content using the WooContentProcessor, and replaces

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* the placeholder in the preview HTML.

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*

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* @param string $data The preview data.

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* @param string $email_type The email type identifier (e.g., 'customer_processing_order').

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* @param int $post_id The post ID.

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* @return string The updated preview data with placeholders replaced.

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*/

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private function update_email_preview_data( $data, string $email_type, $post_id = 0 ) {

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$type_param = EmailPreview::DEFAULT_EMAIL_TYPE;

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if ( ! empty( $post_id ) ) {

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$type_param = WCTransactionalEmailPostsManager::get_instance()->get_email_type_class_name_from_post_id( $post_id );

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} elseif ( ! empty( $email_type ) ) {

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$type_param = WCTransactionalEmailPostsManager::get_instance()->get_email_type_class_name_from_email_id( $email_type );

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}

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$email_preview = wc_get_container()->get( EmailPreview::class );

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try {

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$message = $email_preview->generate_placeholder_content( $type_param );

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} catch ( \InvalidArgumentException $e ) {

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// If the provided type was invalid, fall back to the default.

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try {

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$message = $email_preview->generate_placeholder_content( EmailPreview::DEFAULT_EMAIL_TYPE );

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} catch ( \Throwable $e ) {

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return $data;

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}

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} catch ( \Throwable $e ) {

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return $data;

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}

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return str_replace( BlockEmailRenderer::WOO_EMAIL_CONTENT_PLACEHOLDER, $message, $data );

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}

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/**

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* Filter email preview data used when sending a preview email.

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*

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* @param string $data The preview data.

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* @param WP_Post $post The post object.

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* @return string The updated preview data with placeholders replaced.

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*/

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public function update_send_preview_email_rendered_data( $data, $post ) {

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$email_type = '';

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$post_body = file_get_contents( 'php://input' );

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if ( $post_body ) {

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$decoded_body = json_decode( $post_body );

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if ( json_last_error() === JSON_ERROR_NONE && isset( $decoded_body->postId ) ) { // phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase

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$post_id = absint( $decoded_body->postId ); // phpcs:ignore WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase

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$email_type = WCTransactionalEmailPostsManager::get_instance()->get_email_type_from_post_id( $post_id );

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if ( ! empty( $email_type ) ) {

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return $this->update_email_preview_data( $data, $email_type );

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}

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}

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} elseif ( ! empty( $post ) && $post instanceof \WP_Post ) {

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$email_type = WCTransactionalEmailPostsManager::get_instance()->get_email_type_from_post_id( $post->ID );

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if ( ! empty( $email_type ) ) {

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return $this->update_email_preview_data( $data, $email_type, $post->ID );

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}

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}

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return $data;

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}

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[330] Fix | Delete

/**

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* Update the personalizer context for the send preview email.

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*

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* @param array $context The personalizer context.

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* @return array The updated personalizer context.

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*/

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public function update_send_preview_email_personalizer_context( $context ) {

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$post_manager = WCTransactionalEmailPostsManager::get_instance();

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$email_id = $post_manager->get_email_type_from_post_id( get_the_ID() );

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$email_type = $email_id ? $post_manager->get_email_type_class_name_from_email_id( $email_id ) : EmailPreview::DEFAULT_EMAIL_TYPE;

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$email_preview = wc_get_container()->get( EmailPreview::class );

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try {

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$email_preview->set_email_type( $email_type );

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} catch ( \InvalidArgumentException $e ) {

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// If the email type is invalid, return the context data as is.

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return $context;

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}

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$email = $email_preview->get_email();

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$email->recipient = $context['recipient_email'] ?? '';

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$personalizer = wc_get_container()->get( TransactionalEmailPersonalizer::class );

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return $personalizer->prepare_context_data( $context, $email );

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}

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/**

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* Filter email preview data used when previewing the email in new tab.

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*

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* @param string $data The preview HTML string.

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* @return string The updated preview HTML with placeholders replaced.

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*/

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public function update_preview_post_template_html_data( $data ) {

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// return early if the data does not contain the placeholder meaning it's already been processed.

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if ( ! str_contains( (string) $data, BlockEmailRenderer::WOO_EMAIL_CONTENT_PLACEHOLDER ) ) {

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return $data;

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}

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// phpcs:disable WordPress.Security.NonceVerification.Recommended

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// Nonce verification is disabled here because the preview action doesn't modify data,

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// and the check caused issues with the 'Preview in new tab' feature due to context changes.

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$type_param = isset( $_GET['woo_email'] ) ? sanitize_text_field( wp_unslash( $_GET['woo_email'] ) ) : '';

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// check for post id (preview id) in the request.

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$post_id = isset( $_REQUEST['preview_id'] ) ? sanitize_text_field( wp_unslash( $_REQUEST['preview_id'] ) ) : '';

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// phpcs:enable

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return $this->update_email_preview_data( $data, $type_param, $post_id );

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}

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/**

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* Extend the post API for the woo_email post type to add and save the woocommerce_data field.

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*/

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public function extend_post_api(): void {

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register_rest_field(

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self::EMAIL_POST_TYPE,

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'woocommerce_data',

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array(

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'get_callback' => array( $this->email_api_controller, 'get_email_data' ),

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'update_callback' => array( $this->email_api_controller, 'save_email_data' ),

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'schema' => $this->email_api_controller->get_email_data_schema(),

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)

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);

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}

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[395] Fix | Delete

/**

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* Action hook callback before sending the preview email via wp_mail

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*

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* @since 10.6.0

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* @return void

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*/

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public function send_preview_email_before_wp_mail() {

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add_filter( 'wp_mail_from', array( $this->wc_email_instance, 'get_from_address' ) );

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add_filter( 'wp_mail_from_name', array( $this->wc_email_instance, 'get_from_name' ) );

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}

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[406] Fix | Delete

/**

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* Action hook callback after sending the preview email via wp_mail.

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*

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* @since 10.6.0

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* @return void

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*/

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public function send_preview_email_after_wp_mail() {

[413] Fix | Delete

remove_filter( 'wp_mail_from', array( $this->wc_email_instance, 'get_from_address' ) );

[414] Fix | Delete

remove_filter( 'wp_mail_from_name', array( $this->wc_email_instance, 'get_from_name' ) );

[415] Fix | Delete

}

[416] Fix | Delete

}

[417] Fix | Delete

[418] Fix | Delete