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File Content: `class-user-theme.php`

<?php
/**
 * This file is part of the WooCommerce Email Editor package.
 *
 * @package Automattic\WooCommerce\EmailEditor
 */

declare(strict_types = 1);
namespace Automattic\WooCommerce\EmailEditor\Engine;

use WP_Post;
use WP_Theme_JSON;

/**
 * This class is responsible for managing and accessing theme data aka email styles created by users.
 */
class User_Theme {
	private const USER_THEME_POST_NAME = 'wp-global-styles-woocommerce-email';
	private const INITIAL_THEME_DATA   = array(
		'version'                     => 3,
		'isGlobalStylesUserThemeJSON' => true,
	);

	/**
	 * Core theme loaded from the WordPress core.
	 *
	 * @var WP_Post | null
	 */
	private ?WP_Post $user_theme_post = null;

	/**
	 * Getter for user theme.
	 *
	 * @throws \Exception If the user theme post cannot be created.
	 * @return WP_Theme_JSON
	 */
	public function get_theme(): WP_Theme_JSON {
		$post       = $this->get_user_theme_post();
		$theme_data = json_decode( $post->post_content, true );
		if ( ! is_array( $theme_data ) ) {
			$theme_data = self::INITIAL_THEME_DATA;
		}
		return new WP_Theme_JSON( $theme_data, 'custom' );
	}

	/**
	 * Getter for user theme post.
	 * If the post does not exist, it will be created.
	 *
	 * @throws \Exception If the user theme post cannot be created.
	 * @return WP_Post
	 */
	public function get_user_theme_post(): WP_Post {
		$this->ensure_theme_post();
		if ( ! $this->user_theme_post instanceof WP_Post ) {
			throw new \Exception( 'Error creating user theme post' );
		}
		return $this->user_theme_post;
	}

	/**
	 * Ensures that the user theme post exists and is loaded.
	 *
	 * @throws \Exception If the user theme post cannot be created.
	 */
	private function ensure_theme_post(): void {
		if ( $this->user_theme_post ) {
			return;
		}
		$this->user_theme_post = get_page_by_path( self::USER_THEME_POST_NAME, OBJECT, 'wp_global_styles' );
		if ( $this->user_theme_post instanceof WP_Post ) {
			return;
		}
		$post_data = array(
			'post_title'   => __( 'Custom Email Styles', 'woocommerce' ),
			'post_name'    => self::USER_THEME_POST_NAME,
			'post_content' => (string) wp_json_encode( self::INITIAL_THEME_DATA, JSON_FORCE_OBJECT ),
			'post_status'  => 'publish',
			'post_type'    => 'wp_global_styles',
		);

		/**
		 * The doc is needed since PHPStan thinks that wp_insert_post can't return WP_Error.
		 *
		 * @var int|\WP_Error $post_id
		 */
		$post_id = wp_insert_post( $post_data );

		if ( is_wp_error( $post_id ) ) {
			throw new \Exception( 'Error creating user theme post: ' . esc_html( $post_id->get_error_message() ) );
		}

		$this->user_theme_post = get_post( $post_id );
	}
}

Name	Size	Permission
Logger	---	0755
Patterns	---	0755
PersonalizationTags	---	0755
Renderer	---	0755
Templates	---	0755
class-dependency-check.php	813 bytes	0644
class-email-api-controller.php	3507 bytes	0644
class-email-editor.php	11973 bytes	0644
class-email-styles-schema.php	3034 bytes	0644
class-personalizer.php	7081 bytes	0644
class-send-preview-email.php	5151 bytes	0644
class-settings-controller.php	5802 bytes	0644
class-theme-controller.php	11200 bytes	0644
class-user-theme.php	2641 bytes	0644
content-editor.css	4293 bytes	0644
content-shared.css	409 bytes	0644
theme.json	7140 bytes	0644

File Content: class-user-theme.php

File Content: `class-user-theme.php`