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<?php
declare( strict_types = 1 );
namespace Automattic\WooCommerce\Internal\Email;
use Automattic\WooCommerce\Internal\RegisterHooksInterface;
/**
* Helper class for syncing email styles with theme styles.
*
* @internal Just for internal use.
*/
class EmailStyleSync implements RegisterHooksInterface {
/**
* Option name for auto-sync setting.
*/
const AUTO_SYNC_OPTION = 'woocommerce_email_auto_sync_with_theme';
/**
* Flag to prevent recursive syncing.
*
* @var bool
*/
private $is_syncing = false;
/**
* Register hooks and filters.
*/
public function register() {
// Hook into theme change events.
add_action( 'after_switch_theme', array( $this, 'sync_email_styles_with_theme' ) );
add_action( 'customize_save_after', array( $this, 'sync_email_styles_with_theme' ) );
// Hook into theme.json and global styles changes.
add_action( 'wp_theme_json_data_updated', array( $this, 'sync_email_styles_with_theme' ) );
add_action( 'rest_after_insert_global_styles', array( $this, 'sync_email_styles_with_theme' ) );
add_action( 'update_option_wp_global_styles', array( $this, 'sync_email_styles_with_theme' ) );
add_action( 'save_post_wp_global_styles', array( $this, 'sync_email_styles_with_theme' ) );
// Hook into the theme editor save action.
add_action( 'wp_ajax_wp_save_styles', array( $this, 'sync_email_styles_with_theme' ), 999 );
// Hook into auto-sync option update to trigger sync when enabled.
add_action( 'update_option_' . self::AUTO_SYNC_OPTION, array( $this, 'maybe_sync_on_option_update' ), 10, 3 );
}
/**
* Trigger sync when auto-sync option is enabled.
*
* @param mixed $old_value The old option value.
* @param mixed $new_value The new option value.
* @param string $option The option name.
*/
public function maybe_sync_on_option_update( $old_value, $new_value, $option ) {
if ( 'yes' === $new_value && 'yes' !== $old_value ) {
// Force sync regardless of current auto-sync setting since we know it's being enabled.
$this->is_syncing = true;
try {
$this->update_email_colors();
} finally {
$this->is_syncing = false;
}
}
}
/**
* Check if auto-sync is enabled.
*
* @return bool Whether auto-sync is enabled.
*/
public function is_auto_sync_enabled() {
return 'yes' === get_option( self::AUTO_SYNC_OPTION, 'no' );
}
/**
* Set auto-sync enabled status.
*
* @param bool $enabled Whether auto-sync should be enabled.
* @return bool Whether the option was updated.
*/
public function set_auto_sync( bool $enabled ) {
return update_option( self::AUTO_SYNC_OPTION, $enabled ? 'yes' : 'no' );
}
/**
* Sync email styles with theme styles if auto-sync is enabled.
*
* Uses a flag to prevent recursive calls.
*/
public function sync_email_styles_with_theme() {
if ( $this->is_syncing || ! $this->is_auto_sync_enabled() || ! wp_theme_has_theme_json() ) {
return;
}
$this->is_syncing = true;
try {
$this->update_email_colors();
} finally {
$this->is_syncing = false;
}
}
/**
* Update email colors from theme colors.
*/
protected function update_email_colors() {
$colors = EmailColors::get_default_colors();
if ( empty( $colors ) ) {
return;
}
if ( ! empty( $colors['base'] ) ) {
update_option( 'woocommerce_email_base_color', $colors['base'] );
}
if ( ! empty( $colors['bg'] ) ) {
update_option( 'woocommerce_email_background_color', $colors['bg'] );
}
if ( ! empty( $colors['body_bg'] ) ) {
update_option( 'woocommerce_email_body_background_color', $colors['body_bg'] );
}
if ( ! empty( $colors['body_text'] ) ) {
update_option( 'woocommerce_email_text_color', $colors['body_text'] );
}
if ( ! empty( $colors['footer_text'] ) ) {
update_option( 'woocommerce_email_footer_text_color', $colors['footer_text'] );
}
}
}
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