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<?php

declare(strict_types=1);

namespace Automattic\WooCommerce\Blocks\Utils;

use InvalidArgumentException;
use Automattic\WooCommerce\Blocks\Package;
use Automattic\WooCommerce\Blocks\Domain\Services\Hydration;

/**
 * Manages the registration of interactivity config and state that is commonly shared by WooCommerce blocks.
 * Initialization only happens on the first call to load_store_config.
 *
 * This is a private API and may change in future versions.
 */
class BlocksSharedState {

/**
	 * The consent statement for using private APIs of this class.
	 *
	 * @var string
	 */
	private static string $consent_statement = 'I acknowledge that using private APIs means my theme or plugin will inevitably break in the next version of WooCommerce';

/**
	 * The namespace for interactivity config and state.
	 *
	 * @var string
	 */
	private static string $settings_namespace = 'woocommerce';

/**
	 * Whether the core config has been registered.
	 *
	 * @var bool
	 */
	private static bool $core_config_registered = false;

/**
	 * Cart state.
	 *
	 * @var array|null
	 */
	private static ?array $blocks_shared_cart_state = null;

/**
	 * Prevent caching on certain pages.
	 *
	 * @return void
	 */
	private static function prevent_cache(): void {
		\WC_Cache_Helper::set_nocache_constants();
		nocache_headers();
	}

/**
	 * Check that the consent statement was passed.
	 *
	 * @param string $consent_statement The consent statement string.
	 * @return true
	 * @throws InvalidArgumentException If the statement does not match.
	 */
	private static function check_consent( string $consent_statement ): bool {
		if ( $consent_statement !== self::$consent_statement ) {
			throw new InvalidArgumentException( 'This method cannot be called without consenting the API may change.' );
		}

return true;
	}

/**
	 * Load store config (currency, locale, core data) into interactivity config.
	 *
	 * @param string $consent_statement The consent statement string.
	 * @return void
	 * @throws InvalidArgumentException If consent statement doesn't match.
	 */
	public static function load_store_config( string $consent_statement ): void {
		self::check_consent( $consent_statement );

if ( self::$core_config_registered ) {
			return;
		}

self::$core_config_registered = true;

wp_interactivity_config( self::$settings_namespace, self::get_currency_data() );
		wp_interactivity_config( self::$settings_namespace, self::get_locale_data() );
	}

/**
	 * Load cart state into interactivity state.
	 *
	 * @param string $consent_statement The consent statement string.
	 * @return void
	 * @throws InvalidArgumentException If consent statement doesn't match.
	 */
	public static function load_cart_state( string $consent_statement ): void {
		self::check_consent( $consent_statement );

if ( null === self::$blocks_shared_cart_state ) {
			$cart_exists       = isset( WC()->cart );
			$cart_has_contents = $cart_exists && ! WC()->cart->is_empty();
			if ( $cart_exists ) {
				$cart_response                  = Package::container()->get( Hydration::class )->get_rest_api_response_data( '/wc/store/v1/cart' );
				self::$blocks_shared_cart_state = $cart_response['body'] ?? array();
			} else {
				self::$blocks_shared_cart_state = array();
			}

if ( $cart_has_contents ) {
				self::prevent_cache();
			}

wp_interactivity_config(
				self::$settings_namespace,
				array( 'nonOptimisticProperties' => self::get_non_optimistic_properties() )
			);

wp_interactivity_state(
				self::$settings_namespace,
				array(
					'cart'     => self::$blocks_shared_cart_state,
					'noticeId' => '',
					'restUrl'  => get_rest_url(),
				)
			);
		}
	}

/**
	 * Get currency data to include in settings.
	 *
	 * @return array
	 */
	private static function get_currency_data(): array {
		$currency = get_woocommerce_currency();

return array(
			'currency' => array(
				'code'              => $currency,
				'precision'         => wc_get_price_decimals(),
				'symbol'            => html_entity_decode( get_woocommerce_currency_symbol( $currency ) ),
				'symbolPosition'    => get_option( 'woocommerce_currency_pos' ),
				'decimalSeparator'  => wc_get_price_decimal_separator(),
				'thousandSeparator' => wc_get_price_thousand_separator(),
				'priceFormat'       => html_entity_decode( get_woocommerce_price_format() ),
			),
		);
	}

/**
	 * Get locale data to include in settings.
	 *
	 * @return array
	 */
	private static function get_locale_data(): array {
		global $wp_locale;

return array(
			'locale' => array(
				'siteLocale'    => get_locale(),
				'userLocale'    => get_user_locale(),
				'weekdaysShort' => array_values( $wp_locale->weekday_abbrev ),
			),
		);
	}

/**
	 * Get cart properties that cannot use optimistic UI on the frontend.
	 *
	 * Detects whether third-party code has registered callbacks on filters that
	 * modify cart property values. When callbacks are present, the corresponding
	 * property must use the server-computed value instead of a client-side
	 * optimistic computation.
	 *
	 * `@return` string[] List of cart property paths (dot-delimited) that cannot be optimistic.
	 *
	 * @return string[] List of cart property paths (dot-delimited) that cannot be optimistic.
	 */
	private static function get_non_optimistic_properties(): array {
		$properties = array();

if ( has_filter( 'woocommerce_cart_contents_count' ) ) {
			$properties[] = 'cart.items_count';
		}

return $properties;
	}

/**
	 * Load placeholder image into interactivity config.
	 *
	 * @param string $consent_statement The consent statement string.
	 * @return void
	 * @throws InvalidArgumentException If consent statement doesn't match.
	 */
	public static function load_placeholder_image( string $consent_statement ): void {
		self::check_consent( $consent_statement );

wp_interactivity_config(
			self::$settings_namespace,
			array( 'placeholderImgSrc' => wc_placeholder_img_src() )
		);
	}

/**
	 * Get cart errors formatted as notices for the store-notices interactivity store.
	 *
	 * Returns errors from the hydrated cart state in the format expected by
	 * the store-notices store context.
	 *
	 * @param string $consent_statement The consent statement string.
	 * @return array Array of notices with id, notice, type, and dismissible keys.
	 * @throws InvalidArgumentException If consent statement doesn't match.
	 */
	public static function get_cart_error_notices( string $consent_statement ): array {
		self::check_consent( $consent_statement );

// Ensure cart state is loaded so this method works independently.
		if ( null === self::$blocks_shared_cart_state ) {
			self::load_cart_state( $consent_statement );
		}

$errors  = self::$blocks_shared_cart_state['errors'] ?? array();
		$notices = array();

foreach ( $errors as $error ) {
			$notices[] = array(
				'id'          => wp_unique_id( 'store-notice-' ),
				'notice'      => $error['message'] ?? '',
				'type'        => 'error',
				'dismissible' => true,
			);
		}

return $notices;
	}
}

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Name	Size	Perms	Modified	Actions
BlockHooksTrait.php	6.89 KB	lrw-r--r--	2024-07-30 19:31:16	Edit Download recursive recursive
BlocksSharedState.php	6.86 KB	lrw-r--r--	2026-03-30 17:12:24	Edit Download recursive recursive
BlocksWpQuery.php	2.08 KB	lrw-r--r--	2023-12-27 00:45:02	Edit Download recursive recursive
BlockTemplateUtils.php	30.09 KB	lrw-r--r--	2026-05-05 14:26:50	Edit Download recursive recursive
CartCheckoutUtils.php	17.33 KB	lrw-r--r--	2026-05-05 14:26:50	Edit Download recursive recursive
MiniCartUtils.php	3.51 KB	lrw-r--r--	2024-11-14 01:17:00	Edit Download recursive recursive
ProductAvailabilityUtils.php	1.26 KB	lrw-r--r--	2025-07-29 12:34:58	Edit Download recursive recursive
ProductDataUtils.php	455 B	lrw-r--r--	2025-06-23 19:46:28	Edit Download recursive recursive
ProductGalleryUtils.php	5.75 KB	lrw-r--r--	2026-03-30 17:12:24	Edit Download recursive recursive
StyleAttributesUtils.php	23.12 KB	lrw-r--r--	2025-05-12 21:07:28	Edit Download recursive recursive
Utils.php	1.21 KB	lrw-r--r--	2023-12-27 00:45:02	Edit Download recursive recursive