<?php
/**
* The Third Party integration with the Aelia CurrencySwitcher plugin.
*
* @since 1.0.13
* @since 2.6 Removed hook_vary as OLS supports vary header already
* @package LiteSpeed
* @subpackage LiteSpeed_Cache/thirdparty
*/
namespace LiteSpeed\Thirdparty;
defined( 'WPINC' ) || exit();
/**
* Integration layer for Aelia Currency Switcher.
*
* Registers the plugin cookies as Vary drivers so cached pages can differ by
* selected currency / location. Hooks both the runtime vary list (headers)
* and the rewrite-rules vary list (always needed).
*/
class Aelia_CurrencySwitcher {
/**
* Cookie names used by Aelia Currency Switcher to determine currency & geo.
*
* @var string[]
*/
private static $_cookies = array( 'aelia_cs_selected_currency', 'aelia_customer_country', 'aelia_customer_state', 'aelia_tax_exempt' );
/**
* Detects if WooCommerce + Aelia Currency Switcher are present and registers hooks.
*
* @since 1.0.13
* @access public
* @return void
*/
public static function detect() {
if ( defined( 'WOOCOMMERCE_VERSION' ) && isset( $GLOBALS['woocommerce-aelia-currencyswitcher'] ) && is_object( $GLOBALS['woocommerce-aelia-currencyswitcher'] ) ) {
// Not all pages need to add vary, so allow sites to restrict via filter.
self::$_cookies = apply_filters( 'litespeed_3rd_aelia_cookies', self::$_cookies );
// Add cookies to the active vary header list (conditionally used at runtime).
add_filter( 'litespeed_vary_curr_cookies', __CLASS__ . '::check_cookies' );
// Ensure rewrite rules are aware of these cookies (always include).
add_filter( 'litespeed_vary_cookies', __CLASS__ . '::register_cookies' );
}
}
/**
* Ensure Aelia cookies are part of the global vary cookie registry.
*
* @since 1.0.13
*
* @param string[] $cookies Current list of vary cookies.
* @return string[] Updated list including Aelia cookies.
*/
public static function register_cookies( $cookies ) {
return array_merge( $cookies, self::$_cookies );
}
/**
* Conditionally append Aelia cookies to the vary header set for WooCommerce pages.
*
* If the page is not a WooCommerce page, leave the list unchanged.
* Otherwise, append Aelia's cookies so responses vary correctly.
*
* @since 1.0.13
* @access public
*
* @param string[] $cookies Current list of vary cookies for the response.
* @return string[] Potentially augmented list of vary cookies.
*/
public static function check_cookies( $cookies ) {
// NOTE: is_cart and is_checkout are handled by WooCommerce itself.
if ( ! function_exists( 'is_woocommerce' ) || ! is_woocommerce() ) {
return $cookies;
}
return array_merge( $cookies, self::$_cookies );
}
}