add_action('graphql_response_headers_to_send', function($headers) {
    $headers['Access-Control-Allow-Origin'] = 'https://frontend.ubeenutrition.com';
    $headers['Access-Control-Allow-Headers'] = 'Content-Type';
    $headers['Access-Control-Allow-Methods'] = 'POST, GET, OPTIONS';
    return $headers;
});

add_filter('wp_rest_cache/allowed_endpoints', function($endpoints) {
    // Cache WooCommerce product endpoints
    if (!isset($endpoints['wc/v3'])) {
        $endpoints['wc/v3'] = [];
    }
    $endpoints['wc/v3'][] = 'products';
    $endpoints['wc/v3'][] = 'products/categories';
    $endpoints['wc/v3'][] = 'coupons';
    return $endpoints;
});

// Allow frontend to access REST API and GraphQL
add_action('init', function() {
    $origin = isset($_SERVER['HTTP_ORIGIN']) ? $_SERVER['HTTP_ORIGIN'] : '';
    $allowed = array(
        'https://frontend.ubeenutrition.com'
    );
    if (in_array($origin, $allowed)) {
        header('Access-Control-Allow-Origin: ' . $origin);
        header('Access-Control-Allow-Methods: GET, POST, OPTIONS');
        header('Access-Control-Allow-Headers: Content-Type, Authorization');
        header('Access-Control-Allow-Credentials: true');
    }
    if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') {
        status_header(200);
        exit();
    }
});<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="https://ubeenutrition.com/wp-sitemap-index.xsl" ?>
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://ubeenutrition.com/wp-sitemap-posts-post-1.xml</loc></sitemap><sitemap><loc>https://ubeenutrition.com/wp-sitemap-posts-page-1.xml</loc></sitemap><sitemap><loc>https://ubeenutrition.com/wp-sitemap-posts-recipe-1.xml</loc></sitemap><sitemap><loc>https://ubeenutrition.com/wp-sitemap-posts-product-1.xml</loc></sitemap><sitemap><loc>https://ubeenutrition.com/wp-sitemap-taxonomies-category-1.xml</loc></sitemap><sitemap><loc>https://ubeenutrition.com/wp-sitemap-taxonomies-post_tag-1.xml</loc></sitemap><sitemap><loc>https://ubeenutrition.com/wp-sitemap-taxonomies-ubee-product-1.xml</loc></sitemap><sitemap><loc>https://ubeenutrition.com/wp-sitemap-taxonomies-product_cat-1.xml</loc></sitemap><sitemap><loc>https://ubeenutrition.com/wp-sitemap-taxonomies-product_shipping_class-1.xml</loc></sitemap></sitemapindex>