wc-composable-product/wc-composable-product.php

<?php
/**
 * Plugin Name: WooCommerce Composable Products
 * Plugin URI: https://github.com/magdev/wc-composable-product
 * Description: Create composable products where customers select a limited number of items from a configurable set
 * Version: 1.1.8
 * Author: Marco Graetsch
 * Author URI: https://example.com
 * License: GPL v3 or later
 * License URI: https://www.gnu.org/licenses/gpl-3.0.html
 * Text Domain: wc-composable-product
 * Domain Path: /languages
 * Requires at least: 6.0
 * Requires PHP: 8.3
 * WC requires at least: 8.0
 * WC tested up to: 10.0
 */

defined('ABSPATH') || exit;

// Define plugin constants
define('WC_COMPOSABLE_PRODUCT_VERSION', '1.1.8');
define('WC_COMPOSABLE_PRODUCT_FILE', __FILE__);
define('WC_COMPOSABLE_PRODUCT_PATH', plugin_dir_path(__FILE__));
define('WC_COMPOSABLE_PRODUCT_URL', plugin_dir_url(__FILE__));
define('WC_COMPOSABLE_PRODUCT_BASENAME', plugin_basename(__FILE__));

// Load Composer autoloader
if (file_exists(WC_COMPOSABLE_PRODUCT_PATH . 'vendor/autoload.php')) {
    require_once WC_COMPOSABLE_PRODUCT_PATH . 'vendor/autoload.php';
}

/**
 * Check if WooCommerce is active
 */
function wc_composable_product_check_woocommerce() {
    if (!class_exists('WooCommerce')) {
        add_action('admin_notices', function() {
            ?>
            <div class="notice notice-error">
                <p><?php esc_html_e('WooCommerce Composable Products requires WooCommerce to be installed and active.', 'wc-composable-product'); ?></p>
            </div>
            <?php
        });
        return false;
    }
    return true;
}

/**
 * Initialize the plugin
 */
function wc_composable_product_init() {
    if (!wc_composable_product_check_woocommerce()) {
        return;
    }

    // Load text domain
    load_plugin_textdomain('wc-composable-product', false, dirname(WC_COMPOSABLE_PRODUCT_BASENAME) . '/languages');

    // Initialize main plugin class
    WC_Composable_Product\Plugin::instance();
}
// Use woocommerce_init to ensure all WooCommerce classes including settings are loaded
add_action('woocommerce_init', 'wc_composable_product_init');

/**
 * Declare HPOS compatibility
 */
add_action('before_woocommerce_init', function() {
    if (class_exists(\Automattic\WooCommerce\Utilities\FeaturesUtil::class)) {
        \Automattic\WooCommerce\Utilities\FeaturesUtil::declare_compatibility('custom_order_tables', __FILE__, true);
    }
});

/**
 * Activation hook
 */
function wc_composable_product_activate() {
    if (!class_exists('WooCommerce')) {
        deactivate_plugins(WC_COMPOSABLE_PRODUCT_BASENAME);
        wp_die(
            esc_html__('This plugin requires WooCommerce to be installed and active.', 'wc-composable-product'),
            esc_html__('Plugin Activation Error', 'wc-composable-product'),
            array('back_link' => true)
        );
    }
}
register_activation_hook(__FILE__, 'wc_composable_product_activate');