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

<?php

/**
 * Plugin Name: WooCommerce Composable Products
 * Plugin URI: https://src.bundespruefstelle.ch/magdev/wc-composable-product
 * Description: Create composable products where customers select a limited number of items from a configurable set
 * Version: 1.3.1
 * Author: Marco Graetsch
 * Author URI: https://src.bundespruefstelle.ch/magdev
 * 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', '1.3.1' );
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
	Magdev\WcComposableProduct\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' );