wish-list-for-woocommerce.php

<?php
/*
Plugin Name: Wishlist for WooCommerce
Plugin URI: https://wpfactory.com/item/wish-list-woocommerce/
Description: Let your visitors show what products they like on your WooCommerce store with a <strong>Wishlist</strong>.
Version: 3.1.9
Author: WPFactory
Author URI: https://wpfactory.com/
License: GNU General Public License v3.0
License URI: http://www.gnu.org/licenses/gpl-3.0.html
Text Domain: wish-list-for-woocommerce
Domain Path: /langs
WC requires at least: 3.0.0
WC tested up to: 9.7
Requires Plugins: woocommerce
*/

defined( 'ABSPATH' ) || exit;

if ( ! function_exists( 'alg_wc_wl_is_plugin_active' ) ) {
	/**
	 * alg_wc_wl_is_plugin_active.
	 *
	 * @version 3.1.0
	 * @since   3.1.0
	 */
	function alg_wc_wl_is_plugin_active( $plugin ) {
		return ( function_exists( 'is_plugin_active' ) ? is_plugin_active( $plugin ) :
			(
				in_array( $plugin, apply_filters( 'active_plugins', ( array ) get_option( 'active_plugins', array() ) ) ) ||
				( is_multisite() && array_key_exists( $plugin, ( array ) get_site_option( 'active_sitewide_plugins', array() ) ) )
			)
		);
	}
}

// Check for active plugins.
if (
	! alg_wc_wl_is_plugin_active( 'woocommerce/woocommerce.php' ) ||
	( 'wish-list-for-woocommerce.php' === basename( __FILE__ ) && alg_wc_wl_is_plugin_active( 'wish-list-for-woocommerce-pro/wish-list-for-woocommerce-pro.php' ) )
) {
	if ( function_exists( 'alg_wc_wish_list' ) ) {
		add_action( 'before_woocommerce_init', function () {
			$plugin = alg_wc_wish_list();
			if ( method_exists( $plugin, 'set_free_version_filesystem_path' ) ) {
				$plugin->set_free_version_filesystem_path( __FILE__ );
			}
		}, 5 );
	}

	return;
}

if ( ! function_exists( 'alg_wc_wl_pro_autoloader' ) ) {

	/**
	 * Autoloads all classes
	 *
	 * @version 1.0.0
	 * @since   1.0.0
	 *
	 * @param   type  $class
	 */
	function alg_wc_wl_pro_autoloader( $class ) {
		// if ( false !== strpos( $class, 'Alg_WC_Wish_List_Pro' ) ) {
		$classes_dir     = array();
		$plugin_dir_path = realpath( plugin_dir_path( __FILE__ ) );
		$classes_dir[0]  = $plugin_dir_path . DIRECTORY_SEPARATOR . 'includes' . DIRECTORY_SEPARATOR;
		$classes_dir[1]  = $plugin_dir_path . DIRECTORY_SEPARATOR . 'includes' . DIRECTORY_SEPARATOR . 'admin' . DIRECTORY_SEPARATOR;
		$classes_dir[2]  = $plugin_dir_path . DIRECTORY_SEPARATOR . 'includes' . DIRECTORY_SEPARATOR . 'frontend' . DIRECTORY_SEPARATOR;
		$classes_dir[3]  = $plugin_dir_path . DIRECTORY_SEPARATOR . 'includes' . DIRECTORY_SEPARATOR . 'free' . DIRECTORY_SEPARATOR;
		$classes_dir[4]  = $plugin_dir_path . DIRECTORY_SEPARATOR . 'includes' . DIRECTORY_SEPARATOR . 'pro' . DIRECTORY_SEPARATOR;
		$class_file      = 'class-' . strtolower( str_replace( array( '_', "\0" ), array(
					'-',
					''
				), $class ) . '.php' );
		foreach ( $classes_dir as $key => $dir ) {
			$file = $dir . $class_file;
			if ( is_file( $file ) ) {
				require_once $file;
				break;
			}
		}
		// }
	}

	spl_autoload_register( 'alg_wc_wl_pro_autoloader' );
}

if ( ! class_exists( 'Alg_WC_Wishlist_For_Woocommerce' ) ) :

	/**
	 * Main Alg_WC_Wishlist_For_Woocommerce Class
	 *
	 * @class   Alg_WC_Wishlist_For_Woocommerce
	 * @version 2.3.7
	 * @since   2.3.7
	 */
	final class Alg_WC_Wishlist_For_Woocommerce {
		/**
		 * @since 2.3.7
		 * @var   Alg_WC_Wishlist_For_Woocommerce The single instance of the class
		 */
		protected static $_instance = null;

		/**
		 * Main Alg_WC_Wishlist_For_Woocommerce Instance
		 *
		 * Ensures only one instance of Alg_WC_Wishlist_For_Woocommerce is loaded or can be loaded.
		 *
		 * @version 2.3.7
		 * @since   2.3.7
		 * @static
		 * @return  Alg_WC_Wishlist_For_Woocommerce - Main instance
		 */
		public static function instance() {
			if ( is_null( self::$_instance ) ) {
				self::$_instance = new self();
			}

			return self::$_instance;
		}

		/**
		 * Alg_WC_Wishlist_For_Woocommerce Constructor.
		 *
		 * @version 2.3.7
		 * @since   2.3.7
		 * @access  public
		 */
		function __construct() {

			// Pro
			if ( 'wish-list-for-woocommerce-pro.php' === basename( __FILE__ ) ) {
				require_once( 'includes/pro/class-wish-list-for-woocommerce-pro.php' );
			}

		}
	}

endif;

// Composer autoload
if ( ! function_exists( 'alg_wc_wishlist_for_woocommerce' ) ) {
	require_once plugin_dir_path( __FILE__ ) . 'vendor/autoload.php';
}

if ( ! function_exists( 'alg_wc_wishlist_for_woocommerce' ) ) {
	/**
	 * Returns the main instance of Alg_WC_Wishlist_For_Woocommerce to prevent the need to use globals.
	 *
	 * @version 2.3.7
	 * @since   2.3.7
	 * @return  Alg_WC_Wishlist_For_Woocommerce
	 */
	function alg_wc_wishlist_for_woocommerce() {
		return Alg_WC_Wishlist_For_Woocommerce::instance();
	}
}

// Constants
if ( ! defined( 'ALG_WC_WL_DIR' ) ) {
	define( 'ALG_WC_WL_DIR', untrailingslashit( plugin_dir_path( __FILE__ ) ) . DIRECTORY_SEPARATOR );
}

if ( ! defined( 'ALG_WC_WL_URL' ) ) {
	define( 'ALG_WC_WL_URL', plugin_dir_url( __FILE__ ) );
}

if ( ! defined( 'ALG_WC_WL_BASENAME' ) ) {
	define( 'ALG_WC_WL_BASENAME', plugin_basename( __FILE__ ) );
}

if ( ! defined( 'ALG_WC_WL_FOLDER_NAME' ) ) {
	define( 'ALG_WC_WL_FOLDER_NAME', untrailingslashit( plugin_dir_path( plugin_basename( __FILE__ ) ) ) );
}

if ( ! defined( 'ALG_WC_WL_FILEPATH' ) ) {
	define( 'ALG_WC_WL_FILEPATH', __FILE__ );
}

// Loads the template
if ( ! function_exists( 'alg_wc_wl_pro_locate_template' ) ) {
	/**
	 * Returns a template.
	 *
	 * Searches For a template on stylesheet directory and if it's not found get this same template on plugin's template folder
	 *
	 * @version 1.3.1
	 * @since   1.3.1
	 *
	 * @param   $path
	 * @param   $params
	 *
	 * @return  string
	 */
	function alg_wc_wl_pro_locate_template( $path, $params = null ) {
		$located     = locate_template( array(
			ALG_WC_WL_FOLDER_NAME . '/' . $path,
		) );
		$plugin_path = ALG_WC_WL_DIR . 'templates' . DIRECTORY_SEPARATOR . $path;
		if ( ! $located && file_exists( $plugin_path ) ) {
			$final_file = $plugin_path;
		} elseif ( $located ) {
			$final_file = $located;
		}
		if ( $params ) {
			$params = apply_filters( 'alg_wc_wl_locate_template_params', $params, $final_file, $path );
			set_query_var( 'params', $params );
		}
		ob_start();
		$final_file = apply_filters( 'alg_wc_wl_locate_template', $final_file, $params, $path );
		include( $final_file );

		return ob_get_clean();
	}
}

// Loads the template
if ( ! function_exists( 'alg_wc_wl_locate_template' ) ) {
	/**
	 * Returns a template.
	 *
	 * Searches For a template on stylesheet directory and if it's not found get this same template on plugin's template folder
	 *
	 * @version 1.3.2
	 * @since   1.0.0
	 *
	 * @param   type  $path
	 * @param   type  $params
	 *
	 * @return  type
	 * @global  type  $woocommerce
	 */
	function alg_wc_wl_locate_template( $path, $params = null ) {
		$located     = locate_template( array(
			'wish-list-for-woocommerce' . DIRECTORY_SEPARATOR . $path,
		) );
		$plugin_path = ALG_WC_WL_DIR . 'templates' . DIRECTORY_SEPARATOR . $path;
		if ( ! $located && file_exists( $plugin_path ) ) {
			$final_file = $plugin_path;
		} elseif ( $located ) {
			$final_file = $located;
		}
		if ( $params ) {
			$params = apply_filters( 'alg_wc_wl_locate_template_params', $params, $final_file, $path );
			set_query_var( 'params', $params );
		}
		ob_start();
		extract( $params );
		$final_file = apply_filters( 'alg_wc_wl_locate_template', $final_file, $params, $path );
		include( $final_file );

		return ob_get_clean();
	}
}

if ( ! function_exists( 'alg_wc_wish_list' ) ) {
	/**
	 * Returns the main instance of Alg_WC_Wish_List_Core to prevent the need to use globals.
	 *
	 * @version 1.0.0
	 * @since   1.0.0
	 * @return  Alg_WC_Wish_List_Core
	 */
	function alg_wc_wish_list() {
		return Alg_WC_Wish_List_Core::instance();
	}
}

add_action( 'plugins_loaded', 'alg_wc_wl_pro_start_plugin' );
if ( ! function_exists( 'alg_wc_wl_pro_start_plugin' ) ) {
	/**
	 * Returns the main instance of Alg_WC_Wish_List_Core to prevent the need to use globals.
	 *
	 * @version 2.3.7
	 * @since   1.3.2
	 * @return  Alg_WC_Wish_List_Core
	 */
	function alg_wc_wl_pro_start_plugin() {

		// Loads free version of plugin
		$alg_wc_wl = alg_wc_wish_list();

		// Load Pro version 
		alg_wc_wishlist_for_woocommerce();

		remove_action( 'plugins_loaded', 'alg_wc_wl_pro_start_plugin' );
	}
}

if ( ! function_exists( 'alg_wc_wl_pro_on_install' ) ) {
	/**
	 * alg_wc_wl_pro_on_install.
	 *
	 * @version   1.9.1
	 * @since     1.9.1
	 */
	function alg_wc_wl_pro_on_install() {
		alg_wc_wl_pro_start_plugin();
		Alg_WC_Wish_List_Core::on_install();
	}
}
register_activation_hook( __FILE__, 'alg_wc_wl_pro_on_install' );

if ( ! function_exists( 'alg_wc_wl_pro_on_uninstall' ) ) {
	/**
	 * alg_wc_wl_pro_on_uninstall.
	 *
	 * @version   1.9.1
	 * @since     1.9.1
	 */
	function alg_wc_wl_pro_on_uninstall() {
		alg_wc_wl_pro_start_plugin();
		Alg_WC_Wish_List_Core::on_uninstall();
	}
}
register_uninstall_hook( __FILE__, 'alg_wc_wl_pro_on_uninstall' );