JezK

Edit File: checkout-fees-for-woocommerce.php

<?php
/**
 * Plugin Name: Payment Gateway Based Fees and Discounts for WooCommerce
 * Plugin URI: https://www.tychesoftwares.com/store/premium-plugins/payment-gateway-based-fees-and-discounts-for-woocommerce-plugin/
 * Description: Set payment gateways fees and discounts in WooCommerce.
 * Version: 2.7.0
 * Author: Tyche Softwares
 * Author URI: https://www.tychesoftwares.com/
 * Text Domain: checkout-fees-for-woocommerce
 * Domain Path: /langs
 * Copyright: � 2021 Tyche Softwares
 * License: GNU General Public License v3.0
 * License URI: http://www.gnu.org/licenses/gpl-3.0.html
 * WC tested up to: 6.6.1
 *
 * @package checkout-fees-for-woocommerce
 */

// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

// Check if WooCommerce is active.
$plugin_name = 'woocommerce/woocommerce.php';
if (
	! in_array( $plugin_name, apply_filters( 'active_plugins', get_option( 'active_plugins', array() ) ) ) &&
	! ( is_multisite() && array_key_exists( $plugin_name, get_site_option( 'active_sitewide_plugins', array() ) ) )
) {
	return;
}

if ( 'checkout-fees-for-woocommerce.php' === basename( __FILE__ ) ) {
	// Check if Pro is active, if so then return.
	$plugin_name = 'checkout-fees-for-woocommerce-pro/checkout-fees-for-woocommerce-pro.php';
	if (
		in_array( $plugin_name, apply_filters( 'active_plugins', get_option( 'active_plugins', array() ) ) ) ||
		( is_multisite() && array_key_exists( $plugin_name, get_site_option( 'active_sitewide_plugins', array() ) ) )
	) {
		return;
	}
}

if ( ! class_exists( 'Alg_Woocommerce_Checkout_Fees' ) ) :

/**
	 * Main Alg_Woocommerce_Checkout_Fees Class
	 *
	 * @version 2.5.2
	 * @class   Alg_Woocommerce_Checkout_Fees
	 */
	final class Alg_Woocommerce_Checkout_Fees {

/**
		 * Plugin version.
		 *
		 * @var   string
		 * @since 2.1.0
		 */
		public $version = '2.7.0';

/**
		 * The single instance of the class.
		 *
		 * @var Alg_Woocommerce_Checkout_Fees
		 */
		protected static $instance = null;

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

/**
		 * Alg_Woocommerce_Checkout_Fees Constructor.
		 *
		 * @version 2.5.2
		 * @access  public
		 * @todo    [dev] maybe replace all standalone options with option arrays, e.g.: replace `alg_gateways_fees_text_ . $key` with `alg_gateways_fees_text[$key]`
		 */
		public function __construct() {

// Include required files.
			$this->includes();
			if ( is_admin() ) {
				add_action( 'init', array( $this, 'load_plugin_textdomain' ) );
			}

// Admin.
			if ( is_admin() ) {
				add_filter( 'woocommerce_get_settings_pages', array( $this, 'add_woocommerce_settings_tab' ) );
				add_filter( 'plugin_action_links_' . plugin_basename( __FILE__ ), array( $this, 'action_links' ) );
				// Admin core.
				require_once 'includes/class-alg-wc-checkout-fees-admin.php';
				// Settings.
				require_once 'includes/settings/class-alg-wc-checkout-fees-settings-section.php';
				$this->settings                     = array();
				$this->settings['general']          = require_once 'includes/settings/class-alg-wc-checkout-fees-settings-general.php';
				$this->settings['info']             = require_once 'includes/settings/class-alg-wc-checkout-fees-settings-info.php';
				$this->settings['global-extra-fee'] = require_once 'includes/settings/class-alg-wc-checkout-fees-settings-global-extra-fee.php';
				$this->settings['gateways']         = require_once 'includes/settings/class-alg-wc-checkout-fees-settings-gateways.php';
				// Settings - Per product meta box.
				$this->meta_box_settings = require_once 'includes/settings/class-alg-wc-checkout-fees-settings-per-product.php';
				// Version.
				if ( get_option( 'alg_woocommerce_checkout_fees_version', '' ) !== $this->version ) {
					add_action( 'admin_init', array( $this, 'version_updated' ) );
				}
			}

}

/**
		 * Show action links on the plugin screen.
		 *
		 * @version 2.5.0
		 * @param   mixed $links Settings link on Plugins page.
		 * @return  array
		 */
		public function action_links( $links ) {
			$custom_links   = array();
			$custom_links[] = '<a href="' . admin_url( 'admin.php?page=wc-settings&tab=alg_checkout_fees' ) . '">' . __( 'Settings', 'woocommerce' ) . '</a>';
			if ( 'checkout-fees-for-woocommerce.php' === basename( __FILE__ ) ) {
				$custom_links[] = '<a href="https://www.tychesoftwares.com/store/premium-plugins/payment-gateway-based-fees-and-discounts-for-woocommerce-plugin/?utm_source=pgfupgradetopro&utm_medium=unlockall&utm_campaign=PaymentGatewayFeesLite">' .
				__( 'Unlock All', 'checkout-fees-for-woocommerce' ) . '</a>';
			}
			return array_merge( $custom_links, $links );
		}

/**
		 * Include required core files used in admin and on the frontend.
		 *
		 * @version 2.5.2
		 */
		public function includes() {
			// Functions.
			require_once 'includes/functions/country-functions.php';
			// Core.
			$this->core = require_once 'includes/class-alg-wc-checkout-fees.php';
			require_once 'includes/class-alg-wc-order-fees.php';
		}

/**
		 * Add translations as per user language.
		 *
		 * @version 2.5.2
		 */
		public function load_plugin_textdomain() {
			$locale = determine_locale();
			$locale = apply_filters( 'plugin_locale', $locale, 'woocommerce' );
			unload_textdomain( 'checkout-fees-for-woocommerce' );
			load_textdomain( 'checkout-fees-for-woocommerce', WP_LANG_DIR . '/checkout-fees-for-woocommerce/checkout-fees-for-woocommerce-' . $locale . '.mo' );
			load_plugin_textdomain( 'checkout-fees-for-woocommerce', false, dirname( plugin_basename( __FILE__ ) ) . '/langs/' );
		}

/**
		 * Version_updated.
		 *
		 * @version 2.5.2
		 * @since   2.5.0
		 */
		public function version_updated() {
			foreach ( $this->settings as $section ) {
				foreach ( $section->get_settings() as $value ) {
					if ( isset( $value['default'] ) && isset( $value['id'] ) ) {
						$autoload = isset( $value['autoload'] ) ? (bool) $value['autoload'] : true;
						add_option( $value['id'], $value['default'], '', ( $autoload ? 'yes' : 'no' ) );
					}
				}
			}
			update_option( 'alg_woocommerce_checkout_fees_version', $this->version );
		}

/**
		 * Add Woocommerce settings tab to WooCommerce settings.
		 *
		 * @param array $settings Add settings tab in WooCommerce.
		 * @version 2.5.2
		 */
		public function add_woocommerce_settings_tab( $settings ) {
			$settings[] = require_once 'includes/settings/class-alg-wc-settings-checkout-fees.php';
			return $settings;
		}

/**
		 * Get the plugin url.
		 *
		 * @return string
		 */
		public function plugin_url() {
			return untrailingslashit( plugin_dir_url( __FILE__ ) );
		}

/**
		 * Get the plugin path.
		 *
		 * @return string
		 */
		public function plugin_path() {
			return untrailingslashit( plugin_dir_path( __FILE__ ) );
		}
	}

endif;

if ( ! function_exists( 'alg_wc_cf' ) ) {
	/**
	 * Returns the main instance of Alg_Woocommerce_Checkout_Fees to prevent the need to use globals.
	 *
	 * @version 2.3.0
	 * @return  Alg_Woocommerce_Checkout_Fees
	 */
	function alg_wc_cf() {
		return Alg_Woocommerce_Checkout_Fees::instance();
	}
}

alg_wc_cf();