oont-contents/plugins/flexible-shipping/classes/table-rate/flexible-shipping-settings.php

<?php
/**
 * WPDesk_Flexible_Shipping_Settings
 *
 * @package Flexible Shipping
 */

use FSVendor\WPDesk\Beacon\Beacon\WooCommerceSettingsFieldsModifier;
use WPDesk\FS\Info\FSIE;
use WPDesk\FS\Info\FSPro;
use WPDesk\FS\Info\FSWalkthrough;
use WPDesk\FS\Info\FSWalkthroughPL;
use WPDesk\FS\Info\Metabox;
use WPDesk\FS\Info\Video;
use WPDesk\FS\Info\WooCommerceABC;
use WPDesk\FS\Info\WooCommerceABCPL;

/**
 * Mainly read only info about FS + debug mode.
 */
class WPDesk_Flexible_Shipping_Settings extends WC_Shipping_Method {

	const METHOD_ID = 'flexible_shipping_info';

	const WOOCOMMERCE_PAGE_WC_SETTINGS = 'wc-settings';

	const WOOCOMMERCE_SETTINGS_SHIPPING_URL = 'admin.php?page=wc-settings&tab=shipping';

	/**
	 * Logger settings.
	 *
	 * @var WPDesk_Flexible_Shipping_Logger_Settings
	 */
	private $logger_settings;

	/**
	 * WPDesk_Flexible_Shipping_Connect constructor.
	 *
	 * @param int $instance_id Instance id.
	 */
	public function __construct( $instance_id = 0 ) {
		parent::__construct( $instance_id );

		$this->id           = self::METHOD_ID;
		$this->enabled      = 'no';
		$this->method_title = __( 'Flexible Shipping Info', 'flexible-shipping' );

		$this->supports = [
			'settings',
		];

		$this->logger_settings = new WPDesk_Flexible_Shipping_Logger_Settings( $this );

		$this->init_form_fields();

		add_action( 'woocommerce_update_options_shipping_' . $this->id, [ $this, 'process_admin_options' ] );
	}

	/**
	 * Update debug mode.
	 */
	private function update_debug_mode() {
		$this->logger_settings->update_option_from_saas_settings( $this );
	}

	/**
	 * Process admin options.
	 */
	public function process_admin_options() {
		parent::process_admin_options();
		$this->update_debug_mode();

		$url = admin_url( self::WOOCOMMERCE_SETTINGS_SHIPPING_URL );
		$url = add_query_arg( 'section', $this->id, $url );
		wp_safe_redirect( $url );
		exit;
	}

	/**
	 * In settings screen?
	 *
	 * @return bool
	 */
	public function is_in_settings() {
		if ( is_admin() && isset( $_GET['page'] ) && isset( $_GET['section'] ) ) {
			$page    = sanitize_key( $_GET['page'] );
			$section = sanitize_key( $_GET['section'] );
			if ( self::WOOCOMMERCE_PAGE_WC_SETTINGS === $page && self::METHOD_ID === $section ) {
				return true;
			}
		}

		return false;
	}

	/**
	 * Initialise Settings Form Fields.
	 */
	public function init_form_fields() {
		$this->form_fields   = [
			'flexible_shipping' => [
				'type' => 'flexible_shipping',
			],
		];
		$this->form_fields[] = [
			'type'    => 'title',
			'title'   => __( 'Advanced settings', 'flexible-shipping' ),
			'default' => '',
		];

		$this->form_fields = $this->logger_settings->add_fields_to_settings( $this->form_fields );
		$this->form_fields = $this->add_beacon_search_data_to_fields( $this->form_fields );
		$this->form_fields[] = [
			'type'    => 'title',
			'default' => '',
		];

	}

	/**
	 * Add beacon search data to fields.
	 *
	 * @param array $form_fields .
	 *
	 * @return array
	 */
	private function add_beacon_search_data_to_fields( array $form_fields ) {
		$modifier = new WooCommerceSettingsFieldsModifier();

		return $modifier->append_beacon_search_data_to_fields( $form_fields );
	}

	/**
	 * Generate FC connect box
	 *
	 * @param string $key  Key.
	 * @param array  $data Data.
	 *
	 * @return string
	 */
	public function generate_flexible_shipping_html( $key, $data ) {
		$metaboxes = $this->get_metaboxes();

		if ( ! $metaboxes ) {
			return '';
		}

		ob_start();
		include 'views/html-shipping-settings-info-description.php';
		$notice_content = ob_get_contents();
		ob_end_clean();

		return $notice_content;
	}

	/**
	 * @return Metabox[]
	 */
	public function get_metaboxes() {
		$metaboxes = [];

		if ( 'pl_PL' === get_user_locale() ) {
			$metaboxes[] = new WooCommerceABCPL();
			$metaboxes[] = new FSWalkthroughPL();
		} else {
			$metaboxes[] = new WooCommerceABC();
			$metaboxes[] = new FSWalkthrough();
		}

		if ( ! wpdesk_is_plugin_active( 'flexible-shipping-pro/flexible-shipping-pro.php' ) ) {
			$metaboxes[] = new FSPro();
		} else {
			$metaboxes[] = new FSIE();
		}

		$metaboxes[] = new Video();

		/**
		 * Can modify metaboxes on FS Info Page.
		 *
		 * @param Metabox[] $metaboxes Metaboxes.
		 *
		 * @since 4.1.3
		 */
		$metaboxes = apply_filters( 'flexible-shipping/page/info/metaboxes', $metaboxes );

		$metaboxes = array_filter(
			$metaboxes,
			function ( $metabox ) {
				return $metabox instanceof Metabox;
			}
		);

		return $metaboxes;
	}
}