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Edit File: class-wc-admin-importers.php

<?php //phpcs:ignore Generic.PHP.RequireStrictTypes.MissingDeclaration
/**
 * Init WooCommerce data importers.
 *
 * @package WooCommerce\Admin
 */

use Automattic\Jetpack\Constants;
use Automattic\WooCommerce\Internal\Integrations\WPPostsImporter;

defined( 'ABSPATH' ) || exit;

/**
 * WC_Admin_Importers Class.
 */
class WC_Admin_Importers {

/**
	 * Array of importer IDs.
	 *
	 * @var string[]
	 */
	protected $importers = array();

/**
	 * Constructor.
	 */
	public function __construct() {
		if ( ! $this->import_allowed() ) {
			return;
		}

add_action( 'admin_menu', array( $this, 'add_to_menus' ) );
		add_action( 'admin_init', array( $this, 'register_importers' ) );
		add_action( 'admin_head', array( $this, 'hide_from_menus' ) );
		add_action( 'admin_head', array( $this, 'menu_highlight_for_product_import' ) );
		add_action( 'admin_enqueue_scripts', array( $this, 'admin_scripts' ) );
		add_action( 'wp_ajax_woocommerce_do_ajax_product_import', array( $this, 'do_ajax_product_import' ) );
		add_action( 'in_admin_footer', array( $this, 'track_importer_exporter_view' ) );

/**
		 * Register the WP Posts importer.
		 */
		$wp_posts_importer = wc_get_container()->get( WPPostsImporter::class );
		$wp_posts_importer->register();

// Register WooCommerce importers.
		$this->importers['product_importer'] = array(
			'menu'       => 'edit.php?post_type=product',
			'name'       => __( 'Product Import', 'woocommerce' ),
			'capability' => 'import',
			'callback'   => array( $this, 'product_importer' ),
		);
	}

/**
	 * Return true if WooCommerce imports are allowed for current user, false otherwise.
	 *
	 * @return bool Whether current user can perform imports.
	 */
	protected function import_allowed() {
		return current_user_can( 'edit_products' ) && current_user_can( 'import' );
	}

/**
	 * Add menu items for our custom importers.
	 */
	public function add_to_menus() {
		foreach ( $this->importers as $id => $importer ) {
			add_submenu_page( $importer['menu'], $importer['name'], $importer['name'], $importer['capability'], $id, $importer['callback'] );
		}
	}

/**
	 * Hide menu items from view so the pages exist, but the menu items do not.
	 */
	public function hide_from_menus() {
		global $submenu;

foreach ( $this->importers as $id => $importer ) {
			if ( isset( $submenu[ $importer['menu'] ] ) ) {
				foreach ( $submenu[ $importer['menu'] ] as $key => $menu ) {
					if ( $id === $menu[2] ) {
						unset( $submenu[ $importer['menu'] ][ $key ] );
					}
				}
			}
		}
	}

/**
	 * Highlight Products > All Products submenu for Product Importer.
	 */
	public function menu_highlight_for_product_import() {
		global $submenu_file;

$screen = get_current_screen();

if ( $screen && 'product_page_product_importer' === $screen->id ) {
			$submenu_file = 'edit.php?post_type=product'; // phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
		}
	}

/**
	 * Register importer scripts.
	 */
	public function admin_scripts() {
		$suffix  = Constants::is_true( 'SCRIPT_DEBUG' ) ? '' : '.min';
		$version = Constants::get_constant( 'WC_VERSION' );
		wp_register_script( 'wc-product-import', WC()->plugin_url() . '/assets/js/admin/wc-product-import' . $suffix . '.js', array( 'jquery' ), $version, true );
	}

/**
	 * The product importer.
	 *
	 * This has a custom screen - the Tools > Import item is a placeholder.
	 * If we're on that screen, redirect to the custom one.
	 */
	public function product_importer() {
		if ( Constants::is_defined( 'WP_LOAD_IMPORTERS' ) ) {
			wp_safe_redirect( admin_url( 'edit.php?post_type=product&page=product_importer&source=wordpress-importer' ) );
			exit;
		}

// phpcs:ignore
		if ( isset( $_GET['source'] ) && 'wordpress-importer' === sanitize_text_field( wp_unslash( $_GET['source'] ) ) ) {
			wc_admin_record_tracks_event( 'product_importer_view_from_wp_importer' );
		}

include_once WC_ABSPATH . 'includes/import/class-wc-product-csv-importer.php';
		include_once WC_ABSPATH . 'includes/admin/importers/class-wc-product-csv-importer-controller.php';

$importer = new WC_Product_CSV_Importer_Controller();
		$importer->dispatch();
	}

/**
	 * Register WordPress based importers.
	 */
	public function register_importers() {
		if ( Constants::is_defined( 'WP_LOAD_IMPORTERS' ) ) {
			register_importer( 'woocommerce_product_csv', __( 'WooCommerce products (CSV)', 'woocommerce' ), __( 'Import <strong>products</strong> to your store via a csv file.', 'woocommerce' ), array( $this, 'product_importer' ) );
			register_importer( 'woocommerce_tax_rate_csv', __( 'WooCommerce tax rates (CSV)', 'woocommerce' ), __( 'Import <strong>tax rates</strong> to your store via a csv file.', 'woocommerce' ), array( $this, 'tax_rates_importer' ) );
		}
	}

/**
	 * The tax rate importer which extends WP_Importer.
	 */
	public function tax_rates_importer() {
		require_once ABSPATH . 'wp-admin/includes/import.php';

if ( ! class_exists( 'WP_Importer' ) ) {
			$class_wp_importer = ABSPATH . 'wp-admin/includes/class-wp-importer.php';

if ( file_exists( $class_wp_importer ) ) {
				require $class_wp_importer;
			}
		}

wc_admin_record_tracks_event( 'tax_rates_importer_view_from_wp_importer' );

require __DIR__ . '/importers/class-wc-tax-rate-importer.php';

$importer = new WC_Tax_Rate_Importer();
		$importer->dispatch();
	}

/**
	 * When running the WP XML importer, ensure attributes exist.
	 *
	 * WordPress import should work - however, it fails to import custom product attribute taxonomies.
	 * This code grabs the file before it is imported and ensures the taxonomies are created.
	 */
	public function post_importer_compatibility() {
		wc_deprecated_function( 'post_importer_compatibility', '10.1.0', 'A new integration with the WP WXR importer now filters the posts during import and registers the taxonomies, instead of initializing them at the start of the import and having to re-parse the file.' );

// phpcs:ignore WordPress.Security.NonceVerification.Missing
		if ( empty( $_POST['import_id'] ) || ! class_exists( 'WXR_Parser' ) ) {
			return;
		}

// phpcs:ignore WordPress.Security.NonceVerification.Missing
		$id          = absint( $_POST['import_id'] );
		$file        = get_attached_file( $id );
		$parser      = new WXR_Parser();
		$import_data = $parser->parse( $file );

if ( isset( $import_data['posts'] ) && ! empty( $import_data['posts'] ) ) {
			foreach ( $import_data['posts'] as $post ) {
				if ( 'product' === $post['post_type'] && ! empty( $post['terms'] ) ) {
					foreach ( $post['terms'] as $term ) {
						if ( strstr( $term['domain'], 'pa_' ) ) {
							if ( ! taxonomy_exists( $term['domain'] ) ) {
								$attribute_name = wc_attribute_taxonomy_slug( $term['domain'] );

// Create the taxonomy.
								if ( ! in_array( $attribute_name, wc_get_attribute_taxonomies(), true ) ) {
									wc_create_attribute(
										array(
											'name'         => $attribute_name,
											'slug'         => $attribute_name,
											'type'         => 'select',
											'order_by'     => 'menu_order',
											'has_archives' => false,
										)
									);
								}

// Register the taxonomy now so that the import works!
								register_taxonomy(
									$term['domain'],
									// phpcs:ignore
									apply_filters( 'woocommerce_taxonomy_objects_' . $term['domain'], array( 'product' ) ),
									// phpcs:ignore
									apply_filters(
										'woocommerce_taxonomy_args_' . $term['domain'],
										array(
											'hierarchical' => true,
											'show_ui'      => false,
											'query_var'    => true,
											'rewrite'      => false,
										)
									)
								);
							}
						}
					}
				}
			}
		}
	}

/**
	 * Ajax callback for importing one batch of products from a CSV.
	 */
	public function do_ajax_product_import() {
		if ( ! $this->import_allowed() ) {
			wp_send_json_error( array( 'message' => __( 'Insufficient privileges to import products.', 'woocommerce' ) ) );
		}

include_once WC_ABSPATH . 'includes/admin/importers/class-wc-product-csv-importer-controller.php';
		WC_Product_CSV_Importer_Controller::dispatch_ajax();
	}

/**
	 * Track importer/exporter view.
	 *
	 * @return void
	 */
	public function track_importer_exporter_view() {
		$screen = get_current_screen();

if ( ! isset( $screen->id ) ) {
			return;
		}

// Don't track if we're in a specific import screen.
		// phpcs:ignore
		if ( isset( $_GET['import'] ) ) {
			return;
		}

if ( 'import' === $screen->id || 'export' === $screen->id ) {
			wc_admin_record_tracks_event( 'wordpress_' . $screen->id . '_view' );
		}
	}
}

new WC_Admin_Importers();

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