public function do_ajax_product_export() {
		check_ajax_referer( 'wc-product-export', 'security' );

		if ( ! $this->export_allowed() ) {
			wp_send_json_error( array( 'message' => __( 'Insufficient privileges to export products.', 'woocommerce' ) ) );
		}

		include_once WC_ABSPATH . 'includes/export/class-wc-product-csv-exporter.php';

		$step     = isset( $_POST['step'] ) ? absint( $_POST['step'] ) : 1; // WPCS: input var ok, sanitization ok.
		$exporter = new WC_Product_CSV_Exporter();

		if ( ! empty( $_POST['columns'] ) ) { // WPCS: input var ok.
			$exporter->set_column_names( wp_unslash( $_POST['columns'] ) ); // WPCS: input var ok, sanitization ok.
		}

		if ( ! empty( $_POST['selected_columns'] ) ) { // WPCS: input var ok.
			$exporter->set_columns_to_export( wp_unslash( $_POST['selected_columns'] ) ); // WPCS: input var ok, sanitization ok.
		}

		if ( ! empty( $_POST['export_meta'] ) ) { // WPCS: input var ok.
			$exporter->enable_meta_export( true );
		}

		if ( ! empty( $_POST['export_types'] ) ) { // WPCS: input var ok.
			$exporter->set_product_types_to_export( wp_unslash( $_POST['export_types'] ) ); // WPCS: input var ok, sanitization ok.
		}

		if ( ! empty( $_POST['export_category'] ) && is_array( $_POST['export_category'] ) ) {// WPCS: input var ok.
			$exporter->set_product_category_to_export( wp_unslash( array_values( $_POST['export_category'] ) ) ); // WPCS: input var ok, sanitization ok.
		}

		if ( ! empty( $_POST['filename'] ) ) { // WPCS: input var ok.
			$exporter->set_filename( wp_unslash( $_POST['filename'] ) ); // WPCS: input var ok, sanitization ok.
		}

		$exporter->set_page( $step );
		$exporter->generate_file();

		$query_args = apply_filters(
			'woocommerce_export_get_ajax_query_args',
			array(
				'nonce'    => wp_create_nonce( 'product-csv' ),
				'action'   => 'download_product_csv',
				'filename' => $exporter->get_filename(),
			)
		);

		if ( 100 === $exporter->get_percent_complete() ) {
			wp_send_json_success(
				array(
					'step'       => 'done',
					'percentage' => 100,
					'url'        => add_query_arg( $query_args, admin_url( 'edit.php?post_type=product&page=product_exporter' ) ),
				)
			);
		} else {
			wp_send_json_success(
				array(
					'step'       => ++$step,
					'percentage' => $exporter->get_percent_complete(),
					'columns'    => $exporter->get_column_names(),
				)
			);
		}
	}