public static function link_all_variations() {
		check_ajax_referer( 'link-variations', 'security' );

		if ( ! current_user_can( 'edit_products' ) ) {
			wp_die( -1 );
		}

		wc_maybe_define_constant( 'WC_MAX_LINKED_VARIATIONS', 50 );
		wc_set_time_limit( 0 );

		$post_id = isset( $_POST['post_id'] ) ? intval( $_POST['post_id'] ) : 0;

		if ( ! $post_id ) {
			wp_die();
		}

		$product    = wc_get_product( $post_id );
		$data_store = $product->get_data_store();

		if ( ! is_callable( array( $data_store, 'create_all_product_variations' ) ) ) {
			wp_die();
		}

		echo esc_html( $data_store->create_all_product_variations( $product, Constants::get_constant( 'WC_MAX_LINKED_VARIATIONS' ) ) );

		$data_store->sort_all_product_variations( $product->get_id() );
		wp_die();
	}