public function get_catalog_ordering_args( $orderby = '', $order = '' ) {
		// Get ordering from query string unless defined.
		if ( ! $orderby ) {
			$orderby_value = isset( $_GET['orderby'] ) ? wc_clean( (string) wp_unslash( $_GET['orderby'] ) ) : wc_clean( get_query_var( 'orderby' ) ); // WPCS: sanitization ok, input var ok, CSRF ok.

			if ( ! $orderby_value ) {
				if ( is_search() ) {
					$orderby_value = 'relevance';
				} else {
					$orderby_value = apply_filters( 'woocommerce_default_catalog_orderby', get_option( 'woocommerce_default_catalog_orderby', 'menu_order' ) );
				}
			}

			// Get order + orderby args from string.
			$orderby_value = is_array( $orderby_value ) ? $orderby_value : explode( '-', $orderby_value );
			$orderby       = esc_attr( $orderby_value[0] );
			$order         = ! empty( $orderby_value[1] ) ? $orderby_value[1] : $order;
		}

		// Convert to correct format.
		$orderby = strtolower( is_array( $orderby ) ? (string) current( $orderby ) : (string) $orderby );
		$order   = strtoupper( is_array( $order ) ? (string) current( $order ) : (string) $order );
		$args    = array(
			'orderby'  => $orderby,
			'order'    => ( 'DESC' === $order ) ? 'DESC' : 'ASC',
			'meta_key' => '', // @codingStandardsIgnoreLine
		);

		switch ( $orderby ) {
			case 'id':
				$args['orderby'] = 'ID';
				break;
			case 'menu_order':
				$args['orderby'] = 'menu_order title';
				break;
			case 'title':
				$args['orderby'] = 'title';
				$args['order']   = ( 'DESC' === $order ) ? 'DESC' : 'ASC';
				break;
			case 'relevance':
				$args['orderby'] = 'relevance';
				$args['order']   = 'DESC';
				break;
			case 'rand':
				$args['orderby'] = 'rand'; // @codingStandardsIgnoreLine
				break;
			case 'date':
				$args['orderby'] = 'date ID';
				$args['order']   = ( 'ASC' === $order ) ? 'ASC' : 'DESC';
				break;
			case 'price':
				$callback = 'DESC' === $order ? 'order_by_price_desc_post_clauses' : 'order_by_price_asc_post_clauses';
				add_filter( 'posts_clauses', array( $this, $callback ) );
				break;
			case 'popularity':
				add_filter( 'posts_clauses', array( $this, 'order_by_popularity_post_clauses' ) );
				break;
			case 'rating':
				add_filter( 'posts_clauses', array( $this, 'order_by_rating_post_clauses' ) );
				break;
		}

		return apply_filters( 'woocommerce_get_catalog_ordering_args', $args, $orderby, $order );
	}