Automattic\WooCommerce\StoreApi\Utilities

ProductQueryFilters::get_rating_counts()publicWC 1.0

Get rating counts for the current products.

Method of the class: ProductQueryFilters{}

No Hooks.

Return

Array. rating=>count pairs.

Usage

$ProductQueryFilters = new ProductQueryFilters();
$ProductQueryFilters->get_rating_counts( $request );
$request(\WP_REST_Request) (required)
The request object.

ProductQueryFilters::get_rating_counts() code WC 8.6.1

public function get_rating_counts( $request ) {
	global $wpdb;

	// Regenerate the products query without rating request params.
	unset( $request['rating'] );

	// Grab the request from the WP Query object, and remove SQL_CALC_FOUND_ROWS and Limits so we get a list of all products.
	$product_query = new ProductQuery();

	add_filter( 'posts_clauses', array( $product_query, 'add_query_clauses' ), 10, 2 );
	add_filter( 'posts_pre_query', '__return_empty_array' );

	$query_args                   = $product_query->prepare_objects_query( $request );
	$query_args['no_found_rows']  = true;
	$query_args['posts_per_page'] = -1;
	$query                        = new \WP_Query();
	$result                       = $query->query( $query_args );
	$product_query_sql            = $query->request;

	remove_filter( 'posts_clauses', array( $product_query, 'add_query_clauses' ), 10 );
	remove_filter( 'posts_pre_query', '__return_empty_array' );

	$rating_count_sql = "
		SELECT COUNT( DISTINCT product_id ) as product_count, ROUND( average_rating, 0 ) as rounded_average_rating
		FROM {$wpdb->wc_product_meta_lookup}
		WHERE product_id IN ( {$product_query_sql} )
		AND average_rating > 0
		GROUP BY rounded_average_rating
		ORDER BY rounded_average_rating ASC
	";

	$results = $wpdb->get_results( $rating_count_sql ); // phpcs:ignore

	return array_map( 'absint', wp_list_pluck( $results, 'product_count', 'rounded_average_rating' ) );
}