Method: Returns comma separated ids of excluded users, based on query arguments from the user.

Method: Returns order status subquery to be used in WHERE SQL query, based on query arguments from the user.

Method: Add order status SQL clauses if included in query.

Method: Add order by SQL clause if included in query.

Method: Returns an array of products belonging to given categories.

Method: Get WHERE filter by object ids subquery.

Method: Returns an array of ids of allowed products, based on query arguments from the user.

Method: Returns comma separated ids of allowed products, based on query arguments from the user.

Method: Returns comma separated ids of allowed variations, based on query arguments from the user.

Method: Returns comma separated ids of excluded products, based on query arguments from the user.