Expression engine: Get completeness/group completness status

Who would benefit?

Any user of Enrich using the Expression Engine

What impact would it make?

Simplify the solution, better performance and no extension

How should it work?

Expression to get COMPLETENESSGROUP

Expression to get COMPLETENESSCRITERIA

Expression to get COMPLETENESSGROUPSTATUS

Expression to get COMPLETENESSRULESTATUS
(Status = Complete or Incomplete)

Or used as IF or IFS statements.

Why is it needed?

No need for custom extension