Handle membership promotion with BSO
What does this MR do and why?
This MR adds a helper module that encapsulates the Block Seat Enabled logic(feature enabled method and seat_available? method) for Gitlab.com(already existing) and SelfManaged Instance(added as part of this MR).
References
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MR acceptance checklist
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Screenshots or screen recordings
The new functionality adds BSO capability for Self managed instances. Please see the demo here for details.
How to set up and validate locally
Numbered steps to set up and validate the change are strongly suggested.