Khaos :: KhACL

[eluser]Boyz26[/eluser]
I'm new to ACL so I'll just throw this out and see if anyone has a better suggestion (which I really look forward to).

Basically, I'm trying to make a site where users can create lists and set it to either Public, Friends or Private. I'm doing this with khacl.

So my best thought after many tries is something like this:

AXO: 'World', then 'Public, World'
ARO: 'Users', then 'Public, Users'
ACO: 'View', 'Edit'

And whenever someone registers, I would create:
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1. Two AROs. One for that user (Peter) under Public and one for his friend-group
eg. aro->create(Peter-friends, Public).

So that whenever he adds a friend, the friend's username and together with Peter's username are added under his friend group.
Eg. aro->create(Mike-Peter, Peter-friends).

I tried and found out that every ARO must be unique, so I had to connect two usernames to make a new ARO under each friend-group. So when Mike is added to another friend-group there won't be any problem.
Eg. aro->create(Mike-Jake, Jake-friends)

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2. Two AXOs for with suffix -lounge and -private under the root AXO.
Eg. Peter-lounge and Peter-private.

Then allow Peter-friends to 'View' Peter-lounge. When Peter creates a private list, I would use that list_id to create an AXO under Peter-private and then allow people under 'Public, Users' to 'View' list_id.
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And my question is: Is that the best way to do it? It seems pretty confusing to me...

Thank you!!