Complex relationships

Currently, I have 3 models
User
Group
Permission

Users and Groups have a HABTM relationship and Groups and Permissions
have a HABTM relationship.

For purposes of authorization, I need to know if a user belongs to a
particular group that has a particlar permission to determine if they
can perform an operation.

What’s the best way to go about this?

On Tue, Apr 28, 2009 at 10:10 AM, DVG [email protected] wrote:

particular group that has a particlar permission to determine if they
can perform an operation.

Have the user ask its groups if any of them have the permission in
question:

target_permission = Permission.find(…)
user.groups.any? do |group|
group.permissions.include?(target_permission)}
end

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