I have several named scopes in my app. Some patterns are
used commonly. For example:
Article.published_in(publication).published.viewable_by(current_user).included_in_index
Since this pattern is repeated, I'd like to be able to have a
named_scope that embeds this pattern.
I've tried defining a named_scope in terms of several changed
named_scopes but that doesn't work.
Is there a way to do this? Something like:
named_scope :permitted, :lambda {|user, publication|
published_in(publication).published.viewable_by(user).included_in_index }
I supposed a class method would be the natural alternative, but am
curious if there is indeed a way
to compose named_scopes.
Cheers, --Kip
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