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module DeclarativePolicy
module Cache
class << self
def user_key(user)
return '<anonymous>' if user.nil?
id_for(user)
end
def policy_key(user, subject)
u = user_key(user)
s = subject_key(subject)
"/dp/policy/#{u}/#{s}"
end
def subject_key(subject)
return '<nil>' if subject.nil?
return subject.inspect if subject.is_a?(Symbol)
"#{subject.class.name}:#{id_for(subject)}"
end
private
def id_for(obj)
if obj.respond_to?(:id) && obj.id
obj.id.to_s
else
"##{obj.object_id}"
end
end
end
end
end
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