Module: Insika::Allowlist

Defined in:
lib/insika/allowlist.rb

Overview

Profile allowlist semantics, defined once: nil = all; [] = none; [names] = subset. It used to be copied in the Builder, the SkillCatalog and the policies — the rule must live in a single place.

Class Method Summary collapse

Class Method Details

.allows?(allow, value) ⇒ Boolean

Per-item boolean variant (to compose with other filters in a select).

Returns:

  • (Boolean) 


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# File 'lib/insika/allowlist.rb', line 21

def allows?(allow, value)
  return true if allow.nil?
  return false if allow.empty?

  Array(allow).map(&:to_s).include?(value.to_s)
end

.filter(candidates, allow, &key) ⇒ Object

Filters a collection by the allowlist, comparing key.call(candidate) (or the candidate itself) against the allowed names.



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# File 'lib/insika/allowlist.rb', line 12

def filter(candidates, allow, &key)
  return candidates if allow.nil?
  return [] if allow.empty?

  names = Array(allow).map(&:to_s)
  candidates.select { |c| names.include?((key ? key.call(c) : c).to_s) }
end