Module: HeadMusic::Style::Guides::Assessment

Defined in:
lib/head_music/style/guides/assessment.rb

Overview

The assess loop, shared by a guide class and a configured guide.

Gates run first and stop the assessment when one fails: a voice that fails a precondition has not earned a bad grade on the rest, and stopping is what keeps the harmony guidelines from reaching for a companion that is not there.

Constant Summary collapse

RUBRIC_TIERS = 
%i[primary secondary].freeze

Class Method Summary collapse

Class Method Details

.assess_items(voice, items_by_tier) ⇒ Object

Every gate runs even after one fails, so a consumer sees which preconditions are unmet rather than only the first.



14
15
16
17
18
19
20
21
 
# File 'lib/head_music/style/guides/assessment.rb', line 14

def self.assess_items(voice, items_by_tier)
  gates = items_by_tier[:gate].map { |item| item.assess(voice, :gate) }
  return gates unless gates.all?(&:adherent?)

  gates + RUBRIC_TIERS.flat_map do |tier|
    items_by_tier[tier].map { |item| item.assess(voice, tier) }
  end
end