sqm-dashboards/app/presenters/subcategory_card_presenter.rb

class SubcategoryCardPresenter 

  def initialize(scale:, score:)
    @scale = scale
    @score = score
  end

  def abbreviation
    abbreviations = { approval: "A", ideal: "I", growth: "G", watch: "Wa", warning: "Wr", no_zone: "N" }
    abbreviations[zone.type]
  end

  def color
    "bg-#{zone.type}"
  end

  private

  def zone
    @scale.zone_for_score(@score)
  end
end