module Spotlight
  ##
  # Spotlight configuration methods
  module Config
    extend ActiveSupport::Concern

    def exhibit_specific_blacklight_config
      @exhibit_specific_blacklight_config ||=
        if current_exhibit
          current_exhibit.blacklight_config
        elsif params[:exhibit_id]
          fail "Exhibit id exists (#{params[:exhibit_id]}), but @exhibit hasn't been loaded yet"
        else
          # Not in an exhibit context. (So why are we calling a method called exhibit_specific_blacklight_config?)
          fail 'Exhibit not found'
        end
    end
  end
end