test.ruby

def disciplines_by_school_id(school_id)
    curricular_panel_stages = stages.collect(&:curricular_panel_stages).flatten.compact

    unless curricular_panel_stages.empty?
      curricular_panel_disciplines = curricular_panel_stages.collect(&:curricular_panel_disciplines)flatten.compact

      unless curricular_panel_disciplines.empty?
        curricular_panel_disciplines.collect(&:discipline).uniq
      end
    end
  end