module SubjectsHelper

  # 实训路径的发布状态
  def publish_status subject, is_manager, user
    status = -1
    if is_manager
      status = 0 if subject.status == 0 && subject.shixuns_count > 0
      status = 1 if subject.status == 1
      status = 2 if subject.status == 2 && user.admin?
    end
    status
  end

  # 实训路径的所有用户获得的标签
  def user_shixun_tags challenge_ids, user_id
    ChallengeTag.joins(challenge: [:games]).where(games: {status: 2, user_id: user_id}, challenges: {id:challenge_ids}).pluck("challenge_tags.name").uniq
  end
end