educoder/app/models/shixun.rb

# status 控制实训的状态，0：未开启；1: 已开启（TPM）; 2：已认证
# 实训云平台繁忙（繁忙等级：116）
# 繁忙等级参数：80发布实训失败，返回code为-1；81：实训开启的时候fork失败;83：job创建失败；84：jenkins系统异常，post数据不成功
# 85：challenge创建的时候Jenkins处理异常;86：实训评测失败，jenkins返回错误结果; 87：版本库删除异常；88：点击评测失败；89：重置失败
class Shixun < ActiveRecord::Base
  attr_accessible :description, :is_public, :name, :changeset_num, :status, :user_id, :gpid, :language, :identifier, :authentication, :myshixun_count, :propaedeutics

  has_many :users, :through => :shixun_members
  has_many :shixun_members, :dependent => :destroy
  has_one :repository
  has_many :challenges, :dependent => :destroy, :order => "challenges.id ASC"
  has_many :myshixuns
  has_and_belongs_to_many :homework_commons

  # id 转换成 identifier
  def to_param
    identifier
  end

  def owner
    User.find(self.user_id)
  rescue ActiveRecord::RecordNotFound
    render_404
  end

  def collaborators
    self.shixun_members.select{|member| member.role == 2} unless self.shixun_members.blank?
  end
end