socialforge/app/helpers/contests_helper.rb

module ContestsHelper

  # 判断当前用户是否为竞赛管理员
  def is_contest_manager?(user_id, contest_id)
    @result = false
    mem = ContestMember.where("user_id = ? and contest_id = ?",user_id, contest_id)
    unless mem.blank?
      @result = mem.first.roles.to_s.include?("ContestManager") ? true : false
    end
    return @result
  end

  # 获取竞赛的管理人员
  def contest_managers contest
    contest.contest_members.select{|cm| cm.roles.to_s.include?("ContestManager")}
  end

  # 获取竞赛的评委人员
  def contest_judges contest
    contest.contest_members.select{|cm| cm.roles.to_s.include?("Judge")}
  end

  # 获取竞赛的参赛人员
  def contest_contestants contest
    contest.contest_members.select{|cm| cm.roles.to_s.include?("Contestant")}
  end
end