#encoding: utf-8
class CompetitionTeam < ActiveRecord::Base
  belongs_to :user
  belongs_to :competition

  has_many :team_members, :dependent => :destroy
  has_many :members, conditions: 'team_members.is_teacher = 0', class_name: 'TeamMember'
  has_many :teachers, conditions: 'team_members.is_teacher = 1', class_name: 'TeamMember', :order => "team_members.role ASC"
  has_many :competition_scores, :dependent => :destroy
  # team_type  0：组队  1：个人
  # attr_accessible :invite_code, :name, :team_type

  def teacher
    teacher_id = self.teachers.first&.user_id
    User.where(id: teacher_id).first
  end

  def group_members
    str = ""
    self.team_members.where(:is_teacher => 0).joins("join users on team_members.user_id = users.id").order("CONVERT(lastname USING gbk) COLLATE gbk_chinese_ci asc").each do |member|
      str = str == "" ? member.user.show_real_name : (str + "、" + member.user.show_real_name)
    end
    str
  end
end