#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' 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