educoder/app/views/courses/act_score.json.jbuilder

json.course_members @course_members.each do |member|
  user = User.find_by(id: member[:user_id])
  json.user_login user&.login
  json.user_name user&.real_name
  # json.course_group member.course_group_name
  json.total_score member[:score]
end