educoder/lib/tasks/check_reponame.rake

namespace :myshixun do
  task check_reponame: :environment do
    # 如果是选择题的则跳过，否则reponame 为空的则为异常
    myshixuns = Myshixun.where("repo_name is null and created_at > '2019-07-20 00:00:00'")
    myshixuns.each do |myshixun|
      shixun = myshixun.shixun
      challenges = shixun.challenges
      # 不是纯选择题的情况
      if challenges.count != challenges.select{|challenge| challenge.st == 0}
        puts myshixun.games.first.try(:identifier)
      end
    end
  end
end