gistfile1.txt

ok = false
while(!ok)
  users_list_ids = User.all.pluck(:id).shuffle 

  User.all.each_with_index do |user, index|
    user.update_attribute(:target_id, users_list_ids[index])
  end


  ania_ok = User.find_by(name: 'Ania').target.name != 'Damian'
  damian_ok = User.find_by(name: 'Damian').target.name != 'Ania'
  asia_ok = User.find_by(name: 'Asia').target.name != 'Mateusz'
  mateusz_ok = User.find_by(name: 'Mateusz').target.name != 'Asia'

  if ania_ok && damian_ok && mateusz_ok && asia_ok
   ok = true
  else
    p "Jeszcze raz"
  end
end