if previous_karma == 5 && gift_percentage(user, 5) < 60
      karma_result = 4
    elsif previous_karma == 4 && gift_percentage(user, 5) > 85
      karma_result = 5
    elsif previous_karma == 4 && gift_percentage(user, 5) == 0
      karma_result = 3
    elsif previous_karma == 3 && gift_percentage(user, 4) > 65
      karma_result = 4
    elsif user.last_request_at <= 6.days.ago
      karma_result = 1
    elsif user.last_request_at <= 3.days.ago
      karma_result = 2
    else
      karma_result = 3
    end