class Statistics < Rails::Application def shameful_users User.where('balance > :amount', amount: config.shameful_balance) .order(balance: :desc) end def total_debt User.where.not(id: User.zeus).where('balance > 0').sum(:balance) end def shamehash none_shaming = shameful_users.sum(:balance) shameful_users.inject({'None-shameful users' => none_shaming}) do |h, u| h.merge({u.name => u.balance}) end end private def zeus_balance User.zeus.balance end end