38 lines
855 B
Ruby
38 lines
855 B
Ruby
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class Statistics < Rails::Application
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def shameful_users
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User.where('balance > :amount', amount: config.shameful_balance)
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.order(balance: :desc)
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end
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def total_debt
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User.where.not(id: User.zeus).where('balance > 0').sum(:balance)
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end
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def shamehash
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none_shaming = shameful_users.sum(:balance)
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shameful_users.inject({'None-shameful users' => none_shaming}) do |h, u|
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h.merge({u.name => u.balance})
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end
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end
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def by_issuer
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Transaction.group(:issuer_id).count.inject(Hash.new) do |hash, (id, count)|
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hash.merge({User.find(id).name => count})
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end
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end
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def amount_distribution
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Transaction.group("round(amount / 10)").count.inject(Hash.new) do |hash, (group, count)|
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hash.merge({10 * group.to_i => count})
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end
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end
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private
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def zeus_balance
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User.zeus.balance
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end
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end
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