21 lines
417 B
Ruby
21 lines
417 B
Ruby
class Donator < ActiveRecord::Base
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has_one :particular, :as => :owner
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accepts_nested_attributes_for :particular
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validates :nuc, :presence => true, :uniqueness => true
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has_many :donator_transactions
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before_validation do
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if !self.nuc?
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if last_nuc = Donator.order("nuc DESC").first
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self.nuc = last_nuc.nuc.to_i + 1
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else
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self.nuc = 1
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end
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end
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end
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end
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