43 lines
1.1 KiB
Ruby
43 lines
1.1 KiB
Ruby
# == Schema Information
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#
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# Table name: transactions
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#
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# id :integer not null, primary key
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# debtor_id :integer not null
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# creditor_id :integer not null
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# issuer_id :integer not null
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# issuer_type :string not null
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# amount :integer default(0), not null
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# message :string
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# created_at :datetime not null
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# updated_at :datetime not null
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# id_at_client :integer
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#
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class Transaction < ActiveRecord::Base
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include BaseTransaction
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include TransactionHelpers
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after_save :recalculate_balances!
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after_destroy :recalculate_balances!
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validates :id_at_client, presence: true, uniqueness: { scope: :issuer_id }, if: :is_client_transaction?
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def signed_amount_for(user)
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return -amount if user == debtor
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return amount if user == creditor
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end
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def reverse
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self.creditor, self.debtor = self.debtor, self.creditor
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self.amount *= -1
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end
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private
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def recalculate_balances!
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creditor.calculate_balance!
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debtor.calculate_balance!
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end
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end
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