fairmondo/fairmondo

#   Copyright (c) 2012-2017, Fairmondo eG.  This file is
#   licensed under the GNU Affero General Public License version 3 or later.
#   See the COPYRIGHT file for details.

module BusinessTransactionConcerns
  module Refundable
    extend ActiveSupport::Concern

    included do
      has_one :refund, inverse_of: :business_transaction

      # fields of refund model, that should be available through transaction
      delegate :description, :reason, to: :refund, prefix: true
    end

    # Methods
    #
    # checks if user has requested refund for this transaction
    def requested_refund?
      Refund.where(business_transaction_id: self.id).any?
    end

    def refundable?
      (self.seller.can_refund? self) && (!self.requested_refund?)
    end
  end
end