Class: Caboose::Discount
- Inherits:
-
ActiveRecord::Base
- Object
- ActiveRecord::Base
- Caboose::Discount
- Defined in:
- app/models/caboose/discount.rb
Instance Method Summary collapse
Instance Method Details
#calculate_amount ⇒ Object
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# File 'app/models/caboose/discount.rb', line 17 def calculate_amount gc = self.gift_card self.amount = case self.gift_card.card_type when GiftCard::CARD_TYPE_AMOUNT then (self.invoice.total >= gc.balance ? gc.balance : self.invoice.total) when GiftCard::CARD_TYPE_PERCENTAGE then self.invoice.subtotal * gc.total when GiftCard::CARD_TYPE_NO_SHIPPING then self.invoice.shipping when GiftCard::CARD_TYPE_NO_TAX then self.invoice.tax end self.save end |