Created
November 8, 2011 13:37
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price_bucket.rb
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class Calculator::PriceBucket < Calculator | |
preference :minimal_amount, :decimal, :default => 0 | |
preference :normal_amount, :decimal, :default => 0 | |
preference :discount_amount, :decimal, :default => 0 | |
def self.description | |
I18n.t("price_bucket") | |
end | |
# as object we always get line items, as calculable we have Coupon, ShippingMethod | |
def compute(object) | |
if object.is_a?(Array) | |
base = object.map{ |o| o.respond_to?(:amount) ? o.amount : o.to_d }.sum | |
else | |
base = object.respond_to?(:amount) ? object.amount : object.to_d | |
end | |
if base >= self.preferred_minimal_amount | |
self.preferred_normal_amount | |
else | |
self.preferred_discount_amount | |
end | |
end | |
end |
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