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Contents
module Spree
class Promotion
module Actions
class FreeShipping < Spree::PromotionAction
def perform(payload={})
order = payload[:order]
results = order.shipments.map do |shipment|
return false if promotion_credit_exists?(shipment)
shipment.adjustments.create!(
order: shipment.order,
amount: compute_amount(shipment),
source: self,
label: label,
)
true
end
# Did we actually end up applying any adjustments?
# If so, then this action should be classed as 'successful'
results.any? { |r| r == true }
end
def label
"#{Spree.t(:promotion)} (#{promotion.name})"
end
def compute_amount(shipment)
shipment.cost * -1
end
private
def promotion_credit_exists?(shipment)
shipment.adjustments.where(:source_id => self.id).exists?
end
end
end
end
end
Version data entries
42 entries across 42 versions & 1 rubygems