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Contents
module Spree
class Promotion
module Actions
class FreeShipping < Spree::PromotionAction
def perform(payload = {})
order = payload[:order]
promotion_code = payload[:promotion_code]
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,
promotion_code: promotion_code,
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
# Removes any adjustments generated by this action from the order's
# shipments.
# @param order [Spree::Order] the order to remove the action from.
# @return [void]
def remove_from(order)
order.shipments.each do |shipment|
shipment.adjustments.each do |adjustment|
if adjustment.source == self
shipment.adjustments.destroy(adjustment)
end
end
end
end
private
def promotion_credit_exists?(shipment)
shipment.adjustments.where(source: self).exists?
end
end
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems