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Contents
module Spree
module PromotionHandler
# Decides which promotion should be activated given the current order context
#
# By activated it doesn't necessarily mean that the order will have a
# discount for every activated promotion. It means that the discount will be
# created and might eventually become eligible. The intention here is to
# reduce overhead. e.g. a promotion that requires item A to be eligible
# shouldn't be eligible unless item A is added to the order.
#
# It can be used as a wrapper for custom handlers as well. Different
# applications might have completely different requirements to make
# the promotions system accurate and performant. Here they can plug custom
# handler to activate promos as they wish once an item is added to cart
class Cart
attr_reader :line_item, :order
attr_accessor :error, :success
def initialize(order, line_item=nil)
@order, @line_item = order, line_item
end
def activate
promotions.each do |promotion|
if (line_item && promotion.eligible?(line_item)) || promotion.eligible?(order)
promotion.activate(line_item: line_item, order: order)
end
end
end
private
def promotions
Promotion.active.includes(:promotion_rules).where(:code => nil, :path => nil)
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems