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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, :store
attr_accessor :error, :success
def initialize(order, line_item = nil)
@order = order
@line_item = line_item
@store = order.store
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)
else
promotion.deactivate(line_item: line_item, order: order)
end
end
end
private
def promotions
promotion_scope.find_by_sql("#{order.promotions.active.to_sql} UNION #{promotion_scope.active.where(code: nil, path: nil).to_sql}")
end
def promotion_scope
::Spree::Promotion.for_store(store)
end
end
end
end
Version data entries
33 entries across 33 versions & 1 rubygems