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Contents
module Workarea
module Pricing
class Discount
class Product < Discount
# This discount allows discounting individual products.
#
include FlatOrPercentOff
include Conditions::OrderTotal
include Conditions::PromoCodes
include Conditions::ItemQuantity
include Conditions::UserTags
# @!attribute product_ids
# @return [Array] discount applies to these {Catalog::Product} ids
#
field :product_ids, type: Array, default: []
list_field :product_ids
validates :product_ids, presence: true
# @private
def self.model_name
Discount.model_name
end
# Price changes apply at the item level
#
# @return [String]
#
self.price_level = 'item'
# Qualifier method to check whether any items in this order
# qualify for this discount.
#
# @param [Workarea::Order::Item]
# @return [Boolean]
#
def item_qualifies?(item)
super && item.product_id.in?(product_ids)
end
# Creates the price adjustments for the discount on the matching
# items.
#
# @param [Workarea::Order]
# @return [Workarea::Order]
#
def apply(order)
order.items.each do |item|
next unless item_qualifies?(item)
value = amount_calculator.calculate(item.current_unit_price, item.quantity)
item.adjust_pricing(adjustment_data(value, item.quantity))
end
order
end
end
end
end
end
Version data entries
62 entries across 62 versions & 1 rubygems