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Contents
module Workarea
module Pricing
class Discount
# This class allows discounts to any products categorized
# in one or many categories.
#
class Category < Discount
include FlatOrPercentOff
include Conditions::OrderTotal
include Conditions::PromoCodes
include Conditions::ItemQuantity
include Conditions::UserTags
# @!attribute category_ids
# @return [Integer] the ids for the {Catalog::Category}
#
field :category_ids, type: Array, default: []
list_field :category_ids
validates :category_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'
# Whether the order item qualifies based on category
# and quantity requirements
#
# @param [Workarea::Order::Item] item
# @return [Boolean]
#
def item_qualifies?(item)
super && item.matches_categories?(category_ids)
end
# Create the item price adjustments for items that qualify
# match the #category_ids.
#
# @param [Pricing::Discount::Order] 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
end
end
end
end
end
Version data entries
62 entries across 62 versions & 1 rubygems