Sha256: 357d77c78633b9fc0e63ee281578fe42d834fbd8c8a6b61e6f9936485be3f2d9
Contents?: true
Size: 918 Bytes
Versions: 43
Compression:
Stored size: 918 Bytes
Contents
# frozen_string_literal: true
module Spree
class PromotionChooser
def initialize(adjustments)
@adjustments = adjustments
end
# Picks the best promotion from this set of adjustments, all others are
# marked as ineligible.
#
# @return [BigDecimal] The amount of the best adjustment
def update
if best_promotion_adjustment
@adjustments.select(&:eligible?).each do |adjustment|
next if adjustment == best_promotion_adjustment
adjustment.update_columns(eligible: false, updated_at: Time.current)
end
best_promotion_adjustment.amount
else
BigDecimal('0')
end
end
private
# @return The best promotion from this set of adjustments.
def best_promotion_adjustment
@best_promotion_adjustment ||= @adjustments.select(&:eligible?).min_by do |a|
[a.amount, -a.id]
end
end
end
end
Version data entries
43 entries across 43 versions & 2 rubygems